This text file contains sample code fragments from:
Section 19.5 - WS-Addressing Policy Assertions
Chapter 19 - Advanced Message Design Part II: WS-Addressing Rules and Design Techniques
Book - Web Service Contract Design & Versioning for SOA
Series - Prentice Hall Service-Oriented Computing Series from Thomas Erl
Site - www.soabooks.com


<wsp:Policy ...>
  <wsam:Addressing wsp:Optional="true">
    <wsp:Policy/>
  </wsam:Addressing>
</wsp:Policy>

Example 19.16 - A policy that says WS-Addressing is supported but not required.


<wsp:Policy ...>
  <wsam:Addressing>
    <wsp:Policy>
      <wsam:AnonymousResponse/>
    </wsp:Policy>
  </wsam:Addressing>
</wsp:Policy>

Example 19.17 - A nested policy with the wsam:AnonymousResponse value.


<wsa:Address>
  http://www.w3.org/2005/08/addressing/anonymous
</wsa:Address>

Example 19.18 - The anonymous value that has a special meaning when used with SOAP over HTTP as part of the wsa:ReplyTo and wsa:FaultTo MAP elements of a request message.


<wsp:Policy ...>
  <wsam:Addressing>
    <wsp:Policy>
      <wsam:NonAnonymousResponse/>
    </wsp:Policy>
  </wsam:Addressing>
</wsp:Policy>

Example 19.19 - A nested policy with the wsam:NonAnonymousResponse value.


<description targetNamespace=
  "http://actioncon.com/contract/po"
  xmlns="http://schemas.xmlsoap.org/wsdl/"
  xmlns:tns="http://actioncon.com/contract/po"
  xmlns:po="http://actioncon.com/schema/po"
  xmlns:soapbind="http://www.w3.org/2006/01/wsdl/soap/"
  xmlns:wsam="http://www.w3.org/2007/05/addressing/metadata"
  xmlns:wsp="http://www.w3.org/ns/ws-policy"
  xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/
    oasis-200401-wss-wssecurity-utility-1.0.xsd">
  <wsp:Policy wsu:Id="AsyncOnly">
    <wsam:Addressing>
      <wsp:Policy>
        <wsam:NonAnonymousResponse/>
      </wsp:Policy>
    </wsam:Addressing>
  </wsp:Policy>
  ...
  <service name="svPurchaseOrder" interface="ifPurchaseOrder">
    <endpoint name="purchaseOrder-http-soap12"
      binding="tns:bdPO-SOAP12HTTP" address=
      "http://action.com/services/soap12/purchaseOrder">
      <wsp:PolicyReference URI="#AsyncOnly"/>
    </endpoint>
  </service>
</description>

Example 19.20 - A WS-Policy expression added to a WSDL 2.0 contract, requiring the use of asynchronous WS-Addressing communication.