Re: Standard Extensions

On 25/01/2012, at 1:02 PM, Jay Daley wrote:

> Then there is the big change to the core protocol I've always wanted to do:
> 
> 3.  Change the command extension mechanism to use SubstitutionGroup to give first class extensions.  

To explain this a bit better, here is some XML Schema:

  <!-- New types and elements to support substitutionGroup -->

  <complexType name="abstractCommandType" abstract="true"/>
  
  <!-- We need an element here that is the target of a substitutiongroup attribute later on -->
  <element name="abstractCommand" type="epp:abstractCommandType" />
    
  <complexType name="commandType">
    <sequence>
      <element ref="epp:abstractCommand"/>
      <element name="extension" type="epp:extAnyType"
        minOccurs="0"/>
      <element name="clTRID" type="epp:trIDStringType"
        minOccurs="0"/>      
    </sequence>
  </complexType>

  <element name="check" substitutionGroup="epp:abstractCommand" type="epp:readWriteType"/>
  <element name="create" substitutionGroup="epp:abstractCommand" type="epp:readWriteType"/>
  <element name="delete" substitutionGroup="epp:abstractCommand" type="epp:readWriteType"/>
  <element name="info" substitutionGroup="epp:abstractCommand" type="epp:readWriteType"/>
  <element name="login" substitutionGroup="epp:abstractCommand" type="epp:loginType"/>
  <element name="logout" substitutionGroup="epp:abstractCommand" />
  <element name="poll" substitutionGroup="epp:abstractCommand" type="epp:pollType"/>
  <element name="renew" substitutionGroup="epp:abstractCommand" type="epp:readWriteType"/>
  <element name="transfer" substitutionGroup="epp:abstractCommand" type="epp:transferType"/>
  <element name="update" substitutionGroup="epp:abstractCommand" type="epp:readWriteType"/>

  <complexType name="readWriteType">
    <complexContent>
      <extension base="epp:abstractCommandType">
        <sequence>
          <any namespace="##other" />
        </sequence>
      </extension>
    </complexContent>
  </complexType>
  
  <complexType name="loginType">
    <complexContent>
      <extension base="epp:abstractCommandType">
        <sequence>
          <element name="clID" type="eppcom:clIDType"/>
          <element name="pw" type="epp:pwType"/>
          <element name="newPW" type="epp:pwType"
            minOccurs="0"/>
          <element name="options" type="epp:credsOptionsType"/>
          <element name="svcs" type="epp:loginSvcType"/>
        </sequence>
      </extension>
    </complexContent>
  </complexType>
  
  <complexType name="pollType">
    <complexContent>
      <extension base="epp:abstractCommandType">
        <attribute name="op" type="epp:pollOpType"
          use="required"/>
        <attribute name="msgID" type="token"/>
      </extension>
    </complexContent>
  </complexType>
  
  <complexType name="transferType">
    <complexContent>
      <extension base="epp:abstractCommandType">
        <sequence>
          <any namespace="##other"/>
        </sequence>
        <attribute name="op" type="epp:transferOpType"
          use="required"/>
       </extension>
    </complexContent>
  </complexType>

cheers
Jay

-- 
Jay Daley
Chief Executive
.nz Registry Services (New Zealand Domain Name Registry Limited)
desk: +64 4 931 6977
mobile: +64 21 678840

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