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  1. Introduction
  2. Installing Eclipse
  3. Preparations
  4. Classpath settings
  5. portlet.xml
  6. web.xml
  7. xwork.xml
  8. JBoss Portal descriptors
  9. Deployment
  10. Next step
  11. Re-deployment

...

Before buliding the application itself, we need to add some required jar files to the build classpath and the WEB-INF/lib folder. Firstly, create the WEB-INF/lib folder and download the WebWork 2.2.1 distribution and unzip it to your local harddrive. Locate the jar files shown in the screenshot and and put them in the newly created WEB-INF/lib folder. Select all the jar files, and right click and select "Build Path -> Add to Build Path". Now your local project should look similar to the screenshot.

portlet.xml
Anchor
portlet.xml
portlet.xml

Next thing we do is create a portlet.xml file in the WEB-INF folder. In this file, write the following:

Code Block

<portlet-app version="1.0" xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd">
  <portlet>
    <description xml:lang="EN">My very first WebWork Portlet</description>
    <portlet-name>MyPortlet</portlet-name>
    <display-name xml:lang="EN">My first WebWork Portlet</display-name>
    
    <portlet-class>com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher</portlet-class>

    <init-param>
      <!-- The view mode namespace. Maps to a namespace in the xwork config file -->
      <name>viewNamespace</name>
      <value>/view</value>
    </init-param>
    <init-param>
      <!-- The default action to invoke in view mode -->
      <name>defaultViewAction</name>
      <value>index</value>
    </init-param>

    <expiration-cache>0</expiration-cache>

    <supports>
      <mime-type>text/html</mime-type>
    </supports>

    <supported-locale>en</supported-locale>

    <portlet-info>
      <title>My very own WebWork Portlet</title>
      <short-title>WWPortlet</short-title>
      <keywords>webwork,portlet</keywords>
    </portlet-info>
  </portlet>
</portlet-app>
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This portlet.xml file sets up the portlet using the com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher Portlet implementation. It also tells the 
 Portlet that it will map the view portlet mode to a /view namespace in the XWork configuration, which we must remember when building our XWork actions. In
 addition, it tells the portlet that if it does not find an action parameter in the portlet request, the default action to invoke is the "index" action, which
 should reside in the /view namespace in our xwork configuration.