ANT snippets for concat, minfiy css and js and link replacing.

ANT_hompage_deploy_snippets.xml

<!--
	=========================================================================== 
  	Some ANT Snippets combine, minify and JS and CSS files.
	=========================================================================== 
	For deploying homepages with ANT.
	
	Properties:
		dir.src=your source folder
		dir.deploy=your deploy folder
-->

<!--
	=========================================================================== 
		TASK DEFINITIONS
	===========================================================================
-->
	<!-- http://ant-contrib.sourceforge.net/ -->
	<taskdef resource="net/sf/antcontrib/antlib.xml">
		<classpath>
			<pathelement location="ant-contrib/ant-contrib-1.0b3.jar"/>
		</classpath>
	</taskdef>
	
<!--
		YUI Ant:
		http://www.ubik-ingenierie.com/ubikwiki/index.php?title=Minifying_JS/CSS
		
		YUI Compressor:
		https://github.com/yui/yuicompressor/releases
-->
	<taskdef name="yuicompress" classname="com.yahoo.platform.yui.compressor.YUICompressTask">
		<classpath>
			<pathelement path="antlib/YUIAnt.jar" />
			<pathelement path="antlib/yuicompressor-2.4.8.jar" />
		</classpath>
	</taskdef>
	
<!-- 
	===========================================================================
		Target collect_and_concat
	===========================================================================
 -->		
	<target name="collect_and_concat" 
			description="combines css and js files.">

		<concat destfile="min.js" fixlastline="yes">
			<filelist refid="list_of_js_files_to_combine"/>
		</concat>
		
		<concat destfile="min.css" fixlastline="yes">
			<filelist refid="list_of_css_files_to_combine"/>
		</concat>
	</target>
	
<!-- 
	===========================================================================
		Target minify
	===========================================================================
 -->	
	<target name="minify" 
			description="Minifiy all CSS and JS">
	
		<yuicompress linebreak="300" 
				warn="false" 
				munge="yes" 
				preserveallsemicolons="true" 
				outputfolder="${dir.deploy}"
			>
			<fileset file="${dir.src}min.js"/>
		</yuicompress>
		
		<yuicompress linebreak="300" 
				warn="false" 
				munge="yes" 
				preserveallsemicolons="true" 
				outputfolder="${dir.deploy}"
			>
			<fileset file="${dir.src}min.css"/>
	  	</yuicompress>
		
	  <delete file="${dir.src}min.css" />
	  <delete file="${dir.src}min.js" />
  </target>

<!--
	=========================================================================== 
		Target replace_references
	===========================================================================
	
	mark in your css and js references with:
	&lt;!--sourcejs--&gt;... your js links... &lt;!--sourcejsend--&gt;
	&lt;!--sourcecss--&gt;... your js links... &lt;!--sourcecssend--&gt;
 -->	
	<target name="replace_references">
		<replaceregexp match="\&lt;!--sourcejs--\&gt;(.*?)\&lt;!--endsourcejs--\&gt;" 
				replace="\&lt;script src='min.js'\&gt;\&lt;/script\&gt;" 
				flags="gs">
			<fileset name="${dir.deploy}*.html"/>
		</replaceregexp>
		<replaceregexp match="\&lt;!--sourcecss--\&gt;(.*?)\&lt;!--endsourcecss--\&gt;" 
				replace="\&lt;link href='min.css' rel='stylesheet'/\&gt;" 
				flags="gs">
			<fileset file="${dir.deploy}*.html"/>
		</replaceregexp>
	</target>