Tutorial to develop build files using ANT

1. How to write a simple ANT build files for the Enterprise projects.
1/30/2015 Ravi Reddy (Ravinder Nancherla) 1

2. ANT Tutorials
 Tutorials How to write a build file for a simple Java project
Create a simple sample project in your eclipse IDE, Below is the screen shot and build script.
1/30/2015 Ravi Reddy (Ravinder Nancherla) 2

3. ANT Tutorials
 Build.xml
<project name="TestAnt" basedir="." default="run">
<!-- Clean Target -->
<target name="clean">
<delete dir="build"/>
</target>
<!-- Compile Target -->
<target name="compile">
<mkdir dir="build/classes"/>
<javac srcdir="src" destdir="build/classes"/>
</target>
<!-- Make JAR Target -->
<target name="jar">
<mkdir dir="build/jar"/>
<jar destfile="build/jar/TestAnt.jar" basedir="build/classes">
<manifest>
<attribute name="Main-Class" value="com.test.ant.EmployeeTestClient"/>
</manifest>
</jar>
</target>
<!-- Run JAR to execute the main class. -->
<target name="run">
<java jar="build/jar/TestAnt.jar" fork="true"/>
</target>
</project>
1/30/2015 Ravi Reddy (Ravinder Nancherla) 3

4. ANT Tutorials
 Tutorials How to write a build file for a simple Java Web project
Create a simple sample web project in your eclipse IDE, Below is the screen shot and
build script.
1/30/2015 Ravi Reddy (Ravinder Nancherla) 4

5. ANT Tutorials
 Build.xml
<?xml version="1.0"?>
<project name="AntTestForWebApp" default="buildWar" basedir=".">
<property name="baseDir" value="${basedir}" />
<property name="src" value="${baseDir}/src" />
<property name="webRoot" value="${baseDir}/WebRoot" />
<property name="warDir" value="${baseDir}/build/war" />
<property name="libDir" value="${warDir}/WEB-INF/lib" />
<path id="libClasspath">
<fileset dir="${webRoot}/WEB-INF/lib" includes="**/*.jar" />
</path>
<!-- ========================= **** Clean Target **** =========================-->
<target name="clean">
<delete dir="${baseDir}/build" />
</target>
<!-- ========================= **** Init Target **** =========================-->
<target name="init">
<!-- Create Web-INF,lib, classes, META-INF directories -->
<mkdir dir="${libDir}" />
<mkdir dir="${warDir}/WEB-INF" />
<mkdir dir="${warDir}/WEB-INF/classes" />
<mkdir dir="${warDir}/META-INF" />
</target>
1/30/2015 Ravi Reddy (Ravinder Nancherla) 5

6. ANT Tutorials
<!-- =================== **** COMPILE **** =======================================
Compile Java Files and place the following things in
1) *.classes files in WEB-INF/classes
2) *.jar files in WEB-INF/lib
3) web.xml in WEB-INF
4) *.jsp files in parent directory path build/war
================================================================================ -->
<target name="compile" depends="init">
<javac srcdir="${src}" destdir="${warDir}/WEB-INF/classes" debug="true" includes="**/*.java"
optimize="on">
<classpath refid="libClasspath" />
</javac>
<copy todir="${libDir}">
<fileset dir="${webRoot}/WEB-INF/lib" includes="**/*.jar" />
</copy>
<copy todir="${warDir}/WEB-INF">
<fileset dir="${webRoot}/WEB-INF" includes="web.xml" />
</copy>
<copy todir="${warDir}">
<fileset dir="${webRoot}" includes="*.jsp" />
</copy>
</target>
1/30/2015 Ravi Reddy (Ravinder Nancherla) 6

7. ANT Tutorials
<!-- ========================= **** Create the WAR File **** =========================-->
<target name="buildWar">
<!-- Option 1: Using <jar> create war file and place WAR file in BUILD directory -->
<!--
<jar jarfile="${baseDir}/build/AntTestForWebApp.war" basedir="${warDir}" />
-->
<!-- Option 2: Using <war> create war file and place WAR file in BUILD directory -->
<war destfile="${baseDir}/build/AntTestForWebApp.war" webxml="${warDir}/WEB-INF/web.xml">
<zipfileset dir="${warDir}"/>
</war>
</target>
</project>
1/30/2015 Ravi Reddy (Ravinder Nancherla) 7

8. ANT Tutorials
 Tutorials How to write a build file for a simple Java Web project
Create a simple sample EAR project in your eclipse IDE, Below is the screen
shot and build script.
1/30/2015 Ravi Reddy (Ravinder Nancherla) 8

9. ANT Tutorials
1/30/2015 Ravi Reddy (Ravinder Nancherla) 9
<?xml version = "1.0" encoding = "UTF-8"?>
<!-- ==========================================================================-->
<!-- Trying Build file for EAR Application -->
<!-- build.xml, Friday, August 27, 2010 -->
<!-- Author: Ravinder Nancherla -->
<!-- Email: ravinder.nancherla@gmail.com -->
<!-- Copyright(c) 2010 Ravinder Nancherla (Ravi Reddy)., All Rights Reserved. -->
<!-- ========================================================================= -->
<project name="AntEarWarJar" default="buildEar" basedir=".">
<property name="webModule" value="C:/SravanthiPractice/AntEarWarJarWeb"/>
<property name="ejbModule" value="C:/SravanthiPractice/AntEarWarJarEJB"/>
<property name="baseDir" value="${basedir}"/>
<property name="build" value="${baseDir}/build"/>
<property name="jarDir" value="${baseDir}/build/jar"/>
<property name="warDir" value="${baseDir}/build/war"/>
<property name="earDir" value="${baseDir}/build/ear"/>
<property name="webRootDir" value="${webModule}/WebRoot/WEB-INF"/>
<property name="webDir" value="${warDir}/WEB-INF"/>
<path id="libClasspath">
<fileset dir="${webRootDir}/lib" includes="**/*.jar" />
</path>

10. ANT Tutorials
<!-- Cleaning the build directory -->
<target name="clean">
<delete dir="${build}"/>
</target>
<!-- Initializing/Creating the directories -->
<target name="init" depends="clean">
<mkdir dir="${jarDir}/classes"/>
<mkdir dir="${jarDir}/jar"/>
<mkdir dir="${warDir}/META-INF"/>
<mkdir dir="${webDir}/classes"/>
<mkdir dir="${webDir}/lib"/>
<mkdir dir="${earDir}/META-INF"/>
</target>
<!-- Compiling and copying the files from EjbModule and WebModiule -->
<target name="compile" depends="init">
<javac srcdir="${ejbModule}/src" destdir="${jarDir}/classes" includes="**/*.java"/>
<javac srcdir="${webModule}/src" destdir="${webDir}/classes" includes="**/*.java">
<classpath refid="libClasspath"/>
</javac>
<copy todir="${webDir}/lib">
<fileset dir="${webRootDir}/lib" includes="**/*.jar"/>
</copy>
1/30/2015 Ravi Reddy (Ravinder Nancherla) 10

11. ANT Tutorials
<copy todir="${webDir}">
<fileset dir="${webRootDir}" includes="web.xml"/>
</copy>
<copy todir="${warDir}">
<fileset dir="${webModule}/WebRoot" includes="**/*.jsp"/>
</copy>
<copy todir="${earDir}/META-INF">
<fileset dir="${baseDir}/META-INF" includes="**/*.*"/>
</copy>
</target>
<!-- Creating Jar File -->
<target name="buildJar" depends="compile">
<jar jarfile="${earDir}/${ant.project.name}.jar" basedir="${jarDir}"/>
<jar jarfile="${jarDir}/jar/${ant.project.name}.jar" basedir="${jarDir}"/>
</target>
<!-- Creating War File -->
<target name="buildWar" depends="compile">
<jar jarfile="${earDir}/${ant.project.name}.war" basedir="${warDir}"/>
</target>
<!-- Creating Ear File -->
<target name="buildEar" depends="buildJar,buildWar">
<jar jarfile="${build}/${ant.project.name}.ear" basedir="${earDir}"/>
</target>
</project>
1/30/2015 Ravi Reddy (Ravinder Nancherla) 11