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diff --git a/libjava/classpath/javax/imageio/plugins/jpeg/JPEGImageReadParam.java b/libjava/classpath/javax/imageio/plugins/jpeg/JPEGImageReadParam.java
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+/* JPEGImageReadParam.java --
+ Copyright (C)  2006  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.imageio.plugins.jpeg;
+
+import javax.imageio.ImageReadParam;
+
+/**
+ * The JPEGImageReadParam class is only used to set JPEG decoding
+ * tables for streams that do not provide their own tables.  If a
+ * stream does not provide tables and a custom JPEGImageReadParam is
+ * not provided, then the standard JPEG tables are used from the
+ * JPEGQTable and JPEGHuffmanTable classes.  If a stream does provide
+ * decoding tables then JPEGImageReadParam will be ignored.
+ * JPEGImageReadParam cannot be used to retrieve the tables from a
+ * stream.  Instead, use IIOMetadata for this purpose.
+ *
+ * A JPEGImageReadParam instance is retrieved from the built-in JPEG
+ * ImageReader using the getDefaultImageReadParam method.
+ */
+public class JPEGImageReadParam
+  extends ImageReadParam
+{
+  private JPEGQTable[] qTables;
+  private JPEGHuffmanTable[] DCHuffmanTables;
+  private JPEGHuffmanTable[] ACHuffmanTables;
+
+  /**
+   * Construct a JPEGImageReadParam.
+   */
+  public JPEGImageReadParam()
+  {
+    super();
+  }
+
+  /**
+   * Check if the decoding tables are set.
+   *
+   * @return true if the decoding tables are set, false otherwise
+   */
+  public boolean areTablesSet()
+  {
+    // If qTables is not null then all tables are set.
+    return (qTables != null);
+  }
+
+  /**
+   * Set the quantization and Huffman tables that will be used to
+   * decode the stream.  Copies are created of the array arguments.
+   * The number of Huffman tables must be the same in both Huffman
+   * table arrays.  No argument may be null and no array may be longer
+   * than four elements.
+   *
+   * @param qTables JPEG quantization tables
+   * @param DCHuffmanTables JPEG DC Huffman tables
+   * @param ACHuffmanTables JPEG AC Huffman tables
+   *
+   * @throws IllegalArgumentException if any argument is null, if any
+   * of the arrays are longer than four elements, or if the Huffman
+   * table arrays do not have the same number of elements
+   */
+  public void setDecodeTables(JPEGQTable[] qTables,
+                              JPEGHuffmanTable[] DCHuffmanTables,
+                              JPEGHuffmanTable[] ACHuffmanTables)
+  {
+    if (qTables == null || DCHuffmanTables == null || ACHuffmanTables == null)
+      throw new IllegalArgumentException("null argument");
+
+    if (qTables.length > 4 || DCHuffmanTables.length > 4
+        || ACHuffmanTables.length > 4)
+      throw new IllegalArgumentException("argument has too many elements");
+
+    if (DCHuffmanTables.length != ACHuffmanTables.length)
+      throw new IllegalArgumentException("Huffman table arrays differ in length");
+
+    // Do a shallow copy.  JPEGQTable's data is not directly
+    // modifyable since JPEGQTable.getTable returns a copy.  Therefore
+    // it is safe to have multiple references to a single JPEGQTable.
+    // Likewise for JPEGHuffmanTable.
+    this.qTables = (JPEGQTable[]) qTables.clone();
+    this.DCHuffmanTables = (JPEGHuffmanTable[]) DCHuffmanTables.clone();
+    this.ACHuffmanTables = (JPEGHuffmanTable[]) ACHuffmanTables.clone();
+  }
+
+  /**
+   * Clear the quantization and Huffman decoding tables.
+   */
+  public void unsetDecodeTables()
+  {
+    qTables = null;
+    DCHuffmanTables = null;
+    ACHuffmanTables = null;
+  }
+
+  /**
+   * Retrieve the quantization tables.
+   *
+   * @returns an array of JPEG quantization tables
+   */
+  public JPEGQTable[] getQTables()
+  {
+    return qTables == null ? qTables : (JPEGQTable[]) qTables.clone();
+  }
+
+  /**
+   * Retrieve the DC Huffman tables.
+   *
+   * @return an array of JPEG DC Huffman tables
+   */
+  public JPEGHuffmanTable[] getDCHuffmanTables()
+  {
+    return DCHuffmanTables == null ? DCHuffmanTables
+      : (JPEGHuffmanTable[]) DCHuffmanTables.clone();
+  }
+
+  /**
+   * Retrieve the AC Huffman tables.
+   *
+   * @return an array of JPEG AC Huffman tables
+   */
+  public JPEGHuffmanTable[] getACHuffmanTables()
+  {
+    return ACHuffmanTables == null ? ACHuffmanTables
+      : (JPEGHuffmanTable[]) ACHuffmanTables.clone();
+  }
+}