<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns="http://icedtea.classpath.org/thermostat/plugins/v1.0"
           xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="http://icedtea.classpath.org/thermostat/plugins/v1.0"
           elementFormDefault="qualified">


<!-- definition of simple elements -->
<xs:element name="name" type="xs:string"/>

<xs:element name="symbolic-name" type="xs:string"/>

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

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

<xs:element name="summary" type="xs:string">
  <xs:annotation>
    <xs:documentation>A very short summary of what this command does.
    Ideally around 50 characters.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="description" type="xs:string">
  <xs:annotation>
    <xs:documentation>A complete description of what this command
    does. Can be long.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="command-groups">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="command-group" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="command-group" type="xs:string">
  <xs:annotation>
    <xs:documentation>
      A simple one-word tag used to group related commands together,
      such as "vm", "agent", "thread", or "numa". Useful for scenarios
      where subcommands are not applicable. Commands within a group are
      placed together in help output and receive a "see also" mention
      in help output for other commands within their group.
    </xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="command-group-metadatas">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="command-group-metadata" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="command-group-metadata">
  <xs:annotation>
    <xs:documentation>
      Metadata for the "command-group" elements which tag collections of related
      commands. This metadata is used to provide stylized names and descriptions
      as well as the order of appearance of command groups as displayed in 'help'
      output. Metadata elements are expected to map 1:1 with command-group
      elements and may be provided within the same thermostat-plugin.xml, or in
      a separate thermostat-plugin.xml.
    </xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="name"/>
      <xs:element name="description" type="xs:string"/>
      <xs:element name="sort-order" type="xs:integer"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

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

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

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

<xs:element name="required" type="xs:boolean"/>

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

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


<!-- definition of complex elements -->
<xs:element name="plugin">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="id" minOccurs="0" maxOccurs="1"/>
      <xs:choice>
        <xs:sequence>
          <xs:element ref="commands"/>
          <xs:element ref="command-group-metadatas" minOccurs="0" maxOccurs="1"/>
          <xs:element ref="extensions" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
        <xs:element ref="extensions"/>
      </xs:choice>
      <xs:element ref="configurations" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="commands">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="command" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="extensions">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="extension" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="extension">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="name"/>
      <xs:element ref="bundles"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="command">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="name"/>
      <xs:element ref="usage" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="summary"/>
      <xs:element ref="description"/>
      <xs:element ref="command-groups" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="subcommands" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="arguments" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="options" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="environments"/>
      <xs:element ref="bundles"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="subcommands">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="subcommand" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="subcommand">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="name"/>
      <xs:element ref="description"/>
      <xs:element ref="options" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="arguments">
  <xs:complexType>
    <xs:annotation>
      <xs:documentation>
        "Arguments" tag has been set as optional for commands that don't need any specified argument 
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element ref="argument" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="options">
  <xs:complexType>
    <xs:annotation>
      <xs:documentation>
        "Options" tag has been set as optional for commands that don't need any specified option 
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element ref="group" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="option" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="group">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="required" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="option" minOccurs="2" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:element name="option">
  <xs:complexType>
    <xs:sequence>
      <xs:choice>
        <xs:sequence>
          <xs:element ref="long"/>
          <xs:element ref="short" minOccurs="0" maxOccurs="1"/>
        </xs:sequence>
        <xs:element ref="short"/>
      </xs:choice>
      <xs:element ref="argument" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="required" minOccurs="0" maxOccurs="1"/>
      <xs:element ref="description" minOccurs="0" maxOccurs="1"/>
    </xs:sequence>
    <xs:attribute name="common" type="xs:boolean" use="optional"/>
  </xs:complexType>
</xs:element>

<xs:element name="environments">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="environment" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="environment">
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="shell">
        <xs:annotation>
          <xs:documentation>Indicates that the command is available to be invoked from within the thermostat shell.</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="cli">
        <xs:annotation>
          <xs:documentation>Indicates that the command is available to be invoked as an argument to the main thermostat program.</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
</xs:element>

<xs:element name="bundles">
  <xs:annotation>
    <xs:documentation>
      Specifies OSGi bundles
    </xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="bundle" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="bundle">
  <xs:annotation>
    <xs:documentation>
      Specifies an OSGi bundle
    </xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="symbolic-name">
        <xs:annotation>
          <xs:documentation>
            The 'Bundle-SymbolicName' of the OSGi bundle
          </xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element ref="version">
        <xs:annotation>
          <xs:documentation>
            The 'Bundle-Version' of the OSGi bundle
          </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="configurations">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="configuration" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

</xs:schema>