1 files changed, 53 insertions, 0 deletions
diff --git a/java/beans/PropertyChangeSupport.java b/java/beans/PropertyChangeSupport.java
index a0e64af4d..da30f994d 100644
--- a/java/beans/PropertyChangeSupport.java
+++ b/java/beans/PropertyChangeSupport.java
@@ -397,6 +397,59 @@ public class PropertyChangeSupport implements Serializable
   }
 
   /**
+   * Fire an indexed property change event.  This will only fire
+   * an event if the old and new values are not equal and not null. 
+   * @param name the name of the property which changed
+   * @param index the index of the property which changed
+   * @param oldValue the old value of the property
+   * @param newValue the new value of the property
+   * @since 1.5
+   */
+  public void fireIndexedPropertyChange(String name, int index,
+                                        Object oldValue, Object newValue)
+  {
+    // FIXME: should we use equals() here?
+    if (oldValue == newValue && oldValue != null)
+      firePropertyChange(new IndexedPropertyChangeEvent(source, name,
+                                                        oldValue, newValue,
+                                                        index));
+  }
+
+  /**
+   * Fire an indexed property change event.  This will only fire
+   * an event if the old and new values are not equal.
+   * @param name the name of the property which changed
+   * @param index the index of the property which changed
+   * @param oldValue the old value of the property
+   * @param newValue the new value of the property
+   * @since 1.5
+   */
+  public void fireIndexedPropertyChange(String name, int index,
+                                        int oldValue, int newValue)
+  {
+    if (oldValue != newValue)
+      fireIndexedPropertyChange(name, index, Integer.valueOf(oldValue),
+                                Integer.valueOf(newValue));
+  }
+
+  /**
+   * Fire an indexed property change event.  This will only fire
+   * an event if the old and new values are not equal.
+   * @param name the name of the property which changed
+   * @param index the index of the property which changed
+   * @param oldValue the old value of the property
+   * @param newValue the new value of the property
+   * @since 1.5
+   */
+  public void fireIndexedPropertyChange(String name, int index,
+                                        boolean oldValue, boolean newValue)
+  {
+    if (oldValue != newValue)
+      fireIndexedPropertyChange(name, index, Boolean.valueOf(oldValue),
+                                Boolean.valueOf(newValue));
+  }
+
+  /**
    * Tell whether the specified property is being listened on or not. This
    * will only return <code>true</code> if there are listeners on all
    * properties or if there is a listener specifically on this property.