<?xml version="1.0"?>
<!--

    Copyright (C) 2009 eXo Platform SAS.

    This is free software; you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as
    published by the Free Software Foundation; either version 2.1 of
    the License, or (at your option) any later version.

    This software is distributed 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. See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this software; if not, write to the Free
    Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
    02110-1301 USA, or see the FSF site: http://www.fsf.org.

-->

<xs:schema
   targetNamespace="http://www.gatein.org/xml/ns/gatein_controller_1_0"
   xmlns="http://www.gatein.org/xml/ns/gatein_controller_1_0"
   xmlns:xs="http://www.w3.org/2001/XMLSchema"
   elementFormDefault="qualified"
   attributeFormDefault="unqualified"
   version="1.0">

  <xs:element name="controller" type="controllerType" />

  <xs:complexType name="controllerType">
    <xs:sequence>
      <xs:element name="route" type="routeType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="separator-escape" use="optional">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="_"/>
          <xs:enumeration value="."/>
          <xs:enumeration value="-"/>
          <xs:enumeration value="~"/>
          <xs:enumeration value="!"/>
          <xs:enumeration value="$"/>
          <xs:enumeration value="&amp;"/>
          <xs:enumeration value="+"/>
          <xs:enumeration value=":"/>
          <xs:enumeration value="@"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="routeType">
    <xs:sequence>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="route-param" type="routeParamType" minOccurs="1" maxOccurs="1"/>
        <xs:element name="path-param" type="pathParamType" minOccurs="1" maxOccurs="1"/>
        <xs:element name="request-param" type="requestParamType" minOccurs="1" maxOccurs="1"/>
      </xs:choice>
      <xs:element name="route" type="routeType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="path" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="routeParamType">
    <xs:choice minOccurs="1" maxOccurs="1">
      <xs:element name="value" type="xs:string"/>
    </xs:choice>
    <xs:attribute name="qname" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="pathParamType">
    <xs:choice minOccurs="0" maxOccurs="1">
      <xs:element name="pattern" type="xs:string"/>
    </xs:choice>
    <xs:attribute name="qname" type="xs:string" use="required"/>
    <xs:attribute name="encoding" use="optional">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="default-form"/>
          <xs:enumeration value="preserve-path"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="requestParamType">
    <xs:choice minOccurs="0" maxOccurs="1">
      <xs:element name="value" type="xs:string"/>
      <xs:element name="pattern" type="xs:string"/>
    </xs:choice>
    <xs:attribute name="qname" type="xs:string" use="required"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="control-mode" type="controlModeType" use="optional"/>
    <xs:attribute name="value-mapping" type="valueMappingType" use="optional"/>
  </xs:complexType>

  <xs:simpleType name="valueMappingType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="canonical" />
      <xs:enumeration value="never-empty" />
      <xs:enumeration value="never-null" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="controlModeType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="optional" />
      <xs:enumeration value="required" />
    </xs:restriction>
  </xs:simpleType>

</xs:schema>