Updated build. Added manifest to jar to make it a runnable jar.

Updated dist targets to have separate src and bin builds.
Compressed the xerces-1.2.3.jar to make distributions and cvs
checkouts smaller.
PR:
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@194137 13f79535-47bb-0310-9956-ffa450edef68

build.bat

@@ -5,9 +5,9 @@ echo ----------------
 
 if "%JAVA_HOME%" == "" goto error
 
-
-set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;lib\ant.jar;lib\w3c.jar;lib\buildtools.jar;lib\xerces-1.2.3.jar;lib\xalan-2.0.0.jar:lib\xalanj1compat.jar:lib\bsf.jar:lib\jimi-1.0.jar
-set ANT_HOME=.\lib
+set LIBDIR=lib
+set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;%LIBDIR%\ant.jar;%LIBDIR%\w3c.jar;%LIBDIR%\buildtools.jar;%LIBDIR%\xerces-1.2.3.jar;%LIBDIR%\xalan-2.0.0.jar:%LIBDIR%\xalanj1compat.jar:%LIBDIR%\bsf.jar:%LIBDIR%\jimi-1.0.jar
+set ANT_HOME=%LIBDIR%
 
 echo Building with classpath %LOCALCLASSPATH%
 

build.sh

@@ -12,9 +12,9 @@ if [ "$JAVA_HOME" = "" ] ; then
   echo "location of the Java Virtual Machine you want to use."
   exit 1
 fi
-
-LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:./lib/ant.jar:./lib/w3c.jar:./lib/buildtools.jar:./lib/xerces-1.2.3.jar:./lib/xalan-2.0.0.jar:./lib/xalanj1compat.jar:./lib/bsf.jar:./lib/jimi-1.0.jar
-ANT_HOME=./lib
+LIBDIR=lib
+LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:$LIBDIR/ant.jar:$LIBDIR/w3c.jar:$LIBDIR/buildtools.jar:$LIBDIR/xerces-1.2.3.jar:$LIBDIR/xalan-2.0.0.jar:$LIBDIR/xalanj1compat.jar:$LIBDIR/bsf.jar:$LIBDIR/jimi-1.0.jar
+ANT_HOME=$LIBDIR
 
 echo Building with classpath $CLASSPATH:$LOCALCLASSPATH
 echo

build.xml

@@ -114,6 +114,44 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
 
 <project default="package" basedir=".">
 
+    <fileset dir="${basedir}" id="dist.bin">
+       <include name="conf/**"/>
+       <include name="docs/**"/>
+       <include name="hyph/**"/>
+       <include name="CHANGES"/>
+       <include name="LICENSE"/>
+       <include name="README"/>
+       <include name="STATUS"/>
+       <exclude name="src/**"/>
+       <exclude name="dist/**"/>
+       <exclude name="build/**"/>
+       <exclude name="lib/**"/>
+    </fileset>
+
+    <fileset dir="${basedir}" id="dist.bin.lib">
+       <include name="lib/xerces-1.2.3.jar"/>
+       <include name="lib/xalan-2.0.0.jar"/>
+       <include name="lib/xalanj1compat.jar"/>
+       <include name="lib/w3c.jar"/>
+       <include name="lib/jimi*"/>
+    </fileset>
+
+    <fileset dir="${basedir}" id="dist.src">
+       <exclude name="lib/classes/**"/>
+       <exclude name="lib/org/**"/>
+       <exclude name="lib/src/**"/>
+       <exclude name="build/**"/>
+       <include name="src/**"/>
+       <include name="conf/**"/>
+       <include name="docs/**"/>
+       <include name="lib/**"/>
+       <include name="CHANGES"/>
+       <include name="LICENSE"/>
+       <include name="README"/>
+       <include name="STATUS"/>
+       <include name="build*"/>
+    </fileset>
+
   <!-- =================================================================== -->
   <!-- Initialization target                                               -->
   <!-- =================================================================== -->
@@ -121,7 +159,7 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
     <tstamp/>
     <property name="Name" value="Fop"/>
     <property name="name" value="fop"/>
-    <property name="version" value="0.17.0"/>
+    <property name="version" value="0.18.0-DEV"/>
     <property name="year" value="1999-2001"/>
 
     <echo message="------------------- ${Name} ${version} [${year}] ----------------"/>
@@ -149,7 +187,9 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
     <property name="build.docs" value="./build/docs"/>
     <property name="build.javadocs" value="./build/javadocs"/>
 
-    <property name="dist.dir" value="./dist"/>
+   <!-- <property name="dist.dir" value="./dist"/> -->
+    <property name="dist.bin.dir" value="./dist-bin"/>
+    <property name="dist.src.dir" value="./dist-src"/>
 
     <property name="properties.dir" value="org/apache/fop/fo/properties"/>
     <property name="fonts.dir" value="org/apache/fop/render/pdf/fonts"/>
@@ -214,7 +254,11 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
 
     <taskdef name="serHyph" classname="org.apache.fop.tools.anttasks.SerializeHyphPattern"/> 
     <taskdef name="xslt" classname="org.apache.fop.tools.anttasks.Xslt"/>
-															
+    <taskdef name="manifest" classname="org.apache.fop.tools.anttasks.Manifest"/>
+
+    <property name="main.class" value="org.apache.fop.apps.Fop"/>
+    <property name="runtime.classpath" value="lib/xerces-1.2.3.jar lib/xalan-2.0.0.jar lib/xalanj1compat.jar lib/w3c.jar lib/jimi-1.0.jar"/>
+   
     <filter filtersfile="${build.src}/codegen/filter"/>
 
   </target>
@@ -482,7 +526,12 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
   <!-- =================================================================== -->
   <target name="package" depends="compile,hyphenation">
     <echo message="Creating the jar file ${build.dir}/${name}.jar"/>
-    <jar jarfile="${build.dir}/${name}.jar"
+    <manifest file="${build.dir}/Manifest.txt" overwrite="yes"
+	      mainclass="${main.class}" 
+              classpath="${runtime.classpath}"
+              impltitle="${Name}" implversion="${version}"
+	      implvendor="Apache Software Foundation (http://xml.apache.org/fop/)"/>
+    <jar jarfile="${build.dir}/${name}.jar" manifest="${build.dir}/Manifest.txt"
          basedir="${build.dest}"
          includes="org/**,conf/**,hyph/**"/>
   </target>
@@ -503,23 +552,6 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
     <chmod file="${lib.dir}/bin/antRun" perm="ugo+rx" />
   </target>
 
-  <!-- =================================================================== -->
-  <!-- Copying the documentation files                                     -->
-  <!-- =================================================================== -->
-  <target name="docs" depends="prepare-docs">
-    <echo message="Copying doc files "/>
-    <copy todir="${build.docs}">
-      <fileset dir="${docs.dir}"/>
-    </copy>
-    <copy todir="${build.dir}/${lib.dir}">
-      <fileset dir="${lib.dir}"/>
-    </copy>
-   
-    <copy file="build.xml" tofile="${build.dir}/build.xml" /> 
-    <copy file="${basedir}/README" tofile="${build.dir}/README" />
-    <copy file="${basedir}/STATUS" tofile="${build.dir}/STATUS" />
-    <copy file="${basedir}/LICENSE" tofile="${build.dir}/LICENSE" />
-  </target>
 
   <!-- =================================================================== -->
   <!-- Creates the API documentation                                       -->
@@ -541,28 +573,42 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
   <!-- =================================================================== -->
   <!-- Creates the distribution                                            -->
   <!-- =================================================================== -->
-  <target name="dist" depends="package, docs, javadocs">
-    <echo message="Building the distribution files (zip,tar)"/>
-    <mkdir dir="${dist.dir}"/>
-    <mkdir dir="${dist.dir}/conf"/>
-    <mkdir dir="${dist.dir}/hyph"/>
-    <copy file="${basedir}/build.sh" tofile="${dist.dir}/build.sh" />
-    <chmod file="${dist.dir}/build.sh" perm="ugo+rx" />
-    <copy file="${basedir}/build.bat" tofile="${dist.dir}/build.bat" />
-    <copy todir="${dist.dir}">
-      <fileset dir="${build.dir}" excludes="**/classes/**, **/${ignore_this}"/>
+  <target name="dist" depends="dist-src, dist-bin"/>
+
+  <target name="dist-bin" depends="package, javadocs">
+    <echo message="Building the binary distribution files (zip,tar)"/>
+    <mkdir dir="${dist.bin.dir}"/>
+    <copy todir="${dist.bin.dir}">
+      <fileset refid="dist.bin"/>
+      <fileset refid="dist.bin.lib"/>
     </copy>
-    <copy todir="${dist.dir}/hyph">
-      <fileset dir="${hyph.dir}"/>
+    <copy todir="${dist.bin.dir}" file="build/fop.jar"/>
+      
+    <zip zipfile="${Name}-${version}-bin.zip" basedir="${dist.bin.dir}" includes="**"/>
+    <tar tarfile="${Name}-${version}-bin.tar" basedir="${dist.bin.dir}" includes="**"/>
+    <gzip zipfile="${Name}-${version}-bin.tar.gz" src="${Name}-${version}-bin.tar" />
+    <delete file="${Name}-${version}-bin.tar"/>
+
+  </target>
+
+
+  <target name="dist-src" depends="package, javadocs">
+    <echo message="Building the source distribution files (zip,tar)"/>
+    <mkdir dir="${dist.src.dir}"/>
+    <copy todir="${dist.src.dir}">
+      <fileset refid="dist.src"/>
     </copy>
-    <copy todir="${dist.dir}/conf">
-      <fileset dir="${conf.dir}"/>
+    <copy todir="${dist.src.dir}/javadocs">
+      <fileset dir="${build.javadocs}"/>
     </copy>
+    <copy todir="${dist.src.dir}" file="build/fop.jar"/>
+    <chmod file="${dist.src.dir}/build.sh" perm="ugo+rx" />
+
+    <zip zipfile="${Name}-${version}-src.zip" basedir="${dist.src.dir}" includes="**"/>
+    <tar tarfile="${Name}-${version}-src.tar" basedir="${dist.src.dir}" includes="**"/>
+    <gzip zipfile="${Name}-${version}-src.tar.gz" src="${Name}-${version}-src.tar" />
+    <delete file="${Name}-${version}-src.tar"/>
 
-    <zip zipfile="${Name}-${version}.zip" basedir="${dist.dir}" includes="**"/>
-    <tar tarfile="${Name}-${version}.tar" basedir="${dist.dir}" includes="**"/>
-    <gzip zipfile="${Name}-${version}.tar.gz" src="${Name}-${version}.tar" />
-    <delete file="${Name}-${version}.tar"/>
   </target>
 
   <!-- =================================================================== -->
@@ -573,10 +619,13 @@ Sometimes ant gives out this warnings, but the build is finished without any pro
   </target>
 
   <target name="distclean" depends="clean">
-    <delete dir="${dist.dir}"/>
-    <delete file="${Name}-${version}.tar.gz"/>
-    <delete file="${Name}-${version}.tar"/>
-    <delete file="${Name}-${version}.zip"/>
+    <delete dir="${dist.src.dir}"/>
+    <delete dir="${dist.bin.dir}"/>
+    <delete>
+       <fileset dir="${basedir}" includes="${Name}-${version}*.tar.gz"/>
+       <fileset dir="${basedir}" includes="${Name}-${version}*.tar"/>
+       <fileset dir="${basedir}" includes="${Name}-${version}*.zip"/>
+    </delete>
   </target>
 
 </project>

docs/bugtests/runtests.sh

@@ -13,8 +13,9 @@ if [ "$JAVA_HOME" = "" ] ; then
   exit 1
 fi
 
-LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:../../lib/ant.jar:../../lib/buildtools.jar:../../build/fop.jar:../../lib/w3c.jar
-ANT_HOME=../../lib
+LIBDIR=../../lib/
+LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:$LIBDIR/ant.jar:$LIBDIR/w3c.jar:$LIBDIR/buildtools.jar:$LIBDIR/xerces-1.2.3.jar:$LIBDIR/xalan-2.0.0.jar:$LIBDIR/xalanj1compat.jar:$LIBDIR/bsf.jar:$LIBDIR/jimi-1.0.jar
+ANT_HOME=$LIBDIR
 
 echo Building with classpath $CLASSPATH:$LOCALCLASSPATH
 echo

docs/examples/runtests.bat

@@ -6,8 +6,9 @@ echo ----------------
 if "%JAVA_HOME%" == "" goto error
 
 
-set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;..\..\lib\ant.jar;..\..\lib\buildtools.jar;..\..\lib\w3c.jar;..\..\build\fop.jar
-set ANT_HOME=..\..\lib
+set LIBDIR=..\..\lib
+set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;%LIBDIR%\ant.jar;%LIBDIR%\w3c.jar;%LIBDIR%\buildtools.jar;%LIBDIR%\xerces-1.2.3.jar;%LIBDIR%\xalan-2.0.0.jar:%LIBDIR%\xalanj1compat.jar:%LIBDIR%\bsf.jar:%LIBDIR%\jimi-1.0.jar;%LIBDIR%\..\build\fop.jar
+set ANT_HOME=%LIBDIR%
 
 echo Starting Tests ...
 

docs/examples/runtests.sh

@@ -12,9 +12,9 @@ if [ "$JAVA_HOME" = "" ] ; then
   echo "location of the Java Virtual Machine you want to use."
   exit 1
 fi
-
-LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:../../lib/ant.jar:../../lib/buildtools.jar:../../build/fop.jar:../../lib/w3c.jar
-ANT_HOME=../../lib
+LIBDIR=../../lib
+LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:$LIBDIR/ant.jar:$LIBDIR/w3c.jar:$LIBDIR/buildtools.jar:$LIBDIR/xerces-1.2.3.jar:$LIBDIR/xalan-2.0.0.jar:$LIBDIR/xalanj1compat.jar:$LIBDIR/bsf.jar:$LIBDIR/jimi-1.0.jar:$LIBDIR/../build/fop.jar
+ANT_HOME=$LIBDIR
 
 echo Building with classpath $CLASSPATH:$LOCALCLASSPATH
 echo

docs/examples/svg/makedoc.bat

@@ -4,9 +4,10 @@ echo Building Fop documentation (pdf)
 echo ----------------
 
 if "%JAVA_HOME%" == "" goto error
-
-set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;..\..\..\lib\ant.jar;..\..\..\lib\xml.jar;..\..\..\lib\buildtools.jar;..\..\..\build\fop.jar;..\..\..\lib\w3c.jar
-set ANT_HOME=..\..\..\lib
+set LIBDIR=..\..\..\lib
+set LIBDIR=lib
+set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;%LIBDIR%\ant.jar;%LIBDIR%\w3c.jar;%LIBDIR%\buildtools.jar;%LIBDIR%\xerces-1.2.3.jar;%LIBDIR%\xalan-2.0.0.jar:%LIBDIR%\xalanj1compat.jar:%LIBDIR%\bsf.jar:%LIBDIR%\jimi-1.0.jar;%LIBDIR%\..\build\fop.jar
+set ANT_HOME=%LIBDIR%
 
 
 %JAVA_HOME%\bin\java.exe -Dant.home=%ANT_HOME% -classpath %LOCALCLASSPATH%;%CLASSPATH% org.apache.tools.ant.Main %1 %2 %3 %4 %5

docs/examples/svg/makedoc.sh

@@ -13,8 +13,9 @@ if [ "$JAVA_HOME" = "" ] ; then
   exit 1
 fi
 
-LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:../../../lib/ant.jar:../../../lib/w3c.jar:../../../lib/buildtools.jar:../../../build/fop.jar
-ANT_HOME=../../../lib
+LIBDIR=../../../lib/
+LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:$LIBDIR/ant.jar:$LIBDIR/w3c.jar:$LIBDIR/buildtools.jar:$LIBDIR/xerces-1.2.3.jar:$LIBDIR/xalan-2.0.0.jar:$LIBDIR/xalanj1compat.jar:$LIBDIR/bsf.jar:$LIBDIR/jimi-1.0.jar:$LIBDIR/../build/fop.jar
+ANT_HOME=$LIBDIR
 
 echo Building with classpath $CLASSPATH:$LOCALCLASSPATH
 echo

docs/xml-docs/makedoc.bat

@@ -6,8 +6,9 @@ echo ----------------
 
 if "%JAVA_HOME%" == "" goto error
 
-set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;..\..\lib\ant.jar;..\..\lib\w3c.jar;..\..\lib\buildtools.jar;..\..\build\fop.jar;..\..\lib\stylebook.jar
-set ANT_HOME=.\lib
+set LIBDIR=..\..\lib
+set LOCALCLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\classes.zip;%LIBDIR%\ant.jar;%LIBDIR%\w3c.jar;%LIBDIR%\buildtools.jar;%LIBDIR%\xerces-1.2.3.jar;%LIBDIR%\xalan-2.0.0.jar:%LIBDIR%\xalanj1compat.jar:%LIBDIR%\bsf.jar:%LIBDIR%\jimi-1.0.jar;%LIBDIR%\stylebook.jar;%LIBDIR%\..\build\fop.jar
+set ANT_HOME=%LIBDIR%
 
 
 %JAVA_HOME%\bin\java.exe -Dant.home=%ANT_HOME% -classpath %LOCALCLASSPATH%;%CLASSPATH% org.apache.tools.ant.Main %1 %2 %3 %4 %5

docs/xml-docs/makedoc.sh

@@ -13,8 +13,9 @@ if [ "$JAVA_HOME" = "" ] ; then
   exit 1
 fi
 
-LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:../../lib/ant.jar:../../lib/w3c.jar:../../lib/buildtools.jar:../../build/fop.jar:../../lib/stylebook.jar
-ANT_HOME=../../lib
+LIBDIR=../../lib
+LOCALCLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/classes.zip:$LIBDIR/ant.jar:$LIBDIR/w3c.jar:$LIBDIR/buildtools.jar:$LIBDIR/xerces-1.2.3.jar:$LIBDIR/xalan-2.0.0.jar:$LIBDIR/xalanj1compat.jar:$LIBDIR/bsf.jar:$LIBDIR/jimi-1.0.jar:$LIBDIR/stylebook.jar:$LIBDIR/../build/fop.jar
+ANT_HOME=$LIBDIR
 
 echo Building with classpath $CLASSPATH:$LOCALCLASSPATH
 echo

src/org/apache/fop/tools/anttasks/Manifest.java

@@ -0,0 +1,239 @@
+/* 
+ * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
+ * For details on use and redistribution please refer to the 
+ * LICENSE file included with these sources."
+ */
+
+package org.apache.fop.tools.anttasks;
+
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.BuildException;
+
+import java.io.*;
+import java.text.SimpleDateFormat;
+import java.net.InetAddress;
+import java.util.Date;
+import java.util.Properties;
+
+
+
+/**
+ * Creates a manifest file for packing into a jar.
+ * <P>
+ * Attributes are as follows:
+ * <dl>
+ *  <dt>file</dt> <dd>the manifest file to write out to (required)</dd>
+ *  <dt>overwrite</dt> <dd>if set to yes or true, overwrite the given 
+ *       manifest file. Default is no</dd>
+ *  <dt>version</dt> <dd>manifest version. Defaults to "1.0"</dd>
+ *  <dt>spectitle</dt> <dd>the specification title</dd>
+ *  <dt>specversion</dt> <dd>the specification version</dd>
+ *  <dt>specvendor</dt> <dd>the specification vendor</dd>
+ *  <dt>impltitle</dt> <dd>the implementation title</dd>
+ *  <dt>implversion</dt> <dd>the implementation version.</dd>
+ *  <dt>implvendor</dt> <dd>the implementation vendor</dd>
+ *  <dt>mainclass</dt> <dd>the class to run when java -jar is invoked</dd>
+ *  <dt>classpath</dt> <dd>the classpath to use when java -jar is invoked</dd>
+ *  <dt>createdby</dt> <dd>the string to set the Created-By field to</dd>
+ *  <dt>buildid</dt> <dd>A build identifier. Defaults to a build identifier
+ *     containing <tt>date + " ("+username+"@"+hostname+" ["+os+" "+version+" "+arch+"]</tt> </dd>
+ * </dl>
+ *
+ * @author Kelly A. Campbell
+ */
+
+public class Manifest extends Task 
+{
+    public static final String MANIFEST_VERSION = "Manifest-Version: ";
+    public static final String CREATED_BY = "Created-By: ";
+    public static final String REQUIRED_VERSION = "Required-Version: ";
+       
+    public static final String SPECIFICATION_TITLE = "Specification-Title: ";
+    public static final String SPECIFICATION_VERSION = "Specification-Version: ";
+    public static final String SPECIFICATION_VENDOR  = "Specification-Vendor: ";
+    public static final String IMPL_TITLE   = "Implementation-Title: ";
+    public static final String IMPL_VERSION = "Implementation-Version: ";
+    public static final String IMPL_VENDOR  = "Implementation-Vendor: ";
+    public static final String BUILD_ID     = "Build-ID: ";
+    public static final String MAIN_CLASS   = "Main-Class: ";
+    public static final String CLASS_PATH   = "Class-Path: ";
+    
+
+    private String _manifestVersion = "1.0";
+    private String _spectitle;
+    private String _specvers;
+    private String _specvend;
+    private String _impltitle;
+    private String _implvers;
+    private String _implvend;
+    private String _mainclass;
+    private String _classpath;
+    private String _createdby;
+    private String _buildid;
+    
+    private String _manifestFilename;
+    private Boolean _overwrite = Boolean.FALSE;
+    
+    public void setFile(String s) 
+    {
+	_manifestFilename = s;
+    }
+    
+    public void setOverwrite(Boolean b) 
+    {
+	_overwrite = b;
+    }
+    
+    public void setSpectitle(String s) 
+    {
+	_spectitle = s;
+    }
+    public void setSpecversion(String s) 
+    {
+	_specvers = s;
+    }
+    public void setSpecvendor(String s) 
+    {
+	_specvend = s;
+    }
+     public void setImpltitle(String s) 
+    {
+	_impltitle = s;
+    }
+    public void setImplversion(String s) 
+    {
+	_implvers = s;
+    }
+    public void setImplvendor(String s) 
+    {
+	_implvend = s;
+    }
+    public void setMainclass(String s) 
+    {
+	_mainclass = s;
+    }
+    public void setClasspath(String s) 
+    {
+	_classpath = s;
+    }
+    public void setCreatedby(String s) 
+    {
+	_createdby = s;
+    }
+    public void setBuildid(String s) 
+    {
+	_buildid = s;
+    }
+    
+    /**
+     * Main task method which runs this task and creates the manifest file.
+     * @exception BuildException if one of the required attributes isn't set
+     */
+    public void execute ()
+	throws BuildException
+    {
+	//	System.out.println("Executing manifest task");
+	
+	PrintWriter out;
+	try {
+	    if (_manifestFilename != null) {
+		// open the file for writing
+		File f = new File(_manifestFilename);
+		if (f.exists()) {
+		    if (_overwrite.booleanValue()) {
+			f.delete();
+		    }
+		    else {
+			throw new BuildException("Will not overwrite existing file: "+_manifestFilename+". Use overwrite='yes' if you wish to overwrite the file.");
+		    }
+		}
+		System.out.println("creating "+f);
+	    
+		f.createNewFile();
+		out = new PrintWriter(new FileOutputStream(f));
+	    
+	    }
+	    else {
+		throw new BuildException("Manifest task requires a 'file' attribute");
+	    }
+	}
+	catch (IOException ex) {
+	    throw new BuildException(ex);
+	}
+	
+	// setup the implementation versionn (buildID)
+	if (_buildid == null || _buildid.trim().equals("")) {
+	    _buildid = createBuildID();
+	}
+	if (_createdby == null || _createdby.trim().equals("")) {
+	    _createdby = getCreator();
+	}
+	
+	print(out, MANIFEST_VERSION, _manifestVersion);
+	print(out, CREATED_BY, _createdby);
+	
+	print(out, SPECIFICATION_TITLE, _spectitle);
+	print(out, SPECIFICATION_VERSION, _specvers);
+	print(out, SPECIFICATION_VENDOR, _specvend);
+	print(out, IMPL_TITLE, _impltitle);
+	print(out, IMPL_VERSION, _implvers);
+	print(out, IMPL_VENDOR, _implvend);
+	print(out, BUILD_ID, _buildid);
+	print(out, MAIN_CLASS, _mainclass);
+	print(out, CLASS_PATH, _classpath);
+
+	out.flush();
+	out.close();
+	
+    }
+      
+    protected void print(PrintWriter out, String header, String value) 
+    {
+	if (value != null && !value.trim().equals("")) {
+	    out.println(header+value);
+	    //  System.out.println("manifest: "+header+value);
+	}
+    }
+    
+    private static String createBuildID() 
+    {
+	Date d = new Date();
+	SimpleDateFormat f = new SimpleDateFormat("yyyyMMdd-HHmmss-z");
+	String date = f.format(d);	
+	String hostname, username, os, version, arch;
+	try {
+	    hostname = InetAddress.getLocalHost().getHostName();
+	}
+	catch (Exception ex) {
+	    hostname = "unknown";
+	}
+	username = System.getProperty("user.name");
+	os       = System.getProperty("os.name");
+	version  = System.getProperty("os.version");
+	arch     = System.getProperty("os.arch");
+	String buildid = date + " ("+username+"@"+hostname+" ["+os+" "+version+" "+arch+"])";
+	return buildid;
+		
+    }
+
+    private static String getCreator() 
+    {
+	try {
+	    Properties props = new Properties();
+	    InputStream in = org.apache.tools.ant.Main.class.getResourceAsStream("/org/apache/tools/ant/version.txt");
+	    if (in != null) {
+		props.load(in);
+		in.close();
+		
+		return "Ant "+props.getProperty("VERSION");
+	    }
+	    else {
+		return null;
+	    }
+	}
+	catch (IOException ex) {
+	    return null;
+	}
+    }
+    
+}