Using of Ant

Firstly download ant package from Apache site.
http://ant.apache.org/antlibs/bindownload.cgi

After downloading the ant package extract the package and follow below metioned steps:-

How to set Environment variable in linux
Create a file with name of ant_file.sh  in directory (i.e.  /etc/profile.d/ )

vi /etc/profile.d/ant_file.sh
Add the following contents:

#!/bin/bash
ANT_HOME=/opt/ant
PATH=$ANT_HOME/bin:$PATH
export PATH ANT_HOME
export CLASSPATH=.

Save and close the file.  (:wq!)

#> chmod +x /etc/profile.d/ant_file.sh
Set environment variables permanently by running the following command:

#> source /etc/profile.d/ant_file.sh

Now, check the ant install with ant version using command:

#> ant -version

Example of Ant:-


<project name="JSD" default="war" basedir=".">
    <description>
        jsd education War file
    </description>
  <!-- set global properties for this build -->
  <property environment="env"/>
  <property name="src" location="src"/>
  <property name="build" location="build"/>
  <property name="lib.dir" value="WebContent/WEB-INF/lib"/>



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

  </path>

  <target name="init" depends="clean">
    <!-- Create the time stamp -->
    <tstamp/>
    <!-- Create the build directory structure used by compile -->
    <mkdir dir="${build}/classes"/>
  </target>

  <target name="compile" depends="init" description="compile the source " >
    <!-- Compile the java code from ${src} into ${build} -->
<path id="lib.path.ref">
<fileset dir="" includes="*.jar"/>
</path>
    <javac srcdir="${src}" destdir="build/classes">
<classpath refid="compile.classpath"/>
</javac>
<copy todir="build/classes" flatten="no">
            <fileset dir="${src}">
                <include name="**/*.xml"/>
            </fileset>
    </copy>
  </target>


  <target name="war" depends="compile" description="generate the distribution" >
    <!-- Create the distribution directory -->
<copy todir="build/classes" flatten="no">
            <fileset dir="${src}">
                <include name="/com/jsd/education/db/dao/hbm/*.xml"/>
             
            </fileset>
        </copy>
 
<war destfile="${build}/JSD.war" webxml="WebContent/WEB-INF/web.xml">

 <classes dir="build/classes"/>
 <fileset dir="WebContent">
  <exclude name="**/*.jar"/>
 </fileset>
 <exclude name="${lib.dir}/*.jar"/>
</war>
<delete dir="${build}/classes"/>
  </target>

  <target name="clean"
        description="clean up" >
    <!-- Delete the ${build} and ${dist} directory trees -->
    <delete dir="${build}"/>
  </target>


</project>