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diff --git a/libjava/classpath/java/awt/dnd/DragGestureRecognizer.java b/libjava/classpath/java/awt/dnd/DragGestureRecognizer.java
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+/* DragGestureRecognizer.java --
+   Copyright (C) 2002 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 java.awt.dnd;
+
+import java.awt.Component;
+import java.awt.Point;
+import java.awt.event.InputEvent;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.TooManyListenersException;
+
+/**
+ * STUBBED
+ * @since 1.2
+ */
+public abstract class DragGestureRecognizer implements Serializable
+{
+  /**
+   * Compatible with JDK 1.2+.
+   */
+  private static final long serialVersionUID = 8996673345831063337L;
+
+  protected DragSource dragSource;
+  protected Component component;
+  protected transient DragGestureListener dragGestureListener;
+  protected int sourceActions;
+  protected ArrayList events = new ArrayList();
+
+  protected DragGestureRecognizer(DragSource ds, Component c, int sa,
+                                  DragGestureListener dgl)
+  {
+    if (ds == null)
+      throw new IllegalArgumentException();
+    dragSource = ds;
+    component = c;
+    sourceActions = sa;
+    dragGestureListener = dgl;
+  }
+
+  protected DragGestureRecognizer(DragSource ds, Component c, int sa)
+  {
+    this(ds, c, sa, null);
+  }
+
+  protected DragGestureRecognizer(DragSource ds, Component c)
+  {
+    this(ds, c, 0, null);
+  }
+
+  protected DragGestureRecognizer(DragSource ds)
+  {
+    this(ds, null, 0, null);
+  }
+
+  protected abstract void registerListeners();
+
+  protected abstract void unregisterListeners();
+
+  public DragSource getDragSource()
+  {
+    return dragSource;
+  }
+
+  public Component getComponent()
+  {
+    return component;
+  }
+
+  public void setComponent(Component c)
+  {
+    component = c;
+  }
+
+  public int getSourceActions()
+  {
+    return sourceActions;
+  }
+
+  public void setSourceActions(int sa)
+  {
+    sourceActions = sa;
+  }
+
+  public InputEvent getTriggerEvent()
+  {
+    return events.size() > 0 ? (InputEvent) events.get(0) : null;
+  }
+
+  public void resetRecognizer()
+  {
+    throw new Error("not implemented");
+  }
+
+  /**
+   * Register a new DragGestureListener.
+   *
+   * @exception TooManyListenersException If a DragGestureListener has already
+   * been added.
+   */
+  public void addDragGestureListener(DragGestureListener dgl)
+    throws TooManyListenersException
+  {
+    if (dragGestureListener != null)
+      throw new TooManyListenersException();
+    dragGestureListener = dgl;
+  }
+
+  public void removeDragGestureListener(DragGestureListener dgl)
+  {
+    if (dragGestureListener != dgl)
+      throw new IllegalArgumentException();
+    dragGestureListener = null;
+  }
+
+  protected void fireDragGestureRecognized(int dragAction, Point p)
+  {
+    throw new Error("not implemented");
+  }
+
+  protected void appendEvent(InputEvent e)
+  {
+    if (e == null)
+      return;
+    events.add(e);
+  }
+
+  private void readObject(ObjectInputStream s)
+    throws ClassNotFoundException, IOException
+  {
+    s.defaultReadObject();
+    dragGestureListener = (DragGestureListener) s.readObject();
+  }
+
+  private void writeObject(ObjectOutputStream s) throws IOException
+  {
+    s.defaultWriteObject();
+    s.writeObject(dragGestureListener instanceof Serializable
+                  ? dragGestureListener : null);
+  }
+} // class DragGestureRecognizer