org.apache.cocoon.matching
Class RequestAttributeMatcher

java.lang.Object
  extended byorg.apache.cocoon.matching.RequestAttributeMatcher
All Implemented Interfaces:
org.apache.cocoon.matching.Matcher, ThreadSafe

public class RequestAttributeMatcher
extends Object
implements org.apache.cocoon.matching.Matcher, 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:
$Id: RequestAttributeMatcher.html 1304280 2012-03-23 11:18:01Z ilgrosso $

Field Summary
 
Fields inherited from interface org.apache.cocoon.matching.Matcher
ROLE
 
Constructor Summary
RequestAttributeMatcher()
           
 
Method Summary
 Map match(String pattern, Map objectModel, 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 Map match(String pattern,
                 Map objectModel,
                 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 org.apache.cocoon.matching.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'


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