src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/IndexBuilder.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
+ * 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

@@ -21,17 +21,21 @@
  * 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.util;
+package jdk.javadoc.internal.doclets.toolkit.util;
 
 import java.util.*;
 
-import com.sun.javadoc.*;
-import com.sun.tools.doclets.internal.toolkit.*;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.PackageElement;
+import javax.lang.model.element.TypeElement;
 
+import jdk.javadoc.doclet.DocletEnvironment;
+import jdk.javadoc.internal.doclets.toolkit.Configuration;
+
 /**
  * Build the mapping of each Unicode character with it's member lists
  * containing members names starting with it. Also build a list for all the
  * Unicode characters which start a member name. Member name is
  * classkind or field or method or constructor name.

@@ -49,11 +53,11 @@
 
     /**
      * Mapping of each Unicode Character with the member list containing
      * members with names starting with it.
      */
-    private Map<Character,List<Doc>> indexmap = new HashMap<>();
+    private final Map<Character, SortedSet<Element>> indexmap;
 
     /**
      * Don't generate deprecated information if true.
      */
     private boolean noDeprecated;

@@ -66,14 +70,13 @@
     /**
      * Indicates javafx mode.
      */
     private boolean javafx;
 
-    // make ProgramElementDoc[] when new toArray is available
-    protected final Object[] elements;
-
     private final Configuration configuration;
+    private final Utils utils;
+
     /**
      * Constructor. Build the index map.
      *
      * @param configuration the current configuration of the doclet.
      * @param noDeprecated  true if -nodeprecated option is used,

@@ -92,79 +95,68 @@
      * @param classesOnly   Include only classes in index.
      */
     public IndexBuilder(Configuration configuration, boolean noDeprecated,
                         boolean classesOnly) {
         this.configuration  = configuration;
+        this.utils = configuration.utils;
         if (classesOnly) {
             configuration.message.notice("doclet.Building_Index_For_All_Classes");
         } else {
             configuration.message.notice("doclet.Building_Index");
         }
         this.noDeprecated = noDeprecated;
         this.classesOnly = classesOnly;
         this.javafx = configuration.javafx;
+        this.indexmap = new TreeMap<>();
         buildIndexMap(configuration.root);
-        Set<Character> set = indexmap.keySet();
-        elements =  set.toArray();
-        Arrays.sort(elements);
     }
 
     /**
-     * Sort the index map. Traverse the index map for all it's elements and
-     * sort each element which is a list.
-     */
-    protected void sortIndexMap() {
-        for (List<Doc> docs : indexmap.values()) {
-            Collections.sort(docs, configuration.utils.makeComparatorForIndexUse());
-        }
-    }
-
-    /**
      * Get all the members in all the Packages and all the Classes
      * given on the command line. Form separate list of those members depending
      * upon their names.
      *
      * @param root Root of the documemt.
      */
-    protected void buildIndexMap(RootDoc root)  {
-        PackageDoc[] packages = root.specifiedPackages();
-        ClassDoc[] classes = root.classes();
+    protected void buildIndexMap(DocletEnvironment root)  {
+        Set<PackageElement> packages = utils.getSpecifiedPackages();
+        Set<TypeElement> classes = root.getIncludedClasses();
         if (!classesOnly) {
-            if (packages.length == 0) {
-                Set<PackageDoc> set = new HashSet<>();
-                for (ClassDoc aClass : classes) {
-                    PackageDoc pd = aClass.containingPackage();
-                    if (pd != null && pd.name().length() > 0) {
-                        set.add(pd);
+            if (packages.isEmpty()) {
+                Set<PackageElement> set = new HashSet<>();
+                for (TypeElement aClass : classes) {
+                    PackageElement pkg = utils.containingPackage(aClass);
+                    if (pkg != null && !pkg.isUnnamed()) {
+                        set.add(pkg);
                     }
                 }
-                adjustIndexMap(set.toArray(packages));
+                adjustIndexMap(set);
             } else {
                 adjustIndexMap(packages);
             }
         }
         adjustIndexMap(classes);
         if (!classesOnly) {
-            for (ClassDoc aClass : classes) {
+            for (TypeElement aClass : classes) {
                 if (shouldAddToIndexMap(aClass)) {
                     putMembersInIndexMap(aClass);
                 }
             }
         }
-        sortIndexMap();
     }
 
     /**
-     * Put all the members(fields, methods and constructors) in the classdoc
+     * Put all the members(fields, methods and constructors) in the te
      * to the indexmap.
      *
-     * @param classdoc ClassDoc whose members will be added to the indexmap.
+     * @param te TypeElement whose members will be added to the indexmap.
      */
-    protected void putMembersInIndexMap(ClassDoc classdoc) {
-        adjustIndexMap(classdoc.fields());
-        adjustIndexMap(classdoc.methods());
-        adjustIndexMap(classdoc.constructors());
+    protected void putMembersInIndexMap(TypeElement te) {
+        adjustIndexMap(utils.getAnnotationFields(te));
+        adjustIndexMap(utils.getFields(te));
+        adjustIndexMap(utils.getMethods(te));
+        adjustIndexMap(utils.getConstructors(te));
     }
 
 
     /**
      * Adjust list of members according to their names. Check the first

@@ -171,72 +163,76 @@
      * character in a member name, and then add the member to a list of members
      * for that particular unicode character.
      *
      * @param elements Array of members.
      */
-    protected void adjustIndexMap(Doc[] elements) {
-        for (Doc element : elements) {
+    protected void adjustIndexMap(Iterable<? extends Element> elements) {
+        for (Element element : elements) {
             if (shouldAddToIndexMap(element)) {
-                String name = element.name();
+                String name = utils.isPackage(element)
+                        ? utils.getPackageName((PackageElement)element)
+                        : utils.getSimpleName(element);
                 char ch = (name.length() == 0) ?
                           '*' :
                           Character.toUpperCase(name.charAt(0));
                 Character unicode = ch;
-                List<Doc> list = indexmap.get(unicode);
-                if (list == null) {
-                    list = new ArrayList<>();
-                    indexmap.put(unicode, list);
-                }
+                SortedSet<Element> list = indexmap.computeIfAbsent(unicode,
+                        c -> new TreeSet<>(utils.makeIndexUseComparator()));
                 list.add(element);
             }
         }
     }
 
     /**
-     * Should this doc element be added to the index map?
+     * Should this element be added to the index map?
      */
-    protected boolean shouldAddToIndexMap(Doc element) {
+    protected boolean shouldAddToIndexMap(Element element) {
         if (javafx) {
-            if (element.tags("treatAsPrivate").length > 0) {
+            if (!utils.getBlockTags(element, "treatAsPrivate").isEmpty()) {
                 return false;
             }
         }
 
-        if (element instanceof PackageDoc)
+        if (utils.isPackage(element))
             // Do not add to index map if -nodeprecated option is set and the
             // package is marked as deprecated.
             return !(noDeprecated && configuration.utils.isDeprecated(element));
         else
             // Do not add to index map if -nodeprecated option is set and if the
-            // Doc is marked as deprecated or the containing package is marked as
+            // element is marked as deprecated or the containing package is marked as
             // deprecated.
             return !(noDeprecated &&
                     (configuration.utils.isDeprecated(element) ||
-                    configuration.utils.isDeprecated(((ProgramElementDoc)element).containingPackage())));
+                    configuration.utils.isDeprecated(utils.containingPackage(element))));
     }
 
     /**
      * Return a map of all the individual member lists with Unicode character.
      *
      * @return Map index map.
      */
-    public Map<Character,List<Doc>> getIndexMap() {
+    public Map<Character, SortedSet<Element>> getIndexMap() {
         return indexmap;
     }
 
     /**
      * Return the sorted list of members, for passed Unicode Character.
      *
      * @param index index Unicode character.
      * @return List member list for specific Unicode character.
      */
-    public List<Doc> getMemberList(Character index) {
-        return indexmap.get(index);
+    public List<? extends Element> getMemberList(Character index) {
+        SortedSet<Element> set = indexmap.get(index);
+        if (set == null)
+            return null;
+        List<Element> out = new ArrayList<>();
+        out.addAll(set);
+        return out;
     }
 
     /**
      * Array of IndexMap keys, Unicode characters.
      */
-    public Object[] elements() {
-        return elements;
+    public List<Character> index() {
+        return new ArrayList<>(indexmap.keySet());
     }
 }