RequestMethodSelector in Cocoon

The RequestMethodSelector allows pipeline creation to be influenced by the method of the request. For example, in a Cocoon Forms environment, a GET request could be forwarded to a new FlowScript function, whilst a POST could be forwarded to a continuation, for example:

<map:match pattern="myform">
  <map:select type="request-method">
    <map:when test="GET">
       <map:call function="myform"/>
    </map:when>
    <map:when test="POST">
      <map:call continuation="request-param:continuation-id"/>
    </map:when>
  </map:select>
</map:match>

Sitemap component configuration example

<map:selectors...
  <map:selector name="request-method" 
                logger="sitemap.selector.request-method" 
                src="org.apache.cocoon.selection.RequestMethodSelector"/>
  ...
</map:selectors>

Configuration

The request method selector does not require any specific configuration, other than specifying a name and an implementing class, as in the example above.

2004-12-16: Created this document

General documentation about selectors is available at Matchers and Selectors.