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diff --git a/libjava/classpath/javax/swing/JFormattedTextField.java b/libjava/classpath/javax/swing/JFormattedTextField.java
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+/* JFormattedTextField.java --
+   Copyright (C) 2003, 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.awt.event.FocusEvent;
+import java.io.Serializable;
+import java.text.Format;
+import java.text.ParseException;
+import java.util.Date;
+
+import javax.swing.text.DateFormatter;
+import javax.swing.text.DefaultFormatter;
+import javax.swing.text.Document;
+import javax.swing.text.DocumentFilter;
+import javax.swing.text.NavigationFilter;
+
+/**
+ * @author Michael Koch
+ * @since 1.4
+ */
+public class JFormattedTextField extends JTextField
+{
+  private static final long serialVersionUID = 5464657870110180632L;
+
+  public abstract static class AbstractFormatter implements Serializable
+  {
+    private static final long serialVersionUID = -5193212041738979680L;
+    
+    private JFormattedTextField textField;
+    
+    public AbstractFormatter ()
+    {
+      //Do nothing here.
+    }
+
+    protected Object clone ()
+      throws CloneNotSupportedException
+    {
+      throw new InternalError ("not implemented");
+    }
+
+    protected Action[] getActions ()
+    {
+      return textField.getActions();
+    }
+
+    protected DocumentFilter getDocumentFilter ()
+    {
+      throw new InternalError ("not implemented");
+    }
+
+    protected JFormattedTextField getFormattedTextField ()
+    {
+      return textField;
+    }
+
+    protected NavigationFilter getNavigationFilter ()
+    {
+      return textField.getNavigationFilter();
+    }
+
+    public void install(JFormattedTextField textField)
+    {
+      if (this.textField != null)
+	uninstall();
+      
+      this.textField = textField;
+    }
+
+    public void uninstall ()
+    {
+      this.textField = null;
+    }
+
+    protected void invalidEdit ()
+    {
+      textField.invalidEdit();
+    }
+
+    protected void setEditValid (boolean valid)
+    {
+      textField.editValid = valid;
+    }
+
+    public abstract Object stringToValue (String text)
+      throws ParseException;
+
+    public abstract String valueToString (Object value)
+      throws ParseException;
+  }
+  
+  public abstract static class AbstractFormatterFactory
+  {
+    public AbstractFormatterFactory ()
+    {
+      // Do nothing here.
+    }
+
+    public abstract AbstractFormatter getFormatter (JFormattedTextField tf);
+  }
+
+  static class FormatterFactoryWrapper extends AbstractFormatterFactory
+  {
+    AbstractFormatter formatter;
+
+    public FormatterFactoryWrapper(AbstractFormatter formatter)
+    {
+      this.formatter = formatter;
+    }
+
+    public AbstractFormatter getFormatter(JFormattedTextField tf)
+    {
+      return formatter;
+    }
+  }
+
+  public static final int COMMIT = 0;
+  public static final int COMMIT_OR_REVERT = 1;
+  public static final int REVERT = 2;
+  public static final int PERSIST = 3;
+
+  private Object value;
+  private int focusLostBehavior = COMMIT_OR_REVERT;
+  private AbstractFormatterFactory formatterFactory;
+  // Package-private to avoid an accessor method.
+  boolean editValid = true;
+  
+  public JFormattedTextField ()
+  {
+    this((AbstractFormatterFactory) null, null);
+  }
+
+  public JFormattedTextField (Format format)
+  {
+    throw new InternalError ("not implemented");
+  }
+
+  public JFormattedTextField (AbstractFormatter formatter)
+  {
+    this(new FormatterFactoryWrapper(formatter), null);
+  }
+
+  public JFormattedTextField (AbstractFormatterFactory factory)
+  {
+    this(factory, null);
+  }
+
+  public JFormattedTextField (AbstractFormatterFactory factory, Object value)
+  {
+    this.formatterFactory = factory;
+    this.value = value;
+  }
+
+  public JFormattedTextField (Object value)
+  {
+    this.value = value;
+  }
+
+  public void commitEdit ()
+    throws ParseException
+  {
+    throw new InternalError ("not implemented");
+  }
+
+  public Action[] getActions ()
+  {
+    // FIXME: Add JFormattedTextField specific actions
+    return super.getActions();
+  }
+
+  public int getFocusLostBehavior()
+  {
+    return focusLostBehavior;
+  }
+
+  public AbstractFormatter getFormatter ()
+  {
+    if (formatterFactory == null)
+      return null;
+    
+    return formatterFactory.getFormatter(this);
+  }
+
+  public AbstractFormatterFactory getFormatterFactory ()
+  {
+    return formatterFactory;
+  }
+
+  public String getUIClassID ()
+  {
+    return "FormattedTextFieldUI";
+  }
+
+  public Object getValue ()
+  {
+    return value;
+  }
+
+  protected void invalidEdit ()
+  {
+    UIManager.getLookAndFeel().provideErrorFeedback(this);
+  }
+
+  public boolean isEditValid ()
+  {
+    return editValid;
+  }
+
+  protected void processFocusEvent (FocusEvent evt)
+  {
+    // it's safe to simply call super for now, until it gets clear
+    // what this method is supposed to do
+    // throw new InternalError ("not implemented");
+    super.processFocusEvent(evt);
+  }
+
+  public void setDocument(Document newDocument)
+  {
+    Document oldDocument = getDocument();
+
+    if (oldDocument == newDocument)
+      return;
+    
+    super.setDocument(newDocument);
+  }
+
+  public void setFocusLostBehavior(int behavior)
+  {
+    if (behavior != COMMIT
+	&& behavior != COMMIT_OR_REVERT
+	&& behavior != PERSIST
+	&& behavior != REVERT)
+      throw new IllegalArgumentException("invalid behavior");
+
+    this.focusLostBehavior = behavior;
+  }
+
+  protected void setFormatter (AbstractFormatter formatter)
+  {
+    AbstractFormatter oldFormatter = null;
+    
+    if (formatterFactory != null)
+      oldFormatter = formatterFactory.getFormatter(this);
+
+    if (oldFormatter == formatter)
+      return;
+
+    setFormatterFactory(new FormatterFactoryWrapper(formatter));
+    firePropertyChange("formatter", oldFormatter, formatter);
+  }
+
+  public void setFormatterFactory (AbstractFormatterFactory factory)
+  {
+    if (formatterFactory == factory)
+      return;
+    
+    AbstractFormatterFactory oldFactory = formatterFactory;
+    formatterFactory = factory;
+    firePropertyChange("formatterFactory", oldFactory, factory);
+  }
+
+  public void setValue (Object newValue)
+  {
+    if (value == newValue)
+      return;
+
+    // format value
+    AbstractFormatter formatter = createFormatter(newValue);
+    try
+      {
+        setText(formatter.valueToString(newValue));
+      }
+    catch (ParseException ex)
+      {
+        // TODO: what should we do with this?
+      }
+
+    Object oldValue = value;
+    value = newValue;
+    firePropertyChange("value", oldValue, newValue);
+  }
+
+  /**
+   * A helper method that attempts to create a formatter that is suitable
+   * to format objects of the type like <code>value</code>.
+   *
+   * If <code>formatterFactory</code> is not null and the returned formatter
+   * is also not <code>null</code> then this formatter is used. Otherwise we
+   * try to create one based on the type of <code>value</code>.
+   *
+   * @param value an object which should be formatted by the formatter
+   *
+   * @return a formatter able to format objects of the class of
+   *     <code>value</code>
+   */
+  AbstractFormatter createFormatter(Object value)
+  {
+    AbstractFormatter formatter = null;
+    if (formatterFactory != null
+        && formatterFactory.getFormatter(this) != null)
+     formatter = formatterFactory.getFormatter(this);
+   else
+     {
+       if (value instanceof Date)
+         formatter = new DateFormatter();
+       else
+         formatter = new DefaultFormatter();
+     }
+    return formatter;
+  }
+}