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java.util.prefs
class PreferenceChangeEvent
- All Implemented Interfaces:
- Serializable
public class PreferenceChangeEvent
extends EventObject
An event emitted by a Preferences node to indicate that
a preference has been added, removed or has had its value changed.
Note, that although PreferenceChangeEvent inherits Serializable interface
from EventObject, it is not intended to be Serializable. Appropriate
serialization methods are implemented to throw NotSerializableException.
Constructor Summary |
Constructs a new PreferenceChangeEvent instance.
|
Method Summary |
String |
Returns the key of the preference that was changed.
|
String |
Returns the new value for the preference.
|
Preferences |
Returns the preference node that emitted the event.
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
PreferenceChangeEvent
public PreferenceChangeEvent(Preferences node,
String key,
String newValue)
-
Constructs a new
PreferenceChangeEvent
instance.
- Parameters:
node
- The Preferences node that emitted the event.
key
- The key of the preference that was changed.
newValue
- The new value of the preference, or null
if the preference is being removed.
getKey
public String getKey()
-
Returns the key of the preference that was changed.
- Returns:
- The key of the preference that was changed.
getNewValue
public String getNewValue()
-
Returns the new value for the preference.
- Returns:
- The new value for the preference, or null if the
preference was removed.
getNode
public Preferences getNode()
-
Returns the preference node that emitted the event.
- Returns:
- The preference node that emitted the event.
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
This page displays the
Jadeite version of the documention, which is derived from the offical documentation that contains this copyright notice:
The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.