<!--

    W3C XML Schema defined in the Web Services Policy 1.5
    Framework specification

    http://www.w3.org/TR/ws-policy-framework

   Copyright © 2006 World Wide Web Consortium,

   (Massachusetts Institute of Technology, European Research Consortium for
   Informatics and Mathematics, Keio University). All Rights Reserved. This
   work is distributed under the W3C® Software License [1] in the hope that
   it will be useful, but WITHOUT ANY WARRANTY; without even the implied
   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

   [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231

   $Id: ws-policy-schema.apt,v 1.1 2008/05/29 04:16:58 wolfftw Exp $
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="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" targetNamespace="http://www.w3.org/ns/ws-policy" blockDefault="#all" elementFormDefault="qualified">

  <xs:import namespace="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" />

  <!-- Constructs from the Web Services Policy 1.5 Framework -->

  <xs:element name="Policy">
    <xs:complexType>
      <xs:complexContent>
        <xs:extension base="tns:OperatorContentType">
          <xs:attribute name="Name" type="xs:anyURI" />
          <xs:anyAttribute namespace="##any" processContents="lax" />
        </xs:extension>
      </xs:complexContent>
    </xs:complexType>
  </xs:element>

  <xs:element name="All" type="tns:OperatorContentType" />
  <xs:element name="ExactlyOne" type="tns:OperatorContentType" />

  <xs:complexType name="OperatorContentType">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element ref="tns:Policy" />
        <xs:element ref="tns:All" />
        <xs:element ref="tns:ExactlyOne" />
        <xs:element ref="tns:PolicyReference" />
        <xs:any namespace="##other" processContents="lax" />
      </xs:choice>
    </xs:sequence>
  </xs:complexType>

  <xs:element name="PolicyReference">
    <xs:complexType>
      <xs:sequence>
        <xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
      </xs:sequence>
      <xs:attribute name="URI" type="xs:anyURI" use="required" />
      <xs:attribute name="Digest" type="xs:base64Binary" />
      <xs:attribute name="DigestAlgorithm" type="xs:anyURI" default="http://www.w3.org/ns/ws-policy/Sha1Exc" />
      <xs:anyAttribute namespace="##any" processContents="lax" />
    </xs:complexType>
  </xs:element>

  <xs:attribute name="Optional" type="xs:boolean" default="false" />
  <xs:attribute name="Ignorable" type="xs:boolean" default="false" />

  <!-- Constructs from the Web Services Policy 1.5 Attachment -->

  <xs:attribute name="PolicyURIs">
    <xs:simpleType>
      <xs:list itemType="xs:anyURI" />
    </xs:simpleType>
  </xs:attribute>

  <xs:element name="PolicyAttachment">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="tns:AppliesTo" />
        <xs:choice maxOccurs="unbounded">
          <xs:element ref="tns:Policy" />
          <xs:element ref="tns:PolicyReference" />
        </xs:choice>
        <!-- omitted only because it causes the content model to be non-determistic
          <xs:element ref="wsse:Security" minOccurs="0" />
        -->
        <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
      </xs:sequence>
      <xs:anyAttribute namespace="##any" processContents="lax" />
    </xs:complexType>
  </xs:element>

  <xs:element name="AppliesTo">
    <xs:complexType>
      <xs:sequence>
        <xs:any namespace="##any" processContents="lax" maxOccurs="unbounded" />
      </xs:sequence>
      <xs:anyAttribute namespace="##any" processContents="lax" />
    </xs:complexType>
  </xs:element>

  <xs:element name="URI">
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base="xs:anyURI">
          <xs:anyAttribute namespace="##any" processContents="lax" />
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

</xs:schema>