--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/share/classes/org/w3c/dom/UserDataHandler.java	Sun Mar 04 11:55:34 2012 -0800
@@ -0,0 +1,101 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * This file is available under and governed by the GNU General Public
+ * License version 2 only, as published by the Free Software Foundation.
+ * However, the following notice accompanied the original version of this
+ * file and, per its terms, should not be removed:
+ *
+ * Copyright (c) 2004 World Wide Web Consortium,
+ *
+ * (Massachusetts Institute of Technology, European Research Consortium for
+ * Informatics and Mathematics, Keio University). All Rights Reserved. This
+ * work is distributed under the W3C(r) Software License [1] 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.
+ *
+ * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
+ */
+
+package org.w3c.dom;
+
+/**
+ * When associating an object to a key on a node using
+ * <code>Node.setUserData()</code> the application can provide a handler
+ * that gets called when the node the object is associated to is being
+ * cloned, imported, or renamed. This can be used by the application to
+ * implement various behaviors regarding the data it associates to the DOM
+ * nodes. This interface defines that handler.
+ * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.
+ * @since DOM Level 3
+ */
+public interface UserDataHandler {
+    // OperationType
+    /**
+     * The node is cloned, using <code>Node.cloneNode()</code>.
+     */
+    public static final short NODE_CLONED               = 1;
+    /**
+     * The node is imported, using <code>Document.importNode()</code>.
+     */
+    public static final short NODE_IMPORTED             = 2;
+    /**
+     * The node is deleted.
+     * <p ><b>Note:</b> This may not be supported or may not be reliable in
+     * certain environments, such as Java, where the implementation has no
+     * real control over when objects are actually deleted.
+     */
+    public static final short NODE_DELETED              = 3;
+    /**
+     * The node is renamed, using <code>Document.renameNode()</code>.
+     */
+    public static final short NODE_RENAMED              = 4;
+    /**
+     * The node is adopted, using <code>Document.adoptNode()</code>.
+     */
+    public static final short NODE_ADOPTED              = 5;
+
+    /**
+     * This method is called whenever the node for which this handler is
+     * registered is imported or cloned.
+     * <br> DOM applications must not raise exceptions in a
+     * <code>UserDataHandler</code>. The effect of throwing exceptions from
+     * the handler is DOM implementation dependent.
+     * @param operation Specifies the type of operation that is being
+     *   performed on the node.
+     * @param key Specifies the key for which this handler is being called.
+     * @param data Specifies the data for which this handler is being called.
+     * @param src Specifies the node being cloned, adopted, imported, or
+     *   renamed. This is <code>null</code> when the node is being deleted.
+     * @param dst Specifies the node newly created if any, or
+     *   <code>null</code>.
+     */
+    public void handle(short operation,
+                       String key,
+                       Object data,
+                       Node src,
+                       Node dst);
+
+}