Basic module that contains task essential to operation/bootstrapping of myrmidon/ant

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268599 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/ant/modules/core/AbstractResourceRegisterer.java

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+/*
+ * 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.modules.core;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+import org.apache.ant.tasklet.engine.TaskletEngine;
+import org.apache.avalon.ComponentManager;
+import org.apache.avalon.ComponentManagerException;
+import org.apache.avalon.Composer;
+import org.apache.avalon.camelot.RegistryException;
+
+/**
+ * Method to register a single tasklet.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public abstract class AbstractResourceRegisterer 
+    extends AbstractTasklet
+    implements Composer
+{
+    protected String              m_lib;
+    protected String              m_name;
+    protected String              m_classname;
+    protected TaskletEngine       m_engine;
+    
+    public void compose( final ComponentManager componentManager )
+        throws ComponentManagerException
+    {
+        m_engine = (TaskletEngine)componentManager.
+            lookup( "org.apache.ant.tasklet.engine.TaskletEngine" );
+    }
+
+    public void setLib( final String lib )
+    {
+        m_lib = lib;
+    }
+    
+    public void setName( final String name )
+    {
+        m_name = name;
+    }
+    
+    public void setClassname( final String classname )
+    {
+        m_classname = classname;
+    }
+
+    public void run()
+        throws AntException
+    {
+        if( null == m_name )
+        {
+            throw new AntException( "Must specify name parameter" );
+        }
+        else if( null == m_lib && null == m_classname )
+        {
+            throw new AntException( "Must specify classname if you don't specify " + 
+                                    "lib parameter" );
+        }
+        
+        final URL url = getURL( m_lib );
+
+        try
+        {
+            registerResource( m_name, m_classname, url );
+        }
+        catch( final RegistryException re )
+        {
+            throw new AntException( "Error registering resource", re );
+        }
+    }
+
+    protected URL getURL( final String libName )
+    {
+        if( null != libName )
+        {
+            final File lib = getContext().resolveFile( libName );
+            try { return lib.toURL(); }
+            catch( final MalformedURLException mue )
+            {
+                throw new AntException( "Malformed task-lib parameter " + m_lib, mue );
+            }
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    protected abstract void registerResource( String name, String classname, URL url )
+        throws AntException, RegistryException;
+}

proposal/myrmidon/src/java/org/apache/ant/modules/core/README

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+This package is required for operation. No task within this directory is allowed to 
+require parameters other than strings for converter.

proposal/myrmidon/src/java/org/apache/ant/modules/core/RegisterConverter.java

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+/*
+ * 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.modules.core;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import org.apache.ant.AntException;
+import org.apache.ant.convert.ConverterEngine;
+import org.apache.ant.convert.DefaultConverterInfo;
+import org.apache.ant.tasklet.AbstractTasklet;
+import org.apache.ant.tasklet.engine.TaskletEngine;
+import org.apache.avalon.ComponentManager;
+import org.apache.avalon.ComponentManagerException;
+import org.apache.avalon.Composer;
+import org.apache.avalon.camelot.DefaultLocator;
+import org.apache.avalon.camelot.DeploymentException;
+import org.apache.avalon.camelot.RegistryException;
+
+/**
+ * Method to register a single converter.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class RegisterConverter 
+    extends AbstractTasklet
+    implements Composer
+{
+    protected String              m_sourceType;
+    protected String              m_destinationType;
+    protected String              m_lib;
+    protected String              m_classname;
+    protected TaskletEngine       m_engine;
+    
+    public void compose( final ComponentManager componentManager )
+        throws ComponentManagerException
+    {
+        m_engine = (TaskletEngine)componentManager.
+            lookup( "org.apache.ant.tasklet.engine.TaskletEngine" );
+    }
+
+    public void setLib( final String lib )
+    {
+        m_lib = lib;
+    }
+    
+    public void setClassname( final String classname )
+    {
+        m_classname = classname;
+    }
+
+    public void setSourceType( final String sourceType )
+    {
+        m_sourceType = sourceType;
+    }
+    
+    public void setDestinationType( final String destinationType )
+    {
+        m_destinationType = destinationType;
+    }
+    
+    public void run()
+        throws AntException
+    {
+        if( null == m_classname )
+        {
+            throw new AntException( "Must specify classname parameter" );
+        }
+        
+        final URL url = getURL( m_lib );
+
+        boolean isFullyDefined = true;
+        
+        if( null == m_sourceType && null == m_destinationType )
+        {
+            isFullyDefined = false;
+        }
+        else if( null == m_sourceType || null == m_destinationType )
+        {
+            throw new AntException( "Must specify the source-type and destination-type " +
+                                    "parameters when supplying a name" );
+        }
+
+        if( !isFullyDefined && null == url )
+        {
+            throw new AntException( "Must supply parameter if not fully specifying converter" );
+        }
+
+        if( !isFullyDefined )
+        {
+            try 
+            { 
+                m_engine.getTskDeployer().deployConverter( m_classname, url.toString(), url ); 
+            }
+            catch( final DeploymentException de )
+            {
+                throw new AntException( "Failed deploying " + m_classname + 
+                                        " from " + url, de );
+            }
+        }
+        else
+        {
+            final DefaultConverterInfo info = 
+                new DefaultConverterInfo( m_sourceType, m_destinationType );
+            final DefaultLocator locator = new DefaultLocator( m_classname, url );
+
+            try
+            {
+                m_engine.getConverterEngine().getInfoRegistry().register( m_classname, info ); 
+                m_engine.getConverterEngine().getRegistry().register( m_classname, locator ); 
+            }
+            catch( final RegistryException re )
+            {
+                throw new AntException( "Error registering resource", re );
+            }
+        }
+    }
+    
+    protected URL getURL( final String libName )
+    {
+        if( null != libName )
+        {
+            final File lib = getContext().resolveFile( libName );
+            try { return lib.toURL(); }
+            catch( final MalformedURLException mue )
+            {
+                throw new AntException( "Malformed task-lib parameter " + m_lib, mue );
+            }
+        }
+        else
+        {
+            return null;
+        }
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/modules/core/RegisterDataType.java

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+/*
+ * 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.modules.core;
+
+import java.net.URL;
+import org.apache.ant.AntException;
+import org.apache.avalon.camelot.DefaultLocator;
+import org.apache.avalon.camelot.DeploymentException;
+import org.apache.avalon.camelot.RegistryException;
+
+/**
+ * Method to register a single datatype.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class RegisterDataType
+    extends AbstractResourceRegisterer
+{
+    protected void registerResource( final String name, 
+                                     final String classname, 
+                                     final URL url )
+        throws AntException, RegistryException 
+    {
+        if( null == classname )
+        {
+            try { m_engine.getTskDeployer().deployDataType( name, url.toString(), url ); }
+            catch( final DeploymentException de )
+            {
+                throw new AntException( "Failed deploying " + name + " from " + url, de );
+            }
+        }
+        else
+        {
+            final DefaultLocator locator = new DefaultLocator( classname, url );
+            m_engine.getDataTypeEngine().getRegistry().register( name, locator ); 
+        }
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/modules/core/RegisterTasklet.java

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+/*
+ * 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.modules.core;
+
+import java.net.URL;
+import org.apache.ant.AntException;
+import org.apache.avalon.camelot.DefaultLocator;
+import org.apache.avalon.camelot.DeploymentException;
+import org.apache.avalon.camelot.RegistryException;
+
+/**
+ * Method to register a single tasklet.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class RegisterTasklet 
+    extends AbstractResourceRegisterer
+{
+    protected void registerResource( final String name, 
+                                     final String classname, 
+                                     final URL url )
+        throws AntException, RegistryException 
+    {
+        if( null == classname )
+        {
+            try { m_engine.getTskDeployer().deployTasklet( name, url.toString(), url ); }
+            catch( final DeploymentException de )
+            {
+                throw new AntException( "Failed deploying " + name + " from " + url, de );
+            }
+        }
+        else
+        {
+            final DefaultLocator locator = new DefaultLocator( classname, url );
+            m_engine.getRegistry().register( name, locator ); 
+        }
+    }
+}

proposal/myrmidon/src/java/org/apache/ant/modules/core/RegisterTasklib.java

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+/*
+ * 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.modules.core;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import org.apache.ant.AntException;
+import org.apache.ant.tasklet.AbstractTasklet;
+import org.apache.ant.tasklet.engine.TaskletEngine;
+import org.apache.avalon.ComponentManager;
+import org.apache.avalon.ComponentManagerException;
+import org.apache.avalon.Composer;
+import org.apache.avalon.camelot.DeploymentException;
+
+/**
+ * Method to register a tasklib.
+ *
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public class RegisterTasklib 
+    extends AbstractTasklet
+    implements Composer
+{
+    protected String              m_lib;
+    protected TaskletEngine       m_engine;
+    
+    public void compose( final ComponentManager componentManager )
+        throws ComponentManagerException
+    {
+        m_engine = (TaskletEngine)componentManager.
+            lookup( "org.apache.ant.tasklet.engine.TaskletEngine" );
+    }
+
+    public void setLib( final String lib )
+    {
+        m_lib = lib;
+    }
+
+    public void run()
+        throws AntException
+    {
+        if( null == m_lib )
+        {
+            throw new AntException( "Must specify lib parameter" );
+        }
+        
+        URL url = null;
+
+        final File lib = getContext().resolveFile( m_lib );
+        try { url = lib.toURL(); }
+        catch( final MalformedURLException mue )
+        {
+            throw new AntException( "Malformed task-lib parameter " + m_lib, mue );
+        }
+
+        try
+        {
+            m_engine.getTskDeployer().deploy( url.toString(), url );
+        }
+        catch( final DeploymentException de )
+        {
+            throw new AntException( "Error registering resource", de );
+        }
+    }
+}