org.apache.commons.lang3.event

Class EventUtils

java.lang.Object

org.apache.commons.lang3.event.EventUtils

public class EventUtils
extends Object

Provides some useful event-based utility methods.

Since:

3.0

Constructor Summary

Constructors

Constructor and Description
EventUtils()

Method Summary

Modifier and Type	Method and Description
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)