java.util
Class EventObjectjava.lang.Object | +--java.util.EventObject
- All Implemented Interfaces:
- Serializable
- Direct Known Subclasses:
- AWTEvent, BeanContextEvent, CaretEvent, ChangeEvent, ConnectionEvent, DragGestureEvent, DragSourceEvent, DropTargetEvent, HandshakeCompletedEvent, HyperlinkEvent, LineEvent, ListDataEvent, ListSelectionEvent, MenuEvent, NamingEvent, NamingExceptionEvent, NodeChangeEvent, PopupMenuEvent, PreferenceChangeEvent, PrintEvent, PropertyChangeEvent, RowSetEvent, SSLSessionBindingEvent, TableColumnModelEvent, TableModelEvent, TreeExpansionEvent, TreeModelEvent, TreeSelectionEvent, UndoableEditEvent, UnsolicitedNotificationEvent
- public class EventObject
- extends Object
- implements Serializable
The root class from which all event state objects shall be derived.
All Events are constructed with a reference to the object, the "source", that is logically deemed to be the object upon which the Event in question initially occurred upon.
- Since:
- JDK1.1
- See Also:
- Serialized Form
Field Summary
protected Object source
The object on which the Event initially occurred.
Constructor Summary
EventObject(Object source)
Constructs a prototypical Event.
Method Summary
Object getSource()
The object on which the Event initially occurred.String toString()
Returns a String representation of this EventObject.
Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Field Detail
source
protected transient Object source
- The object on which the Event initially occurred.
Constructor Detail
EventObject
public EventObject(Object source)
- Constructs a prototypical Event.
- Parameters:
- source - The object on which the Event initially occurred.
Method Detail
getSource
public Object getSource()
- The object on which the Event initially occurred.
- Returns:
- The object on which the Event initially occurred.
toString
public String toString()
- Returns a String representation of this EventObject.
- Overrides:
- toString in class Object
- Returns:
- A a String representation of this EventObject.