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diff --git a/libjava/classpath/javax/sound/midi/SysexMessage.java b/libjava/classpath/javax/sound/midi/SysexMessage.java
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+/* SysexMessage.java -- System Exclusive MIDI message.
+   Copyright (C) 2005 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.sound.midi;
+
+/**
+ * A system exclusive MIDI message.
+ * 
+ * @author Anthony Green (green@redhat.com)
+ * @since 1.3
+ *
+ */
+public class SysexMessage extends MidiMessage
+{
+  public static final int SYSTEM_EXCLUSIVE = 0xF0;
+  
+  public static final int SPECIAL_SYSTEM_EXCLUSIVE = 0xF7;
+  
+  /**
+   * Create a default valid system exclusive message.
+   * 
+   * The official specs don't specify what message is to be
+   * created.  Our implementation creates an empty 
+   * system exclusive message.
+   */
+  public SysexMessage()
+  {
+    super(new byte[2]);
+    data[0] = (byte) SYSTEM_EXCLUSIVE;
+    data[1] = (byte) ShortMessage.END_OF_EXCLUSIVE;
+  }
+  
+  /**
+   * Create a SysexMessage object.
+   * @param data a complete system exclusive message
+   */
+  public SysexMessage(byte[] data)
+  {
+    super(data);   
+  }
+  
+  /**
+   * Set the sysex message.  The first data byte (status) must be
+   * 0xF0 or 0xF7.
+   *  
+   * @param data the message data
+   * @param length the length of the message data
+   * @throws InvalidMidiDataException if the status byte is not 0xF0 or 0xF7
+   */
+  public void setMessage(byte[] data, int length)
+    throws InvalidMidiDataException
+  {
+    if (data[0] != SYSTEM_EXCLUSIVE
+        || data[0] != SPECIAL_SYSTEM_EXCLUSIVE)
+      throw new InvalidMidiDataException("Sysex message starts with 0x"
+                                         + Integer.toHexString(data[0])
+                                         + " instead of 0xF0 or 0xF7");
+    super.setMessage(data, length);
+  }
+
+  /**
+   * Set the sysex message.  status must be either 0xF0 or 0xF7.
+   *  
+   * @param status the sysex statys byte (0xF0 or 0xF7)
+   * @param data the message data
+   * @param length the length of the message data
+   * @throws InvalidMidiDataException if status is not 0xF0 or 0xF7
+   */
+  public void setMessage(int status, byte[] data, int length)
+    throws InvalidMidiDataException
+  {
+    if (status != SYSTEM_EXCLUSIVE
+        || status != SPECIAL_SYSTEM_EXCLUSIVE)
+      throw new InvalidMidiDataException("Sysex message starts with 0x"
+                                         + Integer.toHexString(status)
+                                         + " instead of 0xF0 or 0xF7");
+    this.data = new byte[length+1];
+    this.data[0] = (byte) status;
+    System.arraycopy(data, 0, this.data, 1, length);
+    this.length = length+1;
+  }
+  
+  /**
+   * Get the data for this message, not including the status byte.
+   * @return the message data, not including the status byte
+   */
+  public byte[] getData()
+  {
+    byte[] result = new byte[length - 1];
+    System.arraycopy(data, 1, result, 0, length - 1);
+    return result;
+  }
+  
+  /* Create a deep-copy clone of this object.
+   * @see java.lang.Object#clone()
+   */
+  public Object clone()
+  {
+    byte message[] = new byte[length];
+    System.arraycopy(data, 0, message, 0, length);
+    return new SysexMessage(message); 
+  }
+}
+