notes_estom/Java/JavaDemo/codedemo/java/lang/instrument/build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="Instrumentation" default="run" basedir="../../../../../../../">

	<property name="project.src.dir" value="${basedir}/src" />
	<property name="project.lib.dir" value="${basedir}/lib" />
	<property name="project.conf.dir" value="${basedir}/conf" />
	<property name="project.target.dir" value="${basedir}/classes" />
	<property name="project.dist.dir" value="${basedir}/dist" />

	<path id="project.classpath">
		<fileset dir="${project.lib.dir}">
			<include name="*.jar" />
		</fileset>
	</path>

	<target name="prepare">
		<delete dir="${project.target.dir}" />
		<mkdir dir="${project.target.dir}"/>
		<copy todir="${project.target.dir}">
			<fileset dir="${project.conf.dir}">
				<include name="**/*.properties" />
				<include name="**/*.xml" />
			</fileset>
		</copy>
		
		<delete dir="${project.dist.dir}" />
		<mkdir dir="${project.dist.dir}" />
	</target>

	<target name="compileWithJavac" depends="prepare">
		<echo message="compile with javac" />
		<javac destdir="${project.target.dir}" srcdir="${project.src.dir}" source="1.8" target="1.8" 
			encoding="UTF-8" debug="true" includeantruntime="false">
			<classpath refid="project.classpath" />
		</javac>
	</target>

	<target name="package" depends="compileWithJavac">
	    <jar destfile="${project.dist.dir}/hello.jar">
	        <fileset dir="${project.target.dir}">
	            <include name="cn/aofeng/demo/java/lang/instrument/*.class" />
	        </fileset>
	    	<manifest>
	    	    <attribute name="Premain-Class" value="cn.aofeng.demo.java.lang.instrument.FirstInstrumentation" />
	    	</manifest>
	    </jar>
	</target>

	<target name="run" depends="package">
	    <java classname="cn.aofeng.demo.java.lang.instrument.Hello" fork="true">
	        <classpath refid="project.classpath" />
	        <classpath location="${project.target.dir}" />
	    	<jvmarg value="-javaagent:${project.dist.dir}/hello.jar=&quot;Hello, Instrumentation&quot;" />
	    </java>
	</target>

</project>