Thu, 13 Jan 2011 21:28:38 -0800
7010528: javadoc performance regression
Reviewed-by: jjg
1 /*
2 * Copyright (c) 1998, 2009, 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.formats.html;
28 import com.sun.tools.doclets.internal.toolkit.*;
29 import com.sun.tools.doclets.internal.toolkit.util.*;
31 import com.sun.javadoc.*;
32 import java.util.*;
33 import java.io.*;
35 /**
36 * Configure the output based on the command line options.
37 * <p>
38 * Also determine the length of the command line option. For example,
39 * for a option "-header" there will be a string argument associated, then the
40 * the length of option "-header" is two. But for option "-nohelp" no argument
41 * is needed so it's length is 1.
42 * </p>
43 * <p>
44 * Also do the error checking on the options used. For example it is illegal to
45 * use "-helpfile" option when already "-nohelp" option is used.
46 * </p>
47 *
48 * @author Robert Field.
49 * @author Atul Dambalkar.
50 * @author Jamie Ho
51 */
52 public class ConfigurationImpl extends Configuration {
54 private static ConfigurationImpl instance = new ConfigurationImpl();
56 /**
57 * The build date. Note: For now, we will use
58 * a version number instead of a date.
59 */
60 public static final String BUILD_DATE = System.getProperty("java.version");
62 /**
63 * The name of the constant values file.
64 */
65 public static final String CONSTANTS_FILE_NAME = "constant-values.html";
67 /**
68 * Argument for command line option "-header".
69 */
70 public String header = "";
72 /**
73 * Argument for command line option "-packagesheader".
74 */
75 public String packagesheader = "";
77 /**
78 * Argument for command line option "-footer".
79 */
80 public String footer = "";
82 /**
83 * Argument for command line option "-doctitle".
84 */
85 public String doctitle = "";
87 /**
88 * Argument for command line option "-windowtitle".
89 */
90 public String windowtitle = "";
92 /**
93 * Argument for command line option "-top".
94 */
95 public String top = "";
97 /**
98 * Argument for command line option "-bottom".
99 */
100 public String bottom = "";
102 /**
103 * Argument for command line option "-helpfile".
104 */
105 public String helpfile = "";
107 /**
108 * Argument for command line option "-stylesheetfile".
109 */
110 public String stylesheetfile = "";
112 /**
113 * True if command line option "-nohelp" is used. Default value is false.
114 */
115 public boolean nohelp = false;
117 /**
118 * True if command line option "-splitindex" is used. Default value is
119 * false.
120 */
121 public boolean splitindex = false;
123 /**
124 * False if command line option "-noindex" is used. Default value is true.
125 */
126 public boolean createindex = true;
128 /**
129 * True if command line option "-use" is used. Default value is false.
130 */
131 public boolean classuse = false;
133 /**
134 * False if command line option "-notree" is used. Default value is true.
135 */
136 public boolean createtree = true;
138 /**
139 * True if command line option "-nodeprecated" is used. Default value is
140 * false.
141 */
142 public boolean nodeprecatedlist = false;
144 /**
145 * True if command line option "-nonavbar" is used. Default value is false.
146 */
147 public boolean nonavbar = false;
149 /**
150 * True if command line option "-nooverview" is used. Default value is
151 * false
152 */
153 private boolean nooverview = false;
155 /**
156 * True if command line option "-overview" is used. Default value is false.
157 */
158 public boolean overview = false;
160 /**
161 * This is true if option "-overview" is used or option "-overview" is not
162 * used and number of packages is more than one.
163 */
164 public boolean createoverview = false;
166 /**
167 * Unique Resource Handler for this package.
168 */
169 public final MessageRetriever standardmessage;
171 /**
172 * First file to appear in the right-hand frame in the generated
173 * documentation.
174 */
175 public String topFile = "";
177 /**
178 * The classdoc for the class file getting generated.
179 */
180 public ClassDoc currentcd = null; // Set this classdoc in the
181 // ClassWriter.
183 /**
184 * Constructor. Initialises resource for the
185 * {@link com.sun.tools.doclets.MessageRetriever}.
186 */
187 private ConfigurationImpl() {
188 standardmessage = new MessageRetriever(this,
189 "com.sun.tools.doclets.formats.html.resources.standard");
190 }
192 /**
193 * Reset to a fresh new ConfigurationImpl, to allow multiple invocations
194 * of javadoc within a single VM. It would be better not to be using
195 * static fields at all, but .... (sigh).
196 */
197 public static void reset() {
198 instance = new ConfigurationImpl();
199 }
201 public static ConfigurationImpl getInstance() {
202 return instance;
203 }
205 /**
206 * Return the build date for the doclet.
207 */
208 public String getDocletSpecificBuildDate() {
209 return BUILD_DATE;
210 }
212 /**
213 * Depending upon the command line options provided by the user, set
214 * configure the output generation environment.
215 *
216 * @param options The array of option names and values.
217 */
218 public void setSpecificDocletOptions(String[][] options) {
219 for (int oi = 0; oi < options.length; ++oi) {
220 String[] os = options[oi];
221 String opt = os[0].toLowerCase();
222 if (opt.equals("-footer")) {
223 footer = os[1];
224 } else if (opt.equals("-header")) {
225 header = os[1];
226 } else if (opt.equals("-packagesheader")) {
227 packagesheader = os[1];
228 } else if (opt.equals("-doctitle")) {
229 doctitle = os[1];
230 } else if (opt.equals("-windowtitle")) {
231 windowtitle = os[1];
232 } else if (opt.equals("-top")) {
233 top = os[1];
234 } else if (opt.equals("-bottom")) {
235 bottom = os[1];
236 } else if (opt.equals("-helpfile")) {
237 helpfile = os[1];
238 } else if (opt.equals("-stylesheetfile")) {
239 stylesheetfile = os[1];
240 } else if (opt.equals("-charset")) {
241 charset = os[1];
242 } else if (opt.equals("-nohelp")) {
243 nohelp = true;
244 } else if (opt.equals("-splitindex")) {
245 splitindex = true;
246 } else if (opt.equals("-noindex")) {
247 createindex = false;
248 } else if (opt.equals("-use")) {
249 classuse = true;
250 } else if (opt.equals("-notree")) {
251 createtree = false;
252 } else if (opt.equals("-nodeprecatedlist")) {
253 nodeprecatedlist = true;
254 } else if (opt.equals("-nosince")) {
255 nosince = true;
256 } else if (opt.equals("-nonavbar")) {
257 nonavbar = true;
258 } else if (opt.equals("-nooverview")) {
259 nooverview = true;
260 } else if (opt.equals("-overview")) {
261 overview = true;
262 }
263 }
264 if (root.specifiedClasses().length > 0) {
265 Map<String,PackageDoc> map = new HashMap<String,PackageDoc>();
266 PackageDoc pd;
267 ClassDoc[] classes = root.classes();
268 for (int i = 0; i < classes.length; i++) {
269 pd = classes[i].containingPackage();
270 if(! map.containsKey(pd.name())) {
271 map.put(pd.name(), pd);
272 }
273 }
274 }
275 setCreateOverview();
276 setTopFile(root);
277 }
279 /**
280 * Returns the "length" of a given option. If an option takes no
281 * arguments, its length is one. If it takes one argument, it's
282 * length is two, and so on. This method is called by JavaDoc to
283 * parse the options it does not recognize. It then calls
284 * {@link #validOptions(String[][], DocErrorReporter)} to
285 * validate them.
286 * <b>Note:</b><br>
287 * The options arrive as case-sensitive strings. For options that
288 * are not case-sensitive, use toLowerCase() on the option string
289 * before comparing it.
290 * </blockquote>
291 *
292 * @return number of arguments + 1 for a option. Zero return means
293 * option not known. Negative value means error occurred.
294 */
295 public int optionLength(String option) {
296 int result = -1;
297 if ((result = super.optionLength(option)) > 0) {
298 return result;
299 }
300 // otherwise look for the options we have added
301 option = option.toLowerCase();
302 if (option.equals("-nodeprecatedlist") ||
303 option.equals("-noindex") ||
304 option.equals("-notree") ||
305 option.equals("-nohelp") ||
306 option.equals("-splitindex") ||
307 option.equals("-serialwarn") ||
308 option.equals("-use") ||
309 option.equals("-nonavbar") ||
310 option.equals("-nooverview")) {
311 return 1;
312 } else if (option.equals("-help")) {
313 System.out.println(getText("doclet.usage"));
314 return 1;
315 } else if (option.equals("-footer") ||
316 option.equals("-header") ||
317 option.equals("-packagesheader") ||
318 option.equals("-doctitle") ||
319 option.equals("-windowtitle") ||
320 option.equals("-top") ||
321 option.equals("-bottom") ||
322 option.equals("-helpfile") ||
323 option.equals("-stylesheetfile") ||
324 option.equals("-charset") ||
325 option.equals("-overview")) {
326 return 2;
327 } else {
328 return 0;
329 }
330 }
332 /**
333 * {@inheritDoc}
334 */
335 public boolean validOptions(String options[][],
336 DocErrorReporter reporter) {
337 boolean helpfile = false;
338 boolean nohelp = false;
339 boolean overview = false;
340 boolean nooverview = false;
341 boolean splitindex = false;
342 boolean noindex = false;
343 // check shared options
344 if (!generalValidOptions(options, reporter)) {
345 return false;
346 }
347 // otherwise look at our options
348 for (int oi = 0; oi < options.length; ++oi) {
349 String[] os = options[oi];
350 String opt = os[0].toLowerCase();
351 if (opt.equals("-helpfile")) {
352 if (nohelp == true) {
353 reporter.printError(getText("doclet.Option_conflict",
354 "-helpfile", "-nohelp"));
355 return false;
356 }
357 if (helpfile == true) {
358 reporter.printError(getText("doclet.Option_reuse",
359 "-helpfile"));
360 return false;
361 }
362 File help = new File(os[1]);
363 if (!help.exists()) {
364 reporter.printError(getText("doclet.File_not_found", os[1]));
365 return false;
366 }
367 helpfile = true;
368 } else if (opt.equals("-nohelp")) {
369 if (helpfile == true) {
370 reporter.printError(getText("doclet.Option_conflict",
371 "-nohelp", "-helpfile"));
372 return false;
373 }
374 nohelp = true;
375 } else if (opt.equals("-overview")) {
376 if (nooverview == true) {
377 reporter.printError(getText("doclet.Option_conflict",
378 "-overview", "-nooverview"));
379 return false;
380 }
381 if (overview == true) {
382 reporter.printError(getText("doclet.Option_reuse",
383 "-overview"));
384 return false;
385 }
386 overview = true;
387 } else if (opt.equals("-nooverview")) {
388 if (overview == true) {
389 reporter.printError(getText("doclet.Option_conflict",
390 "-nooverview", "-overview"));
391 return false;
392 }
393 nooverview = true;
394 } else if (opt.equals("-splitindex")) {
395 if (noindex == true) {
396 reporter.printError(getText("doclet.Option_conflict",
397 "-splitindex", "-noindex"));
398 return false;
399 }
400 splitindex = true;
401 } else if (opt.equals("-noindex")) {
402 if (splitindex == true) {
403 reporter.printError(getText("doclet.Option_conflict",
404 "-noindex", "-splitindex"));
405 return false;
406 }
407 noindex = true;
408 }
409 }
410 return true;
411 }
413 /**
414 * {@inheritDoc}
415 */
416 public MessageRetriever getDocletSpecificMsg() {
417 return standardmessage;
418 }
420 /**
421 * Decide the page which will appear first in the right-hand frame. It will
422 * be "overview-summary.html" if "-overview" option is used or no
423 * "-overview" but the number of packages is more than one. It will be
424 * "package-summary.html" of the respective package if there is only one
425 * package to document. It will be a class page(first in the sorted order),
426 * if only classes are provided on the command line.
427 *
428 * @param root Root of the program structure.
429 */
430 protected void setTopFile(RootDoc root) {
431 if (!checkForDeprecation(root)) {
432 return;
433 }
434 if (createoverview) {
435 topFile = "overview-summary.html";
436 } else {
437 if (packages.length == 1 && packages[0].name().equals("")) {
438 if (root.classes().length > 0) {
439 ClassDoc[] classarr = root.classes();
440 Arrays.sort(classarr);
441 ClassDoc cd = getValidClass(classarr);
442 topFile = DirectoryManager.getPathToClass(cd);
443 }
444 } else {
445 topFile = DirectoryManager.getPathToPackage(packages[0],
446 "package-summary.html");
447 }
448 }
449 }
451 protected ClassDoc getValidClass(ClassDoc[] classarr) {
452 if (!nodeprecated) {
453 return classarr[0];
454 }
455 for (int i = 0; i < classarr.length; i++) {
456 if (classarr[i].tags("deprecated").length == 0) {
457 return classarr[i];
458 }
459 }
460 return null;
461 }
463 protected boolean checkForDeprecation(RootDoc root) {
464 ClassDoc[] classarr = root.classes();
465 for (int i = 0; i < classarr.length; i++) {
466 if (isGeneratedDoc(classarr[i])) {
467 return true;
468 }
469 }
470 return false;
471 }
473 /**
474 * Generate "overview.html" page if option "-overview" is used or number of
475 * packages is more than one. Sets {@link #createoverview} field to true.
476 */
477 protected void setCreateOverview() {
478 if ((overview || packages.length > 1) && !nooverview) {
479 createoverview = true;
480 }
481 }
483 /**
484 * {@inheritDoc}
485 */
486 public WriterFactory getWriterFactory() {
487 return new WriterFactoryImpl(this);
488 }
490 /**
491 * {@inheritDoc}
492 */
493 public Comparator<ProgramElementDoc> getMemberComparator() {
494 return null;
495 }
497 /**
498 * {@inheritDoc}
499 */
500 public Locale getLocale() {
501 if (root instanceof com.sun.tools.javadoc.RootDocImpl)
502 return ((com.sun.tools.javadoc.RootDocImpl)root).getLocale();
503 else
504 return Locale.getDefault();
505 }
506 }