Run Struts 2 Hello World Application

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In this section, you will learn how to run "Hello World" Application. You follows the following instructions:

First of all compile your application. If you want to compile this application you need ANT building tools. ANT is used to deploy the hole application into specified directory. Ant works according to given instruction in build.xml file. In build.xml file contains all the information regarding deploy the application. Here, we specify all jars to help set class path.

build.xml:

 <project name="struts2helloworldapplication"

 basedir="../" default="all">

      

          <!-- Project settings -->

          <property name="project.title" value="Welcome

 to Struts 2 Hello World Application"/>

        <property name="project.jar.file" 

      value="struts2helloworldapplication.jar"/>

      

      

          <path id="class.path">

          <fileset dir="lib">

            <include name="**/*.jar"/>

          </fileset>

          </path>

      

      

          <!-- Classpath for Project -->

          <path id="compile.classpath">

            <pathelement path ="lib/commons-beanutils.jar"/>

            <pathelement path ="lib/commons-digester.jar"/>

            <pathelement path ="lib/struts.jar"/>

            <pathelement path ="lib/servlet-api.jar"/>

            <pathelement path ="classes"/>

            <pathelement path ="${classpath}"/>

          </path>

      

      

          <!-- Check timestamp on files -->

          <target name="prepare">

            <tstamp/>

              <copy

              file="src/struts.xml"

              todir="src/classes"/>

          </target>

      

      

          <!-- Copy any resource or configuration files -->

          <target name="resources">

            <copy todir="src/classes" includeEmptyDirs="no">

              <fileset dir="src/java">

              <patternset>

                <include name="**/*.conf"/>

                <include name="**/*.properties"/>

                <include name="**/*.xml"/>

              </patternset>

              </fileset>

            </copy>

          </target>

      

      

          <!-- Normal build of application -->

          <target name="compile" depends="prepare,resources">

            <javac srcdir="src" destdir="src/classes"

 debug="true" 

      debuglevel="lines,vars,source">

              <classpath refid="class.path"/>

            </javac>

            <jar

            jarfile="lib/${project.jar.file}"

            basedir="src/classes"/>

          </target>

      

      

          <!-- Remove classes directory for clean build -->

          <target name="clean"

            description="Prepare for clean build">

            <delete dir="classes"/>

            <mkdir  dir="classes"/>

          </target>

      

      

          <!-- Build Javadoc documentation -->

          <target name="javadoc"

           description="Generate JavaDoc API docs">

            <delete dir="./doc/api"/>

            <mkdir dir="./doc/api"/>

            <javadoc sourcepath="./src/java"

              destdir="./doc/api"

              classpath="${servlet.jar}:${jdbc20ext.jar}"

              packagenames="*"

              author="true"

              private="true"

              version="true"

              windowtitle="${project.title} API Documentation"

              doctitle="&lt;h1&gt;${project.title} Documentation

 (Version ${project.version})&lt;/h1&gt;"

              bottom="Copyright &#169; 2002">

              <classpath refid="compile.classpath"/>

            </javadoc>

          </target>

      

      

          <!-- Build entire project -->

          <target name="project" depends="clean,prepare,compile"/>

      

      

          <!-- Create binary distribution -->

          <target name="dist"

            description="Create binary distribution">

      

            <mkdir

            dir="${distpath.project}"/>

            <jar

            jarfile="${distpath.project}/${project.distname}.jar"

            basedir="./classes"/>

            <copy

            file="${distpath.project}/${project.distname}.jar"

            todir="${distpath.project}"/>

      

            <war

            basedir="../"

            warfile="${distpath.project}/${project.distname}.war"

            webxml="web.xml">

            <exclude name="${distpath.project}

      /${project.distname}.war"/>

             </war>

      

          </target>

      

      

          <!-- Build project and create distribution-->

        <target name="all" depends="project"/>

      

      </project>

To deploy the application:

Go into your application where build.xml file. Open Dos prompt and type cd C:\apache-tomcat-6.0.14\webapps\struts2HelloWorldApplication\WEB-INF\src

And type "ant" then you get the following output:

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\biru>cd C:\apache-tomcat-6.0.14\webapps\struts2HelloWo
rldApplication\WEB-INF\src

C:\apache-tomcat-6.0.14\webapps\struts2HelloWorldApplication\WEB-INF\src>ant
Buildfile: build.xml

clean:
[delete] Deleting directory C:\apache-tomcat-6.0.14\webapps\struts2HelloWorld
Application\WEB-INF\classes
[mkdir] Created dir: C:\apache-tomcat-6.0.14\webapps\struts2HelloWorldApplic
ation\WEB-INF\classes

prepare:

resources:

compile:
[javac] Compiling 1 source file to C:\apache-tomcat-6.0.14\webapps\struts2He
lloWorldApplication\WEB-INF\src\classes
[jar] Building jar: C:\apache-tomcat-6.0.14\webapps\struts2HelloWorldAppli
cation\WEB-INF\lib\struts2helloworldapplication.jar

project:

all:

BUILD SUCCESSFUL
Total time: 2 seconds
C:\apache-tomcat-6.0.14\webapps\struts2HelloWorldApplication\WEB-INF\src>

Your application is deployed successfully. Then run your tomcat and get the following:

Open your web browser and type: http://localhost:8080/struts2HelloWorldApplication/ . Press enter then you will get:

Click on "Hello World Application" Then you will get: