org.mentawai.filter
Class ConversionFilter

java.lang.Object
  extended by org.mentawai.filter.ConversionFilter
All Implemented Interfaces:
Filter
Direct Known Subclasses:
DateConverterFilter, DoubleConverterFilter, IntegerConverterFilter

public abstract class ConversionFilter
extends Object
implements Filter

Author:
Sergio Oliveira

Constructor Summary
ConversionFilter()
           
ConversionFilter(boolean restore)
           
 
Method Summary
 void destroy()
          Gives a chance to the filter to deallocalte any resources before it is destroyed.
 String filter(InvocationChain chain)
          Executes the filter.
abstract  void prepareConverters(Map<String,Converter> converters, Action action, String innerAction)
          Override this abstract method to add converters for the fields you want to convert.
 void setRestore(boolean restore)
          Should this filter restore the old values after the action has executed?
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ConversionFilter

public ConversionFilter()

ConversionFilter

public ConversionFilter(boolean restore)
Method Detail

setRestore

public void setRestore(boolean restore)
Should this filter restore the old values after the action has executed?

Parameters:
restore - true to restore the values.

prepareConverters

public abstract void prepareConverters(Map<String,Converter> converters,
                                       Action action,
                                       String innerAction)
Override this abstract method to add converters for the fields you want to convert.


filter

public String filter(InvocationChain chain)
              throws Exception
Description copied from interface: Filter
Executes the filter.

Specified by:
filter in interface Filter
Parameters:
chain - The InvocationChain for the action this filter is being applied to.
Returns:
The result of the filter or the action the filter is being applied to.
Throws:
Exception

destroy

public void destroy()
Description copied from interface: Filter
Gives a chance to the filter to deallocalte any resources before it is destroyed. This is called when the web application is stopped, in other words, this has nothing to do with garbage collection.

Specified by:
destroy in interface Filter


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