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diff --git a/libjava/classpath/java/io/OptionalDataException.java b/libjava/classpath/java/io/OptionalDataException.java
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+/* OptionalDataException.java -- indicates unexpected data in serialized stream
+   Copyright (C) 1998, 2000, 2001, 2002, 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 java.io;
+
+/**
+ * This exception is thrown when unexpected data appears in the input
+ * stream from which a serialized object is being read. There are two
+ * cases:<br><ul>
+ * <li>The next stream element is primitive data. <code>eof</code> will
+ *     be false, and <code>count</code> is the number of bytes of primitive
+ *     data available.</li>
+ * <li>The data consumable by readObject or readExternal has been exhausted.
+ *     <code>eof</code> is true, and <code>count</code> is 0.</li>
+ * </ul>
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @author Warren Levy (warrenl@cygnus.com)
+ * @since 1.1
+ * @status updated to 1.4
+ */
+public class OptionalDataException extends ObjectStreamException
+{
+  /**
+   * Compatible with JDK 1.1+.
+   */
+  private static final long serialVersionUID = -8011121865681257820L;
+
+  /**
+   * Whether or not the end of the stream has been reached.
+   *
+   * @serial the end of the buffer was reached
+   */
+  public boolean eof;
+
+  /**
+   * The number of valid bytes that can be read.
+   *
+   * @serial the bytes of the buffer remaining
+   */
+  public int length;
+
+  /**
+   * Create a new OptionalDataException with an eof parameter indicating
+   * whether or not the end of stream is reached and the number of valid
+   * bytes that may be read.
+   *
+   * @param eof 'true' if end of stream reached, 'false' otherwise
+   * @param count The number of valid bytes to be read
+   */
+  OptionalDataException(boolean eof, int count)
+  {
+    this.eof = eof;
+    this.length = count;
+  }
+} // class OptionalDataException