org.apache.commons.lang3.event
Class EventUtils

java.lang.Object
  extended by org.apache.commons.lang3.event.EventUtils

public class EventUtils
extends Object

Provides some useful event-based utility methods.

Since:
3.0
Version:
$Id: EventUtils.java 1091072 2011-04-11 13:42:03Z mbenson $

Constructor Summary
EventUtils()
           
 
Method Summary
static
<L> void
addEventListener(Object eventSource, Class<L> listenerType, L listener)
          Adds an event listener to the specified source.
static
<L> void
bindEventsToMethod(Object target, String methodName, Object eventSource, Class<L> listenerType, String... eventTypes)
          Binds an event listener to a specific method on a specific object.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

EventUtils

public EventUtils()
Method Detail

addEventListener

public static <L> void addEventListener(Object eventSource,
                                        Class<L> listenerType,
                                        L listener)
Adds an event listener to the specified source. This looks for an "add" method corresponding to the event type (addActionListener, for example).

Type Parameters:
L - the event listener type
Parameters:
eventSource - the event source
listenerType - the event listener type
listener - the listener
Throws:
IllegalArgumentException - if the object doesn't support the listener type

bindEventsToMethod

public static <L> void bindEventsToMethod(Object target,
                                          String methodName,
                                          Object eventSource,
                                          Class<L> listenerType,
                                          String... eventTypes)
Binds an event listener to a specific method on a specific object.

Type Parameters:
L - the event listener type
Parameters:
target - the target object
methodName - the name of the method to be called
eventSource - the object which is generating events (JButton, JList, etc.)
listenerType - the listener interface (ActionListener.class, SelectionListener.class, etc.)
eventTypes - the event types (method names) from the listener interface (if none specified, all will be supported)


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