Package org.apache.commons.lang3.event

Class EventUtils.EventBindingInvocationHandler

java.lang.Object

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

All Implemented Interfaces:

InvocationHandler

Enclosing class:

EventUtils

private static final class EventUtils.EventBindingInvocationHandler
extends Object
implements InvocationHandler

Field Summary

Fields

Modifier and Type	Field	Description
private final Set<String>	eventTypes
private final String	methodName
private final Object	target

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
private boolean	hasMatchingParametersMethod(Method method)	Checks whether a method for the passed in parameters can be found.
Object	invoke(Object proxy, Method method, 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 Details

target

private final Object target

methodName

private final String methodName

eventTypes

private final Set<String> eventTypes

Constructor Details

EventBindingInvocationHandler

EventBindingInvocationHandler(Object target,
 String methodName,
 String[] eventTypes)

Creates a new instance of EventUtils.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 Details

hasMatchingParametersMethod

private boolean hasMatchingParametersMethod(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

invoke

public Object invoke(Object proxy,
 Method method,
 Object[] parameters)
              throws Throwable

Handles a method invocation on the proxy object.

Specified by:

invoke in interface 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:

Throwable - if an error occurs