net.engio.mbassy.dispatch.el

Class ElFilter

java.lang.Object

net.engio.mbassy.dispatch.el.ElFilter

All Implemented Interfaces:

IMessageFilter

public class ElFilter
extends Object
implements IMessageFilter

A filter that will use a expression from the handler annotation and parse it as EL.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ElFilter.ExpressionFactoryHolder

Constructor Summary

Constructors

Constructor and Description
ElFilter()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accepts(Object message, MessageHandler metadata) Accepts a message if the associated EL expression of the message handler resolves to 'true'
static javax.el.ExpressionFactory	ELFactory()
static boolean	isELAvailable()

Methods inherited from class java.lang.Object

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

Constructor Detail

ElFilter

public ElFilter()

Method Detail

isELAvailable

public static final boolean isELAvailable()

ELFactory

public static final javax.el.ExpressionFactory ELFactory()

accepts

public boolean accepts(Object message,
              MessageHandler metadata)

Accepts a message if the associated EL expression of the message handler resolves to 'true'

Specified by:

accepts in interface IMessageFilter

Parameters:

message - the message to be handled by the handler

metadata - the metadata object which describes the message handler

Returns: