Commit | Line | Data |
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73785268 NR |
1 | package be.nikiroo.gofetch.support; |
2 | ||
3 | import java.io.IOException; | |
3e62b034 NR |
4 | import java.io.InputStream; |
5 | import java.net.URL; | |
b34d1f35 NR |
6 | import java.text.ParseException; |
7 | import java.text.SimpleDateFormat; | |
27008a87 | 8 | import java.util.ArrayList; |
3e62b034 | 9 | import java.util.Arrays; |
b34d1f35 | 10 | import java.util.Date; |
9cf08a99 | 11 | import java.util.HashMap; |
73785268 | 12 | import java.util.List; |
9cf08a99 | 13 | import java.util.Map; |
3e62b034 | 14 | import java.util.Map.Entry; |
73785268 | 15 | |
3e62b034 | 16 | import org.jsoup.helper.DataUtil; |
27008a87 | 17 | import org.jsoup.helper.StringUtil; |
3e62b034 | 18 | import org.jsoup.nodes.Document; |
27008a87 NR |
19 | import org.jsoup.nodes.Element; |
20 | import org.jsoup.nodes.Node; | |
21 | import org.jsoup.nodes.TextNode; | |
27008a87 NR |
22 | import org.jsoup.select.NodeTraversor; |
23 | import org.jsoup.select.NodeVisitor; | |
24 | ||
3e62b034 | 25 | import be.nikiroo.gofetch.data.Comment; |
73785268 | 26 | import be.nikiroo.gofetch.data.Story; |
136ab801 | 27 | import be.nikiroo.utils.Downloader; |
3e62b034 | 28 | import be.nikiroo.utils.StringUtils; |
73785268 | 29 | |
b34d1f35 NR |
30 | /** |
31 | * Base class for website support. | |
32 | * | |
33 | * @author niki | |
34 | */ | |
73785268 | 35 | public abstract class BasicSupport { |
a71d4075 | 36 | /** |
9cf08a99 NR |
37 | * The downloader to use for all web sites via |
38 | * {@link BasicSupport#open(URL)} | |
a71d4075 NR |
39 | */ |
40 | static private Downloader downloader = new Downloader("gofetcher"); | |
136ab801 | 41 | |
3e62b034 NR |
42 | static private String preselector; |
43 | ||
9cf08a99 NR |
44 | /** |
45 | * The optional cookies to use to get the site data. | |
46 | */ | |
47 | private Map<String, String> cookies = new HashMap<String, String>(); | |
48 | ||
3e62b034 NR |
49 | private Type type; |
50 | ||
9cf08a99 NR |
51 | /** |
52 | * Login on the web site (this method does nothing by default, but can be | |
53 | * overridden if needed). | |
54 | * | |
55 | * @throws IOException | |
56 | * in case of I/O error | |
57 | * | |
58 | */ | |
59 | public void login() throws IOException { | |
60 | } | |
61 | ||
3e62b034 NR |
62 | /** |
63 | * The website textual description, to add in the dispatcher page. | |
64 | * <p> | |
65 | * Should be short. | |
66 | * | |
67 | * @return the description | |
68 | */ | |
69 | abstract public String getDescription(); | |
70 | ||
b34d1f35 | 71 | /** |
3e62b034 NR |
72 | * The gopher "selector" to use for output. |
73 | * <p> | |
74 | * A kind of "URL path", like "/news/" or "/misc/news/" or... | |
75 | * | |
76 | * @return the selector | |
77 | */ | |
78 | public String getSelector() { | |
a71d4075 | 79 | return getSelector(getType()); |
73785268 NR |
80 | } |
81 | ||
20217360 | 82 | /** |
3e62b034 NR |
83 | * The support type. |
84 | * | |
85 | * @return the type | |
86 | */ | |
87 | public Type getType() { | |
88 | return type; | |
27008a87 NR |
89 | } |
90 | ||
20217360 | 91 | /** |
3e62b034 NR |
92 | * List all the recent items, but only assure the ID and internal URL to |
93 | * fetch it later on (until it has been fetched, the rest of the | |
94 | * {@link Story} is not confirmed). | |
20217360 | 95 | * |
3e62b034 NR |
96 | * @return the list of new stories |
97 | * | |
98 | * @throws IOException | |
99 | * in case of I/O | |
20217360 | 100 | */ |
3e62b034 NR |
101 | public List<Story> list() throws IOException { |
102 | List<Story> list = new ArrayList<Story>(); | |
103 | ||
9cf08a99 | 104 | login(); |
3e62b034 NR |
105 | for (Entry<URL, String> entry : getUrls()) { |
106 | URL url = entry.getKey(); | |
107 | String defaultCateg = entry.getValue(); | |
108 | if (defaultCateg == null) { | |
109 | defaultCateg = ""; | |
110 | } | |
20217360 | 111 | |
a71d4075 | 112 | InputStream in = open(url); |
3e62b034 NR |
113 | Document doc = DataUtil.load(in, "UTF-8", url.toString()); |
114 | List<Element> articles = getArticles(doc); | |
115 | for (Element article : articles) { | |
116 | String id = getArticleId(doc, article).trim(); | |
117 | String title = getArticleTitle(doc, article).trim(); | |
118 | String author = getArticleAuthor(doc, article).trim(); | |
119 | String date = getArticleDate(doc, article).trim(); | |
120 | String categ = getArticleCategory(doc, article, defaultCateg) | |
121 | .trim(); | |
122 | String details = getArticleDetails(doc, article).trim(); | |
123 | String intUrl = getArticleIntUrl(doc, article).trim(); | |
124 | String extUrl = getArticleExtUrl(doc, article).trim(); | |
125 | String content = getArticleContent(doc, article).trim(); | |
126 | ||
127 | if (id.isEmpty() && date.isEmpty()) { | |
128 | continue; | |
129 | } | |
20217360 | 130 | |
1ab7ff0a NR |
131 | if (!id.isEmpty()) { |
132 | while (id.length() < 10) { | |
133 | id = "0" + id; | |
134 | } | |
135 | } else { | |
1197ec1a | 136 | id = date.replace(":", "_").replace("+", "_").replace("/", "-"); |
3e62b034 | 137 | } |
1197ec1a | 138 | |
3e62b034 | 139 | date = date(date); |
b9afb12e | 140 | |
3e62b034 NR |
141 | list.add(new Story(getType(), id, title, author, date, categ, |
142 | details, intUrl, extUrl, content)); | |
143 | } | |
b9afb12e | 144 | } |
3e62b034 NR |
145 | |
146 | return list; | |
20217360 NR |
147 | } |
148 | ||
3e62b034 NR |
149 | /** |
150 | * The {@link URL}s to process for this website. | |
151 | * | |
152 | * @return the list of {@link URL}s | |
153 | * | |
154 | * @throws IOException | |
155 | * in case of I/O error | |
156 | */ | |
157 | abstract protected List<Entry<URL, String>> getUrls() throws IOException; | |
73785268 | 158 | |
3e62b034 NR |
159 | /** |
160 | * The article {@link Element}s of this document. | |
161 | * | |
162 | * @param doc | |
163 | * the main document for the current category | |
164 | * | |
165 | * @return the articles | |
166 | */ | |
167 | abstract protected List<Element> getArticles(Document doc); | |
73785268 | 168 | |
100a8395 | 169 | /** |
3e62b034 | 170 | * The ID of the article (defaults to the date element if empty). |
100a8395 | 171 | * |
3e62b034 NR |
172 | * @param doc |
173 | * the main document for the current category | |
174 | * @param article | |
175 | * the article to look into | |
100a8395 | 176 | * |
3e62b034 NR |
177 | * @return the ID |
178 | */ | |
179 | abstract protected String getArticleId(Document doc, Element article); | |
180 | ||
181 | /** | |
182 | * The article title to display. | |
183 | * | |
184 | * @param doc | |
185 | * the main document for the current category | |
186 | * @param article | |
187 | * the article to look into | |
188 | * | |
189 | * @return the title | |
190 | */ | |
191 | abstract protected String getArticleTitle(Document doc, Element article); | |
192 | ||
193 | /** | |
194 | * The optional article author. | |
195 | * | |
196 | * @param doc | |
197 | * the main document for the current category | |
198 | * @param article | |
199 | * the article to look into | |
200 | * | |
201 | * @return the author | |
202 | */ | |
203 | abstract protected String getArticleAuthor(Document doc, Element article); | |
204 | ||
205 | /** | |
206 | * The optional article date. | |
207 | * | |
208 | * @param doc | |
209 | * the main document for the current category | |
210 | * @param article | |
211 | * the article to look into | |
212 | * | |
213 | * @return the date | |
214 | */ | |
215 | abstract protected String getArticleDate(Document doc, Element article); | |
216 | ||
217 | /** | |
218 | * the optional article category. | |
219 | * | |
220 | * @param doc | |
221 | * the main document for the current category | |
222 | * @param article | |
223 | * the article to look into | |
224 | * @param currentCategory | |
225 | * the currently listed category if any (can be NULL) | |
226 | * | |
227 | * @return the category | |
100a8395 | 228 | */ |
3e62b034 NR |
229 | abstract protected String getArticleCategory(Document doc, Element article, |
230 | String currentCategory); | |
231 | ||
232 | /** | |
233 | * the optional details of the article (can replace the date, author and | |
234 | * category, for instance). | |
235 | * | |
236 | * @param doc | |
237 | * the main document for the current category | |
238 | * @param article | |
239 | * the article to look into | |
240 | * | |
241 | * @return the details | |
242 | */ | |
243 | abstract protected String getArticleDetails(Document doc, Element article); | |
244 | ||
245 | /** | |
246 | * The (required) {@link URL} that points to the news page on the supported | |
247 | * website. | |
248 | * | |
249 | * @param doc | |
250 | * the main document for the current category | |
251 | * @param article | |
252 | * the article to look into | |
253 | * | |
254 | * @return the internal {@link URL} | |
255 | */ | |
256 | abstract protected String getArticleIntUrl(Document doc, Element article); | |
257 | ||
258 | /** | |
259 | * the optional {@link URL} that points to an external website for more | |
260 | * information. | |
261 | * | |
262 | * @param doc | |
263 | * the main document for the current category | |
264 | * @param article | |
265 | * the article to look into | |
266 | * | |
267 | * @return the external {@link URL} | |
268 | */ | |
269 | abstract protected String getArticleExtUrl(Document doc, Element article); | |
270 | ||
271 | /** | |
272 | * The optional article short-content (not the full content, that will be | |
273 | * fetched by {@link BasicSupport#fetch(Story)}). | |
274 | * | |
275 | * @param doc | |
276 | * the main document for the current category | |
277 | * @param article | |
278 | * the article to look into | |
279 | * | |
280 | * @return the short content | |
281 | */ | |
282 | abstract protected String getArticleContent(Document doc, Element article); | |
73785268 | 283 | |
5c056aad NR |
284 | /** |
285 | * Fetch the full article content as well as all the comments associated to | |
286 | * this {@link Story}, if any (can be empty, but not NULL). | |
287 | * | |
288 | * @param story | |
289 | * the story to fetch the comments of | |
290 | * | |
291 | * @throws IOException | |
292 | * in case of I/O error | |
293 | */ | |
3e62b034 NR |
294 | public void fetch(Story story) throws IOException { |
295 | String fullContent = ""; | |
296 | ||
297 | URL url = new URL(story.getUrlInternal()); | |
a71d4075 | 298 | InputStream in = open(url); |
3e62b034 NR |
299 | try { |
300 | Document doc = DataUtil.load(in, "UTF-8", url.toString()); | |
301 | Element article = getFullArticle(doc); | |
302 | if (article != null) { | |
e818d449 | 303 | fullContent = getArticleText(article); |
3e62b034 NR |
304 | } |
305 | ||
306 | if (fullContent.isEmpty()) { | |
307 | fullContent = story.getContent(); | |
308 | } | |
309 | ||
310 | story.setFullContent(fullContent); | |
311 | story.setComments(getComments(doc, | |
312 | getFullArticleCommentPosts(doc, url))); | |
313 | } finally { | |
314 | if (in != null) { | |
315 | in.close(); | |
316 | } | |
317 | } | |
318 | } | |
73785268 | 319 | |
e818d449 NR |
320 | /** |
321 | * Return the text from this {@link Element}, using the | |
322 | * {@link BasicSupport#getElementProcessorFullArticle()} processor logic. | |
323 | * | |
324 | * @param article | |
325 | * the element to extract the text from | |
326 | * | |
327 | * @return the text | |
328 | */ | |
329 | protected String getArticleText(Element article) { | |
330 | StringBuilder builder = new StringBuilder(); | |
331 | ElementProcessor eProc = getElementProcessorFullArticle(); | |
332 | if (eProc != null) { | |
333 | for (String line : toLines(article, eProc)) { | |
334 | builder.append(line + "\n"); | |
335 | } | |
336 | } else { | |
337 | builder.append(article.text()); | |
338 | } | |
339 | ||
340 | // Content is too tight with a single break per line: | |
341 | return builder.toString().replace("\n", "\n\n") // | |
342 | .replace("\n\n\n\n", "\n\n") // | |
343 | .replace("\n\n\n\n", "\n\n") // | |
344 | .trim(); | |
345 | } | |
346 | ||
b34d1f35 | 347 | /** |
9cf08a99 NR |
348 | * Return the full article if available (this is the article to retrieve |
349 | * from the newly downloaded page at {@link Story#getUrlInternal()}). | |
b34d1f35 | 350 | * |
3e62b034 NR |
351 | * @param doc |
352 | * the (full article) document to work on | |
353 | * | |
354 | * @return the article or NULL | |
b34d1f35 | 355 | */ |
3e62b034 | 356 | abstract protected Element getFullArticle(Document doc); |
2d95a873 | 357 | |
b34d1f35 | 358 | /** |
3e62b034 NR |
359 | * Return the list of comment {@link Element}s from this optional container |
360 | * -- must <b>NOT</b> return the "container" as a comment {@link Element}. | |
361 | * | |
362 | * @param doc | |
363 | * the (full article) document to work on | |
364 | * @param intUrl | |
365 | * the internal {@link URL} this article wa taken from (the | |
366 | * {@link URL} from the supported website) | |
367 | * | |
368 | * @return the list of comment posts | |
369 | */ | |
370 | abstract protected List<Element> getFullArticleCommentPosts(Document doc, | |
371 | URL intUrl); | |
372 | ||
373 | /** | |
374 | * The {@link ElementProcessor} to use to convert the main article element | |
375 | * (see {@link BasicSupport#getFullArticle(Document)}) into text. | |
b34d1f35 | 376 | * <p> |
3e62b034 NR |
377 | * See {@link BasicElementProcessor} for a working, basic implementation. |
378 | * <p> | |
379 | * Can be NULL to simply use {@link Element#text()}. | |
b34d1f35 | 380 | * |
3e62b034 | 381 | * @return the processor, or NULL |
b34d1f35 | 382 | */ |
3e62b034 | 383 | abstract protected ElementProcessor getElementProcessorFullArticle(); |
73785268 | 384 | |
a71d4075 NR |
385 | /** |
386 | * Open a network resource. | |
387 | * <p> | |
388 | * You need to close the returned {@link InputStream} when done. | |
389 | * | |
390 | * @param url | |
391 | * the source to open | |
392 | * | |
393 | * @return the content | |
394 | * | |
395 | * @throws IOException | |
396 | * in case of I/O error | |
397 | */ | |
398 | protected InputStream open(URL url) throws IOException { | |
9cf08a99 | 399 | return downloader.open(url, url, cookies, null, null, null); |
a71d4075 NR |
400 | } |
401 | ||
b34d1f35 | 402 | /** |
3e62b034 | 403 | * Convert the comment elements into {@link Comment}s |
b34d1f35 | 404 | * |
3e62b034 NR |
405 | * @param doc |
406 | * the document we work on | |
407 | * @param posts | |
408 | * the comment elements | |
409 | * | |
410 | * @return the converted {@link Comment}s | |
b34d1f35 | 411 | */ |
3e62b034 NR |
412 | private List<Comment> getComments(Document doc, List<Element> posts) { |
413 | List<Comment> comments = new ArrayList<Comment>(); | |
414 | if (posts != null) { | |
415 | for (Element post : posts) { | |
416 | String id = getCommentId(post).trim(); | |
417 | String author = getCommentAuthor(post).trim(); | |
418 | String title = getCommentTitle(post).trim(); | |
419 | String date = getCommentDate(post).trim(); | |
420 | ||
421 | List<String> content = new ArrayList<String>(); | |
422 | ||
423 | if (id.isEmpty()) { | |
424 | id = date; | |
425 | } | |
426 | ||
427 | date = date(date); | |
428 | ||
429 | Element contentE = getCommentContentElement(post); | |
430 | if (contentE != null) { | |
431 | ElementProcessor eProc = getElementProcessorComment(); | |
432 | if (eProc != null) { | |
433 | for (String line : toLines(contentE, eProc)) { | |
434 | content.add(line); | |
435 | } | |
436 | } else { | |
437 | content = Arrays.asList(contentE.text().split("\n")); | |
438 | } | |
439 | } | |
440 | ||
441 | Comment comment = new Comment(id, author, title, date, content); | |
442 | comment.addAll(getComments(doc, | |
443 | getCommentCommentPosts(doc, post))); | |
444 | ||
445 | if (!comment.isEmpty()) { | |
446 | comments.add(comment); | |
447 | } | |
448 | } | |
449 | } | |
450 | ||
451 | return comments; | |
73785268 NR |
452 | } |
453 | ||
3e62b034 NR |
454 | /** |
455 | * Return the list of subcomment {@link Element}s from this comment element | |
456 | * -- must <b>NOT</b> return the "container" as a comment {@link Element}. | |
457 | * | |
458 | * @param doc | |
459 | * the (full article) document to work on | |
460 | * @param container | |
461 | * the container (a comment {@link Element}) | |
462 | * | |
463 | * @return the list of comment posts | |
464 | */ | |
465 | abstract protected List<Element> getCommentCommentPosts(Document doc, | |
466 | Element container); | |
467 | ||
468 | /** | |
469 | * Compute the ID of the given comment element. | |
470 | * | |
471 | * @param post | |
472 | * the comment element | |
473 | * | |
474 | * @return the ID | |
475 | */ | |
476 | abstract protected String getCommentId(Element post); | |
477 | ||
478 | /** | |
479 | * Compute the author of the given comment element. | |
480 | * | |
481 | * @param post | |
482 | * the comment element | |
483 | * | |
484 | * @return the author | |
485 | */ | |
486 | abstract protected String getCommentAuthor(Element post); | |
487 | ||
488 | /** | |
489 | * Compute the title of the given comment element. | |
490 | * | |
491 | * @param post | |
492 | * the comment element | |
493 | * | |
494 | * @return the title | |
495 | */ | |
496 | abstract protected String getCommentTitle(Element post); | |
497 | ||
498 | /** | |
499 | * Compute the date of the given comment element. | |
500 | * | |
501 | * @param post | |
502 | * the comment element | |
503 | * | |
504 | * @return the date | |
505 | */ | |
506 | abstract protected String getCommentDate(Element post); | |
507 | ||
508 | /** | |
509 | * Get the main of the given comment element, which can be NULL. | |
510 | * | |
511 | * @param post | |
512 | * the comment element | |
513 | * | |
514 | * @return the element | |
515 | */ | |
516 | abstract protected Element getCommentContentElement(Element post); | |
517 | ||
518 | /** | |
519 | * The {@link ElementProcessor} to use to convert the main comment element | |
520 | * (see {@link BasicSupport#getCommentContentElement(Element)}) into text. | |
521 | * <p> | |
522 | * See {@link BasicElementProcessor} for a working, basic implementation. | |
523 | * <p> | |
524 | * Can be NULL to simply use {@link Element#text()}. | |
525 | * | |
526 | * @return the processor | |
527 | */ | |
528 | abstract protected ElementProcessor getElementProcessorComment(); | |
529 | ||
b34d1f35 NR |
530 | /** |
531 | * The support type. | |
532 | * | |
533 | * @param type | |
534 | * the new type | |
535 | */ | |
73785268 NR |
536 | protected void setType(Type type) { |
537 | this.type = type; | |
538 | } | |
539 | ||
9cf08a99 NR |
540 | /** |
541 | * Add a cookie for all site connections. | |
542 | * | |
543 | * @param name | |
544 | * the cookie name | |
545 | * @param value | |
546 | * the value | |
547 | */ | |
548 | protected void addCookie(String name, String value) { | |
549 | cookies.put(name, value); | |
550 | } | |
551 | ||
73785268 | 552 | /** |
b34d1f35 NR |
553 | * The {@link String} to append to the selector (the selector will be |
554 | * constructed as "this string" then "/type/". | |
555 | * | |
73785268 NR |
556 | * @param preselector |
557 | * the preselector to set | |
558 | */ | |
559 | static public void setPreselector(String preselector) { | |
560 | BasicSupport.preselector = preselector; | |
561 | } | |
562 | ||
20217360 NR |
563 | /** |
564 | * Return a {@link BasicSupport} that is compatible with the given | |
565 | * {@link Type} if it exists (or NULL if not). | |
566 | * | |
567 | * @param type | |
568 | * the type | |
569 | * | |
570 | * @return a compatible {@link BasicSupport} if it exists (or NULL if not) | |
571 | */ | |
73785268 NR |
572 | static public BasicSupport getSupport(Type type) { |
573 | BasicSupport support = null; | |
574 | ||
575 | if (type != null) { | |
576 | switch (type) { | |
577 | case SLASHDOT: | |
578 | support = new Slashdot(); | |
579 | break; | |
2d95a873 NR |
580 | case PIPEDOT: |
581 | support = new Pipedot(); | |
582 | break; | |
eaaeae39 NR |
583 | case LWN: |
584 | support = new LWN(); | |
585 | break; | |
100a8395 NR |
586 | case LEMONDE: |
587 | support = new LeMonde(); | |
588 | break; | |
d28c4aac NR |
589 | case REGISTER: |
590 | support = new TheRegister(); | |
591 | break; | |
b34d1f35 | 592 | case TOO_LINUX: |
cd555a1e NR |
593 | support = new TooLinux(); |
594 | break; | |
31755801 NR |
595 | case ERE_NUMERIQUE: |
596 | support = new EreNumerique(); | |
597 | break; | |
127e065f NR |
598 | case PHORONIX: |
599 | support = new Phoronix(); | |
600 | break; | |
9cf08a99 NR |
601 | case SEPT_SUR_SEPT: |
602 | support = new SeptSurSept(); | |
603 | break; | |
b19b3632 NR |
604 | case REDDIT: |
605 | support = new Reddit(); | |
606 | break; | |
73785268 NR |
607 | } |
608 | ||
609 | if (support != null) { | |
610 | support.setType(type); | |
611 | } | |
612 | } | |
613 | ||
614 | return support; | |
615 | } | |
616 | ||
b34d1f35 NR |
617 | /** |
618 | * The gopher "selector" to use for output for this type, using the | |
619 | * preselector. | |
620 | * <p> | |
621 | * A kind of "URL path", like "/news/" or "/misc/news/" or... | |
622 | * | |
623 | * @param type | |
624 | * the type to get the selector of | |
625 | * | |
626 | * @return the selector | |
627 | */ | |
73785268 NR |
628 | static public String getSelector(Type type) { |
629 | return preselector + "/" + type + "/"; | |
630 | } | |
631 | ||
20217360 NR |
632 | /** |
633 | * Process the given element into text (each line is a text paragraph and | |
634 | * can be prepended with ">" signs to indicate a quote or sub-quote or | |
635 | * sub-sub-quote...). | |
636 | * | |
637 | * @param element | |
638 | * the element to process | |
639 | * @param elementProcessor | |
640 | * the element processor, must not be NULL | |
641 | * | |
642 | * @return text lines, each line is a paragraph | |
643 | */ | |
27008a87 | 644 | static protected List<String> toLines(Element element, |
20217360 | 645 | final ElementProcessor elementProcessor) { |
27008a87 NR |
646 | final List<String> lines = new ArrayList<String>(); |
647 | final StringBuilder currentLine = new StringBuilder(); | |
648 | final List<Integer> quoted = new ArrayList<Integer>(); | |
649 | final List<Node> ignoredNodes = new ArrayList<Node>(); | |
3e62b034 | 650 | final List<String> footnotes = new ArrayList<String>(); |
27008a87 NR |
651 | |
652 | if (element != null) { | |
653 | new NodeTraversor(new NodeVisitor() { | |
654 | @Override | |
655 | public void head(Node node, int depth) { | |
100a8395 | 656 | String manual = null; |
20217360 | 657 | boolean ignore = elementProcessor.ignoreNode(node) |
100a8395 | 658 | || ignoredNodes.contains(node.parentNode()); |
b9afb12e | 659 | // Manual processing |
100a8395 | 660 | if (!ignore) { |
20217360 | 661 | manual = elementProcessor.manualProcessing(node); |
100a8395 NR |
662 | if (manual != null) { |
663 | currentLine.append(manual); | |
664 | ignore = true; | |
665 | } | |
666 | } | |
667 | ||
b9afb12e NR |
668 | // Subtitle check |
669 | if (!ignore) { | |
670 | String subtitle = elementProcessor.isSubtitle(node); | |
671 | if (subtitle != null) { | |
672 | subtitle = subtitle.trim(); | |
673 | currentLine.append("\n[ " + subtitle + " ]\n"); | |
674 | ignore = true; | |
675 | } | |
676 | } | |
677 | ||
3e62b034 NR |
678 | // <pre> check |
679 | if (!ignore) { | |
680 | if (node instanceof Element) { | |
681 | Element el = (Element) node; | |
682 | if ("pre".equals(el.tagName())) { | |
683 | currentLine.append(StringUtils | |
684 | .unhtml(el.text()).trim()); | |
685 | ignore = true; | |
686 | } | |
687 | } | |
688 | } | |
689 | ||
100a8395 | 690 | if (ignore) { |
27008a87 NR |
691 | ignoredNodes.add(node); |
692 | return; | |
693 | } | |
694 | ||
695 | String prep = ""; | |
696 | for (int i = 0; i < quoted.size(); i++) { | |
697 | prep += ">"; | |
698 | } | |
699 | prep += " "; | |
700 | ||
20217360 | 701 | boolean enterQuote = elementProcessor.detectQuote(node); |
27008a87 NR |
702 | boolean leaveQuote = quoted.contains(depth); |
703 | ||
704 | if (enterQuote) { | |
705 | quoted.add(depth); | |
706 | } | |
707 | ||
708 | if (leaveQuote) { | |
709 | quoted.remove(Integer.valueOf(depth)); | |
710 | } | |
711 | ||
712 | if (enterQuote || leaveQuote) { | |
713 | if (currentLine.length() > 0) { | |
714 | if (currentLine.charAt(currentLine.length() - 1) == '\n') { | |
715 | currentLine.setLength(currentLine.length() - 1); | |
716 | } | |
717 | for (String l : currentLine.toString().split("\n")) { | |
718 | lines.add(prep + l); | |
719 | } | |
720 | } | |
721 | currentLine.setLength(0); | |
722 | } | |
723 | ||
724 | if (node instanceof Element) { | |
725 | Element element = (Element) node; | |
726 | boolean block = element.isBlock() | |
727 | || element.tagName().equalsIgnoreCase("br"); | |
728 | if (block && currentLine.length() > 0) { | |
729 | currentLine.append("\n"); | |
730 | } | |
3e62b034 NR |
731 | |
732 | if (!element.absUrl("href").trim().isEmpty()) { | |
733 | footnotes.add(element.absUrl("href")); | |
734 | currentLine.append("[" + footnotes.size() + "]"); | |
735 | } | |
27008a87 NR |
736 | } else if (node instanceof TextNode) { |
737 | TextNode textNode = (TextNode) node; | |
738 | String line = StringUtil.normaliseWhitespace(textNode | |
739 | .getWholeText()); | |
740 | ||
20217360 | 741 | currentLine.append(elementProcessor.processText(line)); |
27008a87 NR |
742 | currentLine.append(" "); |
743 | } | |
744 | } | |
745 | ||
746 | @Override | |
747 | public void tail(Node node, int depth) { | |
748 | } | |
749 | }).traverse(element); | |
750 | } | |
751 | ||
752 | if (currentLine.length() > 0) { | |
753 | String prep = ""; | |
754 | for (int i = 0; i < quoted.size(); i++) { | |
755 | prep += ">"; | |
756 | } | |
757 | prep += " "; | |
758 | if (currentLine.length() > 0) { | |
759 | if (currentLine.charAt(currentLine.length() - 1) == '\n') { | |
760 | currentLine.setLength(currentLine.length() - 1); | |
761 | } | |
762 | for (String l : currentLine.toString().split("\n")) { | |
763 | lines.add(prep + l); | |
764 | } | |
765 | } | |
766 | } | |
767 | ||
3e62b034 NR |
768 | // Fix spaces and nbsp, remove multiple following blank lines |
769 | List<String> linesCopy = new ArrayList<String>(lines.size()); | |
770 | long blanks = 0; | |
27008a87 | 771 | for (int i = 0; i < lines.size(); i++) { |
3e62b034 NR |
772 | String line = lines.get(i).replace(" ", " ") // nbsp -> space |
773 | .replace(" ", " ").trim(); | |
774 | if (line.isEmpty()) { | |
775 | blanks++; | |
776 | } else { | |
777 | blanks = 0; | |
778 | } | |
779 | ||
780 | if (blanks < 2) { | |
781 | linesCopy.add(line); | |
782 | } | |
783 | } | |
784 | ||
785 | // Footnotes insertion | |
786 | if (footnotes.size() > 0) { | |
787 | linesCopy.add(""); | |
788 | linesCopy.add(""); | |
789 | linesCopy.add(""); | |
790 | linesCopy.add(""); | |
791 | for (int i = 0; i < footnotes.size(); i++) { | |
792 | linesCopy.add("[" + (i + 1) + "] " + footnotes.get(i)); | |
793 | } | |
27008a87 NR |
794 | } |
795 | ||
3e62b034 | 796 | return linesCopy; |
b34d1f35 NR |
797 | } |
798 | ||
799 | /** | |
800 | * Reformat the date if possible. | |
801 | * | |
802 | * @param date | |
803 | * the input date | |
804 | * | |
805 | * @return the reformated date, or the same value if it was not parsable | |
806 | */ | |
3e62b034 | 807 | static private String date(String date) { |
b34d1f35 NR |
808 | SimpleDateFormat out = new SimpleDateFormat("yyyy/MM/dd"); |
809 | ||
810 | long epoch = 0; | |
811 | try { | |
c9cffa91 | 812 | epoch = Long.parseLong(date.trim()); |
b34d1f35 NR |
813 | } catch (Exception e) { |
814 | epoch = 0; | |
880740c4 NR |
815 | } |
816 | ||
b34d1f35 NR |
817 | if (epoch > 0) { |
818 | return out.format(new Date(1000 * epoch)); | |
819 | } | |
820 | ||
821 | try { | |
822 | Date dat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX") | |
823 | .parse(date.trim()); | |
824 | return out.format(dat); | |
1197ec1a | 825 | } catch (Exception e) { |
b34d1f35 NR |
826 | return date; |
827 | } | |
27008a87 | 828 | } |
73785268 | 829 | } |