第 2 章 Build Tools

		
<description>project Name</description>
		
		

		
<property name="src" value="src"/>
<property name="dest" value="classes"/>
<property name="hello" value="hello.jar"/>		
		
		

			
${ant.project.name}
			
			

			
<property environment="env"/>
<echo message="JAVA_HOME is set to = ${env.JAVA_HOME}" />			
			
			

定义

		
	<path id="classpath">  
        <fileset dir="${env.JAVA_HOME}/lib">  
            <include name="*.jar" />  
        </fileset>  
        <fileset dir="${env.CATALINA_HOME}/lib">  
            <include name="*.jar" />  
        </fileset>  
        <fileset dir="WebRoot/WEB-INF/lib" includes="*.jar"/>
    </path>    
		
		

引用

		
	<javac srcdir="${src.dir}" destdir="${classes.dir}" source="1.5" target="1.5">  
		<classpath refid="classpath" />  
	</javac>		
		
		

		
    <classpath>
		<path refid="classpath"/>
    </classpath>		
		
		

复制目录

		
	<copy todir="${basedir}/WebContent"> 
		<fileset dir="${basedir}/WebRoot" includes="**/*"/>
	</copy>	    
		
		

复制指定扩展名文件

		
	<copy todir="${dest}">  
		<fileset dir="${src}">  
			<include name="**/*.xml" />  
			<include name="**/*.properties" />  
		</fileset>
	</copy> 	
		
		

		
	<path id="classpath">
		<fileset dir="${env.JAVA_HOME}/lib">
			<include name="*.jar" />
		</fileset>
		<fileset dir="${env.CATALINA_HOME}/lib">
			<include name="*.jar" />
		</fileset>
		<fileset dir="${project.dir}/WebRoot/WEB-INF/lib" includes="*.jar" />
	</path>

	<javac srcdir="${project.src}" destdir="${project.build}/WEB-INF/classes" debug="true" listfiles="true">
			<classpath refid="classpath" />
			<include name="**/*.java"/>
			<exclude name="**/*.xml"/>
			<exclude name="**/*.properties"/>
	</javac>
		
		

listfiles 显示编译文件列表

debug 显示调试信息，编译错误信息

		
<?xml version="1.0"?>
<project name="test" default="doFoo" basedir=".">
  <property name="directory" value="/www/directory"/>

  <target name="doFoo" depends="dir.check" if="dir.exists">
    <echo>${directory} exists</echo>
  </target>

  <target name="doBar" depends="dir.check" unless="dir.exists">
    <echo>${directory} missing"</echo>
  </target>

  <target name="dir.check">
    <condition property="dir.exists">
      <available file="${directory}" type="dir"/>
    </condition>
  </target>
</project>		
		
		

		
<project name="{{ name }}" default="help" basedir=".">
  
  <property name="username" value="{{ username }}"/>
  <property name="host" value="{{ host }}"/>
  <property name="dir" value="/srv/{{ path }}/"/>

  <tstamp>
    <format property="TODAY_UK" pattern="yyyyMMddhhmmss" locale="en,UK"/>
  </tstamp>

  <target name="help" description="show available commands" >
    <exec executable="ant" dir="." failonerror="true">
      <arg value="-p"/>
    </exec>
  </target>
  
  <target name="deploy-to" description="show where we are deploying to" >
    <echo>${username}@${host}:${dir}</echo>
  </target>

  <target name="deploy" description="deploy usng rsync" >
    <exec executable="rsync" dir="." failonerror="true">
      <arg value="-r"/>
      <arg value="."/>
      <arg value="${username}@${host}:${dir}"/>
      <arg value="--exclude-from=rsync.excludes"/>
      <arg value="-v"/>
    </exec>
  </target>

  <target name="deploy-test" description="test deploy usng rsync with the dry run flag set" >
    <exec executable="rsync" dir="." failonerror="true">
      <arg value="-r"/>
      <arg value="."/>
      <arg value="${username}@${host}:${dir}"/>
      <arg value="--exclude-from=rsync.excludes"/>
      <arg value="--dry-run"/>
      <arg value="-v"/>
    </exec>
  </target>

  <target name="backup" description="backup site" >
    <exec executable="scp" dir="." failonerror="true">
      <arg value="-r"/>
      <arg value="${username}@${host}:${dir}"/>
      <arg value="backups/${TODAY_UK}"/>
    </exec>
  </target>

</project>		
		
		

			
<sshexec host="${remove}" keyfile="~/.ssh/id_rsa" command="/srv/apache-tomcat/bin/catalina.sh stop -force" />			
			
			

		
		
<if>
  <available file="my_directory" type="dir" />
  <then>
    <echo message="Directory exists" />
  </then>
  <else>
    <echo message="Directory does not exist" />
  </else>
</if>		
		
		
		

		

$ cat build.xml 
<project name="Attachments" default="print">
    <property name="numAttachments" value="20" />
    <target name="generate">
        <script language="javascript"><![CDATA[
            var list = '1';
            var limit = project.getProperty( "numAttachments" );
            for (var i=2;i<limit;i++)
            { 
                list = list + ',' + i;
            }
            project.setNewProperty("list", list);            
		print(list);
        ]] >
        </script>    
    </target>
</project>

		
		

		
$ ant generate
Buildfile: /www/testing/build.xml

generate:
   [script] 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19

BUILD SUCCESSFUL
Total time: 0 seconds