diff -r 000000000000 -r 959103a6100f src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlDocument.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlDocument.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2010, 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.tools.doclets.formats.html.markup;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.*;
+
+import com.sun.tools.doclets.internal.toolkit.Content;
+import com.sun.tools.doclets.internal.toolkit.util.*;
+
+/**
+ * Class for generating an HTML document for javadoc output.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ *
+ * @author Bhavesh Patel
+ */
+public class HtmlDocument extends Content {
+
+    private List<Content> docContent = Collections.<Content>emptyList();
+
+    /**
+     * Constructor to construct an HTML document.
+     *
+     * @param docType document type for the HTML document
+     * @param docComment comment for the document
+     * @param htmlTree HTML tree of the document
+     */
+    public HtmlDocument(Content docType, Content docComment, Content htmlTree) {
+        docContent = new ArrayList<Content>();
+        addContent(nullCheck(docType));
+        addContent(nullCheck(docComment));
+        addContent(nullCheck(htmlTree));
+    }
+
+    /**
+     * Constructor to construct an HTML document.
+     *
+     * @param docType document type for the HTML document
+     * @param htmlTree HTML tree of the document
+     */
+    public HtmlDocument(Content docType, Content htmlTree) {
+        docContent = new ArrayList<Content>();
+        addContent(nullCheck(docType));
+        addContent(nullCheck(htmlTree));
+    }
+
+    /**
+     * Adds content for the HTML document.
+     *
+     * @param htmlContent html content to be added
+     */
+    public final void addContent(Content htmlContent) {
+        if (htmlContent.isValid())
+            docContent.add(htmlContent);
+    }
+
+    /**
+     * This method is not supported by the class.
+     *
+     * @param stringContent string content that needs to be added
+     * @throws DocletAbortException this method will always throw a
+     *                              DocletAbortException because it
+     *                              is not supported.
+     */
+    public void addContent(String stringContent) {
+        throw new DocletAbortException("not supported");
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean isEmpty() {
+        return (docContent.isEmpty());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public boolean write(Writer out,  boolean atNewline) throws IOException {
+        for (Content c : docContent)
+            atNewline = c.write(out, atNewline);
+        return atNewline;
+    }
+}