diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/MIMEEvent.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/MIMEEvent.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 1997, 2012, 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.org.jvnet.mimepull;
+
+import java.nio.ByteBuffer;
+
+/**
+ * @author Jitendra Kotamraju
+ */
+abstract class MIMEEvent {
+
+    enum EVENT_TYPE {START_MESSAGE, START_PART, HEADERS, CONTENT, END_PART, END_MESSAGE}
+
+    /**
+     * Returns a event for parser's current cursor location in the MIME message.
+     *
+     * <p>
+     * {@link EVENT_TYPE#START_MESSAGE} and {@link EVENT_TYPE#START_MESSAGE} events
+     * are generated only once.
+     *
+     * <p>
+     * {@link EVENT_TYPE#START_PART}, {@link EVENT_TYPE#END_PART}, {@link EVENT_TYPE#HEADERS}
+     * events are generated only once for each attachment part.
+     *
+     * <p>
+     * {@link EVENT_TYPE#CONTENT} event may be generated more than once for an attachment
+     * part.
+     *
+     * @return event type
+     */
+    abstract EVENT_TYPE getEventType();
+
+    static final StartMessage START_MESSAGE = new StartMessage();
+    static final StartPart START_PART = new StartPart();
+    static final EndPart END_PART = new EndPart();
+    static final EndMessage END_MESSAGE = new EndMessage();
+
+    static final class StartMessage extends MIMEEvent {
+        EVENT_TYPE getEventType() {
+            return EVENT_TYPE.START_MESSAGE;
+        }
+    }
+
+    static final class StartPart extends MIMEEvent {
+        EVENT_TYPE getEventType() {
+            return EVENT_TYPE.START_PART;
+        }
+    }
+
+    static final class EndPart extends MIMEEvent {
+        EVENT_TYPE getEventType () {
+            return EVENT_TYPE.END_PART;
+        }
+    }
+
+    static final class Headers extends MIMEEvent {
+        InternetHeaders ih;
+
+        Headers(InternetHeaders ih) {
+            this.ih = ih;
+        }
+
+        EVENT_TYPE getEventType() {
+            return EVENT_TYPE.HEADERS;
+        }
+
+        InternetHeaders getHeaders() {
+            return ih;
+        }
+    }
+
+    static final class Content extends MIMEEvent {
+        private final ByteBuffer buf;
+
+        Content(ByteBuffer buf) {
+            this.buf = buf;
+        }
+
+        EVENT_TYPE getEventType() {
+            return EVENT_TYPE.CONTENT;
+        }
+
+        ByteBuffer getData() {
+            return buf;
+        }
+    }
+
+    static final class EndMessage extends MIMEEvent {
+        EVENT_TYPE getEventType() {
+            return EVENT_TYPE.END_MESSAGE;
+        }
+    }
+
+}