com.saperion.ngc.util

Class EventUtil

java.lang.Object

com.saperion.ngc.util.EventUtil

public final class EventUtil
extends Object

This class contains utility-methods for event-handling.

Author:

cmerkel

Method Summary

Modifier and Type	Method and Description
static <T extends org.zkoss.zk.ui.event.Event> boolean	notifyListeners(org.zkoss.zk.ui.Component component, String eventName, T event) Notifies all listeners for the specified event-name on the specified component about the event.
static <T extends org.zkoss.zk.ui.event.Event> void	notifyListenersIfAny(org.zkoss.zk.ui.Component component, String eventName, T event) Notifies all listeners for the specified event-name on the specified component about the event.

Methods inherited from class java.lang.Object

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

Method Detail

notifyListenersIfAny

public static <T extends org.zkoss.zk.ui.event.Event> void notifyListenersIfAny(org.zkoss.zk.ui.Component component,
                                                                                String eventName,
                                                                                T event)
                                                                         throws Exception

Notifies all listeners for the specified event-name on the specified component about the event. If there are no listeners for the specified event this method does nothing.

Type Parameters:

T - the type of the event

Parameters:

component - the component to get the event listeners from

eventName - the name of the event the listeners were registered on

event - the event to send to the listeners

Throws:

Exception - an exception that occured in the event listeners when handling the event

notifyListeners

public static <T extends org.zkoss.zk.ui.event.Event> boolean notifyListeners(org.zkoss.zk.ui.Component component,
                                                                              String eventName,
                                                                              T event)
                                                                       throws Exception

Notifies all listeners for the specified event-name on the specified component about the event. If there are no listeners for the specified event this method returns false.

Type Parameters:

T - the type of the event

Parameters:

component - the component to get the event listeners from

eventName - the name of the event the listeners were registered on

event - the event to send to the listeners

Returns:

true if the event was handled by at least one listener, otherwise false

Throws:

Exception - an exception that occured in the event listeners when handling the event