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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>Understanding Web Service References</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T16:11:32Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Understanding Web Service References" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E11947-01" /> <link rel="copyright" href="dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="up" href="preface.htm" title="Home" type="text/html" /> <link rel="up" href="advnc.htm" title="Advanced Programming Techni..." type="text/html" /> <link rel="up" href="advnc_web_services.htm" title="Implementing Web Services" type="text/html" /> <link rel="up" href="advnc_web_about.htm" title="Understanding Web Service R..." type="text/html" /> <link rel="prev" href="advnc_web_services.htm" title="Previous" type="text/html" /> <link rel="next" href="advnc_web_ssl.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface.htm" title="Home">Home</a> > <a href="advnc.htm" title="Advanced Programming Techni...">Advanced Programming Techni...</a> > <a href="advnc_web_services.htm" title="Implementing Web Services">Implementing Web Services</a> > Understanding Web Service R...</p> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="advnc_web_services.htm"><img src="dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="advnc_web_ssl.htm"><img src="dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABDCIBH" name="BABDCIBH"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1><a name="HTMDB25882" id="HTMDB25882"></a>Understanding Web Service References</h1> <p>To <a id="sthref2251" name="sthref2251"></a><a id="sthref2252" name="sthref2252"></a>utilize Web services in Oracle Application Express, you create a Web service reference using a wizard. Web service references can be based either on a Web Services Description Language (<a id="sthref2253" name="sthref2253"></a>WSDL) document or created manually by supplying information about the service.</p> <p>When you create a Web service reference based on a WSDL, the wizard analyzes the WSDL and collects all the necessary information to create a valid SOAP message, including:</p> <ul> <li> <p>The URL used to post the SOAP request over HTTP(S)</p> </li> <li> <p>A Universal Resource Identifier (URI) identifying the SOAP HTTP request</p> </li> <li> <p>Operations of the Web Service</p> </li> <li> <p>Input parameters for each operation</p> </li> <li> <p>Output parameters for each operation</p> </li> </ul> <p>When you create a Web service reference manually, you supply the necessary information to create a valid SOAP request, including:</p> <ul> <li> <p>The URL used to post the SOAP request over HTTP(S)</p> </li> <li> <p>A Universal Resource Identifier (URI) identifying the SOAP HTTP request</p> </li> <li> <p>The SOAP envelope for the request, including any item substitutions</p> </li> <li> <p>Optionally the name of a collection to store the response from the Web service</p> </li> </ul> <a id="BABBFIDF" name="BABBFIDF"></a> <div class="sect3"><!-- infolevel="all" infotype="General" --> <h2><a name="HTMDB25883" id="HTMDB25883"></a>Accessing the Web Service <a id="sthref2254" name="sthref2254"></a>References Page<a id="sthref2255" name="sthref2255"></a></h2> <p>You manage Web service references on the Web Service References page.</p> <p>To access the Web Service References page:</p> <ol> <li> <p>On the Workspace home page, click the <span class="bold">Application Builder</span> icon.</p> </li> <li> <p>Select an application.</p> <p>Application Builder appears.</p> </li> <li> <p>Click <span class="bold">Shared Components</span>.</p> <p>The Shared Components page appears.</p> </li> <li> <p>Under Logic, click <span class="bold">Web Service References</span>.</p> <p>The Web Service References page appears.</p> </li> </ol> </div> <!-- class="sect3" --> <div class="sect3"><!-- infolevel="all" infotype="General" --><a id="sthref2256" name="sthref2256"></a> <h2><a name="HTMDB25884" id="HTMDB25884"></a>Specifying an Application Proxy Server Address<a id="sthref2257" name="sthref2257"></a><a id="sthref2258" name="sthref2258"></a></h2> <p>If your environment requires a proxy server to access the Internet, you must specify a proxy server address on the Application Attributes page before you can create a Web service reference.</p> <p>To specify a proxy address for an application:</p> <ol> <li> <p>On the Workspace home page, click the <span class="bold">Application Builder</span> icon.</p> </li> <li> <p>Select an application.</p> <p>Application home page appears.</p> </li> <li> <p>Click <span class="bold">Shared Components</span>.</p> </li> <li> <p>Under Application, click <span class="bold">Definition</span>.</p> </li> <li> <p>Under Name, enter the proxy server in the Proxy Server field.</p> </li> <li> <p>Click <span class="bold">Apply Changes</span>.</p> </li> </ol> </div> <!-- class="sect3" --></div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2003, 2009, Oracle and/or its affiliates. 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