Initiall checkin of myrmidon proposal

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268292 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/.ant.properties

@@ -0,0 +1 @@
+build.compiler=jikes

proposal/myrmidon/build.bat

@@ -0,0 +1,16 @@
+@echo off
+
+echo.
+echo Ant Build System
+echo ----------------
+
+set ANT_HOME=.
+
+set CLASSPATH=
+
+%ANT_HOME%\bin\ant.bat -emacs %1 %2 %3 %4 %5 %6 %7 %8
+goto cleanup
+
+:cleanup
+set ANT_HOME=
+set CLASSPATH=

proposal/myrmidon/build.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+echo
+echo "Ant Build System"
+echo "----------------"
+
+chmod u+x $PWD/bin/antRun
+chmod u+x $PWD/bin/ant
+#export ANT_OPTS="-Djava.compiler="
+
+$PWD/bin/ant -emacs $@ | awk -f $PWD/bin/fixPath.awk

proposal/myrmidon/build.xml

@@ -0,0 +1,260 @@
+<?xml version="1.0"?>
+
+<!--
+==============================================================================
+
+ Ant build file
+
+Authors:
+ Peter Donald <donaldp@apache.org>
+
+Legal:
+  Copyright (c) 2000 The Apache Software Foundation. All Rights Reserved.
+
+==============================================================================
+-->
+
+<project default="main" basedir=".">
+
+  <!--
+    Give user a chance to override without editing this file
+    (and without typing -D each time he compiles it)
+  -->
+  <property file=".ant.properties"/>
+  <property file="${user.home}/.ant.properties"/>
+
+  <property name="name" value="ant"/>
+  <property name="Name" value="Ant"/>
+  <property name="version" value="0.01-myrmidon"/>
+  <property name="year" value="2000"/>
+
+  <!-- 
+    these are here only for those who use jikes compiler. For other 
+    developers this part makes no difference.
+  -->
+  <property name="build.compiler.emacs" value="on"/>
+  <property name="build.compiler.warnings" value="true"/>
+  <property name="build.compiler.pedantic" value="true"/>
+  <property name="build.compiler.depend" value="true"/>
+
+  <property name="debug" value="on"/>
+  <property name="optimize" value="off"/>
+  <property name="deprecation" value="on"/>
+
+  <property name="build.dir" value="build"/>
+  <property name="build.lib" value="${build.dir}/lib"/>
+  <property name="build.src" value="${build.dir}/src"/>
+  <property name="build.classes" value="${build.dir}/classes"/>
+  <property name="build.javadocs" value="${build.dir}/javadocs"/>
+  <property name="build.docs" value="${build.dir}/docs"/>
+
+  <property name="src.base" value="src"/>
+  <property name="manifest.dir" value="${src.base}/manifest"/>
+  <property name="xdocs.dir" value="${src.base}/xdocs"/>
+  <property name="src.dir" value="${src.base}/java"/>
+  <property name="skins.dir" value="${src.base}/skins"/>
+  <property name="script.dir" value="${src.base}/script"/>
+  <property name="lib.dir" value="lib"/>
+
+  <property name="dist.name" value="${Name}-${version}"/>
+  <!--   <property name="dist.dir" value="${dist.name}"/> -->
+  <property name="dist.dir" value="dist"/>
+  <property name="dist.bin" value="${dist.dir}/bin"/>
+  <property name="dist.blocks" value="${dist.dir}/bin/blocks"/>
+  <property name="dist.lib" value="${dist.dir}/lib"/>
+  <property name="dist.docs" value="${dist.dir}/docs"/>
+  <property name="dist.javadocs" value="${dist.dir}/docs/api"/>
+  <property name="dist.src.base" value="${dist.dir}/src"/>
+  <property name="dist.conf" value="${dist.dir}/conf"/>
+  <property name="dist.log" value="${dist.dir}/logs"/>
+
+  <property name="constants.file" value="org/apache/ant/Main.java"/>
+
+  <!--
+       ===================================================================
+                                  Main target
+       ===================================================================
+  -->
+  <target name="main" depends="dist" />
+
+  <!--
+       ===================================================================
+                                  Help on usage
+       ===================================================================
+  -->
+  <target name="usage">
+    <echo message=""/>
+    <echo message="${Name} Build file"/>
+    <echo message="-------------------------------------------------------------"/>
+    <echo message=""/>
+    <echo message=" available targets are:"/>
+    <echo message=""/>
+    <echo message="   jar        -> generates the ${Name} jar files"/>
+    <echo message="   compile    -> compiles the source code"/>
+    <echo message="   dist       -> generates the ${Name} distribution (default)"/>
+    <echo message="   clean      -> cleans up the created directories"/>
+    <echo message="   real-clean -> cleans up all genereated files and directories"/>
+<!--
+    <echo message="   test       -> perform unit tests"/>
+    <echo message="   javadocs   -> generates the API documentation (java 1.2+ only)"/>
+    <echo message="   docs       -> generates the ${Name} documentation"/> 
+-->
+    <echo message=""/>
+    <echo message="-------------------------------------------------------------"/>
+    <echo message=""/>
+  </target>
+
+  <target name="help" depends="usage"/>
+
+  <!--
+       ===================================================================
+                         Prepares the build directory
+       ===================================================================
+  -->
+  <target name="prepare">
+    <tstamp/>
+    <mkdir dir="${build.dir}"/>
+  </target>
+
+  <!--
+       ===================================================================
+                           Prepares the library code
+       ===================================================================
+   -->
+  <target name="prepare-lib" depends="prepare">
+    <mkdir dir="${build.lib}"/>
+    <copy file="${lib.dir}/xerces.jar" todir="${build.lib}"/>
+    <copy file="${lib.dir}/avalonapi.jar" todir="${build.lib}"/>
+  </target>
+
+  <!--
+       ===================================================================
+                           Prepares the source code
+       ===================================================================
+   -->
+  <target name="prepare-src" depends="prepare">
+    <mkdir dir="${build.src}"/>
+    <copy todir="${build.src}">
+      <fileset dir="${src.dir}"/>
+    </copy>
+ 
+    <replace file="${build.src}/${constants.file}" token="@@VERSION@@" value="${version}" />
+    <replace file="${build.src}/${constants.file}" token="@@DATE@@" value="${TODAY}" />
+  </target>
+ 
+  <!--
+       ===================================================================
+                        Compiles the source code
+       ===================================================================
+  -->
+  <target name="compile" depends="prepare-src,prepare-lib">
+
+    <mkdir dir="${build.classes}"/>
+    <javac srcdir="${build.src}"
+           destdir="${build.classes}"
+           debug="${debug}"
+           optimize="${optimize}"
+           deprecation="${deprecation}" />
+
+    <copy todir="${build.classes}">
+      <fileset dir="${build.src}">
+        <exclude name="**/*.properties"/>
+      </fileset>
+    </copy>
+
+    <mkdir dir="${build.classes}/TASK-LIB"/>
+    <copy file="${build.src}/org/apache/ant/tasks/core/taskdefs.properties" 
+          todir="${build.classes}/TASK-LIB"/>
+    <copy file="${build.src}/org/apache/ant/convert/core/converters.properties" 
+          todir="${build.classes}/TASK-LIB"/>
+  </target>
+
+  <!--
+       ===================================================================
+                          Creates the ant.jar file
+       ===================================================================
+  -->
+  <target name="jar-ant" depends="compile">
+    <jar jarfile="${build.lib}/ant.jar" basedir="${build.classes}">
+      <include name="org/apache/ant/**" />
+      <exclude name="org/apache/ant/tasks/**" />
+      <exclude name="org/apache/ant/convert/core/**" />
+    </jar>
+  </target>
+
+  <!--
+       ===================================================================
+                          Creates the ant.jar file
+       ===================================================================
+  -->
+  <target name="jar-core" depends="compile">
+    <jar jarfile="${build.lib}/core.tsk" basedir="${build.classes}">
+      <include name="org/apache/ant/tasks/core/**" />
+      <include name="org/apache/ant/convert/core/**" />
+      <include name="TASK-LIB/*" />
+    </jar>
+  </target>
+
+  <!--
+       ===================================================================
+                          Creates the distribution
+       ===================================================================
+  -->
+  <target name="dist" depends="jar-ant,jar-core">
+    <mkdir dir="${dist.dir}"/>
+    <mkdir dir="${dist.bin}"/>
+    <mkdir dir="${dist.lib}"/>
+
+    <copy todir="${dist.lib}">
+      <fileset dir="${build.lib}">
+        <exclude name="xalan*" />
+        <exclude name="StyleBook*" />
+      </fileset>
+    </copy>
+
+    <copy todir="${dist.bin}">
+      <fileset dir="${script.dir}"/>
+    </copy>
+
+    <chmod dir="${dist.dir}" perm="go-rwx" />
+    <chmod file="${dist.bin}/ant" perm="u+x"/>
+    <fixcrlf srcdir="${dist.bin}" cr="add" includes="**/*.bat" />
+    <fixcrlf srcdir="${dist.bin}" cr="remove" includes="**/*.sh" />
+    <fixcrlf srcdir="${dist.bin}" cr="remove" includes="ant" />
+
+  </target>
+
+  <!-- 
+       ===================================================================
+       Performs unit tests
+       =================================================================== 
+  -->
+  <target name="test" depends="jar-ant" if="test-task.present">
+    <ant antfile="build-test.xml" dir="src/make" target="test" />
+  </target>
+
+  <!--
+       ===================================================================
+                 Cleans up build and distribution directories
+       ===================================================================
+  -->
+  <target name="clean">
+    <delete dir="${build.dir}"/>
+    <delete dir="${dist.dir}"/>
+    <delete>
+      <fileset dir="." includes="**/*~" defaultexcludes="no"/>
+    </delete>
+  </target>
+
+  <!--
+       ===================================================================
+                      Cleans absolutely everything up
+       ===================================================================
+  -->
+  <target name="real-clean" depends="clean">
+    <delete file="${dist.name}.tar.gz"/>
+    <delete file="${dist.name}.zip"/>
+    <delete dir="${javadocs.dir}"/>
+  </target>
+
+</project>

proposal/myrmidon/emacs-jprj.el

@@ -0,0 +1,7 @@
+(setq jprj-base-path (message "%s/" (expand-file-name (substitute-in-file-name "."))) )
+(setq jprj-src-path (message "%ssrc/java/" jprj-base-path) )
+(setq jprj-compile-command "./build.bat")
+(setq jprj-run-command "./build.bat&");; cd dist; bin/ant.bat -f ../src/make/sample.xmk&")
+;(setq tab-expansion-size 4)
+
+(load "update-prj")

proposal/myrmidon/src/java/org/apache/ant/AntContextResources.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant;
+
+public interface AntContextResources
+{
+    // the directory of ant
+    String HOME_DIR     = "ant.install.dir"; 
+    
+    // the bin directory of ant
+    String BIN_DIR      = "ant.install.bin"; 
+
+    // the lib directory of ant
+    String LIB_DIR      = "ant.install.lib"; 
+    
+    // the tasklib directory of ant
+    String TASKLIB_DIR  = "ant.install.task-lib"; 
+
+    // the directory to look for per user ant information
+    String USER_DIR     = "ant.user.dir"; 
+    
+    // the directory to look for per project ant information
+    String PROJECT_DIR  = "ant.project.dir";
+}

proposal/myrmidon/src/java/org/apache/ant/AntException.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant;
+
+import org.apache.avalon.CascadingRuntimeException;
+
+public class AntException
+    extends CascadingRuntimeException
+{
+    public AntException( final String message )
+    {
+        this( message, null );
+    }
+
+    public AntException( final String message, final Throwable throwable )
+    {
+        super( message, throwable );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/Main.java

@@ -0,0 +1,797 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Iterator;
+import org.apache.ant.project.DefaultProjectEngine;
+import org.apache.ant.project.Project;
+import org.apache.ant.project.ProjectBuilder;
+import org.apache.ant.project.ProjectEngine;
+import org.apache.ant.project.ProjectListener;
+import org.apache.ant.tasklet.JavaVersion;
+import org.apache.ant.tasklet.TaskletContext;
+import org.apache.avalon.Disposable;
+import org.apache.avalon.Initializable;
+import org.apache.avalon.camelot.Deployer;
+import org.apache.avalon.camelot.DeploymentException;
+import org.apache.avalon.util.StringUtil;
+import org.apache.avalon.util.cli.AbstractMain;
+import org.apache.avalon.util.cli.CLOption;
+import org.apache.avalon.util.cli.CLOptionDescriptor;
+import org.apache.avalon.util.io.ExtensionFileFilter;
+import org.apache.avalon.util.io.FileUtil;
+import org.apache.log.Category;
+import org.apache.log.LogKit;
+import org.apache.log.Logger;
+import org.apache.log.Priority;
+
+/**
+ * The class to kick the tires and light the fires.
+ * Starts ant, loads ProjectBuilder, builds project then uses ProjectEngine
+ * to run project.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class Main
+    extends AbstractMain
+{
+    public final static String     BUILD_DATE                = "@@DATE@@";
+    public final static String     BUILD_VERSION             = "@@VERSION@@";
+    public final static String     VERSION                   = 
+        "Ant " + BUILD_VERSION + " compiled on " + BUILD_DATE;
+
+    protected final static String  DEFAULT_LOGLEVEL          = "INFO";
+    protected final static String  DEFAULT_LIB_DIRECTORY     = ".." + File.separator + "lib";
+    protected final static String  DEFAULT_TASKLIB_DIRECTORY = DEFAULT_LIB_DIRECTORY;
+    protected final static String  DEFAULT_FILENAME          = "build.xmk";
+    protected final static String  DEFAULT_LISTENER          = 
+        "org.apache.ant.project.DefaultProjectListener";
+
+    protected final static String  DEFAULT_BUILDER           =  
+        "org.apache.ant.project.DefaultProjectBuilder";
+
+    private static final int       HELP_OPT                  = 'h';
+    private static final int       QUIET_OPT                 = 'q';
+    private static final int       VERBOSE_OPT               = 'v';
+    private static final int       FILE_OPT                  = 'f';
+    private static final int       LOG_LEVEL_OPT             = 'l';
+    private static final int       DEFINE_OPT                = 'D';
+    private static final int       VERSION_OPT               = 1;
+    private static final int       LISTENER_OPT              = 2;
+    private static final int       BIN_DIR_OPT               = 3;
+    private static final int       LIB_DIR_OPT               = 4;
+    private static final int       TASKLIB_DIR_OPT           = 5;
+    private static final int       INCREMENTAL_OPT           = 6;
+    private static final int       HOME_DIR_OPT              = 7;
+    
+    //incompatable options for info options
+    private static final int       INFO_OPT_INCOMPAT[]       = new int[] 
+    { 
+        HELP_OPT, QUIET_OPT, VERBOSE_OPT, FILE_OPT, 
+        LOG_LEVEL_OPT, VERSION_OPT, LISTENER_OPT,
+        DEFINE_OPT
+        //BIN_DIR_OPT, LIB_DIR_OPT, TASKLIB_DIR_OPT, HOME_DIR_OPT
+    };
+    
+    //incompatable options for other logging options
+    private static final int       LOG_OPT_INCOMPAT[]        = new int[] 
+    {
+        QUIET_OPT, VERBOSE_OPT, LOG_LEVEL_OPT
+    };
+
+    protected Logger               m_logger;
+
+    protected File                 m_binDir;
+    protected File                 m_homeDir;
+    protected File                 m_libDir;
+    protected File                 m_taskLibDir;
+    protected File                 m_buildFile;
+    protected File                 m_userDir;
+
+    public static void main( final String args[] )
+    {
+        final Main main = new Main();
+
+        try { main.execute( args ); }
+        catch( final AntException ae )
+        {
+            main.m_logger.error( "Error: " + ae.getMessage() );
+            main.m_logger.debug( "Exception..." + StringUtil.printStackTrace( ae ) );
+        }
+        catch( final Throwable throwable )
+        {
+            main.m_logger.error( "Error: " + throwable );
+            main.m_logger.debug( "Exception..." + StringUtil.printStackTrace( throwable ) );
+        }
+    }
+
+    /**
+     * Initialise the options for command line parser.
+     */
+    protected CLOptionDescriptor[] createCLOptions()
+    {
+        //TODO: localise
+        final CLOptionDescriptor options[] = new CLOptionDescriptor[ 13 ];
+
+        options[0] =
+            new CLOptionDescriptor( "help",
+                                    CLOptionDescriptor.ARGUMENT_DISALLOWED,
+                                    HELP_OPT,
+                                    "display this help message",
+                                    INFO_OPT_INCOMPAT );
+        
+        options[1] =
+            new CLOptionDescriptor( "file",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    FILE_OPT,
+                                    "the build file." );
+
+        options[2] =
+            new CLOptionDescriptor( "log-level",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    LOG_LEVEL_OPT,
+                                    "the verbosity level at which to log messages. " +
+                                    "(DEBUG|INFO|WARN|ERROR|FATAL_ERROR)",
+                                    LOG_OPT_INCOMPAT );
+
+        options[3] =
+            new CLOptionDescriptor( "quiet",
+                                    CLOptionDescriptor.ARGUMENT_DISALLOWED,
+                                    QUIET_OPT,
+                                    "equivelent to --log-level=FATAL_ERROR",
+                                    LOG_OPT_INCOMPAT );
+
+        options[4] =
+            new CLOptionDescriptor( "verbose",
+                                    CLOptionDescriptor.ARGUMENT_DISALLOWED,
+                                    VERBOSE_OPT,
+                                    "equivelent to --log-level=INFO",
+                                    LOG_OPT_INCOMPAT );
+
+        options[5] =
+            new CLOptionDescriptor( "listener",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    LISTENER_OPT,
+                                    "the listener for log events." );
+
+        options[6] =
+            new CLOptionDescriptor( "version",
+                                    CLOptionDescriptor.ARGUMENT_DISALLOWED,
+                                    VERSION_OPT,
+                                    "display version",
+                                    INFO_OPT_INCOMPAT );
+
+        options[7] =
+            new CLOptionDescriptor( "bin-dir",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    BIN_DIR_OPT,
+                                    "the listener for log events." );
+
+        options[8] =
+            new CLOptionDescriptor( "lib-dir",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    LIB_DIR_OPT,
+                                    "the lib directory to scan for jars/zip files." );
+
+        options[9] =
+            new CLOptionDescriptor( "task-lib-dir",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    TASKLIB_DIR_OPT,
+                                    "the task lib directory to scan for .tsk files." );
+        options[10] =
+            new CLOptionDescriptor( "incremental",
+                                    CLOptionDescriptor.ARGUMENT_DISALLOWED,
+                                    INCREMENTAL_OPT,
+                                    "Run in incremental mode" );
+        options[11] =
+            new CLOptionDescriptor( "ant-home",
+                                    CLOptionDescriptor.ARGUMENT_REQUIRED,
+                                    HOME_DIR_OPT,
+                                    "Specify ant home directory" );
+        options[12] =
+            new CLOptionDescriptor( "define",
+                                    CLOptionDescriptor.ARGUMENTS_REQUIRED_2,
+                                    DEFINE_OPT,
+                                    "Define a variable (ie -Dfoo=var)" );
+        return options;
+    }
+
+    /**
+     * Entry point for standard ant.
+     *
+     * @param clOptions the list of command line options
+     */
+    protected void execute( final List clOptions )
+        throws Throwable
+    {
+        final int size = clOptions.size();
+        final ArrayList targets = new ArrayList();
+        String filename = null;
+        String listenerName = null;
+        String builderName = null;
+        String logLevel = null;
+        String binDir = null;
+        String homeDir = null;
+        String libDir = null;
+        String taskLibDir = null;
+        boolean incremental = false;
+        HashMap defines = new HashMap();
+
+        for( int i = 0; i < size; i++ ) 
+        {
+            final CLOption option = (CLOption)clOptions.get( i );
+                
+            switch( option.getId() )
+            {
+            case 0: targets.add( option.getArgument() ); break;
+            case HELP_OPT: usage(); return;
+            case VERSION_OPT: System.out.println( VERSION ); return;
+            case FILE_OPT: filename = option.getArgument(); break;
+            case BIN_DIR_OPT: binDir = option.getArgument(); break;
+            case LIB_DIR_OPT: libDir = option.getArgument(); break;
+            case HOME_DIR_OPT: homeDir = option.getArgument(); break;
+            case TASKLIB_DIR_OPT: taskLibDir = option.getArgument(); break;
+            case VERBOSE_OPT: logLevel = "INFO"; break;
+            case QUIET_OPT: logLevel = "ERROR"; break;
+            case LOG_LEVEL_OPT: logLevel = option.getArgument(); break; 
+            case LISTENER_OPT: listenerName = option.getArgument(); break;
+            case INCREMENTAL_OPT: incremental = true; break;
+
+            case DEFINE_OPT: 
+                defines.put( option.getArgument( 0 ), option.getArgument( 1 ) );
+                break;
+            }
+        }
+
+        if( null == logLevel ) logLevel = getDefaultLogLevel();
+        if( null == listenerName ) listenerName = getDefaultListener();
+        if( null == filename ) filename = getDefaultFilename();
+        if( null == libDir ) libDir = getDefaultLibDir();
+        if( null == taskLibDir ) taskLibDir = getDefaultTaskLibDir();
+        if( null == builderName ) builderName = getBuilderNameFor( filename );
+
+        setupLogger( logLevel ); //handle logging...
+        setupListener( listenerName ); //handle listener..
+        setupDefaultAntDirs();        
+
+        if( null == binDir && null == homeDir ) 
+        {
+            m_homeDir = getDefaultHomeDir();
+            m_binDir = m_homeDir.getParentFile();
+        }
+        else if( null == binDir ) // && null != homeDir
+        {
+            m_homeDir = getHomeDir( homeDir );
+            m_binDir = new File( m_homeDir, "bin" );
+        }
+        else
+        {
+            m_binDir = getBinDir( binDir );
+            m_homeDir = m_binDir.getParentFile();
+        }
+
+        m_libDir = getLibDir( m_homeDir, libDir );
+        m_taskLibDir = getTaskLibDir( m_homeDir, taskLibDir );
+        m_buildFile = getFile( filename );
+
+        m_logger.info( "Ant Base Directory: " + m_homeDir );
+        m_logger.info( "Ant Bin Directory: " + m_binDir );
+        m_logger.info( "Ant Build File: " + m_buildFile );
+        m_logger.debug( "Ant Lib Directory: " + m_libDir );
+        m_logger.debug( "Ant Task Lib Directory: " + m_taskLibDir );
+
+        setupContextClassLoader( m_libDir );
+
+        final Project project = getProject( builderName, m_buildFile );
+        setupProjectContext( project, defines );
+
+        final ProjectEngine engine = getProjectEngine();
+
+        //make sure Engine is sweet...
+        if( engine instanceof Initializable )
+        {
+            ((Initializable)engine).init();
+        }
+
+        deployDefaultTaskLibs( engine, m_taskLibDir );
+
+        BufferedReader reader = null;
+
+        while( true )
+        {
+            doBuild( engine, project, targets );
+
+            if( !incremental ) break;
+
+            System.out.println( "Continue ? (Enter no to stop)" );
+
+            if( null == reader )
+            {
+                reader = new BufferedReader( new InputStreamReader( System.in ) );
+            }
+
+            String line = reader.readLine();
+            
+            if( line.equalsIgnoreCase( "no" ) ) break;
+            
+        }
+        
+        if( engine instanceof Disposable )
+        {
+            ((Disposable)engine).dispose();
+        }
+    }
+
+    protected void deployDefaultTaskLibs( final ProjectEngine engine, 
+                                          final File taskLibDirectory )
+    
+    {
+        final ExtensionFileFilter filter = 
+            new ExtensionFileFilter( new String[] { ".tsk" } );
+
+        final File files[] = taskLibDirectory.listFiles( filter );
+        final Deployer deployer = engine.getDeployer();
+
+        for( int i = 0; i < files.length; i++ )
+        {
+            final String name = files[ i ].getName();
+
+            try
+            { 
+                deployer.deploy( name.substring( 0, name.length() - 4 ), 
+                                 files[ i ].toURL() );
+            }
+            catch( final MalformedURLException mue ) {}
+            catch( final DeploymentException de )
+            {
+                throw new AntException( "Failed to deploy task library " + files[ i ], 
+                                        de );
+            }
+        }
+    }
+
+    protected void doBuild( final ProjectEngine engine, 
+                            final Project project, 
+                            final ArrayList targets )
+    {
+        try
+        {
+            final int targetCount = targets.size();
+        
+            if( 0 == targetCount )
+            {
+                engine.execute( project, project.getDefaultTargetName() );
+            }
+            else
+            {
+                for( int i = 0; i < targetCount; i++ )
+                {
+                    engine.execute( project, (String)targets.get( i ) );
+                }
+            }
+        }
+        catch( final AntException ae )
+        {
+            m_logger.error( "BUILD FAILED" );
+            m_logger.error( "Reason:\n" + StringUtil.printStackTrace( ae, 5, true ) );
+        }
+    } 
+    
+    protected void setupLogger( final String logLevel )
+    {
+        m_logger = createLogger( logLevel );
+    }
+
+    protected void setupListener( final String listenerName )
+    {
+        final ProjectListener listener = createListener( listenerName );
+        m_logger.addLogTarget( listener );
+    }
+
+    protected void setupContextClassLoader( final File libDir )
+    {
+        final ClassLoader classLoader = createClassLoader( libDir );
+        Thread.currentThread().setContextClassLoader( classLoader );
+    }
+
+    protected ClassLoader createClassLoader( final File libDir )
+    {
+        final ExtensionFileFilter filter = 
+            new ExtensionFileFilter( new String[] { ".jar", ".zip" } );
+
+        final ArrayList urlList = new ArrayList();
+        toURLS( urlList, libDir.listFiles( filter ) );
+        
+        final URL urls[] = (URL[])urlList.toArray( new URL[0] );
+
+        return new URLClassLoader( urls, ClassLoader.getSystemClassLoader() );
+    }
+
+    protected void toURLS( final ArrayList urls, final File files[] )
+    {
+        for( int i = 0; i < files.length; i++ )
+        {
+            try { urls.add( files[ i ].toURL() ); }
+            catch( final MalformedURLException mue ) {}
+        }
+    }
+
+    protected Project getProject( final String builderName, final File file )
+        throws AntException, IOException
+    {
+        m_logger.debug( "Ant Project Builder: " + builderName );
+        final ProjectBuilder builder = createBuilder( builderName );
+        builder.setLogger( m_logger );
+
+        //create the project
+        final Project project = builder.build( file );
+
+        return project;
+    }
+
+    protected void setupProjectContext( final Project project, final HashMap defines )
+        throws AntException
+    {
+        final TaskletContext context = project.getContext();
+        
+        final Iterator keys = defines.keySet().iterator();
+        //make sure these come before following so they get overidden if user tries to 
+        //confuse the system
+        while( keys.hasNext() )
+        {
+            final String key = (String)keys.next();
+            final String value = (String)defines.get( key );
+            context.setProperty( key, value );
+        }
+        
+        context.setProperty( AntContextResources.HOME_DIR, m_homeDir );
+        context.setProperty( AntContextResources.BIN_DIR, m_binDir );
+        context.setProperty( AntContextResources.LIB_DIR, m_libDir );
+        context.setProperty( AntContextResources.TASKLIB_DIR, m_taskLibDir );
+        //context.put( AntContextResources.USER_DIR, m_userDir );
+        context.setProperty( TaskletContext.LOGGER, m_logger );
+        context.setProperty( TaskletContext.JAVA_VERSION, getJavaVersion() );
+    }
+
+    protected JavaVersion getJavaVersion()
+    {
+        JavaVersion version = JavaVersion.JAVA1_0;
+
+        try
+        {
+            Class.forName( "java.lang.Void" );
+            version = JavaVersion.JAVA1_1;
+            Class.forName( "java.lang.ThreadLocal" );
+            version = JavaVersion.JAVA1_2;
+            Class.forName( "java.lang.StrictMath" );
+            version = JavaVersion.JAVA1_3;
+        } 
+        catch( final ClassNotFoundException cnfe ) {}
+
+        return version;
+    }
+
+    protected ProjectEngine getProjectEngine()
+    {
+        final ProjectEngine engine = createProjectEngine();
+        engine.setLogger( m_logger );
+        return engine;
+    }
+
+    protected ProjectEngine createProjectEngine()
+    {
+        return new DefaultProjectEngine();
+    }
+
+    protected File getHomeDir( final String homeDir )
+        throws AntException
+    {
+        final File file = new File( homeDir );
+        checkDirectory( file, "ant-home" );
+        return file;
+    }
+
+    protected File getBinDir( final String binDir )
+        throws AntException
+    {
+        File file = (new File( binDir )).getAbsoluteFile();
+        if( !file.isDirectory() ) file = file.getParentFile();
+        checkDirectory( file, "bin-dir" );
+        return file;
+    }
+
+    protected File getLibDir( final File antHome, String libDir )
+        throws AntException
+    {
+        return resolveDirectory( antHome, libDir, "lib-dir" );
+    }
+
+    protected File getTaskLibDir( final File antHome, final String taskLibDir )
+        throws AntException
+    {
+        return resolveDirectory( antHome, taskLibDir, "task-lib-dir" );
+    }
+
+    protected File resolveDirectory( final File antHome, final String dir, final String name )
+        throws AntException
+    {
+        final File file = FileUtil.resolveFile( antHome, dir );
+        checkDirectory( file, name );
+        return file;
+    }
+
+    protected void checkDirectory( final File file, final String name )
+    { 
+        if( !file.exists() )
+        {
+            throw new AntException( name + " (" + file + ") does not exist" );
+        }
+        else if( !file.isDirectory() )
+        {
+            throw new AntException( name + " (" + file + ") is not a directory" );
+        }
+    }
+
+    protected ProjectListener createListener( final String listenerName )
+        throws AntException
+    {
+        try { return (ProjectListener)createObject( listenerName, "listener" ); }
+        catch( final ClassCastException cce )
+        {
+            throw new AntException( "Aparently the listener named " + listenerName +
+                                    " does not implement the ProjectListener interface",
+                                    cce );
+        }
+    }
+
+    protected Logger createLogger( final String logLevel )
+        throws AntException
+    {
+        final String logLevelCapitalized = logLevel.toUpperCase();
+        final Priority.Enum priority = LogKit.getPriorityForName( logLevelCapitalized );
+
+        if( !priority.getName().equals( logLevelCapitalized ) )
+        {
+            throw new AntException( "Unknown log level - " + logLevel );
+        }
+        
+        final Category category = LogKit.createCategory( "ant", priority );
+        return LogKit.createLogger( category );
+    }
+
+    protected void setupDefaultAntDirs()
+    {
+        final String os = System.getProperty( "os.name" );
+        final String userDir = System.getProperty( "user.home" );
+        m_userDir = 
+            (new File( getUserLocationFor( os, userDir ) )).getAbsoluteFile();
+    }
+
+    /**
+     * Retrieve default bin-dir value if possible (Otherwise throw an exception).
+     *
+     * Lookup OS specific places for ant to be. 
+     * /opt/ant on *BSD ?
+     * /usr/local/ant on linux ?
+     * /Program Files/Ant on Win32 ?
+     *
+     * @return bin directory
+     */
+    protected File getDefaultHomeDir()
+        throws AntException
+    {
+        if( null != m_userDir )
+        {
+            try 
+            {
+                checkDirectory( m_userDir, null );
+                return m_userDir;
+            }
+            catch( final AntException ae ) {}
+        }
+
+        final String os = System.getProperty( "os.name" );
+        final File candidate = 
+            (new File( getSystemLocationFor( os ) )).getAbsoluteFile();
+        checkDirectory( candidate, "ant-home" );
+        return candidate;
+    }
+
+    /**
+     * This determins a mapping from an OS specific place to ants home directory.
+     * In later versions the mapping should be read from configuration file.
+     *
+     * @param os the name of OS
+     * @return the location of directory
+     */
+    protected String getUserLocationFor( final String os, final String userDir )
+    {
+        if( os.startsWith( "Windows" ) )
+        {
+            return userDir + "\\Ant";
+        }
+        else if( '/' == File.separatorChar )
+        {
+            if( os.startsWith( "Linux" ) ) return userDir + "/ant";
+            else return userDir + "/opt/ant";
+        }
+        else
+        {
+            return userDir + File.separator + "ant";
+        }
+    }
+
+    /**
+     * This determins a mapping from an OS specific place to ants home directory.
+     * In later versions the mapping should be read from configuration file.
+     *
+     * @param os the name of OS
+     * @return the location of directory
+     */
+    protected String getSystemLocationFor( final String os )
+    {
+        if( os.startsWith( "Windows" ) )
+        {
+            return "\\Program Files\\Ant";
+        }
+        else if( '/' == File.separatorChar )
+        {
+            if( os.startsWith( "Linux" ) ) return "/usr/local/ant";
+            else return "/opt/ant";
+        }
+        else
+        {
+            return File.separator + "ant";
+        }
+    }
+
+    protected String getDefaultLibDir()
+    {
+        return DEFAULT_LIB_DIRECTORY;
+    }
+
+    protected String getDefaultTaskLibDir()
+    {
+        return DEFAULT_TASKLIB_DIRECTORY;
+    }
+
+    /**
+     * Retrieve default filename. Overide this in base classes to change default.
+     *
+     * @return the default filename
+     */
+    protected String getDefaultFilename()
+    {
+        return DEFAULT_FILENAME;
+    }
+ 
+    /**
+     * Retrieve default logelevel. Overide this in base classes to change default.
+     *
+     * @return the default loglevel
+     */
+    protected String getDefaultLogLevel()
+    {
+        return DEFAULT_LOGLEVEL;
+    }
+   
+    /**
+     * Retrieve default listener. Overide this in base classes to change default.
+     *
+     * @return the default listener
+     */
+    protected String getDefaultListener()
+    {
+        return DEFAULT_LISTENER;
+    }
+
+    /**
+     * Get File object for filename.
+     * Check that file exists and is not a directory.
+     *
+     * @param filename the filename
+     * @return the file object
+     * @exception AntException if an error occurs
+     */
+    protected File getFile( final String filename )
+        throws AntException, IOException
+    {
+        final File file = (new File( filename )).getCanonicalFile();
+            
+        if( !file.exists() )
+        {
+            throw new AntException( "File " + file + " does not exist." );
+        }
+        
+        if( file.isDirectory() )
+        {
+            throw new AntException( "File " + file + " is a directory." );
+        }
+
+        return file;
+    }
+
+    /**
+     * Create instance of Builder based on classname.
+     *
+     * @param builderName builder class name
+     * @return the ProjectBuilder
+     * @exception AntException if an error occurs
+     */
+    protected ProjectBuilder createBuilder( final String builderName )
+        throws AntException
+    {
+        try { return (ProjectBuilder)createObject( builderName, "builder" ); }
+        catch( final ClassCastException cce )
+        {
+            throw new AntException( "Aparently the builder named " + builderName +
+                                    " does not implement the ProjectBuilder interface",
+                                    cce );
+        }
+    }
+
+    /**
+     * Helper method to create object and throw an apporpriate AntException if creation failed.
+     *
+     * @param objectName the classname of object
+     * @param type the type of object being created (ie builder|listener)
+     * @return the created object
+     * @exception AntException if an error occurs
+     */
+    protected Object createObject( final String objectName, final String type )
+        throws AntException
+    {
+        try
+        {
+            final Class clazz = Class.forName( objectName );
+            return clazz.newInstance();
+        }
+        catch( final IllegalAccessException iae )
+        {
+            throw new AntException( "Non-public constructor for " + type + " " + objectName, 
+                                    iae );
+        }
+        catch( final InstantiationException ie )
+        {
+            throw new AntException( "Error instantiating class for " + type + " " + objectName, 
+                                    ie );
+        }
+        catch( final ClassNotFoundException cnfe )
+        {
+            throw new AntException( "Could not find the class for " + type + " " + objectName, 
+                                    cnfe );
+        }
+    }
+
+    /**
+     * Retrieve class name of builder for file.
+     * Eventually this will look in a registry of file extentions to BuilderNames.
+     *
+     * @param filename the filename
+     * @return the name of Class for Builder
+     * @exception AntException if an error occurs
+     */
+    protected String getBuilderNameFor( final String filename )
+        throws AntException
+    {
+        return DEFAULT_BUILDER;
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/configuration/Configurable.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.configuration;
+
+import org.apache.avalon.ConfigurationException;
+
+/**
+ * This interface should be implemented by classes that need to be
+ * configured with custom parameters before initialization.
+ * <br />
+ *
+ * The contract surrounding a <code>Configurable</code> is that the
+ * instantiating entity must call the <code>configure</code>
+ * method before it is valid.  The <code>configure</code> method
+ * must be called after the constructor, and before any other method.
+ *
+ * @author <a href="mailto:fede@apache.org">Federico Barbieri</a>
+ * @author <a href="mailto:pier@apache.org">Pierpaolo Fumagalli</a>
+ * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a>
+ * @author <a href="mailto:bloritsch@apache.org">Berin Loritsch</a>
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface Configurable
+{
+    /**
+     * Pass the <code>Configuration</code> to the <code>Configurable</code>
+     * class. This method must always be called after the constructor
+     * and before any other method.
+     *
+     * @param configuration the class configurations.
+     */
+    void configure( Configuration configuration ) 
+        throws ConfigurationException;
+}

proposal/myrmidon/src/java/org/apache/ant/configuration/Configuration.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.configuration;
+
+import java.util.Iterator;
+
+/**
+ * Hostile fork till Avalon gets equivelent functionality ;)
+ */
+public interface Configuration
+    extends org.apache.avalon.Configuration
+{
+    /**
+     * Retrieve a list of all child names.
+     *
+     * @return the child names
+     */
+    Iterator getChildren();
+
+    /**
+     * Retrieve a list of all attribute names.
+     *
+     * @return the attribute names
+     */
+    Iterator getAttributeNames();
+}

proposal/myrmidon/src/java/org/apache/ant/configuration/ConfigurationBuilder.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.configuration;
+
+import org.xml.sax.SAXException;
+
+/**
+ * Hostile fork till Avalon gets equivelent functionality ;)
+ */
+public class ConfigurationBuilder
+    extends org.apache.avalon.DefaultConfigurationBuilder
+{
+    public ConfigurationBuilder()
+        throws SAXException
+    {
+        super();
+    }
+
+    protected org.apache.avalon.SAXConfigurationHandler getHandler()
+    {
+        return new SAXConfigurationHandler();
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/configuration/DefaultConfiguration.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.configuration;
+
+import java.util.Iterator;
+
+/**
+ * Hostile fork till Avalon gets equivelent functionality ;)
+ */
+public class DefaultConfiguration
+    extends org.apache.avalon.DefaultConfiguration
+    implements Configuration
+{
+    public DefaultConfiguration( final String localname, final String location )
+    {
+        super( localname, location );
+    }
+
+    /**
+     * Retrieve a list of all child names.
+     *
+     * @return the child names
+     */
+    public Iterator getChildren()
+    {
+        if( null == m_children ) return EMPTY_ITERATOR;
+        else return m_children.iterator();
+    }
+    
+    /**
+     * Retrieve a list of all attribute names.
+     *
+     * @return the attribute names
+     */
+    public Iterator getAttributeNames()
+    {
+        if( null == m_attributes ) return EMPTY_ITERATOR;
+        else return m_attributes.keySet().iterator();
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/configuration/SAXConfigurationHandler.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.configuration;
+
+/**
+ * Hostile fork till Avalon gets equivelent functionality ;)
+ */
+public class SAXConfigurationHandler
+    extends org.apache.avalon.SAXConfigurationHandler
+{
+    protected org.apache.avalon.DefaultConfiguration 
+        createConfiguration( final String localName, final String location )
+    {
+        return new DefaultConfiguration( localName, location );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/convert/AbstractConverter.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+/**
+ * Instances of this interface are used to convert between different types.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public abstract class AbstractConverter
+    implements Converter
+{
+    protected final Class         m_source;
+    protected final Class         m_destination;
+
+    public AbstractConverter( final Class source, final Class destination )
+    {
+        m_source = source;
+        m_destination = destination;
+    }
+
+    public Object convert( final Class destination, final Object original )
+        throws Exception
+    {
+        if( m_destination != destination )
+        {
+            throw new IllegalArgumentException( "Destination type " + destination.getName() +
+                                                " is not equal to " + m_destination );
+        }
+
+        if( !m_source.isInstance( original ) )
+        {
+            throw new IllegalArgumentException( "Object '" + original + "' is not an " + 
+                                                "instance of " + m_source.getName() );
+        }
+            
+        return convert( original );
+    }
+
+    protected abstract Object convert( Object original )
+        throws Exception;
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/Converter.java

@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+/**
+ * Instances of this interface are used to convert between different types.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface Converter
+{
+    Object convert( Class destination, Object original )
+        throws Exception;
+}

proposal/myrmidon/src/java/org/apache/ant/convert/ConverterEntry.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import org.apache.ant.convert.Converter;
+import org.apache.avalon.camelot.AbstractEntry;
+
+public class ConverterEntry
+    extends AbstractEntry
+{
+    public ConverterEntry( final ConverterInfo info, final Converter converter )
+    {
+        super( info, converter );
+    }
+    
+    /**
+     * Retrieve instance of converter.
+     *
+     * @return the component instance
+     */
+    public Converter getConverter()
+    {
+        return (Converter)getInstance();
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/ConverterFactory.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import org.apache.avalon.camelot.Factory;
+import org.apache.avalon.camelot.FactoryException;
+
+/**
+ * Facility used to load Converters.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface ConverterFactory
+    extends Factory
+{
+    ConverterEntry create( ConverterInfo info ) 
+        throws FactoryException;
+}

proposal/myrmidon/src/java/org/apache/ant/convert/ConverterInfo.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import java.net.URL;
+import org.apache.avalon.camelot.Info;
+
+/**
+ * This info represents meta-information about a converter.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface ConverterInfo
+    extends Info
+{
+    /**
+     * Retrieve the source type from which it can convert.
+     * NB: Should this be an array ????
+     *
+     * @return the classname from which object produced
+     */
+    String getSource();
+
+    /**
+     * Retrieve the type to which the converter converts.
+     * NB: Should this be an array ????
+     *
+     * @return the classname of the produced object
+     */
+    String getDestination();
+
+    /**
+     * Retrieve classname for concerter.
+     *
+     * @return the taskname
+     */
+    String getClassname();
+
+    /**
+     * Retrieve location of task library where task is contained.
+     *
+     * @return the location of task library
+     */
+    URL getLocation();
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/ConverterLoader.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import org.apache.avalon.camelot.Loader;
+
+/**
+ * Class used to load converters et al from a source.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface ConverterLoader
+    extends Loader
+{
+    Converter loadConverter( String converter )
+        throws Exception;
+}

proposal/myrmidon/src/java/org/apache/ant/convert/ConverterRegistry.java

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import org.apache.avalon.camelot.Registry;
+
+public interface ConverterRegistry
+    extends Registry
+{
+    ConverterInfo getConverterInfo( String source, String destination );
+}

proposal/myrmidon/src/java/org/apache/ant/convert/DefaultConverterFactory.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.HashMap;
+import org.apache.ant.convert.Converter;
+import org.apache.avalon.camelot.Entry;
+import org.apache.avalon.camelot.Factory;
+import org.apache.avalon.camelot.Loader;
+import org.apache.avalon.camelot.FactoryException;
+import org.apache.avalon.camelot.Info;
+
+/**
+ * Facility used to load Converters.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultConverterFactory
+    implements ConverterFactory
+{
+    protected final HashMap         m_loaders        = new HashMap();
+    
+    public Entry create( final Info info )
+        throws FactoryException
+    {
+        if( info.getClass().equals( ConverterInfo.class ) )
+        {
+            throw new IllegalArgumentException( "Passed incorrect Info type to factory" );
+        }
+        return create( (ConverterInfo)info );
+    }
+    
+    public ConverterEntry create( final ConverterInfo info )
+        throws FactoryException
+    {
+        final ConverterLoader loader = getLoader( info.getLocation() );
+        
+        Object object = null;
+        
+        try { object = loader.load( info.getClassname() ); }
+        catch( final Exception e )
+        {
+            throw new FactoryException( "Failed loading converter from " + info.getLocation() +
+                                        " due to " + e, e );
+        }
+        
+        return new ConverterEntry( info, (Converter)object );        
+    }
+    
+    protected ConverterLoader getLoader( final URL location )
+    {
+        ConverterLoader loader = (ConverterLoader)m_loaders.get( location );
+        
+        if( null == loader )
+        {
+            loader = createLoader( location );
+            m_loaders.put( location, loader );
+        }
+        
+        return loader;
+    }
+    
+    protected ConverterLoader createLoader( final URL location )
+    {
+        if( null != location ) return new DefaultConverterLoader( location );
+        else return new DefaultConverterLoader();
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/convert/DefaultConverterInfo.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import java.net.URL;
+
+/**
+ * This info represents meta-information about a converter.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultConverterInfo
+    implements ConverterInfo
+{
+    protected final String            m_source;
+    protected final String            m_destination;
+    protected final String            m_classname;
+    protected final URL               m_location;
+
+    public DefaultConverterInfo( final String source, 
+                                 final String destination,
+                                 final String classname,
+                                 final URL location )
+    {
+        m_source = source;
+        m_destination = destination;
+        m_classname = classname;
+        m_location = location;
+    } 
+
+    /**
+     * Retrieve the source type from which it can convert.
+     * NB: Should this be an array ????
+     *
+     * @return the classname from which object produced
+     */
+    public String getSource()
+    {
+        return m_source;
+    }
+    
+    /**
+     * Retrieve the type to which the converter converts.
+     * NB: Should this be an array ????
+     *
+     * @return the classname of the produced object
+     */
+    public String getDestination()
+    {
+        return m_destination;
+    }
+    
+    /**
+     * Retrieve classname for concerter.
+     *
+     * @return the taskname
+     */
+    public String getClassname()
+    {
+        return m_classname;
+    }
+
+    /**
+     * Retrieve location of task library where task is contained.
+     *
+     * @return the location of task library
+     */
+    public URL getLocation()
+    {
+        return m_location;
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/DefaultConverterLoader.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import java.net.URL;
+import java.net.URLClassLoader;
+import org.apache.avalon.camelot.AbstractLoader;
+
+/**
+ * Class used to load converters et al from a source.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultConverterLoader
+    extends AbstractLoader
+    implements ConverterLoader
+{
+    public DefaultConverterLoader()
+    {
+        super( new URLClassLoader( new URL[0], 
+                                   Thread.currentThread().getContextClassLoader() ) );
+    }
+    
+    public DefaultConverterLoader( final URL location )
+    {
+        super( new URLClassLoader( new URL[] { location } ) );
+    }
+    
+    public Converter loadConverter( final String converter )
+        throws Exception
+    {
+        return (Converter)load( converter );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/convert/DefaultConverterRegistry.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert;
+
+import java.util.HashMap;
+import org.apache.avalon.camelot.AbstractRegistry;
+import org.apache.avalon.camelot.Info;
+import org.apache.avalon.camelot.RegistryException;
+
+public class DefaultConverterRegistry
+    extends AbstractRegistry
+    implements ConverterRegistry
+{
+    protected final HashMap         m_mapping        = new HashMap();
+
+    public ConverterInfo getConverterInfo( final String source, final String destination )
+    {
+        final HashMap map = (HashMap)m_mapping.get( source );
+        if( null == map ) return null;
+        return (ConverterInfo)map.get( destination );
+    }
+
+    protected void checkInfo( final String name, final Info info )
+        throws RegistryException
+    {
+        super.checkInfo( name, info );
+
+        final ConverterInfo converterInfo = (ConverterInfo)info;
+        final String source = converterInfo.getSource();
+        final String destination = converterInfo.getDestination();
+
+        HashMap map = (HashMap)m_mapping.get( source );
+        if( null == map )
+        {
+            map = new HashMap();
+            m_mapping.put( source, map );
+        }
+        
+        map.put( destination, info );        
+    }
+
+    protected Class getInfoClass()
+    {
+        return ConverterInfo.class;
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/convert/core/StringToByteConverter.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert.core;
+
+import org.apache.ant.convert.AbstractConverter;
+
+/**
+ * String to byte converter
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class StringToByteConverter
+    extends AbstractConverter
+{
+    public StringToByteConverter()
+    {
+        super( String.class, Byte.class );
+    }
+
+    public Object convert( final Object original )
+        throws Exception
+    {
+        return new Byte( (String)original );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/core/StringToDoubleConverter.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert.core;
+
+import org.apache.ant.convert.AbstractConverter;
+
+/**
+ * String to double converter
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class StringToDoubleConverter
+    extends AbstractConverter
+{
+    public StringToDoubleConverter()
+    {
+        super( String.class, Double.class );
+    }
+
+    public Object convert( final Object original )
+        throws Exception
+    {
+        return new Double( (String)original );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/core/StringToFloatConverter.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert.core;
+
+import org.apache.ant.convert.AbstractConverter;
+
+/**
+ * String to float converter
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class StringToFloatConverter
+    extends AbstractConverter
+{
+    public StringToFloatConverter()
+    {
+        super( String.class, Float.class );
+    }
+
+    public Object convert( final Object original )
+        throws Exception
+    {
+        return new Float( (String)original );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/core/StringToIntegerConverter.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert.core;
+
+import org.apache.ant.convert.AbstractConverter;
+
+/**
+ * String to integer converter.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class StringToIntegerConverter
+    extends AbstractConverter
+{
+    public StringToIntegerConverter()
+    {
+        super( String.class, Integer.class );
+    }
+
+    public Object convert( final Object original )
+        throws Exception
+    {
+        return new Integer( (String)original );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/core/StringToLongConverter.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert.core;
+
+import org.apache.ant.convert.AbstractConverter;
+
+/**
+ * String to long converter
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class StringToLongConverter
+    extends AbstractConverter
+{
+    public StringToLongConverter()
+    {
+        super( String.class, Long.class );
+    }
+
+    public Object convert( final Object original )
+        throws Exception
+    {
+        return new Long( (String)original );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/core/StringToShortConverter.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.convert.core;
+
+import org.apache.ant.convert.AbstractConverter;
+
+/**
+ * String to short converter
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class StringToShortConverter
+    extends AbstractConverter
+{
+    public StringToShortConverter()
+    {
+        super( String.class, Short.class );
+    }
+
+    public Object convert( final Object original )
+        throws Exception
+    {
+        return new Short( (String)original );
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/convert/core/converters.properties

@@ -0,0 +1,6 @@
+org.apache.ant.convert.core.StringToLongConverter=java.lang.String, java.lang.Long
+org.apache.ant.convert.core.StringToIntegerConverter=java.lang.String, java.lang.Integer
+org.apache.ant.convert.core.StringToShortConverter=java.lang.String, java.lang.Short
+org.apache.ant.convert.core.StringToByteConverter=java.lang.String, java.lang.Byte
+org.apache.ant.convert.core.StringToDoubleConverter=java.lang.String, java.lang.Double
+org.apache.ant.convert.core.StringToFloatConverter=java.lang.String, java.lang.Float

proposal/myrmidon/src/java/org/apache/ant/project/DefaultProject.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.DefaultTaskletContext;
+import org.apache.ant.tasklet.TaskletContext;
+
+public class DefaultProject
+    implements Project
+{
+    protected final TaskletContext       m_baseContext     = new DefaultTaskletContext();
+    protected final HashMap              m_targets         = new HashMap();
+    protected Target                     m_implicitTarget;
+    protected String                     m_defaultTarget;
+
+    public Target getImplicitTarget()
+    {
+        return m_implicitTarget;
+    }
+
+    public void setImplicitTarget( final Target target )
+    {
+        m_implicitTarget = target;
+    }
+
+    public Target getTarget( final String targetName )
+    {
+        return (Target)m_targets.get( targetName );
+    }
+
+    public String getDefaultTargetName()
+    {
+        return m_defaultTarget;
+    }
+
+    public Iterator getTargetNames()
+    {
+        return m_targets.keySet().iterator();
+    }
+    
+    public TaskletContext getContext()
+    {
+        return m_baseContext;
+    }
+
+    public void setDefaultTargetName( final String defaultTarget )
+    {
+        m_defaultTarget = defaultTarget;
+    }
+
+    public void addTarget( final String name, final Target target )
+        throws AntException
+    {
+        if( null != m_targets.get( name ) )
+        {
+            throw new AntException( "Can not have two targets in a file with the name " +
+                                    name );
+        }
+        else
+        {
+            m_targets.put( name, target );
+        }
+    }
+}
+
+

proposal/myrmidon/src/java/org/apache/ant/project/DefaultProjectBuilder.java

@@ -0,0 +1,215 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Iterator;
+import org.apache.ant.AntException;
+import org.apache.ant.configuration.Configuration;
+import org.apache.ant.configuration.ConfigurationBuilder;
+import org.apache.ant.tasklet.TaskletContext;
+import org.apache.avalon.ConfigurationException;
+import org.apache.log.Logger;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+public class DefaultProjectBuilder
+    implements ProjectBuilder
+{
+    protected final ConfigurationBuilder  m_configurationBuilder;
+    protected Logger                      m_logger;
+
+    public DefaultProjectBuilder()
+    {
+        ConfigurationBuilder builder = null;
+        try { builder = new ConfigurationBuilder(); }
+        catch( final SAXException se ) {}
+
+        m_configurationBuilder = builder;
+    }
+
+    public void setLogger( final Logger logger )
+    {
+        m_logger = logger;
+    }
+
+    public Project build( final File projectFile )
+        throws IOException, AntException
+    {
+        try
+        {
+            final String location = projectFile.getCanonicalFile().toURL().toString();
+            final InputSource inputSource = new InputSource( location );
+            final Configuration configuration = 
+                (Configuration)m_configurationBuilder.build( inputSource );
+            return build( projectFile, configuration );
+        }
+        catch( final SAXException se )
+        {
+            throw new AntException( "SAXEception: " + se.getMessage(), se );
+        }
+        catch( final ConfigurationException ce )
+        {
+            throw new AntException( "ConfigurationException: " + ce.getMessage(), ce );
+        }
+    }
+
+    protected Project build( final File file, final Configuration configuration )
+        throws IOException, AntException, ConfigurationException
+    {
+        if( !configuration.getName().equals("project") )
+        {
+            throw new AntException( "Project file must be enclosed in project element" );
+        }
+        
+        final String baseDirectoryName = configuration.getAttribute( "basedir" );
+        final String defaultTarget = configuration.getAttribute( "default" );
+        final String projectName = configuration.getAttribute( "name" );
+
+        final DefaultProject project = new DefaultProject();
+        project.setDefaultTargetName( defaultTarget );
+
+        final File baseDirectory = 
+            (new File( file.getParentFile(), baseDirectoryName )).getAbsoluteFile();
+
+        m_logger.debug( "Project " + projectName + " base directory: " + baseDirectory );
+        
+        final TaskletContext context = project.getContext();
+        context.setProperty( TaskletContext.BASE_DIRECTORY, baseDirectory );
+        context.setProperty( Project.PROJECT_FILE, file );
+        context.setProperty( Project.PROJECT, projectName );
+
+        buildTopLevelProject( project, configuration );
+
+        return project;
+    }
+
+    protected void buildTopLevelProject( final DefaultProject project, 
+                                         final Configuration configuration )
+        throws AntException
+    {
+        final Iterator elements = configuration.getChildren();
+
+        while( elements.hasNext() )
+        {
+            final Configuration element = (Configuration)elements.next();
+            final String name = element.getName();
+
+            if( name.equals( "target" ) ) buildTarget( project, element );
+            else if( name.equals( "property" ) ) buildProperty( project, element );
+            else
+            {
+                throw new AntException( "Unknown top-level element " + name + 
+                                        " at " + element.getLocation() );
+            }
+        }
+    }
+
+    protected void buildTarget( final DefaultProject project, 
+                                final Configuration configuration )
+    {
+        final String name = configuration.getAttribute( "name", null );
+        final String depends = configuration.getAttribute( "depends", null );
+        final String ifCondition = configuration.getAttribute( "if", null );
+        final String unlessCondition = configuration.getAttribute( "unless", null );
+
+        if( null == name )
+        {
+            throw new AntException( "Discovered un-named target at " + 
+                                    configuration.getLocation() );
+        } 
+
+        m_logger.debug( "Parsing target: " + name );
+
+        if( null != ifCondition && null != unlessCondition )
+        {
+            throw new AntException( "Discovered invalid target that has both a if and " +
+                                    "unless condition at " + configuration.getLocation() );    
+        }
+
+        final DefaultTarget target = new DefaultTarget();
+        
+        if( null != ifCondition )
+        {
+            m_logger.debug( "Target if condition: " + ifCondition );
+            target.setIfCondition( true );
+            target.setCondition( ifCondition );
+        }
+        else if( null != unlessCondition )
+        {
+            m_logger.debug( "Target unless condition: " + unlessCondition );
+            target.setIfCondition( false );
+            target.setCondition( unlessCondition );
+        }
+
+        if( null != depends )
+        {
+            int start = 0;
+            int end = depends.indexOf( ',' );
+
+            while( -1 != end )
+            {
+                final String dependency = 
+                    parseDependency( configuration, depends.substring( start, end ) );
+
+                target.addDependency( dependency );
+                start = end++;
+                end = depends.indexOf( ',', start );
+            }    
+
+            final String dependency = 
+                parseDependency( configuration, depends.substring( start ) );
+
+            target.addDependency( dependency );
+        }
+
+        final Iterator tasks = configuration.getChildren();
+        while( tasks.hasNext() )
+        {
+            final Configuration task = (Configuration)tasks.next();
+            m_logger.debug( "Parsed task: " + task.getName() );
+            target.addTask( task );
+        }
+
+        project.addTarget( name, target );
+    }
+
+    protected String parseDependency( final Configuration configuration, 
+                                      String dependency ) 
+        throws AntException
+    {
+        dependency = dependency.trim();
+        
+        if( 0 == dependency.length() )
+        {
+            throw new AntException( "Discovered empty dependency in target " + 
+                                    configuration.getName() + " at " + 
+                                    configuration.getLocation() ); 
+        }
+        
+        m_logger.debug( "Target dependency: " + dependency );
+
+        return dependency;
+    }
+
+    protected void buildProperty( final DefaultProject project, 
+                                  final Configuration configuration )
+    {       
+        DefaultTarget target = (DefaultTarget)project.getImplicitTarget();
+        
+        if( null == target )
+        {
+            target = new DefaultTarget();
+            project.setImplicitTarget( target );
+        }
+
+        m_logger.debug( "Parsed implicit task: " + configuration.getName() );
+        target.addTask( configuration );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/project/DefaultProjectEngine.java

@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import org.apache.ant.AntException;
+import org.apache.ant.configuration.Configuration;
+import org.apache.ant.convert.ConverterRegistry;
+import org.apache.ant.convert.DefaultConverterRegistry;
+import org.apache.ant.tasklet.DefaultTaskletContext;
+import org.apache.ant.tasklet.TaskletContext;
+import org.apache.ant.tasklet.engine.DefaultTaskletEngine;
+import org.apache.ant.tasklet.engine.DefaultTaskletInfo;
+import org.apache.ant.tasklet.engine.DefaultTaskletRegistry;
+import org.apache.ant.tasklet.engine.TaskletEngine;
+import org.apache.ant.tasklet.engine.TaskletRegistry;
+import org.apache.ant.tasklet.engine.TskDeployer;
+import org.apache.avalon.DefaultComponentManager;
+import org.apache.avalon.Disposable;
+import org.apache.avalon.Initializable;
+import org.apache.avalon.camelot.Deployer;
+import org.apache.avalon.camelot.DeploymentException;
+import org.apache.avalon.camelot.RegistryException;
+import org.apache.log.Logger;
+
+public class DefaultProjectEngine
+    implements ProjectEngine, Initializable, Disposable
+{
+    protected Deployer              m_deployer;
+    protected TaskletRegistry       m_taskletRegistry;
+    protected ConverterRegistry     m_converterRegistry;
+    protected TaskletEngine         m_taskletEngine;
+    protected Logger                m_logger;
+
+    public void setLogger( final Logger logger )
+    {
+        m_logger = logger;
+    }
+
+    public void init()
+        throws Exception
+    {
+        m_taskletEngine = createTaskletEngine();
+
+        m_taskletRegistry = createTaskletRegistry();
+        m_converterRegistry = createConverterRegistry();
+        m_deployer = createDeployer();
+
+        //final DefaultTaskletContext context = new DefaultTaskletContext();
+        //m_taskletEngine.contextualize( context );
+
+        final DefaultComponentManager componentManager = new DefaultComponentManager();
+        componentManager.put( "org.apache.ant.tasklet.engine.TaskletRegistry", 
+                              m_taskletRegistry );
+
+        componentManager.put( "org.apache.ant.convert.ConverterRegistry", 
+                              m_converterRegistry );
+
+        componentManager.put( "org.apache.avalon.camelot.Deployer", m_deployer );
+       
+        m_taskletEngine.compose( componentManager );
+        
+        if( m_taskletEngine instanceof Initializable )
+        {
+            ((Initializable)m_taskletEngine).init();
+        }
+    }
+
+    public void dispose()
+        throws Exception
+    {
+        if( m_taskletEngine instanceof Disposable )
+        {
+            ((Disposable)m_taskletEngine).dispose();
+        }
+    }
+
+    public Deployer getDeployer()
+    {
+        return m_deployer;
+    }
+
+    protected TaskletEngine createTaskletEngine()
+    {
+        return new DefaultTaskletEngine();
+    }    
+    
+    protected TaskletRegistry createTaskletRegistry()
+    {
+        return new DefaultTaskletRegistry();
+    }
+    
+    protected ConverterRegistry createConverterRegistry()
+    {
+        return new DefaultConverterRegistry();
+    }
+       
+    protected Deployer createDeployer()
+    {
+        final TskDeployer deployer = 
+            new TskDeployer( m_taskletRegistry, m_converterRegistry );
+        deployer.setLogger( m_logger );
+        return deployer;
+    }
+        
+    public void execute( final Project project, final String target )
+        throws AntException
+    {
+        m_taskletEngine.contextualize( project.getContext() );
+        executeTarget( "<init>", project.getImplicitTarget() );
+
+        final ArrayList done = new ArrayList();
+        execute( project, target, done );
+    }
+
+    protected void execute( final Project project, 
+                            final String targetName, 
+                            final ArrayList done )
+        throws AntException
+    {
+        final Target target = project.getTarget( targetName );
+
+        if( null == target )
+        {
+            throw new AntException( "Unable to find target " + targetName );
+        }
+
+        done.add( targetName );
+
+        final Iterator dependencies = target.getDependencies();
+        while( dependencies.hasNext() )
+        {
+            final String dependency = (String)dependencies.next();
+            if( !done.contains( dependency ) )
+            {
+                execute( project, dependency, done );
+            }
+        }
+
+        final TaskletContext context = getContextFor( project, targetName );
+        m_taskletEngine.contextualize( context );
+        executeTarget( targetName, target );
+    }
+
+    protected TaskletContext getContextFor( final Project project, final String targetName )
+    {
+        final DefaultTaskletContext context = 
+            new DefaultTaskletContext( project.getContext() );
+
+        context.setProperty( Project.TARGET, targetName );
+        context.put( TaskletContext.LOGGER, m_logger );
+
+        return context;
+    }
+
+    protected void executeTarget( final String targetName, final Target target )
+        throws AntException
+    {
+        m_logger.debug( "Executing target " + targetName );
+        
+        final Iterator tasks = target.getTasks();
+        while( tasks.hasNext() )
+        {
+            final Configuration task = (Configuration)tasks.next();
+            executeTask( task );
+        }
+    }
+
+    protected void executeTask( final Configuration configuration )
+        throws AntException
+    {
+        final String name = configuration.getName();
+        m_logger.debug( "Executing task " + name );
+
+        m_taskletEngine.execute( configuration );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/project/DefaultProjectListener.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import org.apache.log.format.PatternFormatter;
+import org.apache.log.output.DefaultOutputLogTarget;
+
+public class DefaultProjectListener
+    extends DefaultOutputLogTarget
+    implements ProjectListener
+{
+    protected String        m_prefix;
+
+    /**
+     * Initialize the default pattern.
+     */
+    protected void initPattern()
+    {
+        final PatternFormatter formatrer = new PatternFormatter();
+        formatrer.setFormat( "%{message}\\n%{throwable}" );
+        m_formatter = formatrer;
+    }
+
+    public void projectStarted( final String projectName )
+    {
+        output( "Starting project " + projectName + "\n" );
+    }
+
+    public void projectFinished()
+    {
+    }
+    
+    public void targetStarted( final String targetName )
+    {
+        output( targetName + ":\n" );
+    }
+
+    public void targetFinished()
+    {
+    }
+    
+    public void taskletStarted( final String taskletName )
+    {
+        m_prefix = taskletName;
+    }
+
+    public void taskletFinished()
+    {
+        m_prefix = null;
+    }
+
+    protected void output( final String data )
+    {
+        if( null != m_prefix ) super.output( "[" + m_prefix + "] " + data );
+        else super.output( data );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/project/DefaultTarget.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import org.apache.ant.configuration.Configuration;
+
+public class DefaultTarget
+    implements Target
+{
+    protected ArrayList         m_dependencies     = new ArrayList();
+    protected ArrayList         m_tasks            = new ArrayList();
+    protected String            m_condition;
+    protected boolean           m_isIfCondition;
+
+    public Iterator getDependencies()
+    {
+        return m_dependencies.iterator();
+    }
+
+    public Iterator getTasks()
+    {
+        return m_tasks.iterator();
+    }
+
+    public String getCondition()
+    {
+        return m_condition;
+    }
+
+    public void setCondition( final String condition )
+    {
+        m_condition = condition;
+    }
+
+    public boolean isIfCondition()
+    {
+        return m_isIfCondition;
+    }
+
+    public void setIfCondition( final boolean isIfCondition )
+    {
+        m_isIfCondition = isIfCondition;
+    }
+
+    public void addDependency( final String dependency )
+    {
+        m_dependencies.add( dependency );
+    }
+
+    public void addTask( final Configuration taskConfiguration )
+    {
+        m_tasks.add( taskConfiguration );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/project/Project.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.util.Iterator;
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.TaskletContext;
+
+public interface Project
+{
+    // the name of currently executing project
+    String PROJECT          = "ant.project.name"; 
+
+    // the name of currently executing project
+    String PROJECT_FILE     = "ant.project.file"; 
+
+    // the name of currently executing target
+    String TARGET           = "ant.target.name"; 
+
+    String getDefaultTargetName();
+    Target getImplicitTarget();
+    Target getTarget( String name );
+    Iterator getTargetNames();
+    TaskletContext getContext();
+}

proposal/myrmidon/src/java/org/apache/ant/project/ProjectBuilder.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.io.File;
+import java.io.IOException;
+import org.apache.ant.AntException;
+import org.apache.log.Logger;
+
+public interface ProjectBuilder
+{
+    void setLogger( Logger logger );
+
+    Project build( File projectFile )
+        throws IOException, AntException;
+}
+
+

proposal/myrmidon/src/java/org/apache/ant/project/ProjectEngine.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import org.apache.ant.AntException;
+import org.apache.avalon.camelot.Deployer;
+import org.apache.avalon.camelot.Registry;
+import org.apache.log.Logger;
+
+public interface ProjectEngine
+{
+    Deployer getDeployer();
+    void setLogger( Logger logger );
+    void execute( Project project, String target )
+        throws AntException;
+}

proposal/myrmidon/src/java/org/apache/ant/project/ProjectListener.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import org.apache.log.LogTarget;
+
+public interface ProjectListener
+    extends LogTarget
+{
+    void projectStarted( String projectName );
+    void projectFinished();
+
+    void targetStarted( String targetName );
+    void targetFinished();
+
+    void taskletStarted( String taskletName );
+    void taskletFinished();
+}

proposal/myrmidon/src/java/org/apache/ant/project/Target.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.project;
+
+import java.util.Iterator;
+
+public interface Target
+{
+    Iterator getDependencies();
+    Iterator getTasks();
+    String getCondition();
+    boolean isIfCondition();
+}
+
+

proposal/myrmidon/src/java/org/apache/ant/tasklet/AbstractTasklet.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet;
+
+import org.apache.ant.AntException;
+import org.apache.avalon.Context;
+import org.apache.avalon.Initializable;
+import org.apache.log.Logger;
+
+/**
+ * This is abstract base class for tasklets.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public abstract class AbstractTasklet
+    implements Tasklet, Initializable
+{
+    protected JavaVersion             m_requiredJavaVersion;
+
+    private TaskletContext            m_context;
+    private Logger                    m_logger;
+
+    /**
+     * Retrieve context from container.
+     *
+     * @param context the context
+     */
+    public void contextualize( final Context context )
+    {
+        m_context = (TaskletContext)context;
+        m_logger = (Logger)m_context.getLogger();
+    }
+
+    /**
+     * This will be called before run() method and checks any preconditions.
+     *
+     * Intially preconditions just include JVM version but in future it 
+     * will automagically also check if all required parameters are present.
+     *
+     * @exception AntException if an error occurs
+     */
+    public void init()
+        throws AntException
+    {
+        if( null != m_requiredJavaVersion )
+        {
+            final JavaVersion suppliedVersion = m_context.getJavaVersion();
+
+            if( m_requiredJavaVersion.isLessThan( suppliedVersion ) )
+            {
+                throw new AntException( "Task requires a JavaVersion of at least " + 
+                                        m_requiredJavaVersion + " but current version is " +
+                                        suppliedVersion );
+            }
+        }
+    }
+
+    /**
+     * Convenience method for sub-class to retrieve context.
+     *
+     * @return the context
+     */
+    protected TaskletContext getContext()
+    {
+        return m_context;
+    }
+
+    /**
+     * Convenience method for subclass to get logger.
+     *
+     * @return the Logger
+     */
+    protected Logger getLogger()
+    {
+        return m_logger;
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/DefaultTaskletContext.java

@@ -0,0 +1,236 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet;
+
+import java.io.File;
+import org.apache.ant.AntException;
+import org.apache.avalon.DefaultContext;
+import org.apache.avalon.util.PropertyException;
+import org.apache.avalon.util.PropertyUtil; 
+import org.apache.avalon.util.io.FileUtil;
+import org.apache.log.Logger;
+
+/**
+ * This represents the *Context* in which a task can be executed.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultTaskletContext
+    extends DefaultContext
+    implements TaskletContext
+{
+    protected File     m_baseDirectory;
+
+    /**
+     * Constructor for Context with no parent contexts.
+     */
+    public DefaultTaskletContext()
+    {
+        this( null );
+    }
+    /**
+     * Constructor.
+     */
+    public DefaultTaskletContext( final TaskletContext parent )
+    {
+        super( parent );
+
+        if( null != parent )
+        {
+            m_baseDirectory = (File)parent.get( BASE_DIRECTORY );
+        }
+    }
+
+    /**
+     * Retrieve JavaVersion running under.
+     *
+     * @return the version of JVM
+     */
+    public JavaVersion getJavaVersion()
+    {
+        return (JavaVersion)get( JAVA_VERSION );
+    }
+
+    
+    /**
+     * Retrieve Name of tasklet.
+     *
+     * @return the name
+     */
+    public String getName()
+    {
+        return (String)get( NAME );
+    }
+
+    /**
+     * Retrieve Logger associated with task.
+     *
+     * @return the logger
+     */
+    public Logger getLogger()
+    {
+        return (Logger)get( LOGGER );
+    }
+    
+    /**
+     * Retrieve base directory.
+     *
+     * @return the base directory
+     */
+    public File getBaseDirectory()
+    {
+        return m_baseDirectory;
+    }
+
+    /**
+     * Resolve filename. 
+     * This involves resolving it against baseDirectory and
+     * removing ../ and ./ references. It also means formatting 
+     * it appropriately for the particular OS (ie different OS have 
+     * different volumes, file conventions etc)
+     *
+     * @param filename the filename to resolve
+     * @return the resolved filename
+     */
+    public String resolveFilename( final String filename )
+    {
+        final File result = FileUtil.resolveFile( m_baseDirectory, filename );
+        if( null != result ) return result.toString();
+        else return null;
+    }
+
+    /**
+     * Resolve property. 
+     * This evaluates all property substitutions based on current context.
+     *
+     * @param property the property to resolve
+     * @return the resolved property
+     */
+    public Object resolveValue( final String property )
+    {
+        try { return PropertyUtil.resolveProperty( property, this, false ); }
+        catch( final PropertyException pe )
+        {
+            throw new AntException( "Error resolving " + property + " due to " +pe.getMessage(),
+                                    pe );
+        }
+    }
+
+    /**
+     * Retrieve property for name.
+     *
+     * @param name the name of property
+     * @return the value of the property
+     */
+    public Object getProperty( final String name )
+    {
+        return get( name );
+    }
+
+    /**
+     * Set property value in current context.
+     *
+     * @param name the name of property
+     * @param value the value of property
+     */
+    public void setProperty( final String name, final Object value )
+    {
+        setProperty( name, value, CURRENT );
+    }
+    
+    /**
+     * Set property value.
+     *
+     * @param property the property
+     */
+    public void setProperty(  final String name, final Object value, final ScopeEnum scope  )
+    {
+        checkPropertyValid( name, value );
+
+        if( CURRENT == scope ) put( name, value );
+        else if( PARENT == scope )
+        {
+            if( null == m_parent ) 
+            {
+                throw new AntException( "Can't set a property with parent scope when context " +
+                                        " has no parent" );   
+            }
+            else
+            {
+                ((DefaultTaskletContext)m_parent).put( name, value );
+            }
+        }
+        else if( TOP_LEVEL == scope )
+        {
+            DefaultTaskletContext context = this;
+
+            while( null != context.m_parent )
+            {
+                context = (DefaultTaskletContext)context.m_parent;
+            }
+
+            context.put( name, value );
+        }
+        else
+        {
+            throw new AntException( "Can't set a property with an unknown " +
+                                    "property context! (" + scope + ")" );
+        }
+    }
+
+    public void put( final Object key, final Object value  )
+    {
+        if( key.equals( BASE_DIRECTORY ) )
+        {
+            try { m_baseDirectory = (File)value; }
+            catch( final ClassCastException cce )
+            {
+                throw new AntException( "Can not set baseDirectory to a non-file value.",
+                                        cce );
+            }
+        }
+
+        super.put( key, value );
+    }
+
+    /**
+     * Make sure property is valid if it is one of the "magic" properties.
+     *
+     * @param name the name of property
+     * @param value the value of proeprty
+     * @exception AntException if an error occurs
+     */
+    protected void checkPropertyValid( final String name, final Object value )
+        throws AntException
+    {
+        if( LOGGER.equals( name ) && !( value instanceof Logger ) )
+        {
+            throw new AntException( "property " + LOGGER +
+                                    " must have a value of type " + 
+                                    Logger.class.getName() );
+        }
+        else if( BASE_DIRECTORY.equals( name ) && !( value instanceof File ) )
+        {
+            throw new AntException( "Property " + BASE_DIRECTORY +
+                                    " must have a value of type " + 
+                                    File.class.getName() );
+        }
+        else if( NAME.equals( name ) && !( value instanceof String ) )
+        {
+            throw new AntException( "Property " + NAME +
+                                    " must have a value of type " + 
+                                    String.class.getName() );
+        }
+        else if( JAVA_VERSION.equals( name ) && !( value instanceof JavaVersion ) )
+        {
+            throw new AntException( "property " + JAVA_VERSION +
+                                    " must have a value of type " + 
+                                    JavaVersion.class.getName() );
+        }
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/JavaVersion.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet;
+
+import org.apache.avalon.util.ValuedEnum;
+
+/**
+ * Type safe wrapper class for Java Version enums.
+ */
+public final class JavaVersion
+    extends ValuedEnum
+{
+    //standard enums for version of JVM
+    public final static JavaVersion  JAVA1_0  = new JavaVersion( "Java 1.0", 100 );
+    public final static JavaVersion  JAVA1_1  = new JavaVersion( "Java 1.1", 110 );
+    public final static JavaVersion  JAVA1_2  = new JavaVersion( "Java 1.2", 120 );
+    public final static JavaVersion  JAVA1_3  = new JavaVersion( "Java 1.3", 130 );
+
+    private JavaVersion( final String name, final int value )
+    {
+        super( name, value );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/Tasklet.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet;
+
+import org.apache.avalon.Component;
+import org.apache.avalon.Contextualizable;
+
+/**
+ * This represents the individual tasks.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface Tasklet
+    extends Component, Contextualizable, Runnable
+{
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/TaskletContext.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet;
+
+import java.io.File;
+import org.apache.avalon.Context;
+import org.apache.avalon.util.Enum;
+import org.apache.avalon.util.ValuedEnum;
+import org.apache.log.Logger;
+
+/**
+ * This represents the *Context* in which a task can be executed.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface TaskletContext
+    extends Context
+{
+    //these values are used when setting properties to indicate the scope at
+    //which properties are set
+    ScopeEnum       CURRENT            = new ScopeEnum( "Current" );
+    ScopeEnum       PARENT             = new ScopeEnum( "Parent" );
+    ScopeEnum       TOP_LEVEL          = new ScopeEnum( "TopLevel" );
+
+    //these are the names of properties that every TaskContext must contain
+    String          JAVA_VERSION       = "ant.java.version";
+    String          BASE_DIRECTORY     = "ant.base.directory";
+    String          LOGGER             = "ant.logger";
+    String          NAME               = "ant.task.name";
+
+    /**
+     * Retrieve JavaVersion running under.
+     *
+     * @return the version of JVM
+     */
+    JavaVersion getJavaVersion();
+    
+    /**
+     * Retrieve Name of tasklet.
+     *
+     * @return the name
+     */
+    String getName();
+
+    /**
+     * Retrieve Logger associated with task.
+     *
+     * @return the logger
+     */
+    Logger getLogger();
+    
+    /**
+     * Retrieve base directory.
+     *
+     * @return the base directory
+     */
+    File getBaseDirectory();
+
+    /**
+     * Resolve filename. 
+     * This involves resolving it against baseDirectory and
+     * removing ../ and ./ references. It also means formatting 
+     * it appropriately for the particular OS (ie different OS have 
+     * different volumes, file conventions etc)
+     *
+     * @param filename the filename to resolve
+     * @return the resolved filename
+     */
+    String resolveFilename( String filename );
+
+    /**
+     * Resolve property. 
+     * This evaluates all property substitutions based on current context.
+     *
+     * @param property the property to resolve
+     * @return the resolved property
+     */
+    Object resolveValue( String property );
+
+    /**
+     * Retrieve property for name.
+     *
+     * @param name the name of property
+     * @return the value of property
+     */
+    Object getProperty( String name );
+
+    /**
+     * Set property value in current context.
+     *
+     * @param name the name of property
+     * @param value the value of property
+     */
+    void setProperty( String name, Object value );
+    
+    /**
+     * Set property value.
+     *
+     * @param name the name of property
+     * @param value the value of property
+     * @param scope the scope at which to set property
+     */
+    void setProperty( String name, Object value, ScopeEnum scope  );
+
+    /**
+     * Safe wrapper class for Scope enums.
+     */
+    final class ScopeEnum
+        extends Enum
+    {
+        ScopeEnum( final String name )
+        {
+            super( name );
+        }
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/DefaultTaskletConfigurer.java

@@ -0,0 +1,438 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Iterator;
+import org.apache.ant.configuration.Configurable;
+import org.apache.ant.configuration.Configuration;
+import org.apache.ant.convert.Converter;
+import org.apache.ant.convert.ConverterEntry;
+import org.apache.ant.convert.ConverterFactory;
+import org.apache.ant.convert.ConverterInfo;
+import org.apache.ant.convert.ConverterRegistry;
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.avalon.ComponentManager;
+import org.apache.avalon.ComponentNotAccessibleException;
+import org.apache.avalon.ComponentNotFoundException;
+import org.apache.avalon.Composer;
+import org.apache.avalon.ConfigurationException;
+import org.apache.avalon.Context;
+import org.apache.avalon.camelot.FactoryException;
+import org.apache.avalon.util.PropertyException;
+import org.apache.avalon.util.PropertyUtil;
+
+/**
+ * Class used to configure tasks.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultTaskletConfigurer
+    implements TaskletConfigurer, Composer
+{
+    protected final static String  RESERVED_ATTRIBUTES[] = 
+    {
+        "id"
+    };
+
+    protected final static String  RESERVED_ELEMENTS[] = 
+    {
+        "content"
+    };
+
+    protected ConverterRegistry    m_converterRegistry;
+    protected ConverterFactory     m_converterFactory;
+
+    public void compose( final ComponentManager componentManager )
+        throws ComponentNotFoundException, ComponentNotAccessibleException
+    {
+        m_converterRegistry = (ConverterRegistry)componentManager.
+            lookup( "org.apache.ant.convert.ConverterRegistry" );
+        m_converterFactory = (ConverterFactory)componentManager.
+            lookup( "org.apache.ant.convert.ConverterFactory" );
+    }
+
+    public void configure( final Tasklet tasklet, 
+                           final Configuration configuration,
+                           final Context context )
+        throws ConfigurationException
+    {
+        configure( (Object)tasklet, configuration, context );
+    }
+
+    public void configure( final Object object, 
+                           final Configuration configuration,
+                           final Context context )
+        throws ConfigurationException
+    {
+        if( object instanceof Configurable )
+        {
+            ((Configurable)object).configure( configuration );
+        }
+        else
+        {
+            final Iterator attributes = configuration.getAttributeNames();
+
+            while( attributes.hasNext() )
+            {
+                final String name = (String)attributes.next();
+                final String value = configuration.getAttribute( name );
+                configureAttribute( object, name, value, context );
+            }
+
+            final Iterator elements = configuration.getChildren();
+            
+            while( elements.hasNext() )
+            {
+                final Configuration element = (Configuration)elements.next();
+                configureElement( object, element, context );
+            }
+
+            final String content = configuration.getValue( null );
+
+            if( null != content )
+            {
+                if( !content.trim().equals( "" ) )
+                {
+                    configureContent( object, content, context );
+                }
+            }
+        }
+    }
+
+    protected void configureContent( final Object object, 
+                                     final String content,
+                                     final Context context )
+        throws ConfigurationException
+    {
+        setValue( object, "addContent", content, context );
+    }
+
+    protected void configureAttribute( final Object object, 
+                                       final String name, 
+                                       final String value,
+                                       final Context context )
+        throws ConfigurationException
+    {
+        for( int i = 0; i < RESERVED_ATTRIBUTES.length; i++ )
+        {
+            if( RESERVED_ATTRIBUTES[ i ].equals( name ) ) return;
+        }
+
+        final String methodName = getMethodNameFor( name );
+        setValue( object, methodName, value, context );
+    }
+
+    protected void setValue( final Object object, 
+                             final String methodName,
+                             final String value,
+                             final Context context )
+        throws ConfigurationException
+    {
+        // OMFG the rest of this is soooooooooooooooooooooooooooooooo
+        // slow. Need to cache results per class etc.
+
+        final Class clazz = object.getClass();
+        final Method methods[] = getMethodsFor( clazz, methodName );
+
+        if( 0 == methods.length )
+        {
+            throw new ConfigurationException( "Unable to set attribute via " + methodName + 
+                                              " due to not finding any appropriate " + 
+                                              "accessor method" );
+        }
+
+        setValue( object, value, context, methods );
+    }
+
+    protected void setValue( final Object object,
+                             final String value,
+                             final Context context,
+                             final Method methods[] )
+        throws ConfigurationException
+    {
+        try
+        {
+            final Object objectValue = 
+                PropertyUtil.resolveProperty( value, context, false );
+
+            setValue( object, objectValue, methods );
+        }
+        catch( final PropertyException pe )
+        {
+            throw new ConfigurationException( "Error resolving property " + value,
+                                              pe );
+        }
+    }
+
+    protected void setValue( final Object object, Object value, final Method methods[] )
+        throws ConfigurationException
+    {
+        final Class sourceClass = value.getClass();
+        final String source = sourceClass.getName();
+
+        for( int i = 0; i < methods.length; i++ )
+        {
+            if( setValue( object, value, methods[ i ], sourceClass, source ) )
+            {
+                return;
+            }
+        }
+        
+        throw new ConfigurationException( "Unable to set attribute via " + 
+                                          methods[ 0 ].getName() + " as could not convert " + 
+                                          source + " to a matching type" );
+    }
+
+    protected boolean setValue( final Object object, 
+                                Object value, 
+                                final Method method,
+                                final Class sourceClass,
+                                final String source )
+        throws ConfigurationException
+    {
+        Class parameterType = method.getParameterTypes()[ 0 ];
+        if( parameterType.isPrimitive() )
+        {
+            parameterType = getComplexTypeFor( parameterType );
+        }
+        
+        if( !parameterType.isAssignableFrom( sourceClass ) )
+        {
+            final String destination = parameterType.getName();
+            
+            try
+            {
+                final ConverterInfo info = m_converterRegistry.
+                    getConverterInfo( source, destination );
+                
+                if( null == info ) return false;
+              
+                final ConverterEntry entry = m_converterFactory.create( info );
+                final Converter converter = entry.getConverter();
+                value = converter.convert( parameterType, value );
+            }
+            catch( final FactoryException fe )
+            {
+                throw new ConfigurationException( "Badly configured ConverterFactory ",
+                                                  fe );
+            }
+            catch( final Exception e )
+            {
+                throw new ConfigurationException( "Error converting attribute for " + 
+                                                  method.getName(),
+                                                  e );
+            }
+        }
+        
+        try
+        {
+            method.invoke( object, new Object[] { value } );
+        }
+        catch( final IllegalAccessException iae )
+        {
+            //should never happen ....
+            throw new ConfigurationException( "Error retrieving methods with " + 
+                                              "correct access specifiers",
+                                              iae );
+        }
+        catch( final InvocationTargetException ite )
+        {
+            throw new ConfigurationException( "Error calling method attribute " + 
+                                              method.getName(),
+                                              ite );
+        }
+
+        return true;
+    }
+
+    protected Class getComplexTypeFor( final Class clazz )
+    {
+        if( String.class == clazz ) return String.class;
+        else if( Integer.TYPE.equals( clazz ) ) return Integer.class;
+        else if( Long.TYPE.equals( clazz ) ) return Long.class;
+        else if( Short.TYPE.equals( clazz ) ) return Short.class;
+        else if( Byte.TYPE.equals( clazz ) ) return Byte.class;
+        else if( Boolean.TYPE.equals( clazz ) ) return Boolean.class;
+        else if( Float.TYPE.equals( clazz ) ) return Float.class;
+        else if( Double.TYPE.equals( clazz ) ) return Double.class;
+        else
+        {
+            throw new IllegalArgumentException( "Can not get complex type for non-primitive " +
+                                                "type " + clazz.getName() );
+        }
+    }
+
+    protected Method[] getMethodsFor( final Class clazz, final String methodName )
+    {
+        final Method methods[] = clazz.getMethods();
+        final ArrayList matches = new ArrayList();
+        
+        for( int i = 0; i < methods.length; i++ )
+        {
+            final Method method = methods[ i ];
+            if( methodName.equals( method.getName() ) && 
+                Method.PUBLIC == (method.getModifiers() & Method.PUBLIC) )
+            {
+                if( method.getReturnType().equals( Void.TYPE ) )
+                {
+                    final Class parameters[] = method.getParameterTypes();
+                    if( 1 == parameters.length )
+                    {
+                        matches.add( method );
+                    }
+                }
+            }
+        }
+
+        return (Method[])matches.toArray( new Method[0] );
+    }
+
+    protected Method[] getCreateMethodsFor( final Class clazz, final String methodName )
+    {
+        final Method methods[] = clazz.getMethods();
+        final ArrayList matches = new ArrayList();
+        
+        for( int i = 0; i < methods.length; i++ )
+        {
+            final Method method = methods[ i ];
+            if( methodName.equals( method.getName() ) && 
+                Method.PUBLIC == (method.getModifiers() & Method.PUBLIC) )
+            {
+                final Class returnType = method.getReturnType();
+                if( !returnType.equals( Void.TYPE ) &&
+                    !returnType.isPrimitive() )
+                {
+                    final Class parameters[] = method.getParameterTypes();
+                    if( 0 == parameters.length )
+                    {
+                        matches.add( method );
+                    }
+                }
+            }
+        }
+
+        return (Method[])matches.toArray( new Method[0] );
+    }
+
+    protected String getMethodNameFor( final String attribute )
+    {
+        return "set" + getJavaNameFor( attribute );
+    }
+
+    protected String getJavaNameFor( final String name )
+    {
+        final StringBuffer sb = new StringBuffer();
+        
+        int index = name.indexOf( '-' );
+        int last = 0;
+        
+        while( -1 != index )
+        {
+            final String word = name.substring( last, index ).toLowerCase();
+            sb.append( Character.toUpperCase( word.charAt( 0 ) ) );
+            sb.append( word.substring( 1, word.length() ) );
+            last = index + 1;
+            index = name.indexOf( '-', last );
+        }
+        
+        index = name.length();
+        final String word = name.substring( last, index ).toLowerCase();
+        sb.append( Character.toUpperCase( word.charAt( 0 ) ) );
+        sb.append( word.substring( 1, word.length() ) );
+        
+        return sb.toString();
+    }    
+
+    protected void configureElement( final Object object, 
+                                     final Configuration configuration,
+                                     final Context context )
+        throws ConfigurationException
+    {
+        final String name = configuration.getName();
+
+        for( int i = 0; i < RESERVED_ELEMENTS.length; i++ )
+        {
+            if( RESERVED_ATTRIBUTES[ i ].equals( name ) ) return;
+        }
+
+        final String javaName = getJavaNameFor( name );
+
+        // OMFG the rest of this is soooooooooooooooooooooooooooooooo
+        // slow. Need to cache results per class etc.
+        final Class clazz = object.getClass();
+        Method methods[] = getMethodsFor( clazz, "add" + javaName );
+        
+        if( 0 != methods.length )
+        {
+            //guess it is first method ????
+            addElement( object, methods[ 0 ], configuration, context );
+        }
+        else
+        {
+            methods = getCreateMethodsFor( clazz, "create" + javaName );
+
+            if( 0 == methods.length )
+            {
+                throw new ConfigurationException( "Unable to set attribute " + javaName + 
+                                                  " due to not finding any appropriate " + 
+                                                  "accessor method" );
+            }
+
+            //guess it is first method ????
+            createElement( object, methods[ 0 ], configuration, context );
+        }
+    }
+
+    protected void createElement( final Object object, 
+                                  final Method method,
+                                  final Configuration configuration,
+                                  final Context context )
+        throws ConfigurationException
+    {
+        try
+        {
+            final Object created = method.invoke( object, new Object[ 0 ] );
+            configure( created, configuration, context );
+        }
+        catch( final ConfigurationException ce )
+        {
+            throw ce;
+        }
+        catch( final Exception e )
+        {
+            throw new ConfigurationException( "Error creating sub-element", e );
+        }
+    }
+
+    protected void addElement( final Object object, 
+                               final Method method,
+                               final Configuration configuration,
+                               final Context context )
+        throws ConfigurationException
+    {
+        try
+        {
+            final Class clazz = method.getParameterTypes()[ 0 ];
+            final Object created = clazz.newInstance();
+
+            configure( created, configuration, context );
+            method.invoke( object, new Object[] { created } );
+        }
+        catch( final ConfigurationException ce )
+        {
+            throw ce;
+        }
+        catch( final Exception e )
+        {
+            throw new ConfigurationException( "Error creating sub-element", e );
+        }
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/DefaultTaskletEngine.java

@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.util.HashMap;
+import org.apache.ant.AntException;
+import org.apache.ant.configuration.Configurable;
+import org.apache.ant.configuration.Configuration;
+import org.apache.ant.convert.ConverterFactory;
+import org.apache.ant.convert.ConverterRegistry;
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.ant.tasklet.TaskletContext;
+import org.apache.avalon.ComponentManager;
+import org.apache.avalon.ComponentNotAccessibleException;
+import org.apache.avalon.ComponentNotFoundException;
+import org.apache.avalon.Composer;
+import org.apache.avalon.Context;
+import org.apache.avalon.Contextualizable;
+import org.apache.avalon.DefaultComponentManager;
+import org.apache.avalon.Disposable;
+import org.apache.avalon.Initializable;
+import org.apache.avalon.camelot.FactoryException;
+import org.apache.avalon.camelot.RegistryException;
+import org.apache.log.Logger;
+
+public class DefaultTaskletEngine
+    implements TaskletEngine, Initializable
+{
+    protected ComponentManager     m_componentManager;
+    protected TaskletContext       m_context;
+    protected TaskletFactory       m_taskletFactory;
+    protected ConverterFactory     m_converterFactory;
+    protected TaskletRegistry      m_taskletRegistry;
+    protected ConverterRegistry    m_converterRegistry;
+    protected TaskletConfigurer    m_configurer;
+    protected Logger               m_logger;
+
+    public void contextualize( final Context context )
+    {
+        m_context = (TaskletContext)context;
+        m_logger = m_context.getLogger();
+    }
+
+    public void compose( final ComponentManager componentManager )
+        throws ComponentNotFoundException, ComponentNotAccessibleException
+    {
+        m_componentManager = componentManager;
+        m_taskletRegistry = (TaskletRegistry)componentManager.
+            lookup( "org.apache.ant.tasklet.engine.TaskletRegistry" );
+        m_converterRegistry = (ConverterRegistry)componentManager.
+            lookup( "org.apache.ant.convert.ConverterRegistry" );
+    }
+
+    public void init()
+        throws Exception
+    {
+        m_taskletFactory = createTaskletFactory();
+        m_converterFactory =  createConverterFactory();
+        m_configurer = createTaskletConfigurer();
+
+        if( m_configurer instanceof Composer )
+        {
+            final DefaultComponentManager componentManager = 
+                new DefaultComponentManager( m_componentManager );
+            componentManager.put( "org.apache.ant.convert.ConverterFactory", 
+                                  m_converterFactory );
+
+            ((Composer)m_configurer).compose( componentManager );
+        }
+
+        if( m_configurer instanceof Initializable )
+        {
+            ((Initializable)m_configurer).init();
+        }
+    }
+
+    protected TaskletConfigurer createTaskletConfigurer()
+    {
+        return new DefaultTaskletConfigurer();
+    }
+
+    protected TaskletFactory createTaskletFactory()
+    {
+        return new DefaultTaskletFactory();
+    }
+
+    protected ConverterFactory createConverterFactory()
+    {
+        return (ConverterFactory)m_taskletFactory;
+    }
+
+    public void execute( final Configuration task )
+        throws AntException
+    {
+        final Tasklet tasklet = createTasklet( task );
+
+        final String name = task.getName();
+        m_logger.debug( "Created task " + name );
+
+        doContextualize( tasklet, task );
+        m_logger.debug( "Contextualized task " + name );
+
+        doCompose( tasklet, task );
+        m_logger.debug( "Composed task " + name );
+
+        doConfigure( tasklet, task );
+        m_logger.debug( "Configured task " + name );
+
+        doInitialize( tasklet, task );
+        m_logger.debug( "Initialize task " + name );
+
+        tasklet.run();
+        m_logger.debug( "Ran task " + name );
+
+        doDispose( tasklet, task );
+        m_logger.debug( "Dispose task " + name );
+    }
+
+    protected void doConfigure( final Tasklet tasklet, final Configuration task )
+        throws AntException
+    {
+        try { m_configurer.configure( tasklet, task, m_context ); }
+        catch( final Throwable throwable )
+        {
+            throw new AntException( "Error configuring task " +  task.getName() + " at " +
+                                    task.getLocation() + "(Reason: " + 
+                                    throwable.getMessage() + ")", throwable );
+        }
+    }
+
+    protected TaskletContext getContextFor( final String name )
+    {
+        //If we are single threaded we really don't need to have a new object
+        //for context ... if we are not single threaded then we need to create new 
+        //context. Alternatively we could remove getName from TaskletContext        
+
+        //final DefaultTaskletContext context = new DefaultTaskletContext( m_context );
+        m_context.setProperty( TaskletContext.NAME, name );
+        return m_context;
+    }
+    
+    protected void doCompose( final Tasklet tasklet, final Configuration task )
+        throws AntException
+    {
+        if( tasklet instanceof Composer )
+        {
+            try { ((Composer)tasklet).compose( m_componentManager ); }
+            catch( final Throwable throwable )
+            {
+                throw new AntException( "Error composing task " +  task.getName() + " at " +
+                                        task.getLocation() + "(Reason: " + 
+                                        throwable.getMessage() + ")", throwable );            
+            }
+        }
+    }
+
+    protected void doContextualize( final Tasklet tasklet, final Configuration task )
+        throws AntException
+    {
+        final TaskletContext context = getContextFor( task.getName() );
+
+        try { tasklet.contextualize( context ); }
+        catch( final Throwable throwable )
+        {
+            throw new AntException( "Error contextualizing task " +  task.getName() + " at " +
+                                    task.getLocation() + "(Reason: " + 
+                                    throwable.getMessage() + ")", throwable );            
+        }
+    }
+
+    protected void doDispose( final Tasklet tasklet, final Configuration task )
+        throws AntException
+    {
+        if( tasklet instanceof Disposable )
+        {
+            try { ((Disposable)tasklet).dispose(); }
+            catch( final Throwable throwable )
+            {
+                throw new AntException( "Error disposing task " +  task.getName() + " at " +
+                                        task.getLocation() + "(Reason: " + 
+                                        throwable.getMessage() + ")", throwable );
+            }
+        }
+    }
+
+    protected void doInitialize( final Tasklet tasklet, final Configuration task )
+        throws AntException
+    {
+        if( tasklet instanceof Initializable )
+        {
+            try { ((Initializable)tasklet).init(); }
+            catch( final Throwable throwable )
+            {
+                throw new AntException( "Error initializing task " +  task.getName() + " at " +
+                                        task.getLocation() + "(Reason: " +
+                                        throwable.getMessage() + ")", throwable );
+            }
+        }
+    }
+
+    protected Tasklet createTasklet( final Configuration configuration )
+        throws AntException
+    {
+        final String name = configuration.getName();
+        TaskletInfo info = null;
+
+        try { info = (TaskletInfo)m_taskletRegistry.getInfo( name ); }
+        catch( final RegistryException re )
+        {
+            throw new AntException( "Unable to locate task " + name, re );
+        }
+
+        TaskletEntry entry = null;
+
+        try { entry = m_taskletFactory.create( info ); }
+        catch( final FactoryException fe )
+        {
+            throw new AntException( "Unable to create task " + name + 
+                                    " (of type " + info.getClassname() + " from " +
+                                    info.getLocation() + ")",
+                                    fe );
+        }
+        
+        return entry.getTasklet();
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/DefaultTaskletFactory.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.HashMap;
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.ant.convert.ConverterLoader;
+import org.apache.ant.convert.DefaultConverterFactory;
+import org.apache.avalon.camelot.Entry;
+import org.apache.avalon.camelot.Factory;
+import org.apache.avalon.camelot.FactoryException;
+import org.apache.avalon.camelot.Info;
+
+/**
+ * Facility used to load Tasklets.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultTaskletFactory
+    extends DefaultConverterFactory
+    implements TaskletFactory
+{
+    public Entry create( final Info info )
+        throws FactoryException
+    {
+        if( !info.getClass().equals( TaskletInfo.class ) )
+        {
+            return super.create( info );
+        }
+        else
+        {
+            return create( (TaskletInfo)info );
+        }
+    }
+
+    public TaskletEntry create( final TaskletInfo info )
+        throws FactoryException
+    {
+        final TaskletLoader loader = (TaskletLoader)getLoader( info.getLocation() );
+
+        Object object = null;
+        
+        try { object = loader.load( info.getClassname() ); }
+        catch( final Exception e )
+        {
+            throw new FactoryException( "Failed loading tasklet from " + info.getLocation() +
+                                        " due to " + e, e );
+        }
+        
+        return new TaskletEntry( info, (Tasklet)object );        
+    }
+
+    protected ConverterLoader createLoader( final URL location )
+    {
+        if( null != location ) return new DefaultTaskletLoader( location );
+        else return new DefaultTaskletLoader();
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/DefaultTaskletInfo.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.net.URL;
+import org.apache.avalon.camelot.Info;
+
+/**
+ * This is default container of information about a task. 
+ * A BeanInfo equivelent for a task. Eventually it will auto-magically
+ * generate a schema via reflection for Validator/Editor tools.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultTaskletInfo
+    implements TaskletInfo
+{
+    protected final String        m_classname;
+    protected final URL           m_location;
+
+    /**
+     * Constructor that takes classname and taskLibraryLocation.
+     */
+    public DefaultTaskletInfo( final String classname, final URL location )
+    {
+        m_location = location;
+        m_classname = classname;
+    }
+
+    /**
+     * Retrieve classname for task.
+     *
+     * @return the taskname
+     */
+    public String getClassname()
+    {    
+        return m_classname;
+    }
+
+    /**
+     * Retrieve tasklib location from which task is loaded.
+     *
+     * @return the location
+     */
+    public URL getLocation()
+    {
+        return m_location;
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/DefaultTaskletLoader.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.net.URL;
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.ant.convert.DefaultConverterLoader;
+
+/**
+ * Class used to load tasks et al from a source.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class DefaultTaskletLoader
+    extends DefaultConverterLoader
+    implements TaskletLoader
+{
+    public DefaultTaskletLoader()
+    {
+    }
+
+    public DefaultTaskletLoader( final URL location )
+    {
+        super( location );
+    }
+
+    public Tasklet loadTasklet( final String tasklet )
+        throws Exception
+    {
+        return (Tasklet)load( tasklet );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/DefaultTaskletRegistry.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.avalon.camelot.AbstractRegistry;
+
+public class DefaultTaskletRegistry
+    extends AbstractRegistry
+    implements TaskletRegistry
+{
+    protected Class getInfoClass()
+    {
+        return TaskletInfo.class;
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletConfigurer.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.ant.configuration.Configuration;
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.avalon.ConfigurationException;
+import org.apache.avalon.Context;
+
+/**
+ * Class used to configure tasks.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface TaskletConfigurer
+{
+    void configure( Tasklet tasklet, Configuration configuration, Context context )
+        throws ConfigurationException;
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletEngine.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.ant.AntException;
+import org.apache.ant.configuration.Configuration;
+import org.apache.avalon.Composer;
+import org.apache.avalon.Contextualizable;
+ 
+public interface TaskletEngine
+    extends Contextualizable, Composer
+{
+    void execute( final Configuration task )
+        throws AntException;
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletEntry.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.avalon.camelot.AbstractEntry;
+
+public class TaskletEntry
+    extends AbstractEntry
+{
+    public TaskletEntry( final TaskletInfo info, final Tasklet tasklet )
+    {
+        super( info, tasklet );
+    }
+
+    /**
+     * Retrieve instance of tasklet.
+     *
+     * @return the component instance
+     */
+    public Tasklet getTasklet()
+    {
+        return (Tasklet)getInstance();
+    }
+}
+

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletFactory.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.avalon.camelot.Factory;
+import org.apache.avalon.camelot.FactoryException;
+
+/**
+ * Facility used to load Tasklets.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface TaskletFactory
+    extends Factory
+{
+    TaskletEntry create( TaskletInfo info ) 
+        throws FactoryException;
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletInfo.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.net.URL;
+import org.apache.avalon.camelot.Info;
+
+/**
+ * This is information about a task. 
+ * A BeanInfo equivelent for a task. Eventually it will auto-magically
+ * generate a schema via reflection for Validator/Editor tools.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface TaskletInfo
+    extends Info
+{
+    /**
+     * Retrieve classname for task.
+     *
+     * @return the taskname
+     */
+    String getClassname();
+
+    /**
+     * Retrieve location of task library where task is contained.
+     *
+     * @return the location of task library
+     */
+    URL getLocation();
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletLoader.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.ant.tasklet.Tasklet;
+import org.apache.avalon.camelot.Loader;
+
+/**
+ * Class used to load tasks et al from a source.
+ * 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface TaskletLoader
+    extends Loader
+{
+    Tasklet loadTasklet( String tasklet )
+        throws Exception;
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TaskletRegistry.java

@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import org.apache.avalon.camelot.Registry;
+
+public interface TaskletRegistry
+    extends Registry
+{
+}

proposal/myrmidon/src/java/org/apache/ant/tasklet/engine/TskDeployer.java

@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet.engine;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.Properties;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
+import java.util.zip.ZipFile;
+import org.apache.ant.tasklet.engine.DefaultTaskletInfo;
+import org.apache.ant.convert.ConverterRegistry;
+import org.apache.ant.convert.DefaultConverterInfo;
+import org.apache.avalon.Component;
+import org.apache.avalon.camelot.AbstractDeployer;
+import org.apache.avalon.camelot.DeploymentException;
+import org.apache.avalon.camelot.RegistryException;
+import org.apache.log.Logger;
+
+/**
+ * This class deploys a .tsk file into a registry.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class TskDeployer
+    extends AbstractDeployer
+{
+    protected final static String   TASKDEF_FILE     = "TASK-LIB/taskdefs.properties";
+    protected final static String   CONVERTER_FILE   = "TASK-LIB/converters.properties";
+
+    protected TaskletRegistry       m_taskletRegistry;
+    protected ConverterRegistry     m_converterRegistry;
+
+    public TskDeployer( final TaskletRegistry taskletRegistry, 
+                        final ConverterRegistry converterRegistry )
+    {
+        m_taskletRegistry = taskletRegistry;
+        m_converterRegistry = converterRegistry;
+        m_autoUndeploy = true;
+        m_type = "Tasklet";
+    }
+
+    public void setLogger( final Logger logger )
+    {
+        m_logger = logger;
+    }
+
+    protected boolean isValidLocation( final String location )
+    {
+        //TODO: Make sure it is valid JavaIdentifier 
+        //that optionally has '-' embedded in it
+        return true;
+    }
+    
+    /**
+     * Deploy Tasklets from a .tsk file.
+     * Eventually this should be cached for performance reasons.
+     *
+     * @param location the location 
+     * @param file the file
+     * @exception DeploymentException if an error occurs
+     */
+    protected void deployFromFile( final String location, final File file )
+        throws DeploymentException
+    {
+        m_logger.info( "Deploying .tsk file (" + file + ") as " + location );
+
+        ZipFile zipFile = null;
+
+        try { zipFile = new ZipFile( file ); }
+        catch( final IOException ioe )
+        {
+            throw new DeploymentException( "Error opening " + file + 
+                                           " due to " + ioe.getMessage(),
+                                           ioe );
+        }
+
+        try
+        {
+            final Properties taskdefs = loadProperties( zipFile, TASKDEF_FILE );
+            final Properties converters = loadProperties( zipFile, CONVERTER_FILE );
+
+            try { zipFile.close(); }
+            catch( final IOException ioe ) {}
+
+            URL url = null;
+
+            try { url = file.toURL(); }
+            catch( final MalformedURLException mue ) {}
+
+            handleTaskdefs( taskdefs, url );
+            handleConverters( converters, url );
+        }
+        catch( final DeploymentException de )
+        {
+            try { zipFile.close(); }
+            catch( final IOException ioe ) {}
+
+            throw de;
+        }
+    }
+
+    protected void handleConverters( final Properties properties, final URL url )
+        throws DeploymentException
+    {
+        final Enumeration enum = properties.propertyNames();
+        
+        while( enum.hasMoreElements() )
+        {
+            final String key = (String)enum.nextElement();
+            final String value = (String)properties.get( key );
+            final int index = value.indexOf( ',' );
+
+            if( -1 == index )
+            {
+                throw new DeploymentException( "Malformed converter definition (" + 
+                                               key + ")" );
+            }
+            
+            final String source = value.substring( 0, index ).trim();
+            final String destination = value.substring( index + 1 ).trim();
+
+            final DefaultConverterInfo info = 
+                new DefaultConverterInfo( source, destination, key, url );
+            
+            try { m_converterRegistry.register( key, info ); }
+            catch( final RegistryException re )
+            {
+                throw new DeploymentException( "Error registering converter " + 
+                                               key + " due to " + re,
+                                               re );
+            }
+        }
+    }   
+     
+    protected void handleTaskdefs( final Properties properties, final URL url )
+        throws DeploymentException
+    {
+        final Enumeration enum = properties.propertyNames();
+        
+        while( enum.hasMoreElements() )
+        {
+            final String key = (String)enum.nextElement();
+            final String value = (String)properties.get( key );
+            final DefaultTaskletInfo info = new DefaultTaskletInfo( value, url );
+                    
+            try { m_taskletRegistry.register( key, info ); }
+            catch( final RegistryException re )
+            {
+                throw new DeploymentException( "Error registering " + key + " due to " + re,
+                                               re );
+            }
+        }
+    }
+
+    protected Properties loadProperties( final ZipFile zipFile, final String filename )
+        throws DeploymentException
+    {
+        final ZipEntry entry = zipFile.getEntry( filename );
+        if( null == entry )
+        {
+            throw new DeploymentException( "Unable to locate " + filename + 
+                                           " in " + zipFile.getName() );
+        }
+        
+        Properties properties = new Properties();
+        
+        try
+        {
+            properties.load( zipFile.getInputStream( entry ) );
+        }
+        catch( final IOException ioe )
+        {
+            throw new DeploymentException( "Error reading " + filename + 
+                                           " from " + zipFile.getName(),
+                                           ioe );
+        }
+
+        return properties;
+    }
+    
+    protected boolean canUndeploy( final Component component )
+        throws DeploymentException
+    {
+        return true;
+    }
+    
+    protected void shutdownDeployment( final Component component )
+        throws DeploymentException
+    {
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/ConfigurationTest.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasks.core;
+
+import org.apache.ant.AntException;
+import org.apache.ant.configuration.Configurable;
+import org.apache.ant.configuration.Configuration;
+import org.apache.ant.tasklet.AbstractTasklet;
+import org.apache.avalon.ConfigurationException;
+
+/**
+ * This is abstract base class for tasklets.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class ConfigurationTest 
+    extends AbstractTasklet
+    implements Configurable
+{
+    protected String              m_message;
+
+    public void configure( final Configuration configuration )
+        throws ConfigurationException
+    {
+        String message = configuration.getAttribute( "message" );
+        final Object object = getContext().resolveValue( message );
+        if( object instanceof String )
+        {
+            m_message = (String)object;
+        }
+        else
+        {
+            m_message = object.toString();
+        }
+    }
+
+    public void run()
+        throws AntException
+    {
+        getLogger().info( m_message );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/ContentTest.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasks.core;
+
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+
+/**
+ * This is abstract base class for tasklets.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class ContentTest 
+    extends AbstractTasklet
+{
+    public void addContent( final Integer value )
+    {
+        getLogger().info( "Integer content: " + value );
+    }
+
+    /*
+      public void addContent( final String blah )
+      {
+      System.out.println( "String: " + blah );
+      }
+    */
+
+    public void run()
+        throws AntException
+    {
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/Echo.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasks.core;
+
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+
+/**
+ * This is abstract base class for tasklets.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class Echo 
+    extends AbstractTasklet
+{
+    protected String              m_message;
+
+    public void setMessage( final String message )
+    {
+        m_message = message;
+    }
+
+    public void run()
+        throws AntException
+    {
+        getLogger().info( m_message );
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/PrimitiveTypesTest.java

@@ -0,0 +1,90 @@
+
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasks.core;
+
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+
+/**
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class PrimitiveTypesTest 
+    extends AbstractTasklet
+{
+    public void setInteger( final Integer value )
+    {
+        getLogger().info( "setInteger( " + value + " );" );
+    }
+    
+    public void setInteger2( final int value )
+    {
+        getLogger().info( "setInteger2( " + value + " );" );
+    }
+
+    public void setShort( final Short value )
+    {
+        getLogger().info( "setShort( " + value + " );" );
+    }
+    
+    public void setShort2( final short value )
+    {
+        getLogger().info( "setShort2( " + value + " );" );
+    }
+
+    public void setByte( final Byte value )
+    {
+        getLogger().info( "setByte( " + value + " );" );
+    }
+    
+    public void setByte2( final byte value )
+    {
+        getLogger().info( "setByte2( " + value + " );" );
+    }
+
+    public void setLong( final Long value )
+    {
+        getLogger().info( "setLong( " + value + " );" );
+    }
+    
+    public void setLong2( final long value )
+    {
+        getLogger().info( "setLong2( " + value + " );" );
+    }
+    
+    public void setFloat( final Float value )
+    {
+        getLogger().info( "setFloat( " + value + " );" );
+    }
+    
+    public void setFloat2( final float value )
+    {
+        getLogger().info( "setFloat2( " + value + " );" );
+    }
+    
+    public void setDouble( final Double value )
+    {
+        getLogger().info( "setDouble( " + value + " );" );
+    }
+    
+    public void setDouble2( final double value )
+    {
+        getLogger().info( "setDouble2( " + value + " );" );
+    }
+
+    public void setString( final String value )
+    {
+        getLogger().info( "setString( " + value + " );" );
+    }
+
+    public void run()
+        throws AntException
+    {
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/Property.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasks.core;
+
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+import org.apache.ant.tasklet.TaskletContext;
+
+/**
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class Property 
+    extends AbstractTasklet
+{
+    protected String              m_name;
+    protected String              m_value;
+    protected boolean             m_localScope     = true;
+
+    public void setName( final String name )
+    {
+        m_name = name;
+    }
+    
+    public void setValue( final String value )
+    {
+        m_value = value;
+    }
+    
+    public void setLocalScope( final boolean localScope )
+    {
+        m_localScope = localScope;
+    }
+
+    public void run()
+        throws AntException
+    {
+        if( null == m_name )
+        {
+            throw new AntException( "Name must be specified" );
+        }
+
+        if( null == m_value )
+        {
+            throw new AntException( "Value must be specified" );
+        }
+
+        final TaskletContext context = getContext();
+        final Object value = context.resolveValue( m_value );
+
+        if( m_localScope )
+        {
+            context.setProperty( m_name, value );
+        }
+        else
+        {
+            context.setProperty( m_name, value, TaskletContext.PARENT );
+        }
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/SubElementTest.java

@@ -0,0 +1,43 @@
+
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasks.core;
+
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+
+/**
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class SubElementTest 
+    extends AbstractTasklet
+{
+    public static final class Beep
+    {
+        public void setMessage( final String string )
+        {
+            System.out.println( string );
+        }
+    }
+
+    public Beep createCreateBeep()
+    {
+        System.out.println( "createCreateBeep()" );
+        return new Beep();
+    }
+
+    public void addAddBeep( final Beep beep )
+    {
+        System.out.println( "addBeeper(" + beep + ");" );
+    }
+
+    public void run()
+        throws AntException
+    {
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/tasks/core/taskdefs.properties

@@ -0,0 +1,7 @@
+# TASK-LIB/taskdefs.properties
+echo=org.apache.ant.tasks.core.Echo
+prim-test=org.apache.ant.tasks.core.PrimitiveTypesTest
+sub-elements-test=org.apache.ant.tasks.core.SubElementTest
+conf-test=org.apache.ant.tasks.core.ConfigurationTest
+content-test=org.apache.ant.tasks.core.ContentTest
+property=org.apache.ant.tasks.core.Property

proposal/myrmidon/src/make/sample.xmk

@@ -0,0 +1,69 @@
+<?xml version="1.0"?>
+
+<!--
+==============================================================================
+
+ Sample build file
+
+Authors:
+ Peter Donald <donaldp@apache.org>
+
+Legal:
+  Copyright (c) 2000 The Apache Software Foundation. All Rights Reserved.
+
+==============================================================================
+-->
+
+<project name="MySample" default="main" basedir=".">
+
+  <property name="year" value="2000"/>
+
+  <target name="main" depends="property-test" />
+
+  <!--
+       ===================================================================
+                                  Help on usage
+       ===================================================================
+  -->
+  <target name="option-test">
+
+    <prim-test
+        integer="1"
+        integer2="2"
+        short="3"
+        short2="4"
+        long="5"
+        long2="6"
+        byte="7"
+        byte2="8"
+        string="aString"
+        float="1.0"
+        float2="2.0"
+        double="3.0"
+        double2="4.0"
+     />
+
+    <sub-elements-test>
+      <create-beep message="Evaluation of ant.install.dir=${ant.install.dir}" />
+      <add-beep message="Evaluation of ant.install.lib=${ant.install.lib}" />
+    </sub-elements-test>
+
+    <conf-test message="Test of configuration=${ant.install.lib}" />
+    
+    <content-test>123</content-test>
+    
+  </target>
+
+  <target name="property-test">
+    <property name="blah" value="fred" />
+    <property name="${blah}" value="barney" />
+
+    <echo message="Doing the funky Echo with ${blah} ${fred} Year=${year}!"/>
+  </target>
+
+  <target name="property-test2">
+    <echo message="This should fail ...."/>
+    <echo message="${blah}"/>
+  </target>
+
+</project>

proposal/myrmidon/src/script/ant

@@ -0,0 +1,58 @@
+#!/bin/sh
+
+if [ -f $HOME/.antrc ] ; then 
+  . $HOME/.antrc
+fi
+
+# Cygwin support.
+if [ "$OSTYPE" == "cygwin32" ] || [ "$OSTYPE" = "cygwin" ]; then
+
+  if [ ! "$JAVA_HOME" = "" ]; then
+    JAVA_HOME=`cygpath --path --unix $JAVA_HOME`
+  fi
+fi
+
+## resolve links - $0 may be a link to ant's home
+PRG=$0
+progname=`basename $0`
+  
+while [ -h "$PRG" ] ; do
+  ls=`ls -ld "$PRG"`
+  link=`expr "$ls" : '.*-> \(.*\)$'`
+  if expr "$link" : '.*/.*' > /dev/null; then
+    PRG="$link"
+  else
+    PRG="`dirname $PRG`/$link"
+  fi
+done
+  
+ANT_HOME=`dirname "$PRG"`/..
+
+# Allow .antrc to specifiy flags to java cmd
+if [ "$JAVACMD" = "" ] ; then 
+  JAVACMD=java
+fi
+
+LOCALCLASSPATH=`echo $ANT_HOME/lib/*.jar | tr ' ' ':'`
+
+if [ "$CLASSPATH" != "" ] ; then
+  LOCALCLASSPATH=$CLASSPATH:$LOCALCLASSPATH
+fi
+
+if [ "$JAVA_HOME" != "" ] ; then
+  if test -f $JAVA_HOME/lib/tools.jar ; then
+    LOCALCLASSPATH=$LOCALCLASSPATH:$JAVA_HOME/lib/tools.jar
+  fi
+else
+  echo "Warning: JAVA_HOME environment variable is not set."
+  echo "  If build fails because sun.* classes could not be found"
+  echo "  you will need to set the JAVA_HOME environment variable"
+  echo "  to the installation directory of java."
+fi
+
+# More Cygwin support
+if [ "$OSTYPE" == "cygwin32" ] || [ "$OSTYPE" = "cygwin" ] ; then
+  LOCALCLASSPATH=`cygpath --path --windows "$LOCALCLASSPATH"`
+fi
+
+$JAVACMD -classpath $LOCALCLASSPATH $ANT_OPTS org.apache.ant.Main --ant-home=${ANT_HOME} $@

proposal/myrmidon/src/script/ant.bat

@@ -0,0 +1,35 @@
+@echo off
+
+:checkJava
+if "%JAVACMD%" == "" set JAVACMD=%JAVA_HOME%\bin\java
+if not "%JAVA_HOME%" == "" goto setupClasspath
+
+echo.
+echo Warning: JAVA_HOME environment variable is not set.
+echo   If build fails because sun.* classes could not be found
+echo   you will need to set the JAVA_HOME environment variable
+echo   to the installation directory of java.
+echo.
+goto end
+
+:setupClasspath
+set LOCALCLASSPATH=lib\xerces.jar;lib\ant.jar;lib\avalonapi.jar;%JAVA_HOME%\lib\tools.jar
+
+set THIS_FILE=%0
+
+set ANT_CMD_LINE_ARGS=
+
+rem Slurp all args...
+:setupArgs
+if "%0" == "" goto doneArgs
+set ANT_CMD_LINE_ARGS=%ANT_CMD_LINE_ARGS% %1
+shift
+goto setupArgs
+
+:doneArgs
+rem Mmmmmm tasty - finished slurping args
+
+%JAVACMD% -classpath "%LOCALCLASSPATH%" %ANT_OPTS% org.apache.ant.Main "--bin-dir=%THIS_FILE%" %ANT_CMD_LINE_ARGS%
+
+:end
+set LOCALCLASSPATH=

proposal/myrmidon/src/script/antRun

@@ -0,0 +1,9 @@
+#! /bin/sh
+
+# Args: DIR command
+cd "$1"
+CMD="$2"
+shift
+shift
+
+exec $CMD "$@"

proposal/myrmidon/src/script/antRun.bat

@@ -0,0 +1,18 @@
+@echo off
+
+cd %1
+set ANT_RUN_CMD=%2
+shift
+shift
+
+set PARAMS=
+:loop
+if "%1" == "" goto runCommand
+set PARAMS=%PARAMS% %1
+shift
+goto loop
+
+:runCommand
+echo %ANT_RUN_CMD% %PARAMS%
+%ANT_RUN_CMD% %PARAMS%
+