<?xml version='1.0' encoding='utf-8' ?>
<!--

    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.xsd,v 1.2 2007/02/14 16:38:37 fsasaki Exp $
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           xmlns:tns="http://www.w3.org/ns/ws-policy"
           xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
           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-secext-1.0.xsd"
            schemaLocation="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" />

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