Commit | Line | Data |
---|---|---|
e42573a0 | 1 | package be.nikiroo.fanfix.library; |
68e2c6d2 | 2 | |
68e2c6d2 NR |
3 | import java.io.File; |
4 | import java.io.IOException; | |
5 | import java.net.URL; | |
fd1d31c2 | 6 | import java.net.UnknownHostException; |
b459e462 | 7 | import java.util.LinkedHashMap; |
68e2c6d2 | 8 | import java.util.List; |
c1b93db3 | 9 | import java.util.Map; |
68e2c6d2 | 10 | |
e42573a0 | 11 | import be.nikiroo.fanfix.Instance; |
68e2c6d2 NR |
12 | import be.nikiroo.fanfix.data.MetaData; |
13 | import be.nikiroo.fanfix.data.Story; | |
14 | import be.nikiroo.fanfix.output.BasicOutput; | |
15 | import be.nikiroo.fanfix.output.BasicOutput.OutputType; | |
16 | import be.nikiroo.fanfix.supported.BasicSupport; | |
0ffa4754 | 17 | import be.nikiroo.fanfix.supported.SupportType; |
16a81ef7 | 18 | import be.nikiroo.utils.Image; |
68e2c6d2 | 19 | import be.nikiroo.utils.Progress; |
5f42f329 | 20 | import be.nikiroo.utils.StringUtils; |
68e2c6d2 NR |
21 | |
22 | /** | |
23 | * Manage a library of Stories: import, export, list, modify. | |
24 | * <p> | |
25 | * Each {@link Story} object will be associated with a (local to the library) | |
26 | * unique ID, the LUID, which will be used to identify the {@link Story}. | |
27 | * <p> | |
28 | * Most of the {@link BasicLibrary} functions work on a partial (cover | |
29 | * <b>MAY</b> not be included) {@link MetaData} object. | |
30 | * | |
31 | * @author niki | |
32 | */ | |
33 | abstract public class BasicLibrary { | |
e6249b0f NR |
34 | /** |
35 | * A {@link BasicLibrary} status. | |
36 | * | |
37 | * @author niki | |
38 | */ | |
39 | public enum Status { | |
0bb51c9c NR |
40 | /** The library is ready and r/w. */ |
41 | READ_WRITE, | |
42 | /** The library is ready, but read-only. */ | |
43 | READ_ONLY, | |
e6249b0f | 44 | /** You are not allowed to access this library. */ |
99206a39 | 45 | UNAUTHORIZED, |
c91f1830 NR |
46 | /** The library is invalid, and will never work as is. */ |
47 | INVALID, | |
48 | /** The library is currently out of commission, but may work later. */ | |
0bb51c9c NR |
49 | UNAVAILABLE; |
50 | ||
51 | /** | |
52 | * The library is available (you can query it). | |
53 | * <p> | |
54 | * It does <b>not</b> specify if it is read-only or not. | |
55 | * | |
56 | * @return TRUE if it is | |
57 | */ | |
58 | public boolean isReady() { | |
59 | return (this == READ_WRITE || this == READ_ONLY); | |
60 | } | |
61 | ||
62 | /** | |
63 | * This library can be modified (= you are allowed to modify it). | |
64 | * | |
65 | * @return TRUE if it is | |
66 | */ | |
67 | public boolean isWritable() { | |
68 | return (this == READ_WRITE); | |
69 | } | |
e6249b0f NR |
70 | } |
71 | ||
99ccbdf6 NR |
72 | /** |
73 | * Return a name for this library (the UI may display this). | |
74 | * <p> | |
75 | * Must not be NULL. | |
76 | * | |
77 | * @return the name, or an empty {@link String} if none | |
78 | */ | |
79 | public String getLibraryName() { | |
80 | return ""; | |
81 | } | |
82 | ||
e6249b0f NR |
83 | /** |
84 | * The library status. | |
85 | * | |
86 | * @return the current status | |
87 | */ | |
88 | public Status getStatus() { | |
0bb51c9c | 89 | return Status.READ_WRITE; |
e6249b0f NR |
90 | } |
91 | ||
68e2c6d2 NR |
92 | /** |
93 | * Retrieve the main {@link File} corresponding to the given {@link Story}, | |
94 | * which can be passed to an external reader or instance. | |
95 | * <p> | |
96 | * Do <b>NOT</b> alter this file. | |
97 | * | |
98 | * @param luid | |
dc919036 | 99 | * the Library UID of the story, can be NULL |
ff05b828 NR |
100 | * @param pg |
101 | * the optional {@link Progress} | |
68e2c6d2 NR |
102 | * |
103 | * @return the corresponding {@link Story} | |
0bb51c9c NR |
104 | * |
105 | * @throws IOException | |
106 | * in case of IOException | |
68e2c6d2 | 107 | */ |
0bb51c9c | 108 | public abstract File getFile(String luid, Progress pg) throws IOException; |
68e2c6d2 NR |
109 | |
110 | /** | |
111 | * Return the cover image associated to this story. | |
112 | * | |
113 | * @param luid | |
114 | * the Library UID of the story | |
115 | * | |
116 | * @return the cover image | |
0bb51c9c NR |
117 | * |
118 | * @throws IOException | |
119 | * in case of IOException | |
68e2c6d2 | 120 | */ |
0bb51c9c | 121 | public abstract Image getCover(String luid) throws IOException; |
68e2c6d2 | 122 | |
b459e462 NR |
123 | /** |
124 | * Retrieve the list of {@link MetaData} known by this {@link BasicLibrary} | |
125 | * in a easy-to-filter version. | |
126 | * | |
127 | * @param pg | |
128 | * the optional {@link Progress} | |
129 | * @return the list of {@link MetaData} as a {@link MetaResultList} you can | |
130 | * query | |
131 | * @throws IOException | |
132 | * in case of I/O eror | |
133 | */ | |
dc919036 | 134 | public MetaResultList getList(Progress pg) throws IOException { |
b459e462 NR |
135 | // TODO: ensure it is the main used interface |
136 | ||
1f2a7d5f NR |
137 | return new MetaResultList(getMetas(pg)); |
138 | } | |
dc919036 | 139 | |
b459e462 | 140 | // TODO: make something for (normal and custom) non-story covers |
dc919036 | 141 | |
14b57448 NR |
142 | /** |
143 | * Return the cover image associated to this source. | |
144 | * <p> | |
e1de8087 NR |
145 | * By default, return the custom cover if any, and if not, return the cover |
146 | * of the first story with this source. | |
14b57448 NR |
147 | * |
148 | * @param source | |
149 | * the source | |
150 | * | |
151 | * @return the cover image or NULL | |
0bb51c9c NR |
152 | * |
153 | * @throws IOException | |
154 | * in case of IOException | |
14b57448 | 155 | */ |
0bb51c9c | 156 | public Image getSourceCover(String source) throws IOException { |
e1de8087 NR |
157 | Image custom = getCustomSourceCover(source); |
158 | if (custom != null) { | |
159 | return custom; | |
160 | } | |
161 | ||
ef98466f | 162 | List<MetaData> metas = getList().filter(source, null, null); |
14b57448 NR |
163 | if (metas.size() > 0) { |
164 | return getCover(metas.get(0).getLuid()); | |
165 | } | |
166 | ||
167 | return null; | |
168 | } | |
169 | ||
3989dfc5 NR |
170 | /** |
171 | * Return the cover image associated to this author. | |
172 | * <p> | |
173 | * By default, return the custom cover if any, and if not, return the cover | |
174 | * of the first story with this author. | |
175 | * | |
176 | * @param author | |
177 | * the author | |
178 | * | |
179 | * @return the cover image or NULL | |
0bb51c9c NR |
180 | * |
181 | * @throws IOException | |
182 | * in case of IOException | |
3989dfc5 | 183 | */ |
0bb51c9c | 184 | public Image getAuthorCover(String author) throws IOException { |
3989dfc5 NR |
185 | Image custom = getCustomAuthorCover(author); |
186 | if (custom != null) { | |
187 | return custom; | |
188 | } | |
189 | ||
ef98466f | 190 | List<MetaData> metas = getList().filter(null, author, null); |
3989dfc5 NR |
191 | if (metas.size() > 0) { |
192 | return getCover(metas.get(0).getLuid()); | |
193 | } | |
194 | ||
195 | return null; | |
196 | } | |
197 | ||
e1de8087 NR |
198 | /** |
199 | * Return the custom cover image associated to this source. | |
200 | * <p> | |
201 | * By default, return NULL. | |
202 | * | |
203 | * @param source | |
204 | * the source to look for | |
205 | * | |
206 | * @return the custom cover or NULL if none | |
0bb51c9c NR |
207 | * |
208 | * @throws IOException | |
209 | * in case of IOException | |
e1de8087 | 210 | */ |
0c7a6637 NR |
211 | @SuppressWarnings("unused") |
212 | public Image getCustomSourceCover(String source) throws IOException { | |
e1de8087 NR |
213 | return null; |
214 | } | |
215 | ||
14b57448 | 216 | /** |
3989dfc5 NR |
217 | * Return the custom cover image associated to this author. |
218 | * <p> | |
219 | * By default, return NULL. | |
220 | * | |
221 | * @param author | |
222 | * the author to look for | |
223 | * | |
224 | * @return the custom cover or NULL if none | |
0bb51c9c NR |
225 | * |
226 | * @throws IOException | |
227 | * in case of IOException | |
3989dfc5 | 228 | */ |
0c7a6637 NR |
229 | @SuppressWarnings("unused") |
230 | public Image getCustomAuthorCover(String author) throws IOException { | |
3989dfc5 NR |
231 | return null; |
232 | } | |
233 | ||
234 | /** | |
235 | * Set the source cover to the given story cover. | |
14b57448 NR |
236 | * |
237 | * @param source | |
238 | * the source to change | |
239 | * @param luid | |
240 | * the story LUID | |
0bb51c9c NR |
241 | * |
242 | * @throws IOException | |
243 | * in case of IOException | |
14b57448 | 244 | */ |
0bb51c9c NR |
245 | public abstract void setSourceCover(String source, String luid) |
246 | throws IOException; | |
14b57448 | 247 | |
3989dfc5 NR |
248 | /** |
249 | * Set the author cover to the given story cover. | |
250 | * | |
d4449e96 | 251 | * @param author |
3989dfc5 NR |
252 | * the author to change |
253 | * @param luid | |
254 | * the story LUID | |
0bb51c9c NR |
255 | * |
256 | * @throws IOException | |
257 | * in case of IOException | |
3989dfc5 | 258 | */ |
0bb51c9c NR |
259 | public abstract void setAuthorCover(String author, String luid) |
260 | throws IOException; | |
3989dfc5 | 261 | |
68e2c6d2 NR |
262 | /** |
263 | * Return the list of stories (represented by their {@link MetaData}, which | |
264 | * <b>MAY</b> not have the cover included). | |
1f2a7d5f NR |
265 | * <p> |
266 | * The returned list <b>MUST</b> be a copy, not the original one. | |
68e2c6d2 NR |
267 | * |
268 | * @param pg | |
269 | * the optional {@link Progress} | |
270 | * | |
271 | * @return the list (can be empty but not NULL) | |
0bb51c9c NR |
272 | * |
273 | * @throws IOException | |
274 | * in case of IOException | |
68e2c6d2 | 275 | */ |
0bb51c9c | 276 | protected abstract List<MetaData> getMetas(Progress pg) throws IOException; |
68e2c6d2 NR |
277 | |
278 | /** | |
279 | * Invalidate the {@link Story} cache (when the content should be re-read | |
280 | * because it was changed). | |
281 | */ | |
c8d48938 NR |
282 | protected void invalidateInfo() { |
283 | invalidateInfo(null); | |
e272f05f NR |
284 | } |
285 | ||
286 | /** | |
efa3c511 NR |
287 | * Invalidate the {@link Story} cache (when the content is removed). |
288 | * <p> | |
289 | * All the cache can be deleted if NULL is passed as meta. | |
e272f05f NR |
290 | * |
291 | * @param luid | |
efa3c511 | 292 | * the LUID of the {@link Story} to clear from the cache, or NULL |
e272f05f NR |
293 | * for all stories |
294 | */ | |
c8d48938 | 295 | protected abstract void invalidateInfo(String luid); |
efa3c511 NR |
296 | |
297 | /** | |
298 | * Invalidate the {@link Story} cache (when the content has changed, but we | |
299 | * already have it) with the new given meta. | |
300 | * | |
301 | * @param meta | |
302 | * the {@link Story} to clear from the cache | |
0bb51c9c NR |
303 | * |
304 | * @throws IOException | |
305 | * in case of IOException | |
efa3c511 | 306 | */ |
0bb51c9c | 307 | protected abstract void updateInfo(MetaData meta) throws IOException; |
68e2c6d2 NR |
308 | |
309 | /** | |
310 | * Return the next LUID that can be used. | |
311 | * | |
312 | * @return the next luid | |
313 | */ | |
4536c5cf | 314 | protected abstract String getNextId(); |
68e2c6d2 NR |
315 | |
316 | /** | |
317 | * Delete the target {@link Story}. | |
318 | * | |
319 | * @param luid | |
320 | * the LUID of the {@link Story} | |
321 | * | |
322 | * @throws IOException | |
323 | * in case of I/O error or if the {@link Story} wa not found | |
324 | */ | |
325 | protected abstract void doDelete(String luid) throws IOException; | |
326 | ||
327 | /** | |
328 | * Actually save the story to the back-end. | |
329 | * | |
330 | * @param story | |
331 | * the {@link Story} to save | |
332 | * @param pg | |
333 | * the optional {@link Progress} | |
334 | * | |
335 | * @return the saved {@link Story} (which may have changed, especially | |
336 | * regarding the {@link MetaData}) | |
337 | * | |
338 | * @throws IOException | |
339 | * in case of I/O error | |
340 | */ | |
341 | protected abstract Story doSave(Story story, Progress pg) | |
342 | throws IOException; | |
343 | ||
344 | /** | |
e6249b0f | 345 | * Refresh the {@link BasicLibrary}, that is, make sure all metas are |
68e2c6d2 NR |
346 | * loaded. |
347 | * | |
68e2c6d2 NR |
348 | * @param pg |
349 | * the optional progress reporter | |
350 | */ | |
dc919036 | 351 | public void refresh(Progress pg) { |
0bb51c9c NR |
352 | try { |
353 | getMetas(pg); | |
354 | } catch (IOException e) { | |
355 | // We will let it fail later | |
356 | } | |
68e2c6d2 | 357 | } |
dc919036 | 358 | |
4452446c NR |
359 | /** |
360 | * Check if the {@link Story} denoted by this Library UID is present in the | |
541f433a | 361 | * cache (if we have no cache, we default to </tt>true</tt>). |
4452446c NR |
362 | * |
363 | * @param luid | |
364 | * the Library UID | |
365 | * | |
366 | * @return TRUE if it is | |
367 | */ | |
541f433a | 368 | public boolean isCached(@SuppressWarnings("unused") String luid) { |
4452446c NR |
369 | // By default, everything is cached |
370 | return true; | |
371 | } | |
dc919036 | 372 | |
4452446c NR |
373 | /** |
374 | * Clear the {@link Story} from the cache, if needed. | |
375 | * <p> | |
376 | * The next time we try to retrieve the {@link Story}, it may be required to | |
377 | * cache it again. | |
378 | * | |
379 | * @param luid | |
380 | * the story to clear | |
381 | * | |
382 | * @throws IOException | |
383 | * in case of I/O error | |
384 | */ | |
541f433a | 385 | @SuppressWarnings("unused") |
4452446c NR |
386 | public void clearFromCache(String luid) throws IOException { |
387 | // By default, this is a noop. | |
388 | } | |
68e2c6d2 NR |
389 | |
390 | /** | |
b459e462 NR |
391 | * @return the same as getList() |
392 | * @throws IOException | |
393 | * in case of I/O error | |
59819600 NR |
394 | * @deprecated please use {@link BasicLibrary#getList()} and |
395 | * {@link MetaResultList#getSources()} instead. | |
68e2c6d2 | 396 | */ |
59819600 | 397 | @Deprecated |
dc919036 | 398 | public List<String> getSources() throws IOException { |
59819600 | 399 | return getList().getSources(); |
68e2c6d2 NR |
400 | } |
401 | ||
c1b93db3 | 402 | /** |
b459e462 NR |
403 | * @return the same as getList() |
404 | * @throws IOException | |
405 | * in case of I/O error | |
59819600 NR |
406 | * @deprecated please use {@link BasicLibrary#getList()} and |
407 | * {@link MetaResultList#getSourcesGrouped()} instead. | |
c1b93db3 | 408 | */ |
59819600 | 409 | @Deprecated |
dc919036 | 410 | public Map<String, List<String>> getSourcesGrouped() throws IOException { |
59819600 | 411 | return getList().getSourcesGrouped(); |
c1b93db3 NR |
412 | } |
413 | ||
68e2c6d2 | 414 | /** |
b459e462 NR |
415 | * @return the same as getList() |
416 | * @throws IOException | |
417 | * in case of I/O error | |
59819600 NR |
418 | * @deprecated please use {@link BasicLibrary#getList()} and |
419 | * {@link MetaResultList#getAuthors()} instead. | |
68e2c6d2 | 420 | */ |
59819600 | 421 | @Deprecated |
dc919036 | 422 | public List<String> getAuthors() throws IOException { |
59819600 | 423 | return getList().getAuthors(); |
68e2c6d2 NR |
424 | } |
425 | ||
5f42f329 | 426 | /** |
b459e462 NR |
427 | * @return the same as getList() |
428 | * @throws IOException | |
429 | * in case of I/O error | |
59819600 NR |
430 | * @deprecated please use {@link BasicLibrary#getList()} and |
431 | * {@link MetaResultList#getAuthorsGrouped()} instead. | |
5f42f329 | 432 | */ |
b459e462 | 433 | @Deprecated |
0bb51c9c | 434 | public Map<String, List<String>> getAuthorsGrouped() throws IOException { |
59819600 | 435 | return getList().getAuthorsGrouped(); |
5f42f329 NR |
436 | } |
437 | ||
68e2c6d2 NR |
438 | /** |
439 | * List all the stories in the {@link BasicLibrary}. | |
440 | * <p> | |
3a0605e6 | 441 | * Cover images <b>MAYBE</b> not included. |
68e2c6d2 NR |
442 | * |
443 | * @return the stories | |
0bb51c9c NR |
444 | * |
445 | * @throws IOException | |
446 | * in case of IOException | |
68e2c6d2 | 447 | */ |
ef98466f NR |
448 | public MetaResultList getList() throws IOException { |
449 | return getList(null); | |
68e2c6d2 NR |
450 | } |
451 | ||
452 | /** | |
453 | * Retrieve a {@link MetaData} corresponding to the given {@link Story}, | |
454 | * cover image <b>MAY</b> not be included. | |
455 | * | |
456 | * @param luid | |
dc919036 | 457 | * the Library UID of the story, can be NULL |
68e2c6d2 | 458 | * |
dc919036 | 459 | * @return the corresponding {@link Story} or NULL if not found |
0bb51c9c NR |
460 | * |
461 | * @throws IOException | |
462 | * in case of IOException | |
68e2c6d2 | 463 | */ |
dc919036 | 464 | public MetaData getInfo(String luid) throws IOException { |
68e2c6d2 NR |
465 | if (luid != null) { |
466 | for (MetaData meta : getMetas(null)) { | |
467 | if (luid.equals(meta.getLuid())) { | |
468 | return meta; | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | return null; | |
474 | } | |
475 | ||
476 | /** | |
477 | * Retrieve a specific {@link Story}. | |
478 | * | |
479 | * @param luid | |
480 | * the Library UID of the story | |
481 | * @param pg | |
482 | * the optional progress reporter | |
483 | * | |
484 | * @return the corresponding {@link Story} or NULL if not found | |
0bb51c9c NR |
485 | * |
486 | * @throws IOException | |
487 | * in case of IOException | |
68e2c6d2 | 488 | */ |
59819600 | 489 | public Story getStory(String luid, Progress pg) throws IOException { |
60f72311 NR |
490 | Progress pgMetas = new Progress(); |
491 | Progress pgStory = new Progress(); | |
492 | if (pg != null) { | |
493 | pg.setMinMax(0, 100); | |
494 | pg.addProgress(pgMetas, 10); | |
495 | pg.addProgress(pgStory, 90); | |
496 | } | |
497 | ||
498 | MetaData meta = null; | |
499 | for (MetaData oneMeta : getMetas(pgMetas)) { | |
500 | if (oneMeta.getLuid().equals(luid)) { | |
501 | meta = oneMeta; | |
502 | break; | |
503 | } | |
504 | } | |
505 | ||
506 | pgMetas.done(); | |
507 | ||
508 | Story story = getStory(luid, meta, pgStory); | |
509 | pgStory.done(); | |
510 | ||
511 | return story; | |
512 | } | |
513 | ||
514 | /** | |
515 | * Retrieve a specific {@link Story}. | |
516 | * | |
517 | * @param luid | |
dc919036 NR |
518 | * the LUID of the story |
519 | * @param meta | |
60f72311 NR |
520 | * the meta of the story |
521 | * @param pg | |
522 | * the optional progress reporter | |
523 | * | |
524 | * @return the corresponding {@link Story} or NULL if not found | |
0bb51c9c NR |
525 | * |
526 | * @throws IOException | |
527 | * in case of IOException | |
60f72311 | 528 | */ |
dc919036 | 529 | public synchronized Story getStory(String luid, MetaData meta, Progress pg) |
0bb51c9c | 530 | throws IOException { |
60f72311 | 531 | |
68e2c6d2 NR |
532 | if (pg == null) { |
533 | pg = new Progress(); | |
534 | } | |
535 | ||
ff05b828 NR |
536 | Progress pgGet = new Progress(); |
537 | Progress pgProcess = new Progress(); | |
538 | ||
539 | pg.setMinMax(0, 2); | |
540 | pg.addProgress(pgGet, 1); | |
541 | pg.addProgress(pgProcess, 1); | |
542 | ||
68e2c6d2 | 543 | Story story = null; |
dc919036 NR |
544 | File file = null; |
545 | ||
546 | if (luid != null && meta != null) { | |
547 | file = getFile(luid, pgGet); | |
548 | } | |
549 | ||
60f72311 NR |
550 | pgGet.done(); |
551 | try { | |
dc919036 NR |
552 | if (file != null) { |
553 | SupportType type = SupportType.valueOfAllOkUC(meta.getType()); | |
554 | if (type == null) { | |
555 | throw new IOException("Unknown type: " + meta.getType()); | |
556 | } | |
557 | ||
558 | URL url = file.toURI().toURL(); | |
60f72311 NR |
559 | story = BasicSupport.getSupport(type, url) // |
560 | .process(pgProcess); | |
561 | ||
562 | // Because we do not want to clear the meta cache: | |
563 | meta.setCover(story.getMeta().getCover()); | |
564 | meta.setResume(story.getMeta().getResume()); | |
565 | story.setMeta(meta); | |
68e2c6d2 | 566 | } |
60f72311 | 567 | } catch (IOException e) { |
dc919036 NR |
568 | // We should not have not-supported files in the library |
569 | Instance.getInstance().getTraceHandler() | |
570 | .error(new IOException(String.format( | |
571 | "Cannot load file of type '%s' from library: %s", | |
572 | meta.getType(), file), e)); | |
60f72311 NR |
573 | } finally { |
574 | pgProcess.done(); | |
575 | pg.done(); | |
68e2c6d2 NR |
576 | } |
577 | ||
578 | return story; | |
579 | } | |
580 | ||
581 | /** | |
582 | * Import the {@link Story} at the given {@link URL} into the | |
583 | * {@link BasicLibrary}. | |
584 | * | |
585 | * @param url | |
586 | * the {@link URL} to import | |
587 | * @param pg | |
588 | * the optional progress reporter | |
589 | * | |
b6b65795 | 590 | * @return the imported Story {@link MetaData} |
68e2c6d2 | 591 | * |
fd1d31c2 NR |
592 | * @throws UnknownHostException |
593 | * if the host is not supported | |
68e2c6d2 NR |
594 | * @throws IOException |
595 | * in case of I/O error | |
596 | */ | |
b6b65795 | 597 | public MetaData imprt(URL url, Progress pg) throws IOException { |
cd1aa392 NR |
598 | return imprt(url, null, pg); |
599 | } | |
600 | ||
601 | /** | |
602 | * Import the {@link Story} at the given {@link URL} into the | |
603 | * {@link BasicLibrary}. | |
604 | * | |
605 | * @param url | |
606 | * the {@link URL} to import | |
607 | * @param luid | |
608 | * the LUID to use | |
609 | * @param pg | |
610 | * the optional progress reporter | |
611 | * | |
612 | * @return the imported Story {@link MetaData} | |
613 | * | |
614 | * @throws UnknownHostException | |
615 | * if the host is not supported | |
616 | * @throws IOException | |
617 | * in case of I/O error | |
618 | */ | |
619 | MetaData imprt(URL url, String luid, Progress pg) throws IOException { | |
9b863b20 NR |
620 | if (pg == null) |
621 | pg = new Progress(); | |
622 | ||
623 | pg.setMinMax(0, 1000); | |
624 | Progress pgProcess = new Progress(); | |
625 | Progress pgSave = new Progress(); | |
626 | pg.addProgress(pgProcess, 800); | |
627 | pg.addProgress(pgSave, 200); | |
628 | ||
68e2c6d2 NR |
629 | BasicSupport support = BasicSupport.getSupport(url); |
630 | if (support == null) { | |
fd1d31c2 | 631 | throw new UnknownHostException("" + url); |
68e2c6d2 NR |
632 | } |
633 | ||
cd1aa392 | 634 | Story story = save(support.process(pgProcess), luid, pgSave); |
9b863b20 NR |
635 | pg.done(); |
636 | ||
b6b65795 | 637 | return story.getMeta(); |
68e2c6d2 NR |
638 | } |
639 | ||
b89dfb6e NR |
640 | /** |
641 | * Import the story from one library to another, and keep the same LUID. | |
642 | * | |
643 | * @param other | |
644 | * the other library to import from | |
645 | * @param luid | |
646 | * the Library UID | |
647 | * @param pg | |
648 | * the optional progress reporter | |
649 | * | |
650 | * @throws IOException | |
651 | * in case of I/O error | |
652 | */ | |
653 | public void imprt(BasicLibrary other, String luid, Progress pg) | |
654 | throws IOException { | |
655 | Progress pgGetStory = new Progress(); | |
656 | Progress pgSave = new Progress(); | |
657 | if (pg == null) { | |
658 | pg = new Progress(); | |
659 | } | |
660 | ||
661 | pg.setMinMax(0, 2); | |
662 | pg.addProgress(pgGetStory, 1); | |
663 | pg.addProgress(pgSave, 1); | |
664 | ||
665 | Story story = other.getStory(luid, pgGetStory); | |
666 | if (story != null) { | |
667 | story = this.save(story, luid, pgSave); | |
668 | pg.done(); | |
669 | } else { | |
670 | pg.done(); | |
671 | throw new IOException("Cannot find story in Library: " + luid); | |
672 | } | |
673 | } | |
674 | ||
68e2c6d2 NR |
675 | /** |
676 | * Export the {@link Story} to the given target in the given format. | |
677 | * | |
678 | * @param luid | |
679 | * the {@link Story} ID | |
680 | * @param type | |
681 | * the {@link OutputType} to transform it to | |
682 | * @param target | |
683 | * the target to save to | |
684 | * @param pg | |
685 | * the optional progress reporter | |
686 | * | |
687 | * @return the saved resource (the main saved {@link File}) | |
688 | * | |
689 | * @throws IOException | |
690 | * in case of I/O error | |
691 | */ | |
692 | public File export(String luid, OutputType type, String target, Progress pg) | |
693 | throws IOException { | |
694 | Progress pgGetStory = new Progress(); | |
695 | Progress pgOut = new Progress(); | |
696 | if (pg != null) { | |
697 | pg.setMax(2); | |
698 | pg.addProgress(pgGetStory, 1); | |
699 | pg.addProgress(pgOut, 1); | |
700 | } | |
701 | ||
925298fd | 702 | BasicOutput out = BasicOutput.getOutput(type, false, false); |
68e2c6d2 NR |
703 | if (out == null) { |
704 | throw new IOException("Output type not supported: " + type); | |
705 | } | |
706 | ||
707 | Story story = getStory(luid, pgGetStory); | |
708 | if (story == null) { | |
709 | throw new IOException("Cannot find story to export: " + luid); | |
710 | } | |
711 | ||
712 | return out.process(story, target, pgOut); | |
713 | } | |
714 | ||
715 | /** | |
716 | * Save a {@link Story} to the {@link BasicLibrary}. | |
717 | * | |
718 | * @param story | |
719 | * the {@link Story} to save | |
720 | * @param pg | |
721 | * the optional progress reporter | |
722 | * | |
723 | * @return the same {@link Story}, whose LUID may have changed | |
724 | * | |
725 | * @throws IOException | |
726 | * in case of I/O error | |
727 | */ | |
728 | public Story save(Story story, Progress pg) throws IOException { | |
729 | return save(story, null, pg); | |
730 | } | |
731 | ||
732 | /** | |
733 | * Save a {@link Story} to the {@link BasicLibrary} -- the LUID <b>must</b> | |
734 | * be correct, or NULL to get the next free one. | |
735 | * <p> | |
736 | * Will override any previous {@link Story} with the same LUID. | |
737 | * | |
738 | * @param story | |
739 | * the {@link Story} to save | |
740 | * @param luid | |
741 | * the <b>correct</b> LUID or NULL to get the next free one | |
742 | * @param pg | |
743 | * the optional progress reporter | |
744 | * | |
745 | * @return the same {@link Story}, whose LUID may have changed | |
746 | * | |
747 | * @throws IOException | |
748 | * in case of I/O error | |
749 | */ | |
750 | public synchronized Story save(Story story, String luid, Progress pg) | |
751 | throws IOException { | |
3b039231 NR |
752 | if (pg == null) { |
753 | pg = new Progress(); | |
754 | } | |
dc919036 NR |
755 | |
756 | Instance.getInstance().getTraceHandler().trace( | |
757 | this.getClass().getSimpleName() + ": saving story " + luid); | |
9e2fad36 | 758 | |
68e2c6d2 NR |
759 | // Do not change the original metadata, but change the original story |
760 | MetaData meta = story.getMeta().clone(); | |
761 | story.setMeta(meta); | |
762 | ||
3b039231 | 763 | pg.setName("Saving story"); |
dc919036 | 764 | |
68e2c6d2 | 765 | if (luid == null || luid.isEmpty()) { |
4536c5cf | 766 | meta.setLuid(getNextId()); |
68e2c6d2 NR |
767 | } else { |
768 | meta.setLuid(luid); | |
769 | } | |
770 | ||
e272f05f | 771 | if (luid != null && getInfo(luid) != null) { |
68e2c6d2 NR |
772 | delete(luid); |
773 | } | |
14b57448 | 774 | |
efa3c511 | 775 | story = doSave(story, pg); |
0bf8264e | 776 | |
efa3c511 | 777 | updateInfo(story.getMeta()); |
68e2c6d2 | 778 | |
d66deb8d | 779 | Instance.getInstance().getTraceHandler() |
dc919036 NR |
780 | .trace(this.getClass().getSimpleName() + ": story saved (" |
781 | + luid + ")"); | |
9e2fad36 | 782 | |
3b039231 NR |
783 | pg.setName(meta.getTitle()); |
784 | pg.done(); | |
68e2c6d2 NR |
785 | return story; |
786 | } | |
787 | ||
788 | /** | |
789 | * Delete the given {@link Story} from this {@link BasicLibrary}. | |
790 | * | |
791 | * @param luid | |
792 | * the LUID of the target {@link Story} | |
793 | * | |
794 | * @throws IOException | |
795 | * in case of I/O error | |
796 | */ | |
797 | public synchronized void delete(String luid) throws IOException { | |
dc919036 NR |
798 | Instance.getInstance().getTraceHandler().trace( |
799 | this.getClass().getSimpleName() + ": deleting story " + luid); | |
9e2fad36 | 800 | |
68e2c6d2 | 801 | doDelete(luid); |
c8d48938 | 802 | invalidateInfo(luid); |
9e2fad36 | 803 | |
d66deb8d | 804 | Instance.getInstance().getTraceHandler() |
dc919036 NR |
805 | .trace(this.getClass().getSimpleName() + ": story deleted (" |
806 | + luid + ")"); | |
68e2c6d2 NR |
807 | } |
808 | ||
809 | /** | |
810 | * Change the type (source) of the given {@link Story}. | |
811 | * | |
812 | * @param luid | |
813 | * the {@link Story} LUID | |
814 | * @param newSource | |
815 | * the new source | |
816 | * @param pg | |
817 | * the optional progress reporter | |
818 | * | |
819 | * @throws IOException | |
820 | * in case of I/O error or if the {@link Story} was not found | |
821 | */ | |
822 | public synchronized void changeSource(String luid, String newSource, | |
823 | Progress pg) throws IOException { | |
824 | MetaData meta = getInfo(luid); | |
825 | if (meta == null) { | |
826 | throw new IOException("Story not found: " + luid); | |
827 | } | |
828 | ||
c8d48938 NR |
829 | changeSTA(luid, newSource, meta.getTitle(), meta.getAuthor(), pg); |
830 | } | |
831 | ||
832 | /** | |
833 | * Change the title (name) of the given {@link Story}. | |
834 | * | |
835 | * @param luid | |
836 | * the {@link Story} LUID | |
837 | * @param newTitle | |
838 | * the new title | |
839 | * @param pg | |
840 | * the optional progress reporter | |
841 | * | |
842 | * @throws IOException | |
843 | * in case of I/O error or if the {@link Story} was not found | |
844 | */ | |
845 | public synchronized void changeTitle(String luid, String newTitle, | |
846 | Progress pg) throws IOException { | |
847 | MetaData meta = getInfo(luid); | |
848 | if (meta == null) { | |
849 | throw new IOException("Story not found: " + luid); | |
850 | } | |
851 | ||
852 | changeSTA(luid, meta.getSource(), newTitle, meta.getAuthor(), pg); | |
853 | } | |
854 | ||
855 | /** | |
856 | * Change the author of the given {@link Story}. | |
857 | * | |
858 | * @param luid | |
859 | * the {@link Story} LUID | |
860 | * @param newAuthor | |
861 | * the new author | |
862 | * @param pg | |
863 | * the optional progress reporter | |
864 | * | |
865 | * @throws IOException | |
866 | * in case of I/O error or if the {@link Story} was not found | |
867 | */ | |
868 | public synchronized void changeAuthor(String luid, String newAuthor, | |
869 | Progress pg) throws IOException { | |
870 | MetaData meta = getInfo(luid); | |
871 | if (meta == null) { | |
872 | throw new IOException("Story not found: " + luid); | |
873 | } | |
874 | ||
875 | changeSTA(luid, meta.getSource(), meta.getTitle(), newAuthor, pg); | |
876 | } | |
877 | ||
878 | /** | |
879 | * Change the Source, Title and Author of the {@link Story} in one single | |
880 | * go. | |
881 | * | |
882 | * @param luid | |
883 | * the {@link Story} LUID | |
884 | * @param newSource | |
885 | * the new source | |
886 | * @param newTitle | |
887 | * the new title | |
888 | * @param newAuthor | |
889 | * the new author | |
890 | * @param pg | |
891 | * the optional progress reporter | |
892 | * | |
893 | * @throws IOException | |
894 | * in case of I/O error or if the {@link Story} was not found | |
895 | */ | |
896 | protected synchronized void changeSTA(String luid, String newSource, | |
897 | String newTitle, String newAuthor, Progress pg) throws IOException { | |
898 | MetaData meta = getInfo(luid); | |
899 | if (meta == null) { | |
900 | throw new IOException("Story not found: " + luid); | |
901 | } | |
902 | ||
68e2c6d2 | 903 | meta.setSource(newSource); |
c8d48938 NR |
904 | meta.setTitle(newTitle); |
905 | meta.setAuthor(newAuthor); | |
68e2c6d2 NR |
906 | saveMeta(meta, pg); |
907 | } | |
908 | ||
909 | /** | |
910 | * Save back the current state of the {@link MetaData} (LUID <b>MUST NOT</b> | |
911 | * change) for this {@link Story}. | |
912 | * <p> | |
913 | * By default, delete the old {@link Story} then recreate a new | |
914 | * {@link Story}. | |
915 | * <p> | |
c8d48938 | 916 | * Note that this behaviour can lead to data loss in case of problems! |
68e2c6d2 NR |
917 | * |
918 | * @param meta | |
919 | * the new {@link MetaData} (LUID <b>MUST NOT</b> change) | |
920 | * @param pg | |
921 | * the optional {@link Progress} | |
922 | * | |
923 | * @throws IOException | |
924 | * in case of I/O error or if the {@link Story} was not found | |
925 | */ | |
926 | protected synchronized void saveMeta(MetaData meta, Progress pg) | |
927 | throws IOException { | |
928 | if (pg == null) { | |
929 | pg = new Progress(); | |
930 | } | |
931 | ||
932 | Progress pgGet = new Progress(); | |
933 | Progress pgSet = new Progress(); | |
934 | pg.addProgress(pgGet, 50); | |
935 | pg.addProgress(pgSet, 50); | |
936 | ||
937 | Story story = getStory(meta.getLuid(), pgGet); | |
938 | if (story == null) { | |
939 | throw new IOException("Story not found: " + meta.getLuid()); | |
940 | } | |
941 | ||
c8d48938 | 942 | // TODO: this is not safe! |
68e2c6d2 | 943 | delete(meta.getLuid()); |
68e2c6d2 NR |
944 | story.setMeta(meta); |
945 | save(story, meta.getLuid(), pgSet); | |
946 | ||
947 | pg.done(); | |
948 | } | |
b459e462 NR |
949 | |
950 | /** | |
951 | * Describe a {@link Story} from its {@link MetaData} and return a list of | |
952 | * title/value that represent this {@link Story}. | |
953 | * | |
954 | * @param meta | |
955 | * the {@link MetaData} to represent | |
956 | * | |
957 | * @return the information, translated and sorted | |
958 | */ | |
959 | static public Map<String, String> getMetaDesc(MetaData meta) { | |
960 | Map<String, String> metaDesc = new LinkedHashMap<String, String>(); | |
961 | ||
962 | // TODO: i18n | |
963 | ||
964 | StringBuilder tags = new StringBuilder(); | |
965 | for (String tag : meta.getTags()) { | |
966 | if (tags.length() > 0) { | |
967 | tags.append(", "); | |
968 | } | |
969 | tags.append(tag); | |
970 | } | |
971 | ||
972 | // TODO: i18n | |
973 | metaDesc.put("Author", meta.getAuthor()); | |
974 | metaDesc.put("Published on", meta.getPublisher()); | |
975 | metaDesc.put("Publication date", meta.getDate()); | |
976 | metaDesc.put("Creation date", meta.getCreationDate()); | |
977 | String count = ""; | |
978 | if (meta.getWords() > 0) { | |
979 | count = StringUtils.formatNumber(meta.getWords()); | |
980 | } | |
981 | if (meta.isImageDocument()) { | |
982 | metaDesc.put("Number of images", count); | |
983 | } else { | |
984 | metaDesc.put("Number of words", count); | |
985 | } | |
986 | metaDesc.put("Source", meta.getSource()); | |
987 | metaDesc.put("Subject", meta.getSubject()); | |
988 | metaDesc.put("Language", meta.getLang()); | |
989 | metaDesc.put("Tags", tags.toString()); | |
990 | metaDesc.put("URL", meta.getUrl()); | |
991 | ||
992 | return metaDesc; | |
993 | } | |
68e2c6d2 | 994 | } |