WSDL - <service> Element

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The <service> element defines the ports supported by the web service. For each of the supported protocols, there is one port element. The service element is a collection of ports.

  • Web service clients can learn the following from the service element −

    • where to access the service,
    • through which port to access the web service, and
    • how the communication messages are defined.

  • The service element includes a documentation element to provide human-readable documentation.

Here is a piece of code from the Example chapter −

<service name = "Hello_Service">
   <documentation>WSDL File for HelloService</documentation>
   <port binding = "tns:Hello_Binding" name = "Hello_Port">
      <soap:address
         location = "http://www.examples.com/SayHello/">
   </port>
</service>

The binding attributes of port element associate the address of the service with a binding element defined in the web service. In this example, this is Hello_Binding

<binding name =" Hello_Binding" type = "tns:Hello_PortType">
   <soap:binding style = "rpc"
      transport = "http://schemas.xmlsoap.org/soap/http"/>
   <operation name = "sayHello">
      <soap:operation soapAction = "sayHello"/>
		
      <input>
         <soap:body
            encodingStyle = "http://schemas.xmlsoap.org/soap/encoding/"
            namespace = "urn:examples:helloservice" use = "encoded"/>
      </input>
			
      <output>
         <soap:body
            encodingStyle = "http://schemas.xmlsoap.org/soap/encoding/"
            namespace = "urn:examples:helloservice" use = "encoded"/>
      </output>
   </operation>
</binding>
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