Transformers

• A Transformer is used to map an input XML structure into another XML structure.

• Different types of transformers:

  • XSLT Transformer
  • Log Transformer
  • SQL Transformer
  • I18N Transformer
  • …

• Log Transformer is a good debugging tool.

• More transformers can be added without modifying Cocoon.

<map:transformers default="xslt">

<map:transformer name="xslt" src="org.apache.cocoon.transformation.TraxTransformer">

<use-store map:value="true"/>

<use-request-parameters map:value="false"/>

<use-browser-capabilities-db map:value="false"/>

</map:transformer>

<map:transformer name="log" src="org.apache.cocoon.transformation.LogTransformer"/>

...

</map:transformers>

<map:match pattern="hello.html">

<map:generate src="docs/samples/hello-page.xml"/>

<map:transform src="stylesheets/page/simple-page2html.xsl"/>

<map:serialize type="html"/>

</map:match>

Sitemap entries for different types of transformers

A sample transformer entry in a pipeline

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