Thu, 15 Nov 2012 19:54:20 -0800
8002079: update DocFile to use a JavaFileManager
Reviewed-by: darcy
1 /*
2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.doclets.internal.toolkit.util;
28 import java.util.*;
30 import com.sun.javadoc.*;
31 import com.sun.tools.doclets.internal.toolkit.*;
33 /**
34 * Build Class Hierarchy for all the Classes. This class builds the Class
35 * Tree and the Interface Tree separately.
36 *
37 * <p><b>This is NOT part of any supported API.
38 * If you write code that depends on this, you do so at your own risk.
39 * This code and its internal interfaces are subject to change or
40 * deletion without notice.</b>
41 *
42 * @see java.util.HashMap
43 * @see java.util.List
44 * @see com.sun.javadoc.Type
45 * @see com.sun.javadoc.ClassDoc
46 * @author Atul M Dambalkar
47 */
48 public class ClassTree {
50 /**
51 * List of baseclasses. Contains only java.lang.Object. Can be used to get
52 * the mapped listing of sub-classes.
53 */
54 private List<ClassDoc> baseclasses = new ArrayList<ClassDoc>();
56 /**
57 * Mapping for each Class with their SubClasses
58 */
59 private Map<ClassDoc,List<ClassDoc>> subclasses = new HashMap<ClassDoc,List<ClassDoc>>();
61 /**
62 * List of base-interfaces. Contains list of all the interfaces who do not
63 * have super-interfaces. Can be used to get the mapped listing of
64 * sub-interfaces.
65 */
66 private List<ClassDoc> baseinterfaces = new ArrayList<ClassDoc>();
68 /**
69 * Mapping for each Interface with their SubInterfaces
70 */
71 private Map<ClassDoc,List<ClassDoc>> subinterfaces = new HashMap<ClassDoc,List<ClassDoc>>();
73 private List<ClassDoc> baseEnums = new ArrayList<ClassDoc>();
74 private Map<ClassDoc,List<ClassDoc>> subEnums = new HashMap<ClassDoc,List<ClassDoc>>();
76 private List<ClassDoc> baseAnnotationTypes = new ArrayList<ClassDoc>();
77 private Map<ClassDoc,List<ClassDoc>> subAnnotationTypes = new HashMap<ClassDoc,List<ClassDoc>>();
79 /**
80 * Mapping for each Interface with classes who implement it.
81 */
82 private Map<ClassDoc,List<ClassDoc>> implementingclasses = new HashMap<ClassDoc,List<ClassDoc>>();
84 /**
85 * Constructor. Build the Tree using the Root of this Javadoc run.
86 *
87 * @param configuration the configuration of the doclet.
88 * @param noDeprecated Don't add deprecated classes in the class tree, if
89 * true.
90 */
91 public ClassTree(Configuration configuration, boolean noDeprecated) {
92 configuration.message.notice("doclet.Building_Tree");
93 buildTree(configuration.root.classes(), configuration);
94 }
96 /**
97 * Constructor. Build the Tree using the Root of this Javadoc run.
98 *
99 * @param root Root of the Document.
100 * @param configuration The curren configuration of the doclet.
101 */
102 public ClassTree(RootDoc root, Configuration configuration) {
103 buildTree(root.classes(), configuration);
104 }
106 /**
107 * Constructor. Build the tree for the given array of classes.
108 *
109 * @param classes Array of classes.
110 * @param configuration The curren configuration of the doclet.
111 */
112 public ClassTree(ClassDoc[] classes, Configuration configuration) {
113 buildTree(classes, configuration);
114 }
116 /**
117 * Generate mapping for the sub-classes for every class in this run.
118 * Return the sub-class list for java.lang.Object which will be having
119 * sub-class listing for itself and also for each sub-class itself will
120 * have their own sub-class lists.
121 *
122 * @param classes all the classes in this run.
123 * @param configuration the current configuration of the doclet.
124 */
125 private void buildTree(ClassDoc[] classes, Configuration configuration) {
126 for (int i = 0; i < classes.length; i++) {
127 // In the tree page (e.g overview-tree.html) do not include
128 // information of classes which are deprecated or are a part of a
129 // deprecated package.
130 if (configuration.nodeprecated &&
131 (Util.isDeprecated(classes[i]) ||
132 Util.isDeprecated(classes[i].containingPackage()))) {
133 continue;
134 }
135 if (classes[i].isEnum()) {
136 processType(classes[i], configuration, baseEnums, subEnums);
137 } else if (classes[i].isClass()) {
138 processType(classes[i], configuration, baseclasses, subclasses);
139 } else if (classes[i].isInterface()) {
140 processInterface(classes[i]);
141 List<ClassDoc> list = implementingclasses.get(classes[i]);
142 if (list != null) {
143 Collections.sort(list);
144 }
145 } else if (classes[i].isAnnotationType()) {
146 processType(classes[i], configuration, baseAnnotationTypes,
147 subAnnotationTypes);
148 }
149 }
151 Collections.sort(baseinterfaces);
152 for (Iterator<List<ClassDoc>> it = subinterfaces.values().iterator(); it.hasNext(); ) {
153 Collections.sort(it.next());
154 }
155 for (Iterator<List<ClassDoc>> it = subclasses.values().iterator(); it.hasNext(); ) {
156 Collections.sort(it.next());
157 }
158 }
160 /**
161 * For the class passed map it to it's own sub-class listing.
162 * For the Class passed, get the super class,
163 * if superclass is non null, (it is not "java.lang.Object")
164 * get the "value" from the hashmap for this key Class
165 * if entry not found create one and get that.
166 * add this Class as a sub class in the list
167 * Recurse till hits java.lang.Object Null SuperClass.
168 *
169 * @param cd class for which sub-class mapping to be generated.
170 * @param configuration the current configurtation of the doclet.
171 */
172 private void processType(ClassDoc cd, Configuration configuration,
173 List<ClassDoc> bases, Map<ClassDoc,List<ClassDoc>> subs) {
174 ClassDoc superclass = Util.getFirstVisibleSuperClassCD(cd, configuration);
175 if (superclass != null) {
176 if (!add(subs, superclass, cd)) {
177 return;
178 } else {
179 processType(superclass, configuration, bases, subs);
180 }
181 } else { // cd is java.lang.Object, add it once to the list
182 if (!bases.contains(cd)) {
183 bases.add(cd);
184 }
185 }
186 List<Type> intfacs = Util.getAllInterfaces(cd, configuration);
187 for (Iterator<Type> iter = intfacs.iterator(); iter.hasNext();) {
188 add(implementingclasses, iter.next().asClassDoc(), cd);
189 }
190 }
192 /**
193 * For the interface passed get the interfaces which it extends, and then
194 * put this interface in the sub-interface list of those interfaces. Do it
195 * recursively. If a interface doesn't have super-interface just attach
196 * that interface in the list of all the baseinterfaces.
197 *
198 * @param cd Interface under consideration.
199 */
200 private void processInterface(ClassDoc cd) {
201 ClassDoc[] intfacs = cd.interfaces();
202 if (intfacs.length > 0) {
203 for (int i = 0; i < intfacs.length; i++) {
204 if (!add(subinterfaces, intfacs[i], cd)) {
205 return;
206 } else {
207 processInterface(intfacs[i]); // Recurse
208 }
209 }
210 } else {
211 // we need to add all the interfaces who do not have
212 // super-interfaces to baseinterfaces list to traverse them
213 if (!baseinterfaces.contains(cd)) {
214 baseinterfaces.add(cd);
215 }
216 }
217 }
219 /**
220 * Adjust the Class Tree. Add the class interface in to it's super-class'
221 * or super-interface's sub-interface list.
222 *
223 * @param map the entire map.
224 * @param superclass java.lang.Object or the super-interface.
225 * @param cd sub-interface to be mapped.
226 * @returns boolean true if class added, false if class already processed.
227 */
228 private boolean add(Map<ClassDoc,List<ClassDoc>> map, ClassDoc superclass, ClassDoc cd) {
229 List<ClassDoc> list = map.get(superclass);
230 if (list == null) {
231 list = new ArrayList<ClassDoc>();
232 map.put(superclass, list);
233 }
234 if (list.contains(cd)) {
235 return false;
236 } else {
237 list.add(cd);
238 }
239 return true;
240 }
242 /**
243 * From the map return the list of sub-classes or sub-interfaces. If list
244 * is null create a new one and return it.
245 *
246 * @param map The entire map.
247 * @param cd class for which the sub-class list is requested.
248 * @returns List Sub-Class list for the class passed.
249 */
250 private List<ClassDoc> get(Map<ClassDoc,List<ClassDoc>> map, ClassDoc cd) {
251 List<ClassDoc> list = map.get(cd);
252 if (list == null) {
253 return new ArrayList<ClassDoc>();
254 }
255 return list;
256 }
258 /**
259 * Return the sub-class list for the class passed.
260 *
261 * @param cd class whose sub-class list is required.
262 */
263 public List<ClassDoc> subclasses(ClassDoc cd) {
264 return get(subclasses, cd);
265 }
267 /**
268 * Return the sub-interface list for the interface passed.
269 *
270 * @param cd interface whose sub-interface list is required.
271 */
272 public List<ClassDoc> subinterfaces(ClassDoc cd) {
273 return get(subinterfaces, cd);
274 }
276 /**
277 * Return the list of classes which implement the interface passed.
278 *
279 * @param cd interface whose implementing-classes list is required.
280 */
281 public List<ClassDoc> implementingclasses(ClassDoc cd) {
282 List<ClassDoc> result = get(implementingclasses, cd);
283 List<ClassDoc> subinterfaces = allSubs(cd, false);
285 //If class x implements a subinterface of cd, then it follows
286 //that class x implements cd.
287 Iterator<ClassDoc> implementingClassesIter, subInterfacesIter = subinterfaces.listIterator();
288 ClassDoc c;
289 while(subInterfacesIter.hasNext()){
290 implementingClassesIter = implementingclasses(
291 subInterfacesIter.next()).listIterator();
292 while(implementingClassesIter.hasNext()){
293 c = implementingClassesIter.next();
294 if(! result.contains(c)){
295 result.add(c);
296 }
297 }
298 }
299 Collections.sort(result);
300 return result;
301 }
303 /**
304 * Return the sub-class/interface list for the class/interface passed.
305 *
306 * @param cd class/interface whose sub-class/interface list is required.
307 * @param isEnum true if the subclasses should be forced to come from the
308 * enum tree.
309 */
310 public List<ClassDoc> subs(ClassDoc cd, boolean isEnum) {
311 if (isEnum) {
312 return get(subEnums, cd);
313 } else if (cd.isAnnotationType()) {
314 return get(subAnnotationTypes, cd);
315 } else if (cd.isInterface()) {
316 return get(subinterfaces, cd);
317 } else if (cd.isClass()) {
318 return get(subclasses, cd);
319 } else {
320 return null;
321 }
323 }
325 /**
326 * Return a list of all direct or indirect, sub-classes and subinterfaces
327 * of the ClassDoc argument.
328 *
329 * @param cd ClassDoc whose sub-classes or sub-interfaces are requested.
330 * @param isEnum true if the subclasses should be forced to come from the
331 * enum tree.
332 */
333 public List<ClassDoc> allSubs(ClassDoc cd, boolean isEnum) {
334 List<ClassDoc> list = subs(cd, isEnum);
335 for (int i = 0; i < list.size(); i++) {
336 cd = list.get(i);
337 List<ClassDoc> tlist = subs(cd, isEnum);
338 for (int j = 0; j < tlist.size(); j++) {
339 ClassDoc tcd = tlist.get(j);
340 if (!list.contains(tcd)) {
341 list.add(tcd);
342 }
343 }
344 }
345 Collections.sort(list);
346 return list;
347 }
349 /**
350 * Return the base-classes list. This will have only one element namely
351 * thw classdoc for java.lang.Object, since this is the base class for all
352 * classes.
353 */
354 public List<ClassDoc> baseclasses() {
355 return baseclasses;
356 }
358 /**
359 * Return the list of base interfaces. This is the list of interfaces
360 * which do not have super-interface.
361 */
362 public List<ClassDoc> baseinterfaces() {
363 return baseinterfaces;
364 }
366 /**
367 * Return the list of base enums. This is the list of enums
368 * which do not have super-enums.
369 */
370 public List<ClassDoc> baseEnums() {
371 return baseEnums;
372 }
374 /**
375 * Return the list of base annotation types. This is the list of
376 * annotation types which do not have super-annotation types.
377 */
378 public List<ClassDoc> baseAnnotationTypes() {
379 return baseAnnotationTypes;
380 }
381 }