org.apache.cocoon.selection
Class AbstractSwitchSelector

java.lang.Object
  extended byorg.apache.avalon.framework.logger.AbstractLogEnabled
      extended byorg.apache.cocoon.selection.AbstractSwitchSelector
All Implemented Interfaces:
LogEnabled, Selector, SwitchSelector, ThreadSafe
Direct Known Subclasses:
AbstractRegexpSelector, AjaxRequestSelector, DateSelector, ExceptionSelector, RequestParameterSelector, SimpleSelector

public abstract class AbstractSwitchSelector
extends AbstractLogEnabled
implements SwitchSelector

Abstract SwitchSelector class.

Version:
CVS $Id: AbstractSwitchSelector.java 30941 2004-07-29 19:56:58Z vgritsenko $
Author:
Marcus Crafter, Sylvain Wallez

Field Summary
 
Fields inherited from interface org.apache.cocoon.selection.SwitchSelector
ROLE
 
Constructor Summary
AbstractSwitchSelector()
           
 
Method Summary
abstract  Object getSelectorContext(Map objectModel, Parameters parameters)
          Method to create a selector context.
 boolean select(String expr, Map objectModel, Parameters params)
          Selectors test pattern against some objects in a Map model and signals success with the returned boolean value
abstract  boolean select(String expression, Object selectorContext)
          Selectors test pattern against some objects in a Map model and signals success with the returned boolean value
 
Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled
enableLogging, getLogger, setupLogger, setupLogger, setupLogger
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AbstractSwitchSelector

public AbstractSwitchSelector()
Method Detail

getSelectorContext

public abstract Object getSelectorContext(Map objectModel,
                                          Parameters parameters)
Method to create a selector context.

Specified by:
getSelectorContext in interface SwitchSelector
Parameters:
objectModel - The Map containing object of the calling environment which may be used to select values to test the expression.
parameters - The sitemap parameters, as specified by <parameter/> tags.
Returns:
selector context

select

public abstract boolean select(String expression,
                               Object selectorContext)
Selectors test pattern against some objects in a Map model and signals success with the returned boolean value

Specified by:
select in interface SwitchSelector
Parameters:
expression - The expression to test.
selectorContext - The context this test should be performed in.
Returns:
boolean Signals successful test.

select

public boolean select(String expr,
                      Map objectModel,
                      Parameters params)
Selectors test pattern against some objects in a Map model and signals success with the returned boolean value

Specified by:
select in interface Selector
Parameters:
expr - The expression to test.
objectModel - The Map containing object of the calling environment which may be used to select values to test the expression.
params - The sitemap parameters, as specified by <parameter/> tags.
Returns:
Signals successful test.


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