org.apache.commons.lang3.event

Class EventUtils.EventBindingInvocationHandler

java.lang.Object

org.apache.commons.lang3.event.EventUtils.EventBindingInvocationHandler

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

Enclosing class:

EventUtils

private static class EventUtils.EventBindingInvocationHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Set<java.lang.String>	eventTypes
private java.lang.String	methodName
private java.lang.Object	target

Constructor Summary

Constructors

Constructor and Description
EventBindingInvocationHandler(java.lang.Object target, java.lang.String methodName, java.lang.String[] eventTypes) Creates a new instance of EventBindingInvocationHandler.

Method Summary

Modifier and Type	Method and Description
private boolean	hasMatchingParametersMethod(java.lang.reflect.Method method) Checks whether a method for the passed in parameters can be found.
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] parameters) Handles a method invocation on the proxy object.

Methods inherited from class java.lang.Object

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

Field Detail

target

private final java.lang.Object target

methodName

private final java.lang.String methodName

eventTypes

private final java.util.Set<java.lang.String> eventTypes

Constructor Detail

EventBindingInvocationHandler

EventBindingInvocationHandler(java.lang.Object target,
                              java.lang.String methodName,
                              java.lang.String[] eventTypes)

Creates a new instance of EventBindingInvocationHandler.

Parameters:

target - the target object for method invocations

methodName - the name of the method to be invoked

eventTypes - the names of the supported event types

Method Detail

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] parameters)
                        throws java.lang.Throwable

Handles a method invocation on the proxy object.

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Parameters:

proxy - the proxy instance

method - the method to be invoked

parameters - the parameters for the method invocation

Returns:

the result of the method call

Throws:

java.lang.Throwable - if an error occurs

hasMatchingParametersMethod

private boolean hasMatchingParametersMethod(java.lang.reflect.Method method)

Checks whether a method for the passed in parameters can be found.

Parameters:

method - the listener method invoked

Returns:

a flag whether the parameters could be matched