Chapter 26. A Starting Point WSDL Contract 26.1. Sample WSDL Contract Example 26.1, "HelloWorld WSDL Contract" shows the HelloWorld WSDL contract. This contract defines a single interface, Greeter, in the wsdl:portType element. The contract also defines the endpoint which will implement the service in the wsdl:port element. Example 26.1. HelloWorld WSDL Contract The Greeter interface defined in Example 26.1, "HelloWorld WSDL Contract" defines the following operations: sayHi - Has a single output parameter, of xsd:string . greetMe - Has an input parameter, of xsd:string , and an output parameter, of xsd:string . greetMeOneWay - Has a single input parameter, of xsd:string . Because this operation has no output parameters, it is optimized to be a oneway invocation (that is, the consumer does not wait for a response from the server). pingMe - Has no input parameters and no output parameters, but it can raise a fault exception.

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<?xml version="1.0" encoding=";UTF-8"?> <wsdl:definitions name="HelloWorld" targetNamespace="http://apache.org/hello_world_soap_http" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://apache.org/hello_world_soap_http" xmlns:x1="http://apache.org/hello_world_soap_http/types" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <wsdl:types> <schema targetNamespace="http://apache.org/hello_world_soap_http/types" xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"> <element name="sayHiResponse"> <complexType> <sequence> <element name="responseType" type="string"/> </sequence> </complexType> </element> <element name="greetMe"> <complexType> <sequence> <element name="requestType" type="string"/> </sequence> </complexType> </element> <element name="greetMeResponse"> <complexType> <sequence> <element name="responseType" type="string"/> </sequence> </complexType> </element> <element name="greetMeOneWay"> <complexType> <sequence> <element name="requestType" type="string"/> </sequence> </complexType> </element> <element name="pingMe"> <complexType/> </element> <element name="pingMeResponse"> <complexType/> </element> <element name="faultDetail"> <complexType> <sequence> <element name="minor" type="short"/> <element name="major" type="short"/> </sequence> </complexType> </element> </schema> </wsdl:types> <wsdl:message name="sayHiRequest"> <wsdl:part element="x1:sayHi" name="in"/> </wsdl:message> <wsdl:message name="sayHiResponse"> <wsdl:part element="x1:sayHiResponse" name="out"/> </wsdl:message> <wsdl:message name="greetMeRequest"> <wsdl:part element="x1:greetMe" name="in"/> </wsdl:message> <wsdl:message name="greetMeResponse"> <wsdl:part element="x1:greetMeResponse" name="out"/> </wsdl:message> <wsdl:message name="greetMeOneWayRequest"> <wsdl:part element="x1:greetMeOneWay" name="in"/> </wsdl:message> <wsdl:message name="pingMeRequest"> <wsdl:part name="in" element="x1:pingMe"/> </wsdl:message> <wsdl:message name="pingMeResponse"> <wsdl:part name="out" element="x1:pingMeResponse"/> </wsdl:message> <wsdl:message name="pingMeFault"> <wsdl:part name="faultDetail" element="x1:faultDetail"/> </wsdl:message> <wsdl:portType name="Greeter"> <wsdl:operation name="sayHi"> <wsdl:input message="tns:sayHiRequest" name="sayHiRequest"/> <wsdl:output message="tns:sayHiResponse" name="sayHiResponse"/> </wsdl:operation> <wsdl:operation name="greetMe"> <wsdl:input message="tns:greetMeRequest" name="greetMeRequest"/> <wsdl:output message="tns:greetMeResponse" name="greetMeResponse"/> </wsdl:operation> <wsdl:operation name="greetMeOneWay"> <wsdl:input message="tns:greetMeOneWayRequest" name="greetMeOneWayRequest"/> </wsdl:operation> <wsdl:operation name="pingMe"> <wsdl:input name="pingMeRequest" message="tns:pingMeRequest"/> <wsdl:output name="pingMeResponse" message="tns:pingMeResponse"/> <wsdl:fault name="pingMeFault" message="tns:pingMeFault"/> </wsdl:operation> </wsdl:portType> <wsdl:binding name="Greeter_SOAPBinding" type="tns:Greeter"> </wsdl:binding> <wsdl:service name="SOAPService"> <wsdl:port binding="tns:Greeter_SOAPBinding" name="SoapPort"> <soap:address location="http://localhost:9000/SoapContext/SoapPort"/> </wsdl:port> </wsdl:service> </wsdl:definitions>