Package org.apache.commons.lang3.event

Class EventUtils

java.lang.Object

org.apache.commons.lang3.event.EventUtils

public class EventUtils
extends java.lang.Object

Provides some useful event-based utility methods.

Since:

3.0

Constructor Summary

Constructors

Constructor	Description
EventUtils()

Method Summary

Modifier and Type	Method	Description
static <L> void	addEventListener(java.lang.Object eventSource, java.lang.Class<L> listenerType, L listener)	Adds an event listener to the specified source.
static <L> void	bindEventsToMethod(java.lang.Object target, java.lang.String methodName, java.lang.Object eventSource, java.lang.Class<L> listenerType, java.lang.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(java.lang.Object eventSource,
                                        java.lang.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:

java.lang.IllegalArgumentException - if the object doesn't support the listener type

bindEventsToMethod

public static <L> void bindEventsToMethod(java.lang.Object target,
                                          java.lang.String methodName,
                                          java.lang.Object eventSource,
                                          java.lang.Class<L> listenerType,
                                          java.lang.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)