java.util.prefs
public class PreferenceChangeEvent extends EventObject
getNewValue will return null.
Preference change events are only generated for entries in one particular
preference node. Notification of subnode addition/removal is given by a
NodeChangeEvent.
Note that although this class is marked as serializable, attempts to serialize it will fail with NotSerializableException.
Since: 1.4
| Constructor Summary | |
|---|---|
| PreferenceChangeEvent(Preferences node, String key, String value)
Creates a new PreferenceChangeEvent.
| |
| Method Summary | |
|---|---|
| String | getKey()
Returns the key of the entry that was added, changed or removed. |
| String | getNewValue()
Returns the new value of the entry that was added or changed, or
returns null when the entry was removed. |
| Preferences | getNode()
Returns the source Preference node from which an entry was added,
changed or removed. |
Parameters: node The source preference node for which an entry was added, changed or removed key The key of the entry that was added, changed or removed value The new value of the entry that was added or changed, or null when the entry was removed