build.xml

<?xml version="1.0"?>
<project default="build">
	
	<path id="yuicompressor.classpath">
        <fileset dir="./lib">
            <include name="*.jar"/>
        </fileset>
    </path>
	
	<target name="js.minify">
	    <java jar="./lib/yuicompressor-2.4.2.jar" fork="true" output="${output}">
	    	<arg value="${input}"/>
	    	<classpath>
	            <path refid="yuicompressor.classpath"/>
	        </classpath>
	    </java>
	</target>
	
	<!-- ant-contrib taskdefs -->
	<taskdef resource="net/sf/antcontrib/antlib.xml">
	  <classpath>
	    <pathelement location="./lib/ant-contrib-0.6.jar"/>
	  </classpath>
	</taskdef>		
		
	<!-- 
		create final version number
	-->
	<propertyregex property="final.version"
	              input="${version}"
	              regexp="[0-9]+\.[0-9]+\.[0-9]+"
	              select="\0"
	              casesensitive="false" />
	
	<property name="dir" value="./js/${final.version}/"/>

	<echo>building from version ${version}</echo>
	<echo>building final version ${final.version} in directory ${dir}</echo>
	
	<!--
		fails the build if no "version" parameter supplied.
	-->
	<target name="check" unless="version">
		<fail message="You must supply the version to bundle, eg. ant -Dversion=x.y.c-RCn"/>
	</target>
	
	<!-- 
		concats a single library.
		
		expects "library" parameter to be set.
	-->
	<target name="concatLibrary" depends="check">
		<concat destfile="${dir}/${library}.jsPlumb-${final.version}-all.js">
			<filelist dir="${dir}" files="jsPlumb-${version}.js,jsPlumb-defaults-${version}.js,jsPlumb-connectors-statemachine-${version}.js, jsPlumb-renderers-vml-${version}.js, jsPlumb-renderers-svg-${version}.js, jsPlumb-renderers-canvas-${version}.js, ${library}.jsPlumb-${version}.js, ../lib/jsBezier-0.3-min.js"/>
		</concat>		
	</target>
	
	<target name="minLibrary" depends="concatLibrary">
		<antcall target="js.minify">
			<param name="input" value="${dir}/${library}.jsPlumb-${final.version}-all.js"/>
			<param name="output" value="${dir}/${library}.jsPlumb-${final.version}-all-min.js"/>
		</antcall>
	</target>
	
	<!-- 
		concats the three main files together to write final versions for
		all supported libraries.
		
		expects a "-Dversion=x.y.z-RCn" parameter on the Ant call.  strips "-RCn"
		from the end to derive a final name.
	-->	
	<target name="concat" depends="check">		
		<antcall target="concatLibrary">
			<param name="library" value="jquery"/>
		</antcall>
		<antcall target="concatLibrary">
			<param name="library" value="mootools"/>
		</antcall>
	</target>
	
	<!-- 
		generates minified and concatenated scripts for supported libraries.
	--> 
	<target name="min" depends="check">		
		<antcall target="minLibrary">
			<param name="library" value="jquery"/>
		</antcall>
		<antcall target="minLibrary">
			<param name="library" value="mootools"/>
		</antcall>
		<antcall target="minLibrary">
			<param name="library" value="yui"/>
		</antcall>
	</target>
	
	<target name="docs" depends="min">
		<mkdir dir="js/TEMP"/>
		<copy todir="js/TEMP">
			<fileset dir="js/${final.version}">
				<include name="jquery.jsPlumb-${final.version}-all.js"/>
			</fileset>
		</copy>
		<mkdir dir="apidocs"/>
	    <exec executable="naturaldocs">
	        <arg line="-i"/>
	        <arg path="js/TEMP"/>
	        <arg line="-o"/>
	    	<arg line="HTML"/>
	    	<arg line="apidocs"/>
	    	<arg line="-p"/>
	    	<arg line="."/>
	    </exec>
		<delete dir="js/TEMP"/>
	</target>
	
	<target name="build">
		<antcall target="min"/>
	</target>
	
</project>