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org.mentawai.filter
Class InjectionFilter  

java.lang.Object
  org.mentawai.filter.InjectionFilter

All Implemented Interfaces:

org.mentawai.core.Filter

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public class InjectionFilter

extends java.lang.Object

implements org.mentawai.core.Filter

A filter that tries to inject the input values in the action through setters. (Ex. setUsername(), setPassword(), etc.) It can also inject the input value directly in the attribute, even if it is a private field. Use this filter if you don't want to deal with the action input object and instaed you want to inject its values in the action. This filter tries to inject all the input values in the action.

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Field Summary
private  java.util.Map	methods
private  boolean	tryField

 

Constructor Summary

InjectionFilter()           Creates an InjectionFilter that can be used by any action class.

InjectionFilter(boolean tryField)           Creates an InjectionFilter that can be used by any action class.

 

Method Summary
void	destroy()           Gives a chance to the filter to deallocalte any resources before it is destroyed.
java.lang.String	filter(org.mentawai.core.InvocationChain chain)           Executes the filter.
(package private) static java.lang.reflect.Field	getField(java.lang.Object target, java.lang.String name)
(package private) static java.lang.Class	getPrimitiveFrom(java.lang.Object w)
private  void	setValue(java.lang.Object target, java.lang.String name, java.lang.Object value)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

methods

private java.util.Map methods

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tryField

private boolean tryField

Constructor Detail

InjectionFilter

public InjectionFilter()

Creates an InjectionFilter that can be used by any action class. You may use this filter per action or as a global filter.

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InjectionFilter

public InjectionFilter(boolean tryField)

Creates an InjectionFilter that can be used by any action class. You may use this filter per action or as a global filter. If tryField is true and it cannot find a setter for the input value, it will try to directly access the attribute, even if it is a private field.

Method Detail

getField

static java.lang.reflect.Field getField(java.lang.Object target,
                                        java.lang.String name)

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setValue

private void setValue(java.lang.Object target,
                      java.lang.String name,
                      java.lang.Object value)

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getPrimitiveFrom

static java.lang.Class getPrimitiveFrom(java.lang.Object w)

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filter

public java.lang.String filter(org.mentawai.core.InvocationChain chain)
                        throws java.lang.Exception

Description copied from interface: org.mentawai.core.Filter

Executes the filter.

Specified by:

filter in interface org.mentawai.core.Filter

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destroy

public void destroy()

Description copied from interface: org.mentawai.core.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 org.mentawai.core.Filter

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