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diff --git a/libjava/classpath/javax/swing/InputMap.java b/libjava/classpath/javax/swing/InputMap.java
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+++ b/libjava/classpath/javax/swing/InputMap.java
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+/* InputMap.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.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+
+/**
+ * @author Andrew Selkirk
+ * @author Michael Koch
+ *
+ * @since 1.3
+ */
+public class InputMap
+  implements Serializable
+{
+  private static final long serialVersionUID = -5429059542008604257L;
+
+  /**
+   * inputMap
+   */
+  private Map inputMap = new HashMap();
+
+  /**
+   * parent
+   */
+  private InputMap parent;
+
+  /**
+   * Creates a new <code>InputMap</code> instance.
+   */
+  public InputMap()
+  {
+    // TODO
+  }
+
+  /**
+   * Returns the binding for keystroke.
+   *
+   * @param key the key of the enty
+   *
+   * @return the binding associated with keystroke may be null
+   */
+  public Object get(KeyStroke keystroke)
+  {
+    Object result = inputMap.get(keystroke);
+
+    if (result == null && parent != null)
+      result = parent.get(keystroke);
+    return result;
+  }
+
+  /**
+   * Puts a new entry into the <code>InputMap</code>.
+   * If actionMapKey is null an existing entry will be removed.
+   *
+   * @param keystroke the keystroke for the entry
+   * @param actionMapKey the action.
+   */
+  public void put(KeyStroke keystroke, Object actionMapKey)
+  {
+    if (actionMapKey == null)
+      inputMap.remove(keystroke);
+    else
+      inputMap.put(keystroke, actionMapKey);
+  }
+
+  /**
+   * Remove an entry from the <code>InputMap</code>.
+   *
+   * @param key the key of the entry to remove
+   */
+  public void remove(KeyStroke keystroke)
+  {
+    inputMap.remove(keystroke);
+  }
+
+  /**
+   * Returns the parent of this <code>InputMap</code>.
+   *
+   * @return the parent, may be null.
+   */
+  public InputMap getParent()
+  {
+    return parent;
+  }
+
+  /**
+   * Sets a parent for this <code>InputMap</code>.
+   *
+   * @param parentMap the new parent
+   */
+  public void setParent(InputMap parentMap)
+  {
+    parent = parentMap;
+  }
+
+  /**
+   * Returns the number of entries in this <code>InputMap</code>.
+   *
+   * @return the number of entries
+   */
+  public int size()
+  {
+    return inputMap.size();
+  }
+
+  /**
+   * Clears the <code>InputMap</code>.
+   */
+  public void clear()
+  {
+    inputMap.clear();
+  }
+
+  /**
+   * Returns all keys of entries in this <code>InputMap</code>.
+   *
+   * @return an array of keys
+   */
+  public KeyStroke[] keys()
+  {
+    KeyStroke[] array = new KeyStroke[size()];
+    return (KeyStroke[]) inputMap.keySet().toArray(array);
+  }
+
+  /**
+   * Returns all keys of entries in this <code>InputMap</code>
+   * and all its parents.
+   *
+   * @return an array of keys
+   */
+  public KeyStroke[] allKeys()
+  {
+    Set set = new HashSet();
+
+    if (parent != null)
+      set.addAll(Arrays.asList(parent.allKeys()));
+
+    set.addAll(inputMap.keySet());
+    KeyStroke[] array = new KeyStroke[size()];
+    return (KeyStroke[]) set.toArray(array);
+  }
+
+  /**
+   * writeObject
+   *
+   * @param stream the stream to write to
+   *
+   * @exception IOException If an error occurs
+   */
+  private void writeObject(ObjectOutputStream stream) throws IOException
+  {
+    // TODO
+  }
+
+  /**
+   * readObject
+   *
+   * @param stream the stream to read from
+   *
+   * @exception ClassNotFoundException If the serialized class cannot be found
+   * @exception IOException If an error occurs
+   */
+  private void readObject(ObjectInputStream stream)
+    throws ClassNotFoundException, IOException
+  {
+    // TODO
+  }
+}