diff -r 000000000000 -r 959103a6100f src/share/classes/com/sun/tools/doclets/internal/toolkit/builders/AbstractMemberBuilder.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/doclets/internal/toolkit/builders/AbstractMemberBuilder.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2003, 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.internal.toolkit.builders;
+
+import java.util.Set;
+
+import com.sun.tools.doclets.internal.toolkit.*;
+import com.sun.tools.doclets.internal.toolkit.util.*;
+
+/**
+ * The superclass for all member builders.  Member builders are only executed
+ * within Class Builders.  They essentially build sub-components.  For example,
+ * method documentation is a sub-component of class documentation.
+ *
+ *  <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 Jamie Ho
+ * @since 1.5
+ */
+public abstract class AbstractMemberBuilder extends AbstractBuilder {
+
+    /**
+     * Construct a SubBuilder.
+     * @param configuration the configuration used in this run
+     *        of the doclet.
+     */
+    public AbstractMemberBuilder(Context context) {
+        super(context);
+    }
+
+    /**
+     * This method is not supported by sub-builders.
+     *
+     * @throws DocletAbortException this method will always throw a
+     * DocletAbortException because it is not supported.
+     */
+    public void build() throws DocletAbortException {
+        //You may not call the build method in a subbuilder.
+        throw new DocletAbortException("not supported");
+    }
+
+
+    /**
+     * Build the sub component if there is anything to document.
+     *
+     * @param node the XML element that specifies which components to document.
+     * @param contentTree content tree to which the documentation will be added
+     */
+    @Override
+    public void build(XMLNode node, Content contentTree) {
+        if (hasMembersToDocument()) {
+            super.build(node, contentTree);
+        }
+    }
+
+    /**
+     * Return true if this subbuilder has anything to document.
+     *
+     * @return true if this subbuilder has anything to document.
+     */
+    public abstract boolean hasMembersToDocument();
+}