--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/doclets/formats/html/TreeWriter.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,171 @@
+/*
+ * Copyright 1997-2005 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.doclets.formats.html;
+
+import com.sun.tools.doclets.internal.toolkit.util.*;
+import com.sun.javadoc.*;
+import java.io.*;
+/**
+ * Generate Class Hierarchy page for all the Classes in this run.  Use
+ * ClassTree for building the Tree. The name of
+ * the generated file is "overview-tree.html" and it is generated in the
+ * current or the destination directory.
+ *
+ * @author Atul M Dambalkar
+ */
+public class TreeWriter extends AbstractTreeWriter {
+
+    /**
+     * Packages in this run.
+     */
+    private PackageDoc[] packages;
+
+    /**
+     * True if there are no packages specified on the command line,
+     * False otherwise.
+     */
+    private boolean classesonly;
+
+    /**
+     * Constructor to construct TreeWriter object.
+     *
+     * @param configuration the current configuration of the doclet.
+     * @param filename String filename
+     * @param classtree the tree being built.
+     */
+    public TreeWriter(ConfigurationImpl configuration,
+            String filename, ClassTree classtree)
+    throws IOException {
+        super(configuration, filename, classtree);
+        packages = configuration.packages;
+    classesonly = packages.length == 0;
+    }
+
+    /**
+     * Create a TreeWriter object and use it to generate the
+     * "overview-tree.html" file.
+     *
+     * @param classtree the class tree being documented.
+     * @throws  DocletAbortException
+     */
+    public static void generate(ConfigurationImpl configuration,
+                                ClassTree classtree) {
+        TreeWriter treegen;
+        String filename = "overview-tree.html";
+        try {
+            treegen = new TreeWriter(configuration, filename, classtree);
+            treegen.generateTreeFile();
+            treegen.close();
+        } catch (IOException exc) {
+            configuration.standardmessage.error(
+                        "doclet.exception_encountered",
+                        exc.toString(), filename);
+            throw new DocletAbortException();
+        }
+    }
+
+    /**
+     * Print the interface hierarchy and class hierarchy in the file.
+     */
+    public void generateTreeFile() throws IOException {
+        printHtmlHeader(configuration.getText("doclet.Window_Class_Hierarchy"),
+            null, true);
+
+        printTreeHeader();
+
+        printPageHeading();
+
+        printPackageTreeLinks();
+
+        generateTree(classtree.baseclasses(), "doclet.Class_Hierarchy");
+        generateTree(classtree.baseinterfaces(), "doclet.Interface_Hierarchy");
+        generateTree(classtree.baseAnnotationTypes(), "doclet.Annotation_Type_Hierarchy");
+        generateTree(classtree.baseEnums(), "doclet.Enum_Hierarchy");
+
+        printTreeFooter();
+    }
+
+    /**
+     * Generate the links to all the package tree files.
+     */
+    protected void printPackageTreeLinks() {
+        //Do nothing if only unnamed package is used
+        if (packages.length == 1 && packages[0].name().length() == 0) {
+            return;
+        }
+        if (!classesonly) {
+            dl();
+            dt();
+            boldText("doclet.Package_Hierarchies");
+            dd();
+            for (int i = 0; i < packages.length; i++) {
+                if (packages[i].name().length() == 0) {
+                    continue;
+                }
+                String filename = pathString(packages[i], "package-tree.html");
+                printHyperLink(filename, "", packages[i].name());
+                if (i < packages.length - 1) {
+                    print(", ");
+                }
+            }
+            dlEnd();
+            hr();
+        }
+    }
+
+    /**
+     * Print the top text (from the -top option) and
+     * navigation bar at the top of page.
+     */
+    protected void printTreeHeader() {
+        printTop();
+        navLinks(true);
+        hr();
+    }
+
+    /**
+     * Print the navigation bar and bottom text (from the -bottom option)
+     * at the bottom of page.
+     */
+    protected void printTreeFooter() {
+        hr();
+        navLinks(false);
+        printBottom();
+        printBodyHtmlEnd();
+    }
+
+    /**
+     * Print the page title "Hierarchy For All Packages" at the top of the tree
+     * page.
+     */
+    protected void printPageHeading() {
+        center();
+        h2();
+        printText("doclet.Hierarchy_For_All_Packages");
+        h2End();
+        centerEnd();
+    }
+}