tapestry/tapestry-framework/src/descriptor/META-INF/tapestry.data.xml

<?xml version="1.0" encoding="UTF-8"?>
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<module id="tapestry.data" version="4.0.0" package="org.apache.tapestry.util.io">
  
  Module used to define the DataSqueezer service and related.
  
  <service-point id="DataSqueezer" interface="org.apache.tapestry.services.DataSqueezer">
    
    Converts back and forth between primitive and object types and encoded strings.
    <invoke-factory service-id="hivemind.lib.PipelineFactory">
      <create-pipeline filter-interface="org.apache.tapestry.services.DataSqueezerFilter"
                       configuration-id="DataSqueezerFilters"
                       terminator="service:DataSqueezerTerminator" />    
    </invoke-factory>
    
    
  </service-point>
  
  <configuration-point id="DataSqueezerFilters" schema-id="hivemind.lib.Pipeline">
  Allows you to plug in your own custom data squeezers in front of the default Tapestry
  data squeezer.
  </configuration-point>
  
  <contribution configuration-id="DataSqueezerFilters">
        <filter name="NullDataSqueezerFilter" before="*" object="instance:org.apache.tapestry.data.NullDataSqueezerFilter" />
  </contribution>
  
  <service-point id="DataSqueezerTerminator" 
                 visibility="private" 
                 interface="org.apache.tapestry.services.DataSqueezer">
    <invoke-factory>
      <construct class="DataSqueezerImpl">
        <set-configuration property="squeezeAdaptors"
                           configuration-id="SqueezeAdaptors"/>
      </construct>
    </invoke-factory>
  </service-point>
  
  <configuration-point id="SqueezeAdaptors" occurs="1..n">
    
    Defines the available set of adaptors.  Each adaptor provides its own
    prefix (via its getPrefix() method), so all that's needed is 
    the set of objects.
    
    <schema>
      <element name="adaptor">
        <attribute name="object" required="true" translator="object"/>
        <rules>
          <push-attribute attribute="object"/>
          <invoke-parent method="addElement"/>
        </rules>
      </element>
    </schema>
  </configuration-point>
  
  <contribution configuration-id="tapestry.Infrastructure">
    <property name="dataSqueezer" object="service:DataSqueezer"/>
  </contribution>

  <service-point id="SerializableAdaptor" interface="SqueezeAdaptor">
    
    Converts an object down to a compressed byte stream, and then to a MIME-like string representation.
    
    <invoke-factory>
      <construct class="SerializableAdaptor" class-resolver-property="resolver"/>
    </invoke-factory>
  </service-point>
  

  <contribution configuration-id="SqueezeAdaptors">
    <adaptor object="instance:BooleanAdaptor"/>
    <adaptor object="instance:ByteAdaptor"/>
    <adaptor object="instance:CharacterAdaptor"/>
    <adaptor object="instance:ComponentAddressAdaptor"/>
    <adaptor object="instance:DoubleAdaptor"/>
    <adaptor object="instance:FloatAdaptor"/>
    <adaptor object="instance:IntegerAdaptor"/>
    <adaptor object="instance:LongAdaptor"/>
    <adaptor object="service:SerializableAdaptor"/>
    <adaptor object="instance:ShortAdaptor"/>
    <adaptor object="instance:StringAdaptor"/>
  </contribution>

</module>