org.mentawai.filter
Class SessionFilter

java.lang.Object
  org.mentawai.core.InputWrapper
      org.mentawai.filter.SessionFilter

All Implemented Interfaces:

Map, Filter, Input

public class SessionFilter
extends InputWrapper
implements Filter

This filter will place the session context in the action input. Note that the SessionContext class is also a Map so it can be easily injected in a pojo action without coupling with the framework API.

Author:

Sergio Oliveira Jr.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

SessionFilter(String name)

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.
Object	getValue(String name) Gets a parameter value (any object) with the given name.

Methods inherited from class org.mentawai.core.InputWrapper

clear, containsKey, containsValue, entries, entrySet, get, getBoolean, getBoolean, getBooleanValue, getBooleanValue, getDate, getDate, getDate, getDouble, getDouble, getDoubleValue, getDoubleValue, getEnum, getEnums, getFloat, getFloat, getFloatValue, getFloatValue, getHeader, getHeaderKeys, getInt, getInt, getInts, getIntValue, getIntValue, getIntValues, getLong, getLong, getLongs, getLongValue, getLongValue, getObject, getObject, getProperty, getString, getStrings, getStringValue, getStringValues, has, hasValue, inject, inject, isEmpty, keys, keySet, put, putAll, remove, removeInput, removeValue, setInput, setValue, size, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

SessionFilter

public SessionFilter(String name)

Method Detail

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

getValue

public Object getValue(String name)

Description copied from interface: Input

Gets a parameter value (any object) with the given name.

Specified by:

getValue in interface Input

Overrides:

getValue in class InputWrapper

Parameters:

name - the name of the parameter

Returns:

the parameter value (any object) or null if it doesn't exist.

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