java.beans: public class: PropertyChangeListenerProxy

java.beans
public class: PropertyChangeListenerProxy [javadoc | source]

java.lang.Object
   java.util.EventListenerProxy
      java.beans.PropertyChangeListenerProxy

All Implemented Interfaces:
PropertyChangeListener, EventListener

A class which extends the {@code EventListenerProxy} specifically for adding a {@code PropertyChangeListener} with a "bound" property. Instances of this class can be added as {@code PropertyChangeListener}s to a bean which supports firing property change events.

If the object has a {@code getPropertyChangeListeners} method then the array returned could be a mixture of {@code PropertyChangeListener} and {@code PropertyChangeListenerProxy} objects.

Also see:

java.util.EventListenerProxy

PropertyChangeSupport#getPropertyChangeListeners

since: 1.4 -

Constructor:

Constructor:
public PropertyChangeListenerProxy(String propertyName, PropertyChangeListener listener) { super(listener); this.propertyName = propertyName; } Constructor which binds the {@code PropertyChangeListener} to a specific property. Parameters: `propertyName` - the name of the property to listen on `listener` - the listener object

 public PropertyChangeListenerProxy(String propertyName,
    PropertyChangeListener listener) {
        super(listener);
        this.propertyName = propertyName;
}

Constructor which binds the {@code PropertyChangeListener} to a specific property.

Parameters:

propertyName - the name of the property to listen on

listener - the listener object

Method from java.beans.PropertyChangeListenerProxy Summary:
getPropertyName, propertyChange

Methods from java.util.EventListenerProxy:
getListener

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from java.beans.PropertyChangeListenerProxy Detail:
public String getPropertyName() { return this.propertyName; } Returns the name of the named property associated with the listener.
public void propertyChange(PropertyChangeEvent event) { getListener().propertyChange(event); } Forwards the property change event to the listener delegate.

Method from java.beans.PropertyChangeListenerProxy Detail:

 public String getPropertyName() {
        return this.propertyName;
}

Returns the name of the named property associated with the listener.

 public  void propertyChange(PropertyChangeEvent event) {
        getListener().propertyChange(event);
}

Forwards the property change event to the listener delegate.