<?xml version="1.0" encoding="UTF-8"?>
<!--
 * Copyright 2006-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
     xmlns="http://www.citrusframework.org/schema/testcase"
     targetNamespace="http://www.citrusframework.org/schema/testcase"
     elementFormDefault="qualified"
     attributeFormDefault="unqualified">

    <xs:complexType name="actionListType">
        <xs:group ref="actionGroup" maxOccurs="unbounded"/>
    </xs:complexType>

    <xs:complexType name="actionType" abstract="true">
        <xs:sequence>
            <xs:element ref="description" minOccurs="0"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="metaInfoType">
        <xs:sequence>
            <xs:element name="author" type="xs:string"/>
            <xs:element name="creationdate" type="xs:date"/>
            <xs:element name="status" default="DRAFT">
                <xs:simpleType>
                    <xs:restriction base="xs:string">
                        <xs:enumeration value="DRAFT"/>
                        <xs:enumeration value="DISABLED"/>
                        <xs:enumeration value="READY_FOR_REVIEW"/>
                        <xs:enumeration value="FINAL"/>
                    </xs:restriction>
                </xs:simpleType>
            </xs:element>
            <xs:element name="last-updated-by" type="xs:string" minOccurs="0"/>
            <xs:element name="last-updated-on" type="xs:dateTime" minOccurs="0"/>
            <xs:any namespace="##other" processContents="strict" minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="sendActionType">
        <xs:sequence>
            <xs:element ref="description" minOccurs="0"/>
            <xs:element name="message">
                <xs:complexType>
                    <xs:sequence>
                        <xs:choice>
                            <xs:element name="payload">
                                <xs:complexType>
                                    <xs:sequence>
                                        <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
                                    </xs:sequence>
                                </xs:complexType>
                            </xs:element>
                            <xs:element name="data" type="xs:string"/>
                            <xs:element name="resource">
                                <xs:complexType>
                                    <xs:attribute name="file" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                            <xs:element name="builder" type="scriptDefinitionType"/>
                        </xs:choice>
                        <xs:element name="element" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="path" type="xs:string" use="required"/>
                                <xs:attribute name="value" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="header" minOccurs="0">
                <xs:complexType>
                    <xs:sequence>
                        <xs:choice minOccurs="0">
                            <xs:element name="data" type="xs:string"/>
                            <xs:element name="resource">
                                <xs:complexType>
                                    <xs:attribute name="file" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:choice>
                        <xs:element name="element" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="name" type="xs:string" use="required"/>
                                <xs:attribute name="value" type="xs:string" use="required"/>
                                <xs:attribute name="type">
                                    <xs:simpleType>
                                        <xs:restriction base="xs:string">
                                            <xs:enumeration value="integer"/>
                                            <xs:enumeration value="long"/>
                                            <xs:enumeration value="float"/>
                                            <xs:enumeration value="double"/>
                                            <xs:enumeration value="byte"/>
                                            <xs:enumeration value="short"/>
                                            <xs:enumeration value="boolean"/>
                                            <xs:enumeration value="string"/>
                                        </xs:restriction>
                                    </xs:simpleType>
                                </xs:attribute>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="extract" minOccurs="0">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="header" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="name" type="xs:string" use="required"/>
                                <xs:attribute name="variable" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:sequence>
        <xs:attribute name="with" type="xs:string"/>
        <xs:attribute name="actor" type="xs:string"/>
        <xs:attribute name="fork" type="xs:boolean"/>
    </xs:complexType>

    <xs:complexType name="receiveActionType">
        <xs:sequence>
            <xs:element ref="description" minOccurs="0"/>
            <xs:element name="selector" minOccurs="0">
                <xs:complexType>
                    <xs:choice>
                        <xs:element name="value" type="xs:string"/>
                        <xs:element name="element" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="name" type="xs:string" use="required"/>
                                <xs:attribute name="value" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                    </xs:choice>
                </xs:complexType>
            </xs:element>
            <xs:element name="message">
                <xs:complexType>
                    <xs:sequence>
                        <xs:sequence minOccurs="0">
                            <xs:choice>
                                <xs:element name="payload">
                                    <xs:complexType>
                                        <xs:sequence>
                                            <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
                                        </xs:sequence>
                                    </xs:complexType>
                                </xs:element>
                                <xs:element name="data" type="xs:string"/>
                                <xs:element name="resource">
                                    <xs:complexType>
                                        <xs:attribute name="file" type="xs:string" use="required"/>
                                    </xs:complexType>
                                </xs:element>
                                <xs:element name="builder" type="scriptDefinitionType"/>
                            </xs:choice>
                            <xs:element name="element" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="path" type="xs:string" use="required"/>
                                    <xs:attribute name="value" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                            <xs:element name="ignore" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="path" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                        <xs:element name="validate" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:sequence>
                                    <xs:element name="script" minOccurs="0" type="scriptDefinitionType"/>
                                    <xs:element name="xpath" minOccurs="0" maxOccurs="unbounded">
                                        <xs:complexType>
                                            <xs:attribute name="expression" type="xs:string" use="required"/>
                                            <xs:attribute name="value" type="xs:string" use="required"/>
                                            <xs:attribute name="result-type">
                                                <xs:simpleType>
                                                    <xs:restriction base="xs:string">
                                                        <xs:enumeration value="node"/>
                                                        <xs:enumeration value="boolean"/>
                                                        <xs:enumeration value="string"/>
                                                        <xs:enumeration value="number"/>
                                                    </xs:restriction>
                                                </xs:simpleType>
                                            </xs:attribute>
                                        </xs:complexType>
                                    </xs:element>
                                    <xs:element name="namespace" minOccurs="0" maxOccurs="unbounded">
                                        <xs:complexType>
                                            <xs:attribute name="prefix" type="xs:string" use="required"/>
                                            <xs:attribute name="value" type="xs:string" use="required"/>
                                        </xs:complexType>
                                    </xs:element>
                                </xs:sequence>
                                <xs:attribute name="path" type="xs:string"/>
                                <xs:attribute name="value" type="xs:string"/>
                                <xs:attribute name="result-type">
                                    <xs:simpleType>
                                        <xs:restriction base="xs:string">
                                            <xs:enumeration value="node"/>
                                            <xs:enumeration value="boolean"/>
                                            <xs:enumeration value="string"/>
                                            <xs:enumeration value="number"/>
                                        </xs:restriction>
                                    </xs:simpleType>
                                </xs:attribute>
                            </xs:complexType>
                        </xs:element>
                        <xs:element name="namespace" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="prefix" type="xs:string" use="required"/>
                                <xs:attribute name="value" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                    <xs:attribute name="schema-validation" type="xs:boolean"/>
                    <xs:attribute name="schema" type="xs:string"/>
                    <xs:attribute name="schema-repository" type="xs:string"/>
                    <xs:attribute name="validator" type="xs:string"/>
                    <xs:attribute name="type" default="xml" type="xs:string"/>
                </xs:complexType>
            </xs:element>
            <xs:element name="header" minOccurs="0">
                <xs:complexType>
                    <xs:sequence>
                        <xs:choice minOccurs="0">
                            <xs:element name="data" type="xs:string"/>
                            <xs:element name="resource">
                                <xs:complexType>
                                    <xs:attribute name="file" type="xs:string" use="required"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:choice>
                        <xs:element name="element" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="name" type="xs:string" use="required"/>
                                <xs:attribute name="value" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="extract" minOccurs="0">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="header" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:attribute name="name" type="xs:string" use="required"/>
                                <xs:attribute name="variable" type="xs:string" use="required"/>
                            </xs:complexType>
                        </xs:element>
                        <xs:element name="message" minOccurs="0" maxOccurs="unbounded">
                            <xs:complexType>
                                <xs:simpleContent>
                                    <xs:extension base="xs:string">
                                        <xs:attribute name="path" type="xs:string" use="required"/>
                                        <xs:attribute name="variable" type="xs:string" use="required"/>
                                        <xs:attribute name="result-type">
                                            <xs:simpleType>
                                                <xs:restriction base="xs:string">
                                                    <xs:enumeration value="node"/>
                                                    <xs:enumeration value="boolean"/>
                                                    <xs:enumeration value="string"/>
                                                    <xs:enumeration value="number"/>
                                                </xs:restriction>
                                            </xs:simpleType>
                                        </xs:attribute>
                                    </xs:extension>
                                </xs:simpleContent>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:sequence>
        <xs:attribute name="with" type="xs:string"/>
        <xs:attribute name="timeout" type="xs:int"/>
        <xs:attribute name="actor" type="xs:string"/>
    </xs:complexType>

    <xs:complexType name="scriptDefinitionType">
        <xs:simpleContent>
            <xs:extension base="xs:string">
              <xs:attribute name="type" use="required">
                  <xs:simpleType>
                      <xs:restriction base="xs:string">
                          <xs:enumeration value="groovy"/>
                      </xs:restriction>
                  </xs:simpleType>
              </xs:attribute>
              <xs:attribute name="file" type="xs:string"/>
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:element name="description" type="xs:string"/>

    <xs:group name="actionGroup">
        <xs:choice>
            <xs:element ref="action"/>
            <xs:element name="send" type="sendActionType"/>
            <xs:element name="receive" type="receiveActionType"/>
            <xs:element ref="sql"/>
            <xs:element ref="plsql"/>
            <xs:element ref="java"/>
            <xs:element ref="sleep"/>
            <xs:element ref="trace-variables"/>
            <xs:element ref="create-variables"/>
            <xs:element ref="trace-time"/>
            <xs:element ref="echo"/>
            <xs:element ref="expect-timeout"/>
            <xs:element ref="purge-jms-queues"/>
            <xs:element ref="purge-channel"/>
            <xs:element ref="call-template"/>
            <xs:element ref="input"/>
            <xs:element ref="iterate"/>
            <xs:element ref="load"/>
            <xs:element ref="repeat-until-true"/>
            <xs:element ref="repeat-onerror-until-true"/>
            <xs:element ref="conditional"/>
            <xs:element ref="sequential"/>
            <xs:element ref="fail"/>
            <xs:element ref="parallel"/>
            <xs:element ref="catch"/>
            <xs:element ref="assert"/>
            <xs:element ref="groovy"/>
            <xs:element ref="transform"/>
            <xs:element ref="ant"/>
            <xs:any namespace="##other" processContents="strict"/>
        </xs:choice>
    </xs:group>

    <xs:element name="testcase">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="meta-info" type="metaInfoType" minOccurs="0"/>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element ref="variables" minOccurs="0"/>
                <xs:element name="actions" type="actionListType"/>
                <xs:element name="finally" type="actionListType" minOccurs="0"/>
            </xs:sequence>
            <xs:attribute name="name" type="xs:string" use="required"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="variables">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="variable" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:sequence>
                          <xs:element name="value" minOccurs="0" maxOccurs="1">
                              <xs:complexType>
                                  <xs:sequence>
                                      <xs:element name="script" type="scriptDefinitionType" minOccurs="1" maxOccurs="1"/>
                                  </xs:sequence>
                              </xs:complexType>
                          </xs:element>
                        </xs:sequence>
                        <xs:attribute name="name" type="xs:string" use="required"/>
                        <xs:attribute name="value" type="xs:string"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="sql">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:choice>
                    <xs:element name="resource">
                        <xs:complexType>
                            <xs:attribute name="file" type="xs:string" use="required"/>
                        </xs:complexType>
                    </xs:element>
                    <xs:element name="statement" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
                </xs:choice>
                <xs:choice>
                    <xs:element name="validate-script" minOccurs="0" maxOccurs="1" type="scriptDefinitionType"/>
                    <xs:element name="validate" minOccurs="0" maxOccurs="unbounded">
                        <xs:complexType>
                            <xs:sequence>
                                <xs:element name="values" minOccurs="0">
                                    <xs:complexType>
                                        <xs:sequence>
                                            <xs:element name="value" type="xs:string" maxOccurs="unbounded"/>
                                        </xs:sequence>
                                    </xs:complexType>
                                </xs:element>
                            </xs:sequence>
                            <xs:attribute name="column" type="xs:string" use="required"/>
                            <xs:attribute name="value" type="xs:string"/>
                        </xs:complexType>
                    </xs:element>
                </xs:choice>
                <xs:element name="extract" minOccurs="0" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:attribute name="column" type="xs:string" use="required"/>
                        <xs:attribute name="variable" type="xs:string" use="required"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
            <xs:attribute name="datasource" type="xs:string" use="required"/>
            <xs:attribute name="ignore-errors" type="xs:boolean"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="java">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="constructor" minOccurs="0">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="argument" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:simpleContent>
                                        <xs:extension base="xs:string">
                                            <xs:attribute name="type" type="xs:string"/>
                                        </xs:extension>
                                    </xs:simpleContent>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
                <xs:element name="method">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="argument" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:simpleContent>
                                        <xs:extension base="xs:string">
                                            <xs:attribute name="type" type="xs:string"/>
                                        </xs:extension>
                                    </xs:simpleContent>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                        <xs:attribute name="name" type="xs:string" use="required"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
            <xs:attribute name="class" type="xs:string"/>
            <xs:attribute name="ref" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="sleep">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
            </xs:sequence>
            <xs:attribute name="time" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="echo">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="message" type="xs:string" minOccurs="0"/>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="trace-variables">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="variable" minOccurs="0" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:attribute name="name" type="xs:string" use="required"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="purge-jms-queues">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="queue" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:attribute name="name" type="xs:string"/>
                        <xs:attribute name="ref" type="xs:string"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
            <xs:attribute name="connection-factory" type="xs:string"/>
            <xs:attribute name="receive-timeout" type="xs:int"/>
        </xs:complexType>
    </xs:element>
    
    <xs:element name="purge-channel">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="channel" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:attribute name="name" type="xs:string"/>
                        <xs:attribute name="ref" type="xs:string"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
            <xs:attribute name="message-selector" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="create-variables">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="variable" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:sequence>
                          <xs:element name="value" minOccurs="0" maxOccurs="1">
                            <xs:complexType>
                                <xs:sequence>
                                    <xs:element name="script" type="scriptDefinitionType" minOccurs="1" maxOccurs="1"/>
                                </xs:sequence>
                            </xs:complexType>
                          </xs:element>
                        </xs:sequence>
                        <xs:attribute name="name" type="xs:string" use="required"/>
                        <xs:attribute name="value" type="xs:string"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="trace-time">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
            </xs:sequence>
            <xs:attribute name="id" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="expect-timeout">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="select" type="xs:string" minOccurs="0"/>
            </xs:sequence>
            <xs:attribute name="message-receiver" type="xs:string" use="required"/>
            <xs:attribute name="wait" type="xs:int"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="fail">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
            </xs:sequence>
            <xs:attribute name="message" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="input">
        <xs:complexType>
            <xs:attribute name="message" type="xs:string"/>
            <xs:attribute name="variable" type="xs:string"/>
            <xs:attribute name="valid-answers" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="load">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="properties" minOccurs="0">
                    <xs:complexType>
                        <xs:attribute name="file" type="xs:string" use="required"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="parallel">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="catch">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
            <xs:attribute name="exception" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="assert">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup"/>
            </xs:sequence>
            <xs:attribute name="exception" type="xs:string" use="required"/>
            <xs:attribute name="message" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="plsql">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:choice>
                    <xs:element name="resource">
                        <xs:complexType>
                            <xs:attribute name="file" type="xs:string" use="required"/>
                        </xs:complexType>
                    </xs:element>
                    <xs:element name="script" type="xs:string"/>
                </xs:choice>
            </xs:sequence>
            <xs:attribute name="datasource" type="xs:string" use="required"/>
            <xs:attribute name="ignore-errors" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="groovy">
        <xs:complexType>
            <xs:simpleContent>
                <xs:extension base="xs:string">
                    <xs:attribute name="resource" type="xs:string"/>
                    <xs:attribute name="use-script-template" type="xs:boolean"/>
                    <xs:attribute name="script-template" type="xs:string"/>
                </xs:extension>
            </xs:simpleContent>
        </xs:complexType>
    </xs:element>

    <xs:element name="iterate">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
            <xs:attribute name="index" type="xs:string"/>
            <xs:attribute name="condition" type="xs:string" use="required"/>
            <xs:attribute name="start" type="xs:string"/>
            <xs:attribute name="step" type="xs:string"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="repeat-until-true">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
            <xs:attribute name="index" type="xs:string"/>
            <xs:attribute name="condition" type="xs:string" use="required"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="repeat-onerror-until-true">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
            <xs:attribute name="index" type="xs:string"/>
            <xs:attribute name="condition" type="xs:string" use="required"/>
            <xs:attribute name="auto-sleep" type="xs:int"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="conditional">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
            <xs:attribute name="expression" type="xs:string" use="required"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="sequential">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" maxOccurs="unbounded"/>
            </xs:sequence>
        </xs:complexType>
    </xs:element>

    <xs:element name="action">
        <xs:complexType>
            <xs:complexContent>
                <xs:extension base="actionType">
                    <xs:attribute name="reference" type="xs:string" use="required"/>
                </xs:extension>
            </xs:complexContent>
        </xs:complexType>
    </xs:element>

    <xs:element name="template">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:group ref="actionGroup" minOccurs="0" maxOccurs="unbounded"/>
            </xs:sequence>
            <xs:attribute name="name" type="xs:string" use="required"/>
            <xs:attribute name="global-context" type="xs:boolean"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="call-template">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="parameter" minOccurs="0" maxOccurs="unbounded">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="value" type="xs:string" minOccurs="0" maxOccurs="1" />
                        </xs:sequence>
                        <xs:attribute name="name" type="xs:string" use="required"/>
                        <xs:attribute name="value" type="xs:string" use="optional"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
            <xs:attribute name="name" type="xs:string" use="required"/>
        </xs:complexType>
    </xs:element>

    <xs:element name="transform">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:choice>
                    <xs:element name="xml-data" type="xs:string" />
                    <xs:element name="xml-resource">
                        <xs:complexType>
                            <xs:attribute name="file" type="xs:string" use="required" />
                        </xs:complexType>
                    </xs:element>
                </xs:choice>
                <xs:choice>
                    <xs:element name="xslt-data" type="xs:string"/>
                    <xs:element name="xslt-resource">
                        <xs:complexType>
                            <xs:attribute name="file" type="xs:string" use="required" />
                        </xs:complexType>
                    </xs:element>
                </xs:choice>
            </xs:sequence>
            <xs:attribute name="variable" type="xs:string" use="required" />
        </xs:complexType>
    </xs:element>

    <xs:element name="ant">
        <xs:complexType>
            <xs:sequence>
                <xs:element ref="description" minOccurs="0"/>
                <xs:element name="execute">
                    <xs:complexType>
                        <xs:attribute name="target" type="xs:string" />
                        <xs:attribute name="targets" type="xs:string" />    
                    </xs:complexType>
                </xs:element>
                <xs:choice minOccurs="0">
                    <xs:element name="properties">
                        <xs:complexType>
                            <xs:sequence>
                                <xs:element name="property" minOccurs="0" maxOccurs="unbounded">
                                    <xs:complexType>
                                        <xs:attribute name="name" type="xs:string" use="required" />
                                        <xs:attribute name="value" type="xs:string" use="required" />
                                    </xs:complexType>
                                </xs:element>
                            </xs:sequence>
                            <xs:attribute name="file" type="xs:string" />
                        </xs:complexType>
                    </xs:element>
                </xs:choice>
            </xs:sequence>
            <xs:attribute name="build-file" type="xs:string" use="required" />
            <xs:attribute name="build-listener" type="xs:string" />
        </xs:complexType>
    </xs:element>
</xs:schema>