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 <h1 class="topictitle1">Discovering Web Services</h1>


 <div><p>Web services can be located through a public business registry,
 a private business registry, or a WSIL document. UDDI manages the discovery
 of Web services by relying on a distributed registry of businesses and their
 service descriptions implemented in a common XML format.</p>

 <div class="p"><div class="p">Prerequisites:<ol>
 <li><a href="treg.html">Register with a registry</a></li>

 <li><a href="tstrtexp.html">Launch the Web Services Explorer</a></li>

 <li><a href="taddreg.html">Add the registry to the Web Services Explorer</a></li>

 </ol>
 </div>
 </div>

 <div class="section"><p>Web Services Inspection Language (WSIL) is a service discovery
 mechanism that is an alternative to UDDI as well as complementary to UDDI.
 WSIL allows you to go directly to the service provider and ask for the services
 it provides. For more information on the Web Services Inspection Language
 specification, refer to  <a href="http://www-106.ibm.com/developerworks/webservices/library/ws-wsilspec.html" target="_blank">www.ibm.com/developerworks/webservices/library/ws-wsilspec.html</a>.
  .</p>
 <p>You can discover a Web service in two ways using the Web Services
 Explorer:</p>
 </div>

 <div class="section"><ul>
 <li> Discovering a Web service from a UDDI registry </li>

 <li> Discovering a Web service from a WSIL document </li>

 </ul>
 </div>

 </div>

 <div class="nested1" xml:lang="en-us" id="discover_from_uddi"><a name="discover_from_uddi"><!-- --></a>
 <h2 class="topictitle2"> Discovering a Web Service from a UDDI Registry</h2>

 <div>
 <div class="section"><p>The registry contains URL references to Web service WSDL documents.
 In order to discover a Web service the URL to the Web service WSDL document
 must be resolvable. To locate Web service descriptions:</p>
 </div>

 <ol>
 <li><span>Launch the Web Services Explorer</span></li>

 <li><span>Click <span class="uicontrol">UDDI Main</span>.</span></li>

 <li><span>In the Actions pane select a registry from the drop-down list and
 click <span class="uicontrol">Go</span>.</span></li>

 <li><span>In the Actions pane toolbar click the  <strong>Find</strong> icon  <img src="../images/find.gif" alt="A picture of the Find icon." />.</span>
 </li>

 <li><span>In the Actions pane, enter the name of the query, what you are
 searching for, the type of search that you want to perform, and any query
 information: </span>
 <ol type="a">
 <li class="substepexpand"><span> <strong>Search for</strong>  This list allows you to search for
 businesses, services, or service interfaces. </span> <ul>
 <li> <strong>Businesses</strong> Once you locate a business in the registry, use the
 icons in the Action pane toolbar to do the following:<ul>
 <li>View and edit business details</li>

 <li>Get the services associated with that business</li>

 <li>Publish a service</li>

 <li>Manage referenced services</li>

 <li>Manage publisher assertions</li>

 <li>Add the business to Favorites</li>

 <li>Unpublish the business</li>

 </ul>
 </li>

 <li> <strong>Services</strong> Once you locate a service in the registry, use the icons
 in the Action pane toolbar to do the following: <ul>
 <li>View and edit service details</li>

 <li>Get the business associated with that service</li>

 <li>Get the service interfaces associated with that service</li>

 <li>Import the service WSDL file to the Eclipse workbench</li>

 <li>Import the service WSDL file to the file system</li>

 <li>Launch the Web Service wizards</li>

 <li>Add the service to Favorites</li>

 <li>Unpublish the service</li>

 </ul>
 </li>

 <li> <strong>Service interfaces</strong> Once you locate a service interface in the
 registry, use the icons in the Action pane toolbar to do the following: <ul>
 <li>View and edit interface details</li>

 <li>Get the services associated with that service interface</li>

 <li>Get the businesses associated with that service interface</li>

 <li>Import the service interface WSDL file to the Eclipse workbench</li>

 <li>Import the service interface WSDL file to the file system</li>

 <li>Launch the Web Service wizards</li>

 <li>Add the service interface to Favorites</li>

 <li>Unpublish the service interface</li>

 </ul>
 </li>

 </ul>
 </li>

 <li class="substepexpand"><span> <strong>Type of search</strong>  These radio buttons allow you to
 specify a simple or advanced search, or a search by a Universal Unique Identifier
 (UUID). </span> <dl>
 <dt class="dlterm">Simple</dt>

 <dd>Type the name of the businesses, services, or service interfaces for which
 you are searching.  <strong>Note:</strong> The search set size is set to 100 and the
 maximum number of returned results is set to 10 by default.  If you would
 like to override the defaults, use the Advanced search.</dd>


 <dt class="dlterm">Advanced </dt>

 <dd>Allows you to enter more search options to focus the scope of your search.
 Select this option if you would like to search for multiple businesses or
 services.</dd>


 <dt class="dlterm">UUID </dt>

 <dd>Allow you to enter the UUID key. The UUID key is the identifier that is
 associated with the published object.</dd>

 </dl>
 </li>

 </ol>

 </li>

 <li><span>Once you have searched and discovered the business service description
 you desired, select the service or the service interface and click the  <strong>Import</strong> icon
 to: </span>
 <ul>
 <li>import the WSDL document into your Web project</li>

 <li>import the WSDL document into the WSDL Explorer for testing</li>

 <li>launch the Web Service Skeleton Creation wizard or Web Service Client
 wizard directly from the Web Services Explorer.</li>

 </ul>

 </li>

 </ol>

 </div>

 </div>

 <div class="nested1" xml:lang="en-us" id="discover_from_wsil"><a name="discover_from_wsil"><!-- --></a>
 <h2 class="topictitle2"> Discovering a Web Service from a WSIL Document</h2>

 <div>
 <div class="section"><p>To locate Web service descriptions:</p>
 </div>

 <ol>
 <li class="stepexpand"><span>From the Web Services Explorer toolbar, click the  <strong>WSIL Page</strong> icon
  <img src="../images/wsilview.gif" alt="Picture of the WSIL Page icon." />.</span></li>

 <li class="stepexpand"><span>In the Navigator pane, click  <strong>WSIL Main</strong>.</span></li>

 <li class="stepexpand"><span>In the  <strong>URL to document</strong> field of the Actions pane enter
 the URL to the WSIL document or HTTP document that contains links to a WSIL
 document. Details on how an HTTP file can contain links to WSIL can be found
 here: http://www.ibm.com/developerworks/webservices/library/ws-wsilspec.html</span>
 </li>

 <li class="stepexpand"><span>Once you have located the WSIL document, use the icons in the Action
 pane toolbar to do the following:</span>
 <ul>
 <li>View WSIL document details</li>

 <li>List all of the WSDL services associated with that WSIL document</li>

 <li>List all of the UDDI services associated with that WSIL document</li>

 <li>List all of the UDDI businesses associated with that WSIL document</li>

 <li>List all of the WSIL links associated with that WSIL document</li>

 <li>Import the WSIL document to the file system</li>

 <li>Add the WSIL document to Favorites</li>

 </ul>

  <strong>Important:</strong> If the Web Services Explorer does not display the
 project that you would like to import your WSDL file to, ensure that you have
 created the project and/or click the  <strong>Refresh</strong> icon.</li>

 </ol>

 </div>

 <div>
 <div class="linklist"><strong>Related Concepts</strong><br />

 <div><a href="../../org.eclipse.jst.ws.doc.user/concepts/cwsinwsa.html"> Tools for Web services development</a></div>
 <div><a href="../../org.eclipse.jst.ws.doc.user/concepts/cws.html">Web services development</a></div>
 <div><a href="../concepts/cuddi.html" title="Universal Description, Discovery, and Integration (UDDI) specification defines a way to publish and discover information about Web services.">Universal Description, Discovery, and Integration (UDDI)</a></div></div>

 <div class="linklist"><strong>Related Tasks</strong><br />

 <div><a href="tuddiexp.html" title="Through UDDI and WSIL, other applications can discover WSDL documents and bind with them to execute transactions or perform other business processes.">Publishing Web services and business entities</a></div>
 <div><a href="tstrtexp.html" title="The Web services tools allows you to launch the Web Services Explorer in several ways.">Launching the Web Services Explorer</a></div>
 <div><a href="treg.html" title="In order to publish your business entity and Web service to a UDDI registry, you must first register with the registry that you want to use.">Registering with a UDDI registry</a></div>
 <div><a href="../../org.eclipse.jst.ws.doc.user/tasks/toverws.html"> Developing Web services</a></div></div>

 <div class="linklist"><strong>Related Reference</strong><br />

 <div><a href="../ref/ruddi.html" title="Once you have registered and logged in to the UDDI registry that you want to use, you can register your Web service. Registration of a service involves four core data structure types: business information, service information, binding information, and information describing the specifications for services. The relationship between these data types is described in Figure 1.">Data structure types (UDDI registry)</a></div></div>
 </div>
 </div>


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	<title>Discovering and importing Web services</title>
	</head>
	<body id="tdiscov"><a name="tdiscov"><!-- --></a>


	<h1 class="topictitle1">Discovering Web Services</h1>




	<div><p>Web services can be located through a public business registry,
	a private business registry, or a WSIL document. UDDI manages the discovery
	of Web services by relying on a distributed registry of businesses and their
	service descriptions implemented in a common XML format.</p>

	<div class="p"><div class="p">Prerequisites:<ol>
	<li><a href="treg.html">Register with a registry</a></li>

	<li><a href="tstrtexp.html">Launch the Web Services Explorer</a></li>

	<li><a href="taddreg.html">Add the registry to the Web Services Explorer</a></li>

	</ol>
	</div>
	</div>

	<div class="section"><p>Web Services Inspection Language (WSIL) is a service discovery
	mechanism that is an alternative to UDDI as well as complementary to UDDI.
	WSIL allows you to go directly to the service provider and ask for the services
	it provides. For more information on the Web Services Inspection Language
	specification, refer to <a href="http://www-106.ibm.com/developerworks/webservices/library/ws-wsilspec.html" target="_blank">www.ibm.com/developerworks/webservices/library/ws-wsilspec.html</a>.
	.</p>
	<p>You can discover a Web service in two ways using the Web Services
	Explorer:</p>
	</div>

	<div class="section"><ul>
	<li> Discovering a Web service from a UDDI registry </li>

	<li> Discovering a Web service from a WSIL document </li>

	</ul>
	</div>

	</div>

	<div class="nested1" xml:lang="en-us" id="discover_from_uddi"><a name="discover_from_uddi"><!-- --></a>
	<h2 class="topictitle2"> Discovering a Web Service from a UDDI Registry</h2>

	<div>
	<div class="section"><p>The registry contains URL references to Web service WSDL documents.
	In order to discover a Web service the URL to the Web service WSDL document
	must be resolvable. To locate Web service descriptions:</p>
	</div>

	<ol>
	<li><span>Launch the Web Services Explorer</span></li>

	<li><span>Click <span class="uicontrol">UDDI Main</span>.</span></li>

	<li><span>In the Actions pane select a registry from the drop-down list and
	click <span class="uicontrol">Go</span>.</span></li>

	<li><span>In the Actions pane toolbar click the <strong>Find</strong> icon <img src="../images/find.gif" alt="A picture of the Find icon." />.</span>
	</li>

	<li><span>In the Actions pane, enter the name of the query, what you are
	searching for, the type of search that you want to perform, and any query
	information: </span>
	<ol type="a">
	<li class="substepexpand"><span> <strong>Search for</strong> This list allows you to search for
	businesses, services, or service interfaces. </span> <ul>
	<li> <strong>Businesses</strong> Once you locate a business in the registry, use the
	icons in the Action pane toolbar to do the following:<ul>
	<li>View and edit business details</li>

	<li>Get the services associated with that business</li>

	<li>Publish a service</li>

	<li>Manage referenced services</li>

	<li>Manage publisher assertions</li>

	<li>Add the business to Favorites</li>

	<li>Unpublish the business</li>

	</ul>
	</li>

	<li> <strong>Services</strong> Once you locate a service in the registry, use the icons
	in the Action pane toolbar to do the following: <ul>
	<li>View and edit service details</li>

	<li>Get the business associated with that service</li>

	<li>Get the service interfaces associated with that service</li>

	<li>Import the service WSDL file to the Eclipse workbench</li>

	<li>Import the service WSDL file to the file system</li>

	<li>Launch the Web Service wizards</li>

	<li>Add the service to Favorites</li>

	<li>Unpublish the service</li>

	</ul>
	</li>

	<li> <strong>Service interfaces</strong> Once you locate a service interface in the
	registry, use the icons in the Action pane toolbar to do the following: <ul>
	<li>View and edit interface details</li>

	<li>Get the services associated with that service interface</li>

	<li>Get the businesses associated with that service interface</li>

	<li>Import the service interface WSDL file to the Eclipse workbench</li>

	<li>Import the service interface WSDL file to the file system</li>

	<li>Launch the Web Service wizards</li>

	<li>Add the service interface to Favorites</li>

	<li>Unpublish the service interface</li>

	</ul>
	</li>

	</ul>
	</li>

	<li class="substepexpand"><span> <strong>Type of search</strong> These radio buttons allow you to
	specify a simple or advanced search, or a search by a Universal Unique Identifier
	(UUID). </span> <dl>
	<dt class="dlterm">Simple</dt>

	<dd>Type the name of the businesses, services, or service interfaces for which
	you are searching. <strong>Note:</strong> The search set size is set to 100 and the
	maximum number of returned results is set to 10 by default. If you would
	like to override the defaults, use the Advanced search.</dd>


	<dt class="dlterm">Advanced </dt>

	<dd>Allows you to enter more search options to focus the scope of your search.
	Select this option if you would like to search for multiple businesses or
	services.</dd>


	<dt class="dlterm">UUID </dt>

	<dd>Allow you to enter the UUID key. The UUID key is the identifier that is
	associated with the published object.</dd>

	</dl>
	</li>

	</ol>

	</li>

	<li><span>Once you have searched and discovered the business service description
	you desired, select the service or the service interface and click the <strong>Import</strong> icon
	to: </span>
	<ul>
	<li>import the WSDL document into your Web project</li>

	<li>import the WSDL document into the WSDL Explorer for testing</li>

	<li>launch the Web Service Skeleton Creation wizard or Web Service Client
	wizard directly from the Web Services Explorer.</li>

	</ul>

	</li>

	</ol>

	</div>

	</div>

	<div class="nested1" xml:lang="en-us" id="discover_from_wsil"><a name="discover_from_wsil"><!-- --></a>
	<h2 class="topictitle2"> Discovering a Web Service from a WSIL Document</h2>

	<div>
	<div class="section"><p>To locate Web service descriptions:</p>
	</div>

	<ol>
	<li class="stepexpand"><span>From the Web Services Explorer toolbar, click the <strong>WSIL Page</strong> icon
	<img src="../images/wsilview.gif" alt="Picture of the WSIL Page icon." />.</span></li>

	<li class="stepexpand"><span>In the Navigator pane, click <strong>WSIL Main</strong>.</span></li>

	<li class="stepexpand"><span>In the <strong>URL to document</strong> field of the Actions pane enter
	the URL to the WSIL document or HTTP document that contains links to a WSIL
	document. Details on how an HTTP file can contain links to WSIL can be found
	here: http://www.ibm.com/developerworks/webservices/library/ws-wsilspec.html</span>
	</li>

	<li class="stepexpand"><span>Once you have located the WSIL document, use the icons in the Action
	pane toolbar to do the following:</span>
	<ul>
	<li>View WSIL document details</li>

	<li>List all of the WSDL services associated with that WSIL document</li>

	<li>List all of the UDDI services associated with that WSIL document</li>

	<li>List all of the UDDI businesses associated with that WSIL document</li>

	<li>List all of the WSIL links associated with that WSIL document</li>

	<li>Import the WSIL document to the file system</li>

	<li>Add the WSIL document to Favorites</li>

	</ul>

	<strong>Important:</strong> If the Web Services Explorer does not display the
	project that you would like to import your WSDL file to, ensure that you have
	created the project and/or click the <strong>Refresh</strong> icon.</li>

	</ol>

	</div>

	<div>
	<div class="linklist"><strong>Related Concepts</strong><br />

	<div><a href="../../org.eclipse.jst.ws.doc.user/concepts/cwsinwsa.html"> Tools for Web services development</a></div>
	<div><a href="../../org.eclipse.jst.ws.doc.user/concepts/cws.html">Web services development</a></div>
	<div><a href="../concepts/cuddi.html" title="Universal Description, Discovery, and Integration (UDDI) specification defines a way to publish and discover information about Web services.">Universal Description, Discovery, and Integration (UDDI)</a></div></div>

	<div class="linklist"><strong>Related Tasks</strong><br />

	<div><a href="tuddiexp.html" title="Through UDDI and WSIL, other applications can discover WSDL documents and bind with them to execute transactions or perform other business processes.">Publishing Web services and business entities</a></div>
	<div><a href="tstrtexp.html" title="The Web services tools allows you to launch the Web Services Explorer in several ways.">Launching the Web Services Explorer</a></div>
	<div><a href="treg.html" title="In order to publish your business entity and Web service to a UDDI registry, you must first register with the registry that you want to use.">Registering with a UDDI registry</a></div>
	<div><a href="../../org.eclipse.jst.ws.doc.user/tasks/toverws.html"> Developing Web services</a></div></div>

	<div class="linklist"><strong>Related Reference</strong><br />

	<div><a href="../ref/ruddi.html" title="Once you have registered and logged in to the UDDI registry that you want to use, you can register your Web service. Registration of a service involves four core data structure types: business information, service information, binding information, and information describing the specifications for services. The relationship between these data types is described in Figure 1.">Data structure types (UDDI registry)</a></div></div>
	</div>
	</div>


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