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| <title>Top Down Web Service Supporting Flexible Projects</title> |
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| <td width="60%" align="left"><font class="indextop">Top Down Web Service Supporting Flexible Projects</font> |
| <br> |
| <font class="indexsub">Top Down Web Service Supporting Flexible Projects</font></td><td width="40%"><img width="120" hspace="50" height="86" align="middle" src="../../../../../..//images/Idea.jpg"></td> |
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| <p> |
| |
| <b>By Kathy Chan</b> |
| |
| <br> |
| April 29, 2005 |
| <br> |
| |
| <br> |
| |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td valign="top" bgcolor="#0080c0" align="left" colspan="2"><b><font face="Arial,Helvetica" color="#ffffff">Introduction</font></b></td> |
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| <td valign="top" align="right"> </td><td valign="top"> |
| <br> |
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| <p> |
| This document is a one of a series of tutorials to |
| demonstrate the use of the Web Services tools in the Web |
| Tools Platform Project using the <b>M4 driver</b>. |
| </p> |
| </td> |
| </tr> |
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| <p> |
| This tutorial shows how to create a simple top-down Web |
| service from a WSDL file. The WSDL file in this scenario |
| calculates the area of an rectangle. |
| |
| </p> |
| </td> |
| </tr> |
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| <td valign="top" bgcolor="#0080c0" align="left" colspan="2"><b><font face="Arial,Helvetica" color="#ffffff">Set Up</font></b></td> |
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| <br> |
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| <p> |
| Before creating the Web service, there are two |
| prerequisites: |
| <ol> |
| |
| <li> |
| |
| <a href="InstallTomcat.html"> |
| Install Apache Tomcat |
| </a> |
| |
| </li> |
| |
| <li>Create a Web project</li> |
| |
| <ol> |
| |
| <li> |
| Open |
| <b> |
| File -> New -> Other... -> Web -> J2EE Web |
| Module |
| </b> |
| to create a new flexible project and Web module |
| . |
| </li> |
| |
| <li>Click <b>New...</b> |
| </li> |
| |
| <li> |
| Enter |
| <tt>AreaProject</tt> |
| into the |
| <b>Name</b> |
| field. |
| </li> |
| |
| |
| <li> |
| Ensure that the |
| <b>Target server</b> |
| is set to |
| <b>Apache Tomcat v5.0</b> |
| . |
| </li> |
| |
| <li>Click <b>Finish</b>. Result: </li> |
| |
| <br> |
| |
| <img border="0" SRC="resources/AreaProject.JPG"> |
| <li> |
| Enter |
| <tt>area</tt> |
| into the |
| <b>Module Name</b> |
| field. |
| . Result: |
| </li> |
| |
| |
| <br> |
| |
| <img border="0" SRC="resources/area.JPG"> |
| <li> |
| Click |
| <b>Finish</b> |
| . |
| </li> |
| |
| </ol> |
| |
| |
| </ol> |
| |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td valign="top" bgcolor="#0080c0" align="left" colspan="2"><b><font face="Arial,Helvetica" color="#ffffff">Create a top down Java bean Web service</font></b></td> |
| </tr> |
| <tr> |
| <td valign="top" align="right"> </td><td valign="top"> |
| <ol> |
| |
| <li> |
| Import the file |
| <a href="../../M3/tutorials/resources/TopDownWebService/AreaService.wsdl">AreaService.wsdl</a> |
| into AreaProject/WebContent. |
| </li> |
| |
| |
| <li>Select the <b>AreaService.wsdl</b> file.</li> |
| |
| |
| <li> |
| Open File -> New -> Other... -> Web Services -> Web |
| Service. |
| </li> |
| |
| |
| <li> |
| In the Web service type combo, select |
| <b>Skeleton Java bean Web Service</b> |
| . |
| </li> |
| |
| |
| <li> |
| Select |
| <b>Overwrite files without warning</b> |
| . Result: |
| </li> |
| |
| <br> |
| |
| |
| <img border="0" SRC="resources/td1.JPG"> |
| <li> |
| Click |
| <b>Next</b> |
| . Result: |
| </li> |
| |
| <br> |
| |
| <img border="0" src="resources/td2.JPG"> |
| <li> |
| Click |
| <b>Next</b> |
| to get to the |
| <b>Service Deployment Configuration Page</b> |
| . Result: |
| </li> |
| |
| <br> |
| |
| <img border="0" src="resources/td3.JPG"> |
| <li> |
| If you want to choose a server different |
| from the one defaulted by the wizard, click the |
| <b>Edit</b> |
| button to: |
| <a href="SelectServer.html"> |
| select a server |
| </a> |
| |
| </li> |
| |
| <li> |
| Click |
| <b>Finish</b>. |
| </li> |
| |
| <li> |
| It will take about one minute for the wizard to assemble |
| the Web service projects, start Apache Tomcat and deploy |
| the projects to Tomcat. Once finished, the Java |
| implementation file |
| <b>AreaServiceSOAPImpl.java</b> |
| will appear in the browser view. Fill in |
| <b>parameters.getHeight()*parameters.getWidth()</b> |
| as the return value and save the file. |
| </li> |
| |
| |
| <br> |
| |
| <img border="0" SRC="resources/td4.JPG"> |
| </ol> |
| </td> |
| </tr> |
| <tr> |
| <td valign="top" align="right"> </td><td valign="top"> |
| <p> |
| Follow the instruction at |
| <a href="WebServiceClient.html"> |
| Creating Web Service Client |
| </a> |
| to create a Web service client to test this Web service. |
| </p> |
| </td> |
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