source: josm/trunk/src/org/openstreetmap/josm/io/MultiFetchServerObjectReader.java@ 12623

Last change on this file since 12623 was 12620, checked in by Don-vip, 7 years ago

see #15182 - deprecate all Main logging methods and introduce suitable replacements in Logging for most of them
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File size: 24.8 KB
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1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.io;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5import static org.openstreetmap.josm.tools.I18n.trn;
6
7import java.io.IOException;
8import java.io.InputStream;
9import java.net.HttpURLConnection;
10import java.util.ArrayList;
11import java.util.Collection;
12import java.util.Collections;
13import java.util.HashSet;
14import java.util.Iterator;
15import java.util.LinkedHashSet;
16import java.util.List;
17import java.util.Set;
18import java.util.concurrent.Callable;
19import java.util.concurrent.CompletionService;
20import java.util.concurrent.ExecutionException;
21import java.util.concurrent.ExecutorCompletionService;
22import java.util.concurrent.ExecutorService;
23import java.util.concurrent.Executors;
24import java.util.concurrent.Future;
25
26import org.openstreetmap.josm.Main;
27import org.openstreetmap.josm.data.osm.DataSet;
28import org.openstreetmap.josm.data.osm.DataSetMerger;
29import org.openstreetmap.josm.data.osm.Node;
30import org.openstreetmap.josm.data.osm.OsmPrimitive;
31import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
32import org.openstreetmap.josm.data.osm.PrimitiveId;
33import org.openstreetmap.josm.data.osm.Relation;
34import org.openstreetmap.josm.data.osm.RelationMember;
35import org.openstreetmap.josm.data.osm.SimplePrimitiveId;
36import org.openstreetmap.josm.data.osm.Way;
37import org.openstreetmap.josm.gui.preferences.server.OverpassServerPreference;
38import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
39import org.openstreetmap.josm.gui.progress.ProgressMonitor;
40import org.openstreetmap.josm.tools.Logging;
41import org.openstreetmap.josm.tools.Utils;
42
43/**
44 * Retrieves a set of {@link OsmPrimitive}s from an OSM server using the so called
45 * Multi Fetch API.
46 *
47 * Usage:
48 * <pre>
49 * MultiFetchServerObjectReader reader = MultiFetchServerObjectReader()
50 * .append(2345,2334,4444)
51 * .append(new Node(72343));
52 * reader.parseOsm();
53 * if (!reader.getMissingPrimitives().isEmpty()) {
54 * Logging.info("There are missing primitives: " + reader.getMissingPrimitives());
55 * }
56 * if (!reader.getSkippedWays().isEmpty()) {
57 * Logging.info("There are skipped ways: " + reader.getMissingPrimitives());
58 * }
59 * </pre>
60 */
61public class MultiFetchServerObjectReader extends OsmServerReader {
62 /**
63 * the max. number of primitives retrieved in one step. Assuming IDs with 7 digits,
64 * this leads to a max. request URL of ~ 1600 Bytes ((7 digits + 1 Separator) * 200),
65 * which should be safe according to the
66 * <a href="http://www.boutell.com/newfaq/misc/urllength.html">WWW FAQ</a>.
67 */
68 private static final int MAX_IDS_PER_REQUEST = 200;
69
70 private final Set<Long> nodes;
71 private final Set<Long> ways;
72 private final Set<Long> relations;
73 private Set<PrimitiveId> missingPrimitives;
74 private final DataSet outputDataSet;
75
76 /**
77 * Constructs a {@code MultiFetchServerObjectReader}.
78 */
79 protected MultiFetchServerObjectReader() {
80 nodes = new LinkedHashSet<>();
81 ways = new LinkedHashSet<>();
82 relations = new LinkedHashSet<>();
83 this.outputDataSet = new DataSet();
84 this.missingPrimitives = new LinkedHashSet<>();
85 }
86
87 /**
88 * Creates a new instance of {@link MultiFetchServerObjectReader} or {@link MultiFetchOverpassObjectReader}
89 * depending on the {@link OverpassServerPreference#useForMultiFetch preference}.
90 *
91 * @return a new instance
92 * @since 9241
93 */
94 public static MultiFetchServerObjectReader create() {
95 return create(OverpassServerPreference.useForMultiFetch());
96 }
97
98 /**
99 * Creates a new instance of {@link MultiFetchServerObjectReader} or {@link MultiFetchOverpassObjectReader}
100 * depending on the {@code fromMirror} parameter.
101 *
102 * @param fromMirror {@code false} for {@link MultiFetchServerObjectReader}, {@code true} for {@link MultiFetchOverpassObjectReader}
103 * @return a new instance
104 * @since 9241
105 */
106 static MultiFetchServerObjectReader create(final boolean fromMirror) {
107 if (fromMirror) {
108 return new MultiFetchOverpassObjectReader();
109 } else {
110 return new MultiFetchServerObjectReader();
111 }
112 }
113
114 /**
115 * Remembers an {@link OsmPrimitive}'s id. The id will
116 * later be fetched as part of a Multi Get request.
117 *
118 * Ignore the id if it represents a new primitives.
119 *
120 * @param id the id
121 */
122 protected void remember(PrimitiveId id) {
123 if (id.isNew()) return;
124 switch(id.getType()) {
125 case NODE: nodes.add(id.getUniqueId()); break;
126 case WAY: ways.add(id.getUniqueId()); break;
127 case RELATION: relations.add(id.getUniqueId()); break;
128 default: throw new AssertionError();
129 }
130 }
131
132 /**
133 * appends a {@link OsmPrimitive} id to the list of ids which will be fetched from the server.
134 *
135 * @param ds the {@link DataSet} to which the primitive belongs
136 * @param id the primitive id
137 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
138 * {@link OsmPrimitiveType#RELATION RELATION}
139 * @return this
140 */
141 public MultiFetchServerObjectReader append(DataSet ds, long id, OsmPrimitiveType type) {
142 OsmPrimitive p = ds.getPrimitiveById(id, type);
143 switch(type) {
144 case NODE:
145 return appendNode((Node) p);
146 case WAY:
147 return appendWay((Way) p);
148 case RELATION:
149 return appendRelation((Relation) p);
150 default:
151 return this;
152 }
153 }
154
155 /**
156 * appends a {@link Node} id to the list of ids which will be fetched from the server.
157 *
158 * @param node the node (ignored, if null)
159 * @return this
160 */
161 public MultiFetchServerObjectReader appendNode(Node node) {
162 if (node == null) return this;
163 remember(node.getPrimitiveId());
164 return this;
165 }
166
167 /**
168 * appends a {@link Way} id and the list of ids of nodes the way refers to the list of ids which will be fetched from the server.
169 *
170 * @param way the way (ignored, if null)
171 * @return this
172 */
173 public MultiFetchServerObjectReader appendWay(Way way) {
174 if (way == null) return this;
175 if (way.isNew()) return this;
176 for (Node node: !recursesDown() ? way.getNodes() : Collections.<Node>emptyList()) {
177 if (!node.isNew()) {
178 remember(node.getPrimitiveId());
179 }
180 }
181 remember(way.getPrimitiveId());
182 return this;
183 }
184
185 /**
186 * appends a {@link Relation} id to the list of ids which will be fetched from the server.
187 *
188 * @param relation the relation (ignored, if null)
189 * @return this
190 */
191 protected MultiFetchServerObjectReader appendRelation(Relation relation) {
192 if (relation == null) return this;
193 if (relation.isNew()) return this;
194 remember(relation.getPrimitiveId());
195 for (RelationMember member : !recursesDown() ? relation.getMembers() : Collections.<RelationMember>emptyList()) {
196 // avoid infinite recursion in case of cyclic dependencies in relations
197 if (OsmPrimitiveType.from(member.getMember()).equals(OsmPrimitiveType.RELATION)
198 && relations.contains(member.getMember().getId())) {
199 continue;
200 }
201 if (!member.getMember().isIncomplete()) {
202 append(member.getMember());
203 }
204 }
205 return this;
206 }
207
208 /**
209 * appends an {@link OsmPrimitive} to the list of ids which will be fetched from the server.
210 * @param primitive the primitive
211 * @return this
212 */
213 public MultiFetchServerObjectReader append(OsmPrimitive primitive) {
214 if (primitive instanceof Node) {
215 return appendNode((Node) primitive);
216 } else if (primitive instanceof Way) {
217 return appendWay((Way) primitive);
218 } else if (primitive instanceof Relation) {
219 return appendRelation((Relation) primitive);
220 }
221 return this;
222 }
223
224 /**
225 * appends a list of {@link OsmPrimitive} to the list of ids which will be fetched from the server.
226 *
227 * @param primitives the list of primitives (ignored, if null)
228 * @return this
229 *
230 * @see #append(OsmPrimitive)
231 */
232 public MultiFetchServerObjectReader append(Collection<? extends OsmPrimitive> primitives) {
233 if (primitives == null) return this;
234 for (OsmPrimitive primitive : primitives) {
235 append(primitive);
236 }
237 return this;
238 }
239
240 /**
241 * extracts a subset of max {@link #MAX_IDS_PER_REQUEST} ids from <code>ids</code> and
242 * replies the subset. The extracted subset is removed from <code>ids</code>.
243 *
244 * @param ids a set of ids
245 * @return the subset of ids
246 */
247 protected Set<Long> extractIdPackage(Set<Long> ids) {
248 Set<Long> pkg = new HashSet<>();
249 if (ids.isEmpty())
250 return pkg;
251 if (ids.size() > MAX_IDS_PER_REQUEST) {
252 Iterator<Long> it = ids.iterator();
253 for (int i = 0; i < MAX_IDS_PER_REQUEST; i++) {
254 pkg.add(it.next());
255 }
256 ids.removeAll(pkg);
257 } else {
258 pkg.addAll(ids);
259 ids.clear();
260 }
261 return pkg;
262 }
263
264 /**
265 * builds the Multi Get request string for a set of ids and a given {@link OsmPrimitiveType}.
266 *
267 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
268 * {@link OsmPrimitiveType#RELATION RELATION}
269 * @param idPackage the package of ids
270 * @return the request string
271 */
272 protected String buildRequestString(final OsmPrimitiveType type, Set<Long> idPackage) {
273 return type.getAPIName() + "s?" + type.getAPIName() + "s=" + Utils.join(",", idPackage);
274 }
275
276 protected void rememberNodesOfIncompleteWaysToLoad(DataSet from) {
277 for (Way w: from.getWays()) {
278 if (w.hasIncompleteNodes()) {
279 for (Node n: w.getNodes()) {
280 if (n.isIncomplete()) {
281 nodes.add(n.getId());
282 }
283 }
284 }
285 }
286 }
287
288 /**
289 * merges the dataset <code>from</code> to {@link #outputDataSet}.
290 *
291 * @param from the other dataset
292 */
293 protected void merge(DataSet from) {
294 final DataSetMerger visitor = new DataSetMerger(outputDataSet, from);
295 visitor.merge();
296 }
297
298 /**
299 * fetches a set of ids of a given {@link OsmPrimitiveType} from the server
300 *
301 * @param ids the set of ids
302 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
303 * {@link OsmPrimitiveType#RELATION RELATION}
304 * @param progressMonitor progress monitor
305 * @throws OsmTransferException if an error occurs while communicating with the API server
306 */
307 protected void fetchPrimitives(Set<Long> ids, OsmPrimitiveType type, ProgressMonitor progressMonitor) throws OsmTransferException {
308 String msg;
309 final String baseUrl = getBaseUrl();
310 switch (type) {
311 // CHECKSTYLE.OFF: SingleSpaceSeparator
312 case NODE: msg = tr("Fetching a package of nodes from ''{0}''", baseUrl); break;
313 case WAY: msg = tr("Fetching a package of ways from ''{0}''", baseUrl); break;
314 case RELATION: msg = tr("Fetching a package of relations from ''{0}''", baseUrl); break;
315 // CHECKSTYLE.ON: SingleSpaceSeparator
316 default: throw new AssertionError();
317 }
318 progressMonitor.setTicksCount(ids.size());
319 progressMonitor.setTicks(0);
320 // The complete set containing all primitives to fetch
321 Set<Long> toFetch = new HashSet<>(ids);
322 // Build a list of fetchers that will download smaller sets containing only MAX_IDS_PER_REQUEST (200) primitives each.
323 // we will run up to MAX_DOWNLOAD_THREADS concurrent fetchers.
324 int threadsNumber = Main.pref.getInteger("osm.download.threads", OsmApi.MAX_DOWNLOAD_THREADS);
325 threadsNumber = Utils.clamp(threadsNumber, 1, OsmApi.MAX_DOWNLOAD_THREADS);
326 final ExecutorService exec = Executors.newFixedThreadPool(
327 threadsNumber, Utils.newThreadFactory(getClass() + "-%d", Thread.NORM_PRIORITY));
328 CompletionService<FetchResult> ecs = new ExecutorCompletionService<>(exec);
329 List<Future<FetchResult>> jobs = new ArrayList<>();
330 while (!toFetch.isEmpty()) {
331 jobs.add(ecs.submit(new Fetcher(type, extractIdPackage(toFetch), progressMonitor)));
332 }
333 // Run the fetchers
334 for (int i = 0; i < jobs.size() && !isCanceled(); i++) {
335 progressMonitor.subTask(msg + "... " + progressMonitor.getTicks() + '/' + progressMonitor.getTicksCount());
336 try {
337 FetchResult result = ecs.take().get();
338 if (result.missingPrimitives != null) {
339 missingPrimitives.addAll(result.missingPrimitives);
340 }
341 if (result.dataSet != null && !isCanceled()) {
342 rememberNodesOfIncompleteWaysToLoad(result.dataSet);
343 merge(result.dataSet);
344 }
345 } catch (InterruptedException | ExecutionException e) {
346 Logging.error(e);
347 }
348 }
349 exec.shutdown();
350 // Cancel requests if the user chose to
351 if (isCanceled()) {
352 for (Future<FetchResult> job : jobs) {
353 job.cancel(true);
354 }
355 }
356 }
357
358 /**
359 * invokes one or more Multi Gets to fetch the {@link OsmPrimitive}s and replies
360 * the dataset of retrieved primitives. Note that the dataset includes non visible primitives too!
361 * In contrast to a simple Get for a node, a way, or a relation, a Multi Get always replies
362 * the latest version of the primitive (if any), even if the primitive is not visible (i.e. if
363 * visible==false).
364 *
365 * Invoke {@link #getMissingPrimitives()} to get a list of primitives which have not been
366 * found on the server (the server response code was 404)
367 *
368 * @return the parsed data
369 * @throws OsmTransferException if an error occurs while communicating with the API server
370 * @see #getMissingPrimitives()
371 *
372 */
373 @Override
374 public DataSet parseOsm(ProgressMonitor progressMonitor) throws OsmTransferException {
375 int n = nodes.size() + ways.size() + relations.size();
376 progressMonitor.beginTask(trn("Downloading {0} object from ''{1}''",
377 "Downloading {0} objects from ''{1}''", n, n, OsmApi.getOsmApi().getBaseUrl()));
378 try {
379 missingPrimitives = new HashSet<>();
380 if (isCanceled()) return null;
381 fetchPrimitives(ways, OsmPrimitiveType.WAY, progressMonitor);
382 if (isCanceled()) return null;
383 fetchPrimitives(nodes, OsmPrimitiveType.NODE, progressMonitor);
384 if (isCanceled()) return null;
385 fetchPrimitives(relations, OsmPrimitiveType.RELATION, progressMonitor);
386 if (outputDataSet != null) {
387 outputDataSet.deleteInvisible();
388 }
389 return outputDataSet;
390 } finally {
391 progressMonitor.finishTask();
392 }
393 }
394
395 /**
396 * replies the set of ids of all primitives for which a fetch request to the
397 * server was submitted but which are not available from the server (the server
398 * replied a return code of 404)
399 *
400 * @return the set of ids of missing primitives
401 */
402 public Set<PrimitiveId> getMissingPrimitives() {
403 return missingPrimitives;
404 }
405
406 /**
407 * Whether this reader fetches nodes when loading ways, or members when loading relations.
408 *
409 * @return {@code true} if the reader recurses down
410 */
411 protected boolean recursesDown() {
412 return false;
413 }
414
415 /**
416 * The class holding the results given by {@link Fetcher}.
417 * It is only a wrapper of the resulting {@link DataSet} and the collection of {@link PrimitiveId} that could not have been loaded.
418 */
419 protected static class FetchResult {
420
421 /**
422 * The resulting data set
423 */
424 public final DataSet dataSet;
425
426 /**
427 * The collection of primitive ids that could not have been loaded
428 */
429 public final Set<PrimitiveId> missingPrimitives;
430
431 /**
432 * Constructs a {@code FetchResult}
433 * @param dataSet The resulting data set
434 * @param missingPrimitives The collection of primitive ids that could not have been loaded
435 */
436 public FetchResult(DataSet dataSet, Set<PrimitiveId> missingPrimitives) {
437 this.dataSet = dataSet;
438 this.missingPrimitives = missingPrimitives;
439 }
440 }
441
442 /**
443 * The class that actually download data from OSM API.
444 * Several instances of this class are used by {@link MultiFetchServerObjectReader} (one per set of primitives to fetch).
445 * The inheritance of {@link OsmServerReader} is only explained by the need to have a distinct OSM connection by {@code Fetcher} instance.
446 * @see FetchResult
447 */
448 protected class Fetcher extends OsmServerReader implements Callable<FetchResult> {
449
450 private final Set<Long> pkg;
451 private final OsmPrimitiveType type;
452 private final ProgressMonitor progressMonitor;
453
454 /**
455 * Constructs a {@code Fetcher}
456 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
457 * {@link OsmPrimitiveType#RELATION RELATION}
458 * @param idsPackage The set of primitives ids to fetch
459 * @param progressMonitor The progress monitor
460 */
461 public Fetcher(OsmPrimitiveType type, Set<Long> idsPackage, ProgressMonitor progressMonitor) {
462 this.pkg = idsPackage;
463 this.type = type;
464 this.progressMonitor = progressMonitor;
465 }
466
467 @Override
468 public DataSet parseOsm(ProgressMonitor progressMonitor) throws OsmTransferException {
469 // This method is implemented because of the OsmServerReader inheritance, but not used,
470 // as the main target of this class is the call() method.
471 return fetch(progressMonitor).dataSet;
472 }
473
474 @Override
475 public FetchResult call() throws Exception {
476 return fetch(progressMonitor);
477 }
478
479 /**
480 * fetches the requested primitives and updates the specified progress monitor.
481 * @param progressMonitor the progress monitor
482 * @return the {@link FetchResult} of this operation
483 * @throws OsmTransferException if an error occurs while communicating with the API server
484 */
485 protected FetchResult fetch(ProgressMonitor progressMonitor) throws OsmTransferException {
486 try {
487 return multiGetIdPackage(type, pkg, progressMonitor);
488 } catch (OsmApiException e) {
489 if (e.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) {
490 Logging.info(tr("Server replied with response code 404, retrying with an individual request for each object."));
491 return singleGetIdPackage(type, pkg, progressMonitor);
492 } else {
493 throw e;
494 }
495 }
496 }
497
498 @Override
499 protected String getBaseUrl() {
500 return MultiFetchServerObjectReader.this.getBaseUrl();
501 }
502
503 /**
504 * invokes a Multi Get for a set of ids and a given {@link OsmPrimitiveType}.
505 * The retrieved primitives are merged to {@link #outputDataSet}.
506 *
507 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
508 * {@link OsmPrimitiveType#RELATION RELATION}
509 * @param pkg the package of ids
510 * @param progressMonitor progress monitor
511 * @return the {@link FetchResult} of this operation
512 * @throws OsmTransferException if an error occurs while communicating with the API server
513 */
514 protected FetchResult multiGetIdPackage(OsmPrimitiveType type, Set<Long> pkg, ProgressMonitor progressMonitor)
515 throws OsmTransferException {
516 String request = buildRequestString(type, pkg);
517 FetchResult result = null;
518 try (InputStream in = getInputStream(request, NullProgressMonitor.INSTANCE)) {
519 if (in == null) return null;
520 progressMonitor.subTask(tr("Downloading OSM data..."));
521 try {
522 result = new FetchResult(OsmReader.parseDataSet(in, progressMonitor.createSubTaskMonitor(pkg.size(), false)), null);
523 } catch (IllegalDataException e) {
524 throw new OsmTransferException(e);
525 }
526 } catch (IOException ex) {
527 Logging.warn(ex);
528 }
529 return result;
530 }
531
532 /**
533 * invokes a Multi Get for a single id and a given {@link OsmPrimitiveType}.
534 * The retrieved primitive is merged to {@link #outputDataSet}.
535 *
536 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
537 * {@link OsmPrimitiveType#RELATION RELATION}
538 * @param id the id
539 * @param progressMonitor progress monitor
540 * @return the {@link DataSet} resulting of this operation
541 * @throws OsmTransferException if an error occurs while communicating with the API server
542 */
543 protected DataSet singleGetId(OsmPrimitiveType type, long id, ProgressMonitor progressMonitor) throws OsmTransferException {
544 String request = buildRequestString(type, Collections.singleton(id));
545 DataSet result = null;
546 try (InputStream in = getInputStream(request, NullProgressMonitor.INSTANCE)) {
547 if (in == null) return null;
548 progressMonitor.subTask(tr("Downloading OSM data..."));
549 try {
550 result = OsmReader.parseDataSet(in, progressMonitor.createSubTaskMonitor(1, false));
551 } catch (IllegalDataException e) {
552 throw new OsmTransferException(e);
553 }
554 } catch (IOException ex) {
555 Logging.warn(ex);
556 }
557 return result;
558 }
559
560 /**
561 * invokes a sequence of Multi Gets for individual ids in a set of ids and a given {@link OsmPrimitiveType}.
562 * The retrieved primitives are merged to {@link #outputDataSet}.
563 *
564 * This method is used if one of the ids in pkg doesn't exist (the server replies with return code 404).
565 * If the set is fetched with this method it is possible to find out which of the ids doesn't exist.
566 * Unfortunately, the server does not provide an error header or an error body for a 404 reply.
567 *
568 * @param type The primitive type. Must be one of {@link OsmPrimitiveType#NODE NODE}, {@link OsmPrimitiveType#WAY WAY},
569 * {@link OsmPrimitiveType#RELATION RELATION}
570 * @param pkg the set of ids
571 * @param progressMonitor progress monitor
572 * @return the {@link FetchResult} of this operation
573 * @throws OsmTransferException if an error occurs while communicating with the API server
574 */
575 protected FetchResult singleGetIdPackage(OsmPrimitiveType type, Set<Long> pkg, ProgressMonitor progressMonitor)
576 throws OsmTransferException {
577 FetchResult result = new FetchResult(new DataSet(), new HashSet<PrimitiveId>());
578 String baseUrl = OsmApi.getOsmApi().getBaseUrl();
579 for (long id : pkg) {
580 try {
581 String msg;
582 switch (type) {
583 // CHECKSTYLE.OFF: SingleSpaceSeparator
584 case NODE: msg = tr("Fetching node with id {0} from ''{1}''", id, baseUrl); break;
585 case WAY: msg = tr("Fetching way with id {0} from ''{1}''", id, baseUrl); break;
586 case RELATION: msg = tr("Fetching relation with id {0} from ''{1}''", id, baseUrl); break;
587 // CHECKSTYLE.ON: SingleSpaceSeparator
588 default: throw new AssertionError();
589 }
590 progressMonitor.setCustomText(msg);
591 result.dataSet.mergeFrom(singleGetId(type, id, progressMonitor));
592 } catch (OsmApiException e) {
593 if (e.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) {
594 Logging.info(tr("Server replied with response code 404 for id {0}. Skipping.", Long.toString(id)));
595 result.missingPrimitives.add(new SimplePrimitiveId(id, type));
596 } else {
597 throw e;
598 }
599 }
600 }
601 return result;
602 }
603 }
604}
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