org.mentawai.filter
Class AutoWiringFilter

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

All Implemented Interfaces:

Map, Filter, Input

public class AutoWiringFilter
extends InputWrapper
implements Filter

A filter that will do AUTO-WIRING of dependencies in a totaly transparent way.

Author:

Sergio Oliveira

Nested Class Summary

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

Map.Entry<K,V>

Constructor Summary

AutoWiringFilter()

AutoWiringFilter(boolean tryField)

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 key) Gets a parameter value (any object) with the given name.
Object	getValueOld(String key)
void	setTryField(boolean tryField)
void	setValue(String key, Object value) Sets a parameter value with the given name.
String	toString()

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, getRoot, getString, getStrings, getStringValue, getStringValues, has, hasValue, inject, inject, isEmpty, keys, keySet, put, putAll, remove, removeInput, removeValue, setInput, size, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

AutoWiringFilter

public AutoWiringFilter(boolean tryField)

AutoWiringFilter

public AutoWiringFilter()

Method Detail

toString

public String toString()

Overrides:

toString in class Object

setTryField

public void setTryField(boolean tryField)

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

setValue

public void setValue(String key,
                     Object value)

Description copied from interface: Input

Sets a parameter value with the given name. The parameter can be any object. If the parameter already exists the old value is substituted by the new one.

Specified by:

setValue in interface Input

Overrides:

setValue in class InputWrapper

Parameters:

key - the name of the parameter

value - the parameter value (any object)

getValue

public Object getValue(String key)

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:

key - the name of the parameter

Returns:

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

getValueOld

public Object getValueOld(String key)

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