src/java.desktop/share/classes/javax/swing/JList.java

*** 2357,2386 ****
      }
  
  
      /**
       * Selects the specified object from the list.
       *
       * @param anObject      the object to select
       * @param shouldScroll  {@code true} if the list should scroll to display
       *                      the selected object, if one exists; otherwise {@code false}
       */
      public void setSelectedValue(Object anObject,boolean shouldScroll) {
!         if(anObject == null)
!             setSelectedIndex(-1);
!         else if(!anObject.equals(getSelectedValue())) {
              int i,c;
              ListModel<E> dm = getModel();
!             for(i=0,c=dm.getSize();i<c;i++)
!                 if(anObject.equals(dm.getElementAt(i))){
                      setSelectedIndex(i);
!                     if(shouldScroll)
                          ensureIndexIsVisible(i);
                      repaint();  /** FIX-ME setSelectedIndex does not redraw all the time with the basic l&f**/
                      return;
                  }
!             setSelectedIndex(-1);
          }
          repaint(); /** FIX-ME setSelectedIndex does not redraw all the time with the basic l&f**/
      }
  
  
--- 2357,2397 ----
      }
  
  
      /**
       * Selects the specified object from the list.
+      * If the object passed is not present in the list, the selection is
+      * cleared.
       *
       * @param anObject      the object to select
       * @param shouldScroll  {@code true} if the list should scroll to display
       *                      the selected object, if one exists; otherwise {@code false}
       */
      public void setSelectedValue(Object anObject,boolean shouldScroll) {
!         E selectedValue = getSelectedValue();
!         //This will be true if both anObject and selectedObject are either
!         // null or point to objects which return true on calling equals
!         if((anObject == selectedValue) ||
!                 (anObject != null && anObject.equals(selectedValue))) {
!             return;
!         } else {
              int i,c;
              ListModel<E> dm = getModel();
!             for(i=0,c=dm.getSize();i<c;i++) {
!                 Object object  = dm.getElementAt(i);
!                 //Either both should be null or reference to objects which
!                 // return true with equals method
!                 if ((anObject == object) ||
!                         anObject!= null && anObject.equals(object)) {
                      setSelectedIndex(i);
!                     if (shouldScroll)
                          ensureIndexIsVisible(i);
                      repaint();  /** FIX-ME setSelectedIndex does not redraw all the time with the basic l&f**/
                      return;
                  }
!             }
!             clearSelection();
          }
          repaint(); /** FIX-ME setSelectedIndex does not redraw all the time with the basic l&f**/
      }