Flex with Ant Task build-flex.xml for Java Web Application using Adobe Flex as frontend. Be free to use it as a template and modify at will. Reference http://ant.apache.org/, http://flex.apache.org/

build-flex.xml

<?xml version="1.0" encoding="utf-8"?>
<!--					         build-flex.xml					         	-->
<!--	  2013-11-12    dylanninin@gmail.com    init	-->

<project name="FLEX" default="test" basedir=".">
	
	<!--Flex properties and targets-->
	<!--Flex SDK-->
	<property name="FLEX_HOME" value="D:/Flex/sdks/3.2.0" />
	<property name="MXMLC.JAR" value="${FLEX_HOME}/lib/mxmlc.jar" />
	<property name="ADL" value="${FLEX_HOME}/bin/adl.exe" />
	<property name="ADT.JAR" value="${FLEX_HOME}/lib/adt.jar" />
	<property name="FLEXTASKS.JAR" value="${FLEX_HOME}/ant/lib/flexTasks.jar" />
    
	<!--Flex Application -->
	<property name="APP_NAME" value="FLEX" />
	<property name="APP_ROOT" value="./flex_src/" />
	<property name="DEPLOYEE" value="./WebRoot/bin" />
	<property name="DEBUG" value="true" />
	<property name="MODULES" value="${APP_ROOT}/modules" />
	<property name="COMPONENTS" value="${APP_ROOT}/componets" />
	<property name="VO" value="${APP_ROOT}/valueObject" />
	<property name="CSS" value="${APP_ROOT}/css" />
	<property name="ASSETS" value="${APP_ROOT}/assets" />
	<property file=".actionScriptProperties"/>
	<property name="FLEX.LIB" value="./WebRoot/WEB-INF/flex/libs"/>
	<property name="SERVICES" value="./WebRoot/WEB-INF/flex/services-config.xml"/>
    
	<!--flex_libs-->
	<property name="FLEX.LIBS" value="./flex_libs"/>
	
	<!--Flex Task -->
	<taskdef resource="flexTasks.tasks" classpath="${FLEXTASKS.JAR}">
    </taskdef>

	<target name="flex.compile">
		<mxmlc file="${APP_ROOT}/Login.mxml" 
			output="${DEPLOYEE}/Login.swf" 
			actionscript-file-encoding="UTF-8" 
			keep-generated-actionscript="false" 
			incremental="true" 
			locale="zh_CN,en_US"
			services="${SERVICES}"
			>
			<compiler.context-root>./WebRoot/WEB-INF/flex</compiler.context-root>
			<load-config filename="${FLEX_HOME}/frameworks/flex-config.xml" />
			<source-path path-element="${FLEX_HOME}/frameworks" />
			<source-path path-element="locale/{locale}"/>
			<compiler.library-path dir="${FLEX_HOME}/frameworks" append="true">
				<include name="libs" />
				<include name="{locale}" /> 
			</compiler.library-path>
			
			<compiler.library-path dir="${FLEX.LIB}/" append="true">
				<include name="**/*.swc" />
			</compiler.library-path>
			
			<compiler.library-path dir="${FLEX.LIBS}/" append="true">
				<include name="**/*.swc" />
			</compiler.library-path>
			<compiler.verbose-stacktraces>true</compiler.verbose-stacktraces>
			<compiler.headless-server>true</compiler.headless-server>
		</mxmlc>
	</target>

</project>