Package org.apache.commons.lang3.event

Class 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

      All Methods Static Methods Concrete Methods 
      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

        equals, 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)