Examples of java.util.prefs.PreferenceChangeEvent

java.util.prefs.PreferenceChangeEvent
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. @author Josh Bloch @version 1.7, 11/17/05 @see Preferences @see PreferenceChangeListener @see NodeChangeEvent @since 1.4 @serial exclude

  }


  public void addPreferenceChangeListener(final PreferenceChangeListener pcl) {
    preferenceStore.addPropertyChangeListener(new IPropertyChangeListener() {
      public void propertyChange(org.eclipse.jface.util.PropertyChangeEvent evt) {
        pcl.preferenceChange(new PreferenceChangeEvent( Preferences.userRoot(), evt.getProperty(), String.valueOf(evt.getNewValue())));
      }
    });    
  }

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        super.setUp();
        l = new PreferenceChangeListenerImpl();
    }


    public void testPreferenceChange() {
        l.preferenceChange(new PreferenceChangeEvent(Preferences.userRoot(),
                "", ""));
    }

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                listenersSnapshot = new ArrayList<>(listeners);
            } finally {
                listenersLock.unlock();
            }


            PreferenceChangeEvent evt = new PreferenceChangeEvent(Preferences.systemRoot(), key, newValue);
            for (PreferenceChangeListener listener: listenersSnapshot) {
                listener.preferenceChange(evt);
            }
        }

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