diff -r 8c0b6bccfe47 -r 0989ad8c0860 src/share/jaxws_classes/com/sun/xml/internal/ws/api/message/MessageWritable.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/api/message/MessageWritable.java	Tue Apr 09 14:51:13 2013 +0100
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2012, 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 com.sun.xml.internal.ws.api.message;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.xml.ws.soap.MTOMFeature;
+
+import com.oracle.webservices.internal.api.message.ContentType;
+
+/**
+ * A Message implementation may implement this interface as an alternative way to write the
+ * message into the OutputStream.
+ *
+ * @author shih-chang.chen@oracle.com
+ */
+public interface MessageWritable {
+
+    /**
+     * Gets the Content-type of this message.
+     *
+     * @return The MIME content type of this message
+     */
+    ContentType getContentType();
+
+    /**
+     * Writes the XML infoset portion of this MessageContext
+     * (from <soap:Envelope> to </soap:Envelope>).
+     *
+     * @param out
+     *      Must not be null. The caller is responsible for closing the stream,
+     *      not the callee.
+     *
+     * @return
+     *      The MIME content type of this message (such as "application/xml").
+     *      This information is often ncessary by transport.
+     *
+     * @throws IOException
+     *      if a {@link OutputStream} throws {@link IOException}.
+     */
+    ContentType writeTo( OutputStream out ) throws IOException;
+
+    /**
+     * Passes configuration information to this message to ensure the proper
+     * wire format is created. (from <soap:Envelope> to </soap:Envelope>).
+     *
+     * @param mtomFeature
+     *            The standard <code>WebServicesFeature</code> for specifying
+     *            the MTOM enablement and possibly threshold for the endpoint.
+     *            This value may be <code>null</code>.
+     */
+    void setMTOMConfiguration(final MTOMFeature mtomFeature);
+}