--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/PackageIndexFrameWriter.java	Sat Nov 28 18:52:17 2015 -0800
@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 1998, 2016, 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 jdk.javadoc.internal.doclets.formats.html;
+
+import java.io.IOException;
+import java.util.Collection;
+
+import javax.lang.model.element.PackageElement;
+
+import jdk.javadoc.internal.doclets.formats.html.markup.HtmlConstants;
+import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;
+import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTag;
+import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;
+import jdk.javadoc.internal.doclets.formats.html.markup.RawHtml;
+import jdk.javadoc.internal.doclets.formats.html.markup.StringContent;
+import jdk.javadoc.internal.doclets.toolkit.Content;
+import jdk.javadoc.internal.doclets.toolkit.util.DocPath;
+import jdk.javadoc.internal.doclets.toolkit.util.DocPaths;
+import jdk.javadoc.internal.doclets.toolkit.util.DocletAbortException;
+
+
+/**
+ * Generate the package index for the left-hand frame in the generated output.
+ * A click on the package name in this frame will update the page in the bottom
+ * left hand frame with the listing of contents of the clicked package.
+ *
+ *  <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 Atul M Dambalkar
+ */
+public class PackageIndexFrameWriter extends AbstractPackageIndexWriter {
+
+    /**
+     * Construct the PackageIndexFrameWriter object.
+     *
+     * @param filename Name of the package index file to be generated.
+     */
+    public PackageIndexFrameWriter(ConfigurationImpl configuration,
+                                   DocPath filename) throws IOException {
+        super(configuration, filename);
+    }
+
+    /**
+     * Generate the package index file named "overview-frame.html".
+     * @throws DocletAbortException
+     */
+    public static void generate(ConfigurationImpl configuration) {
+        PackageIndexFrameWriter packgen;
+        DocPath filename = DocPaths.OVERVIEW_FRAME;
+        try {
+            packgen = new PackageIndexFrameWriter(configuration, filename);
+            packgen.buildPackageIndexFile("doclet.Window_Overview", false);
+            packgen.close();
+        } catch (IOException exc) {
+            configuration.standardmessage.error(
+                        "doclet.exception_encountered",
+                        exc.toString(), filename);
+            throw new DocletAbortException(exc);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected void addPackagesList(Collection<PackageElement> packages, String text,
+            String tableSummary, Content body) {
+        Content heading = HtmlTree.HEADING(HtmlConstants.PACKAGE_HEADING, true,
+                packagesLabel);
+        HtmlTree htmlTree = (configuration.allowTag(HtmlTag.MAIN))
+                ? HtmlTree.MAIN(HtmlStyle.indexContainer, heading)
+                : HtmlTree.DIV(HtmlStyle.indexContainer, heading);
+        HtmlTree ul = new HtmlTree(HtmlTag.UL);
+        ul.setTitle(packagesLabel);
+        for (PackageElement aPackage : packages) {
+            // Do not list the package if -nodeprecated option is set and the
+            // package is marked as deprecated.
+            if (aPackage != null &&
+                (!(configuration.nodeprecated && utils.isDeprecated(aPackage)))) {
+                ul.addContent(getPackage(aPackage));
+            }
+        }
+        htmlTree.addContent(ul);
+        body.addContent(htmlTree);
+    }
+
+    /**
+     * Returns each package name as a separate link.
+     *
+     * @param pe PackageElement
+     * @return content for the package link
+     */
+    protected Content getPackage(PackageElement pe) {
+        Content packageLinkContent;
+        Content packageLabel;
+        if (pe.isUnnamed()) {
+            packageLabel = new StringContent("<unnamed package>");
+            packageLinkContent = getHyperLink(DocPaths.PACKAGE_FRAME,
+                    packageLabel, "", "packageFrame");
+        } else {
+            packageLabel = getPackageLabel(pe.getQualifiedName().toString());
+            packageLinkContent = getHyperLink(pathString(pe,
+                     DocPaths.PACKAGE_FRAME), packageLabel, "",
+                    "packageFrame");
+        }
+        Content li = HtmlTree.LI(packageLinkContent);
+        return li;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected void addNavigationBarHeader(Content body) {
+        Content headerContent;
+        if (configuration.packagesheader.length() > 0) {
+            headerContent = new RawHtml(replaceDocRootDir(configuration.packagesheader));
+        } else {
+            headerContent = new RawHtml(replaceDocRootDir(configuration.header));
+        }
+        Content heading = HtmlTree.HEADING(HtmlConstants.TITLE_HEADING, true,
+                HtmlStyle.bar, headerContent);
+        body.addContent(heading);
+    }
+
+    /**
+     * Do nothing as there is no overview information in this page.
+     */
+    protected void addOverviewHeader(Content body) {
+    }
+
+    /**
+     * Adds "All Classes" link for the top of the left-hand frame page to the
+     * documentation tree.
+     *
+     * @param ul the Content object to which the "All Classes" link should be added
+     */
+    protected void addAllClassesLink(Content ul) {
+        Content linkContent = getHyperLink(DocPaths.ALLCLASSES_FRAME,
+                allclassesLabel, "", "packageFrame");
+        Content li = HtmlTree.LI(linkContent);
+        ul.addContent(li);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected void addNavigationBarFooter(Content body) {
+        Content p = HtmlTree.P(getSpace());
+        body.addContent(p);
+    }
+}