Description implementation ( as a regular task ).

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273453 13f79535-47bb-0310-9956-ffa450edef68

proposal/embed/build.xml

@@ -1,4 +1,5 @@
 <project name="embed" default="main" basedir=".">
+  <description>Embed proposal</description>
   <property file="${user.home}/build.properties" />
 
   <property name="base.path" location="/usr/share/java"/>

proposal/embed/src/java/org/apache/tools/ant/helper/ProjectHelperImpl2.java

@@ -103,6 +103,8 @@ public class ProjectHelperImpl2 extends ProjectHelper {
         try {
             Class c=Class.forName("org.apache.tools.ant.taskdefs.SystemPath");
             project.addTaskDefinition( "systemPath" , c );
+            c=Class.forName("org.apache.tools.ant.taskdefs.Description");
+            project.addTaskDefinition( "description" , c );
             c=Class.forName("org.apache.tools.ant.taskdefs.Import");
             project.addTaskDefinition( "import" , c );
             c=Class.forName("org.apache.tools.ant.taskdefs.Taskdef2");
@@ -142,7 +144,6 @@ public class ProjectHelperImpl2 extends ProjectHelper {
         
         AntXmlContext context=handler.context;
 
-        System.err.println("Parsing with PH2: " + source );
         if(source instanceof File) {
             context.buildFile=(File)source;
 //         } else if( source instanceof InputStream ) {
@@ -173,6 +174,7 @@ public class ProjectHelperImpl2 extends ProjectHelper {
             inputStream = new FileInputStream(context.buildFile);
             inputSource = new InputSource(inputStream);
             inputSource.setSystemId(uri);
+            System.err.println("Parsing with PH2: " + context.buildFile);
             project.log("parsing buildfile " + context.buildFile + " with URI = " + uri, Project.MSG_VERBOSE);
 
             DefaultHandler hb = handler;

proposal/embed/src/java/org/apache/tools/ant/taskdefs/Description.java

@@ -0,0 +1,91 @@
+/*
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "This product includes software developed by the
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowlegement may appear in the software itself,
+ *    if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Ant", and "Apache Software
+ *    Foundation" must not be used to endorse or promote products derived
+ *    from this software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ *    nor may "Apache" appear in their names without prior written
+ *    permission of the Apache Group.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+package org.apache.tools.ant.taskdefs;
+
+import org.apache.tools.ant.*;
+import org.apache.tools.ant.types.*;
+
+import java.io.*;
+import java.util.*;
+
+/**
+ * Description task. If top level tasks are executed during processing, import
+ * and description can be regular tasks, with no need for special code in processor.
+ *
+ * ( this only works for top-level descr. AFAIK that's how it works in ant1.5 )
+ * If this would be extended for <description> elements in targets - a special
+ * construct would be needed to mark this as 'parsing time' task.
+ * 
+ * @author Costin Manolache
+ */
+public class Description extends Task {
+    String descr;
+    
+    public Description() {
+    }
+
+    public String getDescription() {
+        return descr;
+    }
+
+    public void addText( String text ) {
+        this.descr=text;
+    }
+
+    public void execute() throws BuildException {
+        project.setDescription( descr );
+    }
+}
+

proposal/embed/test.xml

@@ -1,6 +1,6 @@
 <project name="embed-test" default="main" basedir=".">
   <property name="ant.src" location="../.."/>
-        
+  <description>Test for embed proposal</description>        
   <import file="build.xml"/>
 
   <!-- This is a tricky problem: import will append tasks at the