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<h1>Code Generator Wizard Guide for Eclipse Plug-in</h1>
<p>This document explains the usage of this code generator plug-in
for Eclipse. In other words, this document will guide you through
the operations of generating a WSDL file from a Java class and/or
generating a Java class file from a WSDL file.</p>
<p><a href="http://ws.apache.org/axis2/tools/index.html" target=
"_blank">[Download Plugin Tool]</a></p>
<h2>Content</h2>
<ul>
<li><a href="#intro">Introduction</a></li>
<li><a href="#installation">Installation</a></li>
<li><a href="#operation1">Operation - WSDL2Java</a></li>
<li><a href="#operation2">Operation - Java2WSDL</a></li>
</ul>
<a name="intro" id="intro"></a>
<h2>Introduction</h2>
<p>The Axis2 code generator comes built-in with an <a href=
"http://www.eclipse.org">Eclipse</a> plug-in. This plug-in can be
used to generate a WSDL file from a java class (Java2WSDL) and/or a
java class file from a WSDL (WSDL2Java). First you need to install
the plug-in. The instructions for the installation process are
given below.</p>
<a name="installation" id="installation"></a>
<h2>Installation</h2>
<p>One can easily <a href=
"http://ws.apache.org/axis2/tools/index.html">download</a> the
plugin</p>
<p>If one needs to build the plug-in from source, Maven2 and Ant
builds arevailabe. Please refer the readme.txt located at
module/tools on Axis2 source.</p>
<p>Once you've obtained the plug-in just unzip the content of the
plug-in archive to the Eclipse plug-in directory (if it is the
zipped-binary version) or copy the necessary folders to the Eclipse
plug-in directory and restart Eclipse.</p>
<p><strong>NOTE</strong> : This plug-in works on Eclipse version
3.1 and upwards, also the java version should be 1.4 or higher. The
provided screen shots may slightly differ with what the user would
actually see but the functionality has not been changed.</p>
<a name="operation1" id="operation1"></a>
<h2>Operation - WSDL2Java</h2>
<p>If the plug-in is properly installed you should see a new wizard
under the "New" section.(use the File -&gt; New -&gt; Other or Ctrl
+ N )</p>
<p><img border="0" src="images/wsdl2java-screen0.png" /></p>
<p>Selecting the wizard and pressing the "Next" button will start
the code generator wizard. Following is the first wizard page.</p>
<p><strong>Page 1:</strong></p>
<p><img src="images/wsdl2java-screen1.png" /></p>
<p>Selecting the "Generate Java source code from WSDL file" option
and clicking "Next" leads to the following page.</p>
<p><strong>WSDL2Java Page 2 :</strong></p>
<p><img border="0" src="images/wsdl2java-screen2.png" /></p>
<p>To move on to the next page the WSDL file location must be
given. The "Browse" button can be used to easily browse for a file
rather than typing the whole path.</p>
<p><strong>WSDL2Java Page 3 :</strong></p>
<p>Once the WSDL file is selected, the next page will take you to
the page from where <strong>codegen options</strong> are to be
selected. By far this is the most important page in this wizard.
This page determines the characteristics of the code being
generated.</p>
<p>Novices need not worry about these options since the most common
options are defaulted, but advanced users will find it very easy to
turn the knobs using these options.</p>
<p><img border="0" src="images/wsdl2java-screen3.png" /></p>
<p>What advanced users can do is select custom from the select
codegen options drop down list and then change/edit the fields that
you need.</p>
<p><img border="0" src="images/wsdl2java-screen31.png" /></p>
<p>Once the options are selected, only the final step of the code
generation is left which is the selection of the output file
location.</p>
<p><strong>WSDL2Java Page 4 :</strong></p>
<p>Here you can select the output file path by typing or browsing
using the "Browse" button. You have the option of browsing only
eclipse workspace projects by selecting the "Add the source to a
project on current eclipse workspace" radio button. Or else you
have the option to save the codegen resutls to file system</p>
<p><img border="0" src="images/wsdl2java-screen4.png" /></p>
<p>Here also you have the option to add some value to the codegen
results. If you have enabled the check box "Add Axis2 libraries to
the codegen result project" then all other controls below will get
enabled. What you can do is point the downloaded Axis2_HOME
location via the "Browse" button. Then you can verify the
availability of the Axis2 libs by clicking on the "Check Libs"
button. If all goes well then you can add the axis 2 libs to the
codegen results location. Another option is available to generate a
jar file if the user needs to add the codegen results to a project
as a compiled jar file to the selected locations lib directory.</p>
<p><img border="0" src="images/wsdl2java-screen41.png" /></p>
<p>When the output file location is selected, the "Finish" button
will be enabled. Clicking the "Finish" button will generate the
code and a message box will pop up acknowledging the success. Well
Done! You've successfully completed Axis2 code generation.</p>
<a name="operation2" id="operation2"></a>
<h2>Operation - Java2WSDL</h2>
<p><strong>Page 1:</strong></p>
<p>For this operation you need to select the option which says
"Generate a WSDL from a Java source file"</p>
<p><img border="0" src="images/java2wsdl-screen0.png" /></p>
<p>Then click the "Next" button which will lead to the next page
below.</p>
<p><strong>Java2WSDL Page 2:</strong></p>
<p><img border="0" src="images/java2wsdl-screen1.png" /></p>
<p>In this page one needs to select the class to be exposed and the
relevant jar files /classes to be loaded as the classpath. After
the libraries have been set, the "Test Class Loading" button must
be clicked in order to test whether the class is loadable. Unless
the class loading is successful proceeding to the "Next" button
will not be enabled.</p>
<p>Once the classloading is successful and "Next" button is clicked
the page below will appear.</p>
<p><strong>Java2WSDL Page 3:</strong></p>
<p>This page allows the parameters to be modified by setting the
options for the generator.</p>
<p><img border="0" src="images/java2wsdl-screen2.png" /></p>
<p><strong>Java2WSDL Page 4:</strong></p>
<p>Here you can select the output file path by typing or browsing
using the "Browse" button. You have the option of browsing only
Eclipse workspace projects by selecting the "Add the source to a
project on current eclipse workspace" radio button . Or else you
have the option to save the codegen resutls to file system. Once
the output file location and the output WSDL file name is added you
can click the "Finish" button to complete generation.</p>
<p><img border="0" src="images/java2wsdl-screen3.png" /></p>
<p>If a message box pops up acknowledging the success, then you've
successfully completed the Java2WSDL code generation.</p>
<h1>Appendix</h1>
<ul>
<li>Eclipse reference - <a href=
"http://www.eclipse.org/">http://www.eclipse.org/</a></li>
<li>Custom Ant Tasks - <a href=
"http://ant.apache.org/manual/develop.html">http://ant.apache.org/manual/develop.html</a></li>
</ul>
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