org.apache.cocoon.matching
Class RequestAttributeMatcher

java.lang.Object
  |
  +--org.apache.cocoon.matching.RequestAttributeMatcher

All Implemented Interfaces:

org.apache.avalon.framework.component.Component, Matcher, org.apache.avalon.framework.thread.ThreadSafe

public class RequestAttributeMatcher

extends java.lang.Object

implements Matcher, org.apache.avalon.framework.thread.ThreadSafe

This class allows for matching based on a request attribute. If the specified request attribute exists, its string representation is retrieved for later sitemap substitution.

Example:

 <map:match type="request-attribute" pattern="next">
     <map:redirect-to src="{1}"/>
 </map:match>
 

Version:

CVS $Id: RequestAttributeMatcher.java,v 1.4.2.2 2002/10/03 04:40:44 vgritsenko Exp $

Author:

Vadim Gritsenko

Fields inherited from interface org.apache.cocoon.matching.Matcher

ROLE

Constructor Summary

RequestAttributeMatcher()

Method Summary

java.util.Map

match(java.lang.String pattern, java.util.Map objectModel, org.apache.avalon.framework.parameters.Parameters parameters) Match method to see if the request attribute exists.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RequestAttributeMatcher

public RequestAttributeMatcher()

Method Detail

match

public java.util.Map match(java.lang.String pattern,
                           java.util.Map objectModel,
                           org.apache.avalon.framework.parameters.Parameters parameters)

Match method to see if the request attribute exists. If it does have a value the string represenation of attribute is added to the array list for later sitemap substitution.

Specified by:

match in interface Matcher

Parameters:

pattern - name of request attribute to find

objectModel - environment passed through via cocoon

Returns:

null or map containing value of request attribute 'pattern'