<?xml version="1.0"?>
<!--
  ~ Copyright (C) 2011 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_1"
    xmlns="http://www.gatein.org/xml/ns/gatein_controller_1_1"
    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:attribute name="capture-group" type="xs:boolean" use="optional" default="false"/>
  </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>