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diff --git a/libjava/classpath/javax/swing/DefaultSingleSelectionModel.java b/libjava/classpath/javax/swing/DefaultSingleSelectionModel.java
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+/* DefaultSingleSelectionModel.java --
+   Copyright (C) 2002, 2004  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing;
+
+import java.io.Serializable;
+import java.util.EventListener;
+
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import javax.swing.event.EventListenerList;
+
+/**
+ * DefaultSingleSelectionModel
+ *
+ * @author Andrew Selkirk
+ */
+public class DefaultSingleSelectionModel
+  implements SingleSelectionModel, Serializable
+{
+  private static final long serialVersionUID = 3676229404753786004L;
+
+  /**
+   * changeEvent
+   */
+  protected transient ChangeEvent changeEvent = new ChangeEvent(this);
+
+  /**
+   * listenerList
+   */
+  protected EventListenerList listenerList = new EventListenerList();
+
+  /**
+   * index
+   */
+  private int index = -1;
+
+  /**
+   * Constructor DefaultSingleSelectionModel
+   */
+  public DefaultSingleSelectionModel()
+  {
+    // Do nothing.
+  }
+
+  /**
+   * getSelectedIndex
+   * @return int
+   */
+  public int getSelectedIndex()
+  {
+    return index;
+  }
+
+  /**
+   * setSelectedIndex
+   * @param index TODO
+   */
+  public void setSelectedIndex(int index)
+  {
+    this.index = index;
+    fireStateChanged();
+  }
+
+  /**
+   * clearSelection
+   */
+  public void clearSelection()
+  {
+    index = -1;
+    fireStateChanged();
+  }
+
+  /**
+   * isSelected
+   * @return boolean
+   */
+  public boolean isSelected()
+  {
+    return index != -1;
+  }
+
+  /**
+   * addChangeListener
+   *
+   * @param listener the listener to add
+   */
+  public void addChangeListener(ChangeListener listener)
+  {
+    listenerList.add(ChangeListener.class, listener);
+  }
+
+  /**
+   * removeChangeListener
+   *
+   * @param listener the listener to remove
+   */
+  public void removeChangeListener(ChangeListener listener)
+  {
+    listenerList.remove(ChangeListener.class, listener);
+  }
+
+  /**
+   * fireStateChanged
+   */
+  protected void fireStateChanged()
+  {
+    ChangeListener[] listeners = getChangeListeners();
+
+    for (int i = 0; i < listeners.length; i++)
+      listeners[i].stateChanged(changeEvent);
+  }
+
+  /**
+   * getListeners
+   *
+   * @param listenerClass the type fo listener
+   *
+   * @return an array of listeners
+   *
+   * @since 1.3
+   */
+  public EventListener[] getListeners(Class listenerClass)
+  {
+    return listenerList.getListeners(listenerClass);
+  }
+
+  /**
+   * getChangeListeners
+   *
+   * @since 1.4
+   */
+  public ChangeListener[] getChangeListeners()
+  {
+    return (ChangeListener[]) getListeners(ChangeListener.class);
+  }
+}