diff options
Diffstat (limited to 'javax/swing/event/EventListenerList.java')
-rw-r--r-- | javax/swing/event/EventListenerList.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/javax/swing/event/EventListenerList.java b/javax/swing/event/EventListenerList.java index f76dfa3fe..1568039f0 100644 --- a/javax/swing/event/EventListenerList.java +++ b/javax/swing/event/EventListenerList.java @@ -37,6 +37,9 @@ exception statement from your version. */ package javax.swing.event; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; import java.io.Serializable; import java.lang.reflect.Array; import java.util.EventListener; @@ -304,4 +307,51 @@ public class EventListenerList } return buf.toString(); } + + /** + * Serializes an instance to an ObjectOutputStream. + * + * @param out the stream to serialize to + * + * @throws IOException if something goes wrong + */ + private void writeObject(ObjectOutputStream out) + throws IOException + { + out.defaultWriteObject(); + for (int i = 0; i < listenerList.length; i += 2) + { + Class cl = (Class) listenerList[i]; + EventListener l = (EventListener) listenerList[i + 1]; + if (l != null && l instanceof Serializable) + { + out.writeObject(cl.getName()); + out.writeObject(l); + } + } + // Write end marker. + out.writeObject(null); + } + + /** + * Deserializes an instance from an ObjectInputStream. + * + * @param in the input stream + * + * @throws ClassNotFoundException if a serialized class can't be found + * @throws IOException if something goes wrong + */ + private <T extends EventListener> void readObject(ObjectInputStream in) + throws ClassNotFoundException, IOException + { + listenerList = NO_LISTENERS; + in.defaultReadObject(); + Object type; + ClassLoader cl = Thread.currentThread().getContextClassLoader(); + while ((type = in.readObject()) != null) + { + EventListener l = (EventListener) in.readObject(); + add(((Class<T>) Class.forName((String) type, true, cl)), (T) l); + } + } } |