Commit | Line | Data |
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a046fa49 NR |
1 | package be.nikiroo.jvcard.remote; |
2 | ||
3 | import java.io.File; | |
4 | import java.io.IOException; | |
5 | import java.net.ServerSocket; | |
6 | import java.net.Socket; | |
7 | import java.net.UnknownHostException; | |
0b6140e4 | 8 | import java.security.InvalidParameterException; |
a046fa49 | 9 | import java.util.Date; |
4298276a | 10 | import java.util.HashMap; |
a046fa49 NR |
11 | import java.util.LinkedList; |
12 | import java.util.List; | |
4298276a | 13 | import java.util.Map; |
a046fa49 NR |
14 | |
15 | import be.nikiroo.jvcard.Card; | |
0b6140e4 NR |
16 | import be.nikiroo.jvcard.Contact; |
17 | import be.nikiroo.jvcard.Data; | |
a046fa49 | 18 | import be.nikiroo.jvcard.parsers.Format; |
0b6140e4 | 19 | import be.nikiroo.jvcard.parsers.Vcard21Parser; |
59597d59 | 20 | import be.nikiroo.jvcard.remote.SimpleSocket.BlockAppendable; |
7da41ecd | 21 | import be.nikiroo.jvcard.resources.StringUtils; |
e119a1c1 NR |
22 | import be.nikiroo.jvcard.resources.bundles.RemoteBundle; |
23 | import be.nikiroo.jvcard.resources.enums.RemotingOption; | |
a046fa49 NR |
24 | |
25 | /** | |
26 | * This class implements a small server that can listen for requests to | |
27 | * synchronise, get and put {@link Card}s. | |
28 | * | |
29 | * <p> | |
30 | * It is <b>NOT</b> secured in any way (it even is nice enough to give you a | |
31 | * help message when you connect in raw mode via nc on how to use it), so do | |
32 | * <b>NOT</b> enable such a server to be accessible from internet. This is not | |
33 | * safe. Use a ssh/openssl tunnel or similar. | |
34 | * </p> | |
35 | * | |
36 | * @author niki | |
37 | * | |
38 | */ | |
39 | public class Server implements Runnable { | |
40 | private ServerSocket ss; | |
41 | private int port; | |
42 | private boolean stop; | |
43 | private File dataDir; | |
44 | ||
45 | private Object clientsLock = new Object(); | |
46 | private List<SimpleSocket> clients = new LinkedList<SimpleSocket>(); | |
47 | ||
0b6140e4 | 48 | private Object updateLock = new Object(); |
4298276a | 49 | private Map<File, Integer> updates = new HashMap<File, Integer>(); |
a046fa49 | 50 | |
a046fa49 | 51 | /** |
7da41ecd | 52 | * Create a new jVCard server on the given port. |
a046fa49 NR |
53 | * |
54 | * @param port | |
55 | * the port to run on | |
56 | * | |
57 | * @throws IOException | |
58 | * in case of IO error | |
59 | */ | |
60 | public Server(int port) throws IOException { | |
61 | this.port = port; | |
e119a1c1 | 62 | RemoteBundle bundle = new RemoteBundle(); |
a046fa49 | 63 | try { |
e119a1c1 | 64 | String dir = bundle.getString(RemotingOption.SERVER_DATA_PATH); |
a046fa49 NR |
65 | dataDir = new File(dir); |
66 | dataDir.mkdir(); | |
67 | ||
68 | if (!dataDir.exists()) { | |
69 | throw new IOException("Cannot open or create data store at: " | |
70 | + dataDir); | |
71 | } | |
72 | } catch (Exception e) { | |
73 | e.printStackTrace(); | |
74 | throw new IOException("Cannot open or create data store at: " | |
75 | + dataDir, e); | |
76 | } | |
77 | ||
78 | ss = new ServerSocket(port); | |
79 | } | |
80 | ||
81 | /** | |
82 | * Stop the server. It may take some time before returning, but will only | |
83 | * return when the server is actually stopped. | |
84 | */ | |
85 | public void stop() { | |
86 | stop = true; | |
87 | try { | |
88 | SimpleSocket c = new SimpleSocket(new Socket((String) null, port), | |
89 | "special STOP client"); | |
90 | c.open(true); | |
845fb1d7 | 91 | c.sendCommand(Command.STOP); |
a046fa49 NR |
92 | c.close(); |
93 | } catch (UnknownHostException e) { | |
94 | e.printStackTrace(); | |
95 | } catch (IOException e) { | |
96 | e.printStackTrace(); | |
97 | } | |
98 | ||
99 | if (clients.size() > 0) { | |
100 | try { | |
101 | Thread.sleep(100); | |
102 | } catch (InterruptedException e) { | |
103 | } | |
104 | ||
105 | if (clients.size() > 0) { | |
106 | synchronized (clientsLock) { | |
107 | for (SimpleSocket s : clients) { | |
108 | System.err | |
109 | .println("Forcefully closing client connection"); | |
110 | s.close(); | |
111 | } | |
112 | ||
113 | clients.clear(); | |
114 | } | |
115 | } | |
116 | } | |
117 | } | |
118 | ||
119 | @Override | |
120 | public void run() { | |
121 | while (!stop) { | |
122 | try { | |
123 | final Socket s = ss.accept(); | |
124 | // TODO: thread pool? | |
125 | new Thread(new Runnable() { | |
126 | @Override | |
127 | public void run() { | |
0b6140e4 NR |
128 | SimpleSocket ss = new SimpleSocket(s, "[request]"); |
129 | ||
130 | addClient(ss); | |
131 | try { | |
132 | ss.open(false); | |
133 | ||
134 | while (processCmd(ss)) | |
135 | ; | |
136 | ||
137 | } catch (IOException e) { | |
138 | e.printStackTrace(); | |
139 | } finally { | |
140 | ss.close(); | |
141 | } | |
142 | removeClient(ss); | |
a046fa49 NR |
143 | } |
144 | }).start(); | |
145 | } catch (IOException ioe) { | |
146 | ioe.printStackTrace(); | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | /** | |
152 | * Add a client to the current count. | |
153 | * | |
154 | * @return the client index number | |
155 | */ | |
156 | private void addClient(SimpleSocket s) { | |
157 | synchronized (clientsLock) { | |
158 | clients.add(s); | |
159 | } | |
160 | } | |
161 | ||
162 | /** | |
163 | * Remove a client from the current count. | |
164 | * | |
165 | * @param index | |
166 | * the client index number | |
167 | */ | |
168 | private void removeClient(SimpleSocket s) { | |
169 | synchronized (clientsLock) { | |
170 | clients.remove(s); | |
171 | } | |
172 | } | |
173 | ||
174 | /** | |
4298276a | 175 | * Process a first-level command. |
a046fa49 NR |
176 | * |
177 | * @param s | |
0b6140e4 NR |
178 | * the {@link SimpleSocket} from which to get the command to |
179 | * process | |
180 | * | |
181 | * @return TRUE if the client is ready for another command, FALSE when the | |
182 | * client exited | |
183 | * | |
184 | * @throws IOException | |
185 | * in case of IO error | |
a046fa49 | 186 | */ |
0b6140e4 | 187 | private boolean processCmd(SimpleSocket s) throws IOException { |
845fb1d7 NR |
188 | CommandInstance cmd = s.receiveCommand(); |
189 | Command command = cmd.getCommand(); | |
0b6140e4 | 190 | |
845fb1d7 | 191 | if (command == null) |
0b6140e4 NR |
192 | return false; |
193 | ||
194 | boolean clientContinue = true; | |
195 | ||
845fb1d7 | 196 | System.out.println(s + " -> " + command |
4298276a | 197 | + (cmd.getParam() == null ? "" : " " + cmd.getParam())); |
0b6140e4 | 198 | |
845fb1d7 | 199 | switch (command) { |
4298276a | 200 | case STOP: { |
0b6140e4 NR |
201 | clientContinue = false; |
202 | break; | |
4298276a NR |
203 | } |
204 | case VERSION: { | |
e4444b0b | 205 | s.sendLine("" + SimpleSocket.CURRENT_VERSION); |
0b6140e4 | 206 | break; |
4298276a NR |
207 | } |
208 | case TIME: { | |
0b6140e4 NR |
209 | s.sendLine(StringUtils.fromTime(new Date().getTime())); |
210 | break; | |
4298276a NR |
211 | } |
212 | case SELECT: { | |
213 | String name = cmd.getParam(); | |
214 | File file = new File(dataDir.getAbsolutePath() + File.separator | |
215 | + name); | |
216 | if (name == null || name.length() == 0 || !file.exists()) { | |
217 | System.err | |
218 | .println("SELECT: resource not found, closing connection: " | |
219 | + name); | |
220 | clientContinue = false; | |
221 | } else { | |
222 | synchronized (updateLock) { | |
223 | for (File f : updates.keySet()) { | |
224 | if (f.getCanonicalPath() | |
225 | .equals(file.getCanonicalPath())) { | |
226 | file = f; | |
227 | break; | |
228 | } | |
229 | } | |
230 | ||
231 | if (!updates.containsKey(file)) | |
232 | updates.put(file, 0); | |
233 | updates.put(file, updates.get(file) + 1); | |
234 | } | |
235 | ||
236 | synchronized (file) { | |
0b6140e4 | 237 | try { |
4298276a NR |
238 | s.sendLine(StringUtils.fromTime(file.lastModified())); |
239 | ||
240 | while (processLockedCmd(s, name)) | |
0b6140e4 | 241 | ; |
0b6140e4 NR |
242 | } catch (InvalidParameterException e) { |
243 | System.err | |
244 | .println("Unsupported command received from a client connection, closing it: " | |
845fb1d7 | 245 | + command + " (" + e.getMessage() + ")"); |
0b6140e4 NR |
246 | clientContinue = false; |
247 | } | |
a046fa49 | 248 | } |
4298276a NR |
249 | |
250 | synchronized (updateLock) { | |
251 | int num = updates.get(file) - 1; | |
252 | if (num == 0) { | |
253 | updates.remove(file); | |
254 | } else { | |
255 | updates.put(file, num); | |
256 | } | |
257 | } | |
a046fa49 | 258 | } |
0b6140e4 | 259 | break; |
4298276a | 260 | } |
845fb1d7 | 261 | case LIST_CARD: { |
0b6140e4 | 262 | for (File file : dataDir.listFiles()) { |
e4444b0b NR |
263 | if (cmd.getParam() == null |
264 | || cmd.getParam().length() == 0 | |
265 | || file.getName().toLowerCase() | |
266 | .contains(cmd.getParam().toLowerCase())) { | |
0b6140e4 NR |
267 | s.send(StringUtils.fromTime(file.lastModified()) + " " |
268 | + file.getName()); | |
269 | } | |
270 | } | |
271 | s.sendBlock(); | |
272 | break; | |
4298276a NR |
273 | } |
274 | case HELP: { | |
0b6140e4 NR |
275 | // TODO: i18n |
276 | s.send("The following commands are available:"); | |
277 | s.send("- TIME: get the server time"); | |
278 | s.send("- HELP: this help screen"); | |
e4444b0b NR |
279 | s.send("- LIST_CARD: list the available cards on this server"); |
280 | s.send("- VERSION/GET_*/PUT_*/POST_*/DELETE_*/STOP: TODO"); | |
0b6140e4 NR |
281 | s.sendBlock(); |
282 | break; | |
4298276a NR |
283 | } |
284 | default: { | |
285 | System.err | |
286 | .println("Unsupported command received from a client connection, closing it: " | |
845fb1d7 | 287 | + command); |
4298276a NR |
288 | clientContinue = false; |
289 | break; | |
290 | } | |
291 | } | |
292 | ||
293 | return clientContinue; | |
294 | } | |
295 | ||
296 | /** | |
297 | * Process a subcommand while protected for resource <tt>name</tt>. | |
298 | * | |
299 | * @param s | |
300 | * the {@link SimpleSocket} to process | |
301 | * | |
302 | * @param name | |
303 | * the resource that is protected (and to target) | |
304 | * | |
305 | * @return TRUE if the client is ready for another command, FALSE when the | |
306 | * client is done | |
307 | * | |
308 | * @throws IOException | |
309 | * in case of IO error | |
310 | * | |
311 | * @throw InvalidParameterException in case of invalid subcommand | |
312 | */ | |
313 | private boolean processLockedCmd(SimpleSocket s, String name) | |
314 | throws IOException { | |
845fb1d7 NR |
315 | CommandInstance cmd = s.receiveCommand(); |
316 | Command command = cmd.getCommand(); | |
4298276a | 317 | |
845fb1d7 | 318 | if (command == null) |
4298276a NR |
319 | return false; |
320 | ||
321 | boolean clientContinue = true; | |
322 | ||
845fb1d7 | 323 | System.out.println(s + " -> " + command); |
4298276a | 324 | |
845fb1d7 | 325 | switch (command) { |
4298276a | 326 | case GET_CARD: { |
59597d59 | 327 | sendCardBlock(s, name); |
4298276a NR |
328 | break; |
329 | } | |
330 | case POST_CARD: { | |
331 | s.sendLine(doPostCard(name, s.receiveBlock())); | |
332 | break; | |
333 | } | |
334 | case PUT_CARD: { | |
335 | File vcf = getFile(name); | |
336 | if (vcf == null) { | |
337 | System.err | |
338 | .println("Fail to update a card, file not available: " | |
339 | + name); | |
340 | clientContinue = false; | |
341 | } else { | |
342 | Card card = new Card(vcf, Format.VCard21); | |
343 | try { | |
344 | while (processContactCmd(s, card)) | |
345 | ; | |
346 | card.save(); | |
845fb1d7 | 347 | s.sendLine(StringUtils.fromTime(card.getLastModified())); |
4298276a NR |
348 | } catch (InvalidParameterException e) { |
349 | System.err | |
350 | .println("Unsupported command received from a client connection, closing it: " | |
845fb1d7 | 351 | + command + " (" + e.getMessage() + ")"); |
4298276a NR |
352 | clientContinue = false; |
353 | } | |
354 | } | |
355 | break; | |
356 | } | |
357 | case DELETE_CARD: { | |
358 | // TODO | |
0b6140e4 NR |
359 | System.err |
360 | .println("Unsupported command received from a client connection, closing it: " | |
845fb1d7 | 361 | + command); |
0b6140e4 NR |
362 | clientContinue = false; |
363 | break; | |
364 | } | |
4298276a NR |
365 | case SELECT: { |
366 | clientContinue = false; | |
367 | break; | |
368 | } | |
369 | default: { | |
e4444b0b NR |
370 | throw new InvalidParameterException("command invalid here: " |
371 | + command); | |
4298276a NR |
372 | } |
373 | } | |
0b6140e4 NR |
374 | |
375 | return clientContinue; | |
376 | } | |
377 | ||
378 | /** | |
379 | * Process a *_CONTACT subcommand. | |
380 | * | |
381 | * @param s | |
382 | * the {@link SimpleSocket} to process | |
383 | * @param card | |
384 | * the target {@link Card} | |
385 | * | |
386 | * @return TRUE if the client is ready for another command, FALSE when the | |
387 | * client is done | |
388 | * | |
389 | * @throws IOException | |
390 | * in case of IO error | |
391 | * | |
392 | * @throw InvalidParameterException in case of invalid subcommand | |
393 | */ | |
394 | private boolean processContactCmd(SimpleSocket s, Card card) | |
395 | throws IOException { | |
845fb1d7 NR |
396 | CommandInstance cmd = s.receiveCommand(); |
397 | Command command = cmd.getCommand(); | |
0b6140e4 | 398 | |
845fb1d7 | 399 | if (command == null) |
0b6140e4 NR |
400 | return false; |
401 | ||
402 | boolean clientContinue = true; | |
403 | ||
845fb1d7 | 404 | System.out.println(s + " -> " + command); |
0b6140e4 | 405 | |
845fb1d7 | 406 | switch (command) { |
0b6140e4 NR |
407 | case GET_CONTACT: { |
408 | Contact contact = card.getById(cmd.getParam()); | |
59597d59 NR |
409 | if (contact != null) { |
410 | BlockAppendable app = s.createBlockAppendable(); | |
411 | Vcard21Parser.write(app, contact, -1); | |
412 | app.close(); | |
413 | } else { | |
0b6140e4 | 414 | s.sendBlock(); |
59597d59 | 415 | } |
0b6140e4 NR |
416 | break; |
417 | } | |
418 | case POST_CONTACT: { | |
0b6140e4 NR |
419 | List<Contact> list = Vcard21Parser.parseContact(s.receiveBlock()); |
420 | if (list.size() > 0) { | |
e4444b0b NR |
421 | Contact newContact = list.get(0); |
422 | String uid = newContact.getPreferredDataValue("UID"); | |
423 | Contact oldContact = card.getById(uid); | |
424 | if (oldContact != null) | |
425 | oldContact.delete(); | |
426 | card.add(newContact); | |
0b6140e4 | 427 | } |
e4444b0b | 428 | |
0b6140e4 NR |
429 | break; |
430 | } | |
431 | case PUT_CONTACT: { | |
432 | String uid = cmd.getParam(); | |
433 | Contact contact = card.getById(uid); | |
434 | if (contact == null) { | |
435 | throw new InvalidParameterException( | |
436 | "Cannot find contact to modify for UID: " + uid); | |
437 | } | |
438 | while (processDataCmd(s, contact)) | |
439 | ; | |
440 | break; | |
441 | } | |
442 | case DELETE_CONTACT: { | |
443 | String uid = cmd.getParam(); | |
444 | Contact contact = card.getById(uid); | |
445 | if (contact == null) { | |
446 | throw new InvalidParameterException( | |
447 | "Cannot find contact to delete for UID: " + uid); | |
448 | } | |
449 | ||
450 | contact.delete(); | |
451 | break; | |
452 | } | |
845fb1d7 NR |
453 | case HASH_CONTACT: { |
454 | String uid = cmd.getParam(); | |
455 | Contact contact = card.getById(uid); | |
456 | ||
457 | if (contact == null) { | |
458 | s.sendBlock(); | |
459 | } else { | |
5ad0e17e | 460 | s.sendLine(contact.getContentState(true)); |
845fb1d7 NR |
461 | } |
462 | break; | |
463 | } | |
464 | case LIST_CONTACT: { | |
465 | for (Contact contact : card) { | |
e4444b0b NR |
466 | if (cmd.getParam() == null |
467 | || cmd.getParam().length() == 0 | |
468 | || (contact.getPreferredDataValue("FN") + contact | |
469 | .getPreferredDataValue("N")).toLowerCase() | |
470 | .contains(cmd.getParam().toLowerCase())) { | |
5ad0e17e NR |
471 | s.send(contact.getContentState(true) + " " |
472 | + contact.getId()); | |
e4444b0b | 473 | } |
845fb1d7 NR |
474 | } |
475 | s.sendBlock(); | |
476 | break; | |
477 | } | |
0b6140e4 NR |
478 | case PUT_CARD: { |
479 | clientContinue = false; | |
480 | break; | |
481 | } | |
482 | default: { | |
e4444b0b NR |
483 | throw new InvalidParameterException("command invalid here: " |
484 | + command); | |
0b6140e4 | 485 | } |
a046fa49 NR |
486 | } |
487 | ||
0b6140e4 NR |
488 | return clientContinue; |
489 | } | |
490 | ||
491 | /** | |
492 | * Process a *_DATA subcommand. | |
493 | * | |
494 | * @param s | |
495 | * the {@link SimpleSocket} to process | |
496 | * @param card | |
497 | * the target {@link Contact} | |
498 | * | |
499 | * @return TRUE if the client is ready for another command, FALSE when the | |
500 | * client is done | |
501 | * | |
502 | * @throws IOException | |
503 | * in case of IO error | |
504 | * | |
505 | * @throw InvalidParameterException in case of invalid subcommand | |
506 | */ | |
507 | private boolean processDataCmd(SimpleSocket s, Contact contact) | |
508 | throws IOException { | |
845fb1d7 NR |
509 | CommandInstance cmd = s.receiveCommand(); |
510 | Command command = cmd.getCommand(); | |
0b6140e4 | 511 | |
845fb1d7 | 512 | if (command == null) |
0b6140e4 NR |
513 | return false; |
514 | ||
515 | boolean clientContinue = true; | |
516 | ||
845fb1d7 | 517 | System.out.println(s + " -> " + command); |
0b6140e4 | 518 | |
845fb1d7 | 519 | switch (command) { |
0b6140e4 | 520 | case GET_DATA: { |
845fb1d7 NR |
521 | for (Data data : contact) { |
522 | if (data.getName().equals(cmd.getParam())) { | |
59597d59 NR |
523 | BlockAppendable app = s.createBlockAppendable(); |
524 | Vcard21Parser.write(app, data); | |
525 | // note: we do NOT close 'app', since it would send an EOB | |
845fb1d7 NR |
526 | } |
527 | } | |
528 | s.sendBlock(); | |
0b6140e4 NR |
529 | break; |
530 | } | |
531 | case POST_DATA: { | |
532 | String cstate = cmd.getParam(); | |
533 | Data data = null; | |
534 | for (Data d : contact) { | |
5ad0e17e | 535 | if (cstate.equals(d.getContentState(true))) |
0b6140e4 NR |
536 | data = d; |
537 | } | |
538 | ||
539 | if (data != null) | |
540 | data.delete(); | |
541 | List<Data> list = Vcard21Parser.parseData(s.receiveBlock()); | |
542 | if (list.size() > 0) { | |
543 | contact.add(list.get(0)); | |
544 | } | |
545 | break; | |
546 | } | |
547 | case DELETE_DATA: { | |
548 | String cstate = cmd.getParam(); | |
549 | Data data = null; | |
550 | for (Data d : contact) { | |
5ad0e17e | 551 | if (cstate.equals(d.getContentState(true))) |
0b6140e4 NR |
552 | data = d; |
553 | } | |
554 | ||
555 | if (data == null) { | |
556 | throw new InvalidParameterException( | |
557 | "Cannot find data to delete for content state: " | |
558 | + cstate); | |
559 | } | |
560 | ||
561 | contact.delete(); | |
562 | break; | |
563 | } | |
845fb1d7 NR |
564 | case HASH_DATA: { |
565 | for (Data data : contact) { | |
566 | if (data.getId().equals(cmd.getParam())) { | |
5ad0e17e | 567 | s.send(data.getContentState(true)); |
845fb1d7 NR |
568 | } |
569 | } | |
570 | s.sendBlock(); | |
571 | break; | |
572 | } | |
573 | case LIST_DATA: { | |
574 | for (Data data : contact) { | |
e4444b0b NR |
575 | if (cmd.getParam() == null |
576 | || cmd.getParam().length() == 0 | |
577 | || data.getName().toLowerCase() | |
578 | .contains(cmd.getParam().toLowerCase())) { | |
5ad0e17e | 579 | s.send(data.getContentState(true) + " " + data.getName()); |
e4444b0b | 580 | } |
845fb1d7 NR |
581 | } |
582 | s.sendBlock(); | |
583 | break; | |
584 | } | |
0b6140e4 NR |
585 | case PUT_CONTACT: { |
586 | clientContinue = false; | |
587 | break; | |
588 | } | |
589 | default: { | |
e4444b0b NR |
590 | throw new InvalidParameterException("command invalid here: " |
591 | + command); | |
0b6140e4 NR |
592 | } |
593 | } | |
594 | ||
595 | return clientContinue; | |
a046fa49 NR |
596 | } |
597 | ||
598 | /** | |
599 | * Return the serialised {@link Card} (with timestamp). | |
600 | * | |
601 | * @param name | |
602 | * the resource name to load | |
603 | * | |
604 | * @return the serialised data | |
605 | * | |
606 | * @throws IOException | |
607 | * in case of error | |
608 | */ | |
59597d59 | 609 | private void sendCardBlock(SimpleSocket s, String name) throws IOException { |
0b6140e4 | 610 | File vcf = getFile(name); |
59597d59 | 611 | BlockAppendable app = s.createBlockAppendable(); |
a046fa49 | 612 | |
0b6140e4 NR |
613 | if (vcf != null && vcf.exists()) { |
614 | Card card = new Card(vcf, Format.VCard21); | |
a046fa49 | 615 | |
e4444b0b | 616 | // timestamp + data |
59597d59 NR |
617 | app.append(StringUtils.fromTime(card.getLastModified()) + "\r\n"); |
618 | Vcard21Parser.write(app, card); | |
a046fa49 NR |
619 | } |
620 | ||
59597d59 | 621 | app.close(); |
a046fa49 NR |
622 | } |
623 | ||
624 | /** | |
625 | * Save the data to the new given resource. | |
626 | * | |
627 | * @param name | |
628 | * the resource name to save | |
629 | * @param data | |
630 | * the data to save | |
631 | * | |
cf77cb35 NR |
632 | * @return the date of last modification |
633 | * | |
a046fa49 NR |
634 | * @throws IOException |
635 | * in case of error | |
636 | */ | |
cf77cb35 NR |
637 | private String doPostCard(String name, List<String> data) |
638 | throws IOException { | |
a046fa49 | 639 | |
0b6140e4 NR |
640 | File vcf = getFile(name); |
641 | ||
642 | if (vcf != null) { | |
643 | Card card = new Card(Vcard21Parser.parseContact(data)); | |
a046fa49 | 644 | card.saveAs(vcf, Format.VCard21); |
cf77cb35 NR |
645 | |
646 | return StringUtils.fromTime(vcf.lastModified()); | |
a046fa49 | 647 | } |
cf77cb35 NR |
648 | |
649 | return ""; | |
a046fa49 | 650 | } |
0b6140e4 NR |
651 | |
652 | /** | |
653 | * Return the {@link File} corresponding to the given resource name. | |
654 | * | |
655 | * @param name | |
656 | * the resource name | |
657 | * | |
658 | * @return the corresponding {@link File} or NULL if the name was NULL or | |
659 | * empty | |
660 | */ | |
661 | private File getFile(String name) { | |
662 | if (name != null && name.length() > 0) { | |
663 | return new File(dataDir.getAbsolutePath() + File.separator + name); | |
664 | } | |
665 | ||
666 | return null; | |
667 | } | |
a046fa49 | 668 | } |