build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="demo" default="all" xmlns:artifact="urn:maven-artifact-ant">
    <description>
    </description>
    <property file="build.properties" />

    <target name="init_maven">
        <!--
        remember to set M2_REPO before use this build.xml, for example in eclispe:
        "Window→Preferences→Ant→Runtime", add a new property named "M2_REPO" and set it value point to the path of your maven
        local repository; Or you can set it in build.properties.  You need do one (and only one) of them.
        -->
    	
    	<!-- 
    	在ant中使用maven-ant-tasks，就需要装载maven-ant-tasks的jar包，方法有两种，
    	一种是直接将maven-ant-tasks-2.0.9.jar放到ant的lib下，自然就可以直接使用。
    	但是个人感觉不怎么喜欢这种方式，我采用的是第二种，在ant的build.xml文件中装载
    	-->
        <path id="maven-ant-tasks.classpath" path="${M2_REPO}/org/apache/maven/maven-ant-tasks/2.0.9/maven-ant-tasks-2.0.9.jar" />
        <typedef resource="org/apache/maven/artifact/ant/antlib.xml" uri="urn:maven-artifact-ant" classpathref="maven-ant-tasks.classpath" />
        
    	<!--
    	artifact:pom任务装载了整个pom，因此在后面可以访问到pom的信息;
    	比如${maven.project.build.sourceDirectory}是java源代码目录，${maven.project.build.finalName}是最终的名称 
    	-->
        <artifact:pom id="maven.project" file="pom.xml" /> 
        <artifact:dependencies pathId="classpath.build" filesetid="maven.fileset.build">
            <pom refid="maven.project" />
        </artifact:dependencies>
        <artifact:dependencies pathId="classpath.runtime" filesetid="maven.fileset.runtime" useScope="runtime">
            <pom refid="maven.project" />
        </artifact:dependencies>
    </target>

    <target name="all" depends="init_path" description="do all">
   <!-- <target name="all" depends="init_path, compile, jar, package, zip" description="do all"> -->
        <echo>begin to do all target to build the result package.</echo>
    </target>

    <target name="maven_info" depends="init_maven">
        <echo>Maven build directory is ${maven.project.build.directory}</echo>
        <echo>Maven build finalName is ${maven.project.build.finalName}</echo>
        <echo>Maven build sourceDirectory directory is ${maven.project.build.sourceDirectory}</echo>
        <echo>Maven build outputDirectory directory is ${maven.project.build.outputDirectory}</echo>
        <echo>Maven build scriptSourceDirectory directory is ${maven.project.build.testSourceDirectory}</echo>
        <echo>Maven build testOutputDirectory directory is ${maven.project.build.testOutputDirectory}</echo>
        <echo>Maven build scriptSourceDirectory directory is ${maven.project.build.scriptSourceDirectory}</echo>
        <echo>Maven build resourceDirectory directory is ${maven.project.build.resources}</echo>

        <property name="target.jar.name" value="${maven.project.build.directory}/${maven.project.build.finalName}.jar" />
        <echo>Maven build scriptSourceDirectory directory is ${target.jar.name}</echo>
    </target>

    <target name="clean" depends="init_maven">
        <echo>clean build directory : ${maven.project.build.directory}</echo>
        <delete dir="${maven.project.build.directory}" includes="**/*" />
    </target>

    <target name="init_path" depends="maven_info, clean">
        <echo>make dir for java compile: ${maven.project.build.outputDirectory}</echo>
        <mkdir dir="${maven.project.build.outputDirectory}" />
    </target>

	
	<!-- 
	我们的项目完全遵循maven的标准做法，然后ant通过访问pom来得到相关的路径信息和classpath信息，完美结合。
    target copyResource 完成了将resource copy到outputDirectory的任务，这里的resource都是classpath resource。
    注： 这个有个问题，就是我没有找到通过pom得到resouce目录的方法，${maven.project.build.resources 只能得到pom文件中<resources/>, 
    对于里面包含的<resource>不知道该用什么方式来访问
	-->
    <target name="compile" description="description" depends="init_maven">
        <javac srcdir="${maven.project.build.sourceDirectory}" destdir="${maven.project.build.outputDirectory}" classpathref="classpath.build" />
    </target>
	
    <target name="copyResource" depends="init_maven">
        <copy todir="${maven.project.build.outputDirectory}">
            <fileset dir="src/main/resources">
            </fileset>
        </copy>
    </target>

	<!--
	和compile类似，标准的ant jar，然后通过访问pom来得到相关的路径信息和打包文件名。
	注意这里的文件名和路径和maven的做法一致，也就是说和执行maven的compile命令结果是一样的
	-->
    <target name="jar" depends="compile, copyResource">
        <delete file="${maven.project.build.directory}/${maven.project.build.finalName}.jar"  failonerror="false" />
        <jar destfile="${maven.project.build.directory}/${maven.project.build.finalName}.jar" basedir="${maven.project.build.outputDirectory}">
        </jar>
    </target>

    <target name="package" depends="package_prepare, copyLib, copyConfig, copyBin">
    </target>

    <target name="package_prepare" depends="init_maven">
        <echo>clean package directory : ${maven.project.build.directory}/${path.package}</echo>
        <delete dir="${maven.project.build.directory}/${path.package}" />
        <mkdir dir="${maven.project.build.directory}/${path.package}" />
        <mkdir dir="${maven.project.build.directory}/${path.package}/${path.target.name}" />
        <mkdir dir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.lib}" />
        <mkdir dir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.config}" />
        <mkdir dir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.log}" />
    </target>

    <target name="copyLib" depends="init_maven">
        <copy todir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.lib}">
            <fileset refid="maven.fileset.runtime" />
            <mapper type="flatten" />
        </copy>
        <copy todir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.lib}"
            file="${maven.project.build.directory}/${maven.project.build.finalName}.jar">

        </copy>
    </target>
    <target name="copyConfig" depends="init_maven">
        <copy todir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.config}">
            <fileset dir="src/main/config">
            </fileset>
        </copy>
    </target>
    <target name="copyBin" depends="init_maven">
        <copy todir="${maven.project.build.directory}/${path.package}/${path.target.name}/${path.package.bin}">
            <fileset dir="src/main/bin">
            </fileset>
        </copy>
    </target>
    <target name="zip" depends="init_maven">
        <zip destfile="${maven.project.build.directory}/${path.package}/${path.target.name}.zip">
            <fileset dir="${maven.project.build.directory}/${path.package}/${path.target.name}"></fileset>
        </zip>
    </target>
</project>