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