Example 13-1. Portion of a WSDL document

<?xml version="1.0"?>

<definitions name="CDCatalog"
             targetNamespace="http://www.oreilly.com/javaxml2/cd-catalog.wsdl"
             xmlns:cd="http://www.oreilly.com/javaxml2/cd-catalog.wsdl"
             xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
             xmlns:cdXSD="http://www.oreilly.com/javaxml2/cd-catalog.xsd"
             xmlns="http://schemas.xmlsoap.org/wsdl/"
>
  <types>
    <schema targetNamespace="http://www.oreilly.com/javaxml2/cd-catalog.xsd"
            xmlns="http://www.w3.org/2000/10/XMLSchema">
      <element name="Title">
        <complexType>
          <all><element name="title" type="string" /></all>
        </complexType>
      </element>
      <element name="CD">
        <complexType>
          <all>
            <element name="title" type="string" />
            <element name="artist" type="string" />
            <element name="label" type="string" />
          </all>
        </complexType>
      </element>
    </schema>
  </types>

  <message name="getCDInput">
    <part name="body" element="cdXSD:Title" />
  </message>

  <message name="getCDOutput">
    <part name="body" element="cdXSD:CD" />
  </message>

  <portType name="CDCatalogPortType">
    <operation name="getCD">
      <input message="cd:getCDInput" />
      <output message="cd:getCDOutput" />
    </operation>
  </portType>

  <binding name="CDCatalogBinding" type="cd:CDCatalogPortType">
    <soap:binding style="rpc" 
                  transport="http://schemas.xmlsoap.org/soap/http" />
    <operation name="getCD">
      <soap:operation soapAction="urn:cd-catalog" />
      <input>
        <soap:body use="encoded"
            encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
            namespace="urn:cd-catalog" />
      </input>
      <output>
        <soap:body use="encoded"
            encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
            namespace="urn:cd-catalog" />
      </output>
    </operation>
  </binding>

  <service name="CDCatalog">
    <documentation>CD Catalog Service from Java and XML</documentation>
    <port name="CDCatalogPort" binding="cd:CDCatalogBinding">
      <soap:address location="http://newInstance.com/soap/servlet/rpcrouter" />
    </port>
  </service>
</defintions>