--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/java.xml.bind/share/classes/javax/xml/bind/JAXBIntrospector.java	Sun Aug 17 15:52:15 2014 +0100
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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.
+ */
+
+package javax.xml.bind;
+import  javax.xml.namespace.QName;
+
+/**
+ * Provide access to JAXB xml binding data for a JAXB object.
+ *
+ * <p>
+ * Intially, the intent of this class is to just conceptualize how
+ * a JAXB application developer can access xml binding information,
+ * independent if binding model is java to schema or schema to java.
+ * Since accessing the XML element name related to a JAXB element is
+ * a highly requested feature, demonstrate access to this
+ * binding information.
+ *
+ * The factory method to get a <code>JAXBIntrospector</code> instance is
+ * {@link JAXBContext#createJAXBIntrospector()}.
+ *
+ * @see JAXBContext#createJAXBIntrospector()
+ * @since 1.6, JAXB 2.0
+ */
+public abstract class JAXBIntrospector {
+
+    /**
+     * <p>Return true if <code>object</code> represents a JAXB element.</p>
+     * <p>Parameter <code>object</code> is a JAXB element for following cases:
+     * <ol>
+     *   <li>It is an instance of <code>javax.xml.bind.JAXBElement</code>.</li>
+     *   <li>The class of <code>object</code> is annotated with
+     *       <code>&#64XmlRootElement</code>.
+     *   </li>
+     * </ol>
+     *
+     * @see #getElementName(Object)
+     */
+    public abstract boolean isElement(Object object);
+
+    /**
+     * <p>Get xml element qname for <code>jaxbElement</code>.</p>
+     *
+     * @param jaxbElement is an object that {@link #isElement(Object)} returned true.
+     *
+     * @return xml element qname associated with jaxbElement;
+     *         null if <code>jaxbElement</code> is not a JAXB Element.
+     */
+    public abstract QName getElementName(Object jaxbElement);
+
+    /**
+     * <p>Get the element value of a JAXB element.</p>
+     *
+     * <p>Convenience method to abstract whether working with either
+     *    a javax.xml.bind.JAXBElement instance or an instance of
+     *    <tt>&#64XmlRootElement</tt> annotated Java class.</p>
+     *
+     * @param jaxbElement  object that #isElement(Object) returns true.
+     *
+     * @return The element value of the <code>jaxbElement</code>.
+     */
+    public static Object getValue(Object jaxbElement) {
+        if (jaxbElement instanceof JAXBElement) {
+            return ((JAXBElement)jaxbElement).getValue();
+        } else {
+            // assume that class of this instance is
+            // annotated with @XmlRootElement.
+            return jaxbElement;
+        }
+    }
+}