1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.io;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.io.BufferedInputStream;
|
---|
7 | import java.io.BufferedReader;
|
---|
8 | import java.io.IOException;
|
---|
9 | import java.io.InputStream;
|
---|
10 | import java.io.InputStreamReader;
|
---|
11 | import java.io.StringReader;
|
---|
12 | import java.nio.charset.StandardCharsets;
|
---|
13 | import java.util.ArrayList;
|
---|
14 | import java.util.Arrays;
|
---|
15 | import java.util.List;
|
---|
16 | import java.util.Map;
|
---|
17 | import java.util.Objects;
|
---|
18 | import java.util.Optional;
|
---|
19 | import java.util.stream.Collectors;
|
---|
20 |
|
---|
21 | import javax.json.Json;
|
---|
22 | import javax.json.JsonArray;
|
---|
23 | import javax.json.JsonNumber;
|
---|
24 | import javax.json.JsonObject;
|
---|
25 | import javax.json.JsonString;
|
---|
26 | import javax.json.JsonValue;
|
---|
27 | import javax.json.stream.JsonParser;
|
---|
28 | import javax.json.stream.JsonParser.Event;
|
---|
29 | import javax.json.stream.JsonParsingException;
|
---|
30 |
|
---|
31 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
32 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
33 | import org.openstreetmap.josm.data.osm.BBox;
|
---|
34 | import org.openstreetmap.josm.data.osm.DataSet;
|
---|
35 | import org.openstreetmap.josm.data.osm.Node;
|
---|
36 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
37 | import org.openstreetmap.josm.data.osm.Relation;
|
---|
38 | import org.openstreetmap.josm.data.osm.RelationMember;
|
---|
39 | import org.openstreetmap.josm.data.osm.Tag;
|
---|
40 | import org.openstreetmap.josm.data.osm.TagCollection;
|
---|
41 | import org.openstreetmap.josm.data.osm.TagMap;
|
---|
42 | import org.openstreetmap.josm.data.osm.UploadPolicy;
|
---|
43 | import org.openstreetmap.josm.data.osm.Way;
|
---|
44 | import org.openstreetmap.josm.data.projection.Projection;
|
---|
45 | import org.openstreetmap.josm.data.projection.Projections;
|
---|
46 | import org.openstreetmap.josm.data.validation.TestError;
|
---|
47 | import org.openstreetmap.josm.data.validation.tests.DuplicateWay;
|
---|
48 | import org.openstreetmap.josm.gui.conflict.tags.TagConflictResolutionUtil;
|
---|
49 | import org.openstreetmap.josm.gui.conflict.tags.TagConflictResolverModel;
|
---|
50 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
|
---|
51 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
|
---|
52 | import org.openstreetmap.josm.tools.CheckParameterUtil;
|
---|
53 | import org.openstreetmap.josm.tools.Logging;
|
---|
54 | import org.openstreetmap.josm.tools.Utils;
|
---|
55 |
|
---|
56 | /**
|
---|
57 | * Reader that reads GeoJSON files. See <a href="https://tools.ietf.org/html/rfc7946">RFC7946</a> for more information.
|
---|
58 | * @since 15424
|
---|
59 | */
|
---|
60 | public class GeoJSONReader extends AbstractReader {
|
---|
61 |
|
---|
62 | private static final String CRS = "crs";
|
---|
63 | private static final String NAME = "name";
|
---|
64 | private static final String LINK = "link";
|
---|
65 | private static final String COORDINATES = "coordinates";
|
---|
66 | private static final String FEATURES = "features";
|
---|
67 | private static final String PROPERTIES = "properties";
|
---|
68 | private static final String GEOMETRY = "geometry";
|
---|
69 | private static final String TYPE = "type";
|
---|
70 | /** The record separator is 0x1E per RFC 7464 */
|
---|
71 | private static final byte RECORD_SEPARATOR_BYTE = 0x1E;
|
---|
72 | private Projection projection = Projections.getProjectionByCode("EPSG:4326"); // WGS 84
|
---|
73 |
|
---|
74 | GeoJSONReader() {
|
---|
75 | // Restricts visibility
|
---|
76 | }
|
---|
77 |
|
---|
78 | private void parse(final JsonParser parser) throws IllegalDataException {
|
---|
79 | while (parser.hasNext()) {
|
---|
80 | Event event = parser.next();
|
---|
81 | if (event == Event.START_OBJECT) {
|
---|
82 | parseRoot(parser.getObject());
|
---|
83 | }
|
---|
84 | }
|
---|
85 | parser.close();
|
---|
86 | }
|
---|
87 |
|
---|
88 | private void parseRoot(final JsonObject object) throws IllegalDataException {
|
---|
89 | parseCrs(object.getJsonObject(CRS));
|
---|
90 | switch (Optional.ofNullable(object.getJsonString(TYPE))
|
---|
91 | .orElseThrow(() -> new IllegalDataException("No type")).getString()) {
|
---|
92 | case "FeatureCollection":
|
---|
93 | JsonValue.ValueType valueType = object.get(FEATURES).getValueType();
|
---|
94 | CheckParameterUtil.ensureThat(valueType == JsonValue.ValueType.ARRAY, "features must be ARRAY, but is " + valueType);
|
---|
95 | parseFeatureCollection(object.getJsonArray(FEATURES));
|
---|
96 | break;
|
---|
97 | case "Feature":
|
---|
98 | parseFeature(object);
|
---|
99 | break;
|
---|
100 | case "GeometryCollection":
|
---|
101 | parseGeometryCollection(null, object);
|
---|
102 | break;
|
---|
103 | default:
|
---|
104 | parseGeometry(null, object);
|
---|
105 | }
|
---|
106 | }
|
---|
107 |
|
---|
108 | /**
|
---|
109 | * Parse CRS as per https://geojson.org/geojson-spec.html#coordinate-reference-system-objects.
|
---|
110 | * CRS are obsolete in RFC7946 but still allowed for interoperability with older applications.
|
---|
111 | * Only named CRS are supported.
|
---|
112 | *
|
---|
113 | * @param crs CRS JSON object
|
---|
114 | * @throws IllegalDataException in case of error
|
---|
115 | */
|
---|
116 | private void parseCrs(final JsonObject crs) throws IllegalDataException {
|
---|
117 | if (crs != null) {
|
---|
118 | // Inspired by https://github.com/JOSM/geojson/commit/f13ceed4645244612a63581c96e20da802779c56
|
---|
119 | JsonObject properties = crs.getJsonObject("properties");
|
---|
120 | if (properties != null) {
|
---|
121 | switch (crs.getString(TYPE)) {
|
---|
122 | case NAME:
|
---|
123 | String crsName = properties.getString(NAME);
|
---|
124 | if ("urn:ogc:def:crs:OGC:1.3:CRS84".equals(crsName)) {
|
---|
125 | // https://osgeo-org.atlassian.net/browse/GEOT-1710
|
---|
126 | crsName = "EPSG:4326";
|
---|
127 | } else if (crsName.startsWith("urn:ogc:def:crs:EPSG:")) {
|
---|
128 | crsName = crsName.replace("urn:ogc:def:crs:", "");
|
---|
129 | }
|
---|
130 | projection = Optional.ofNullable(Projections.getProjectionByCode(crsName))
|
---|
131 | .orElse(Projections.getProjectionByCode("EPSG:4326")); // WGS84
|
---|
132 | break;
|
---|
133 | case LINK: // Not supported (security risk)
|
---|
134 | default:
|
---|
135 | throw new IllegalDataException(crs.toString());
|
---|
136 | }
|
---|
137 | }
|
---|
138 | }
|
---|
139 | }
|
---|
140 |
|
---|
141 | private void parseFeatureCollection(final JsonArray features) {
|
---|
142 | for (JsonValue feature : features) {
|
---|
143 | if (feature instanceof JsonObject) {
|
---|
144 | parseFeature((JsonObject) feature);
|
---|
145 | }
|
---|
146 | }
|
---|
147 | }
|
---|
148 |
|
---|
149 | private void parseFeature(final JsonObject feature) {
|
---|
150 | JsonValue geometry = feature.get(GEOMETRY);
|
---|
151 | if (geometry != null && geometry.getValueType() == JsonValue.ValueType.OBJECT) {
|
---|
152 | parseGeometry(feature, geometry.asJsonObject());
|
---|
153 | } else {
|
---|
154 | JsonValue properties = feature.get(PROPERTIES);
|
---|
155 | if (properties != null && properties.getValueType() == JsonValue.ValueType.OBJECT) {
|
---|
156 | parseNonGeometryFeature(feature, properties.asJsonObject());
|
---|
157 | } else {
|
---|
158 | Logging.warn(tr("Relation/non-geometry feature without properties found: {0}", feature));
|
---|
159 | }
|
---|
160 | }
|
---|
161 | }
|
---|
162 |
|
---|
163 | private void parseNonGeometryFeature(final JsonObject feature, final JsonObject properties) {
|
---|
164 | // get relation type
|
---|
165 | JsonValue type = properties.get(TYPE);
|
---|
166 | if (type == null || properties.getValueType() == JsonValue.ValueType.STRING) {
|
---|
167 | Logging.warn(tr("Relation/non-geometry feature without type found: {0}", feature));
|
---|
168 | return;
|
---|
169 | }
|
---|
170 |
|
---|
171 | // create misc. non-geometry feature
|
---|
172 | final Relation relation = new Relation();
|
---|
173 | fillTagsFromFeature(feature, relation);
|
---|
174 | relation.put(TYPE, type.toString());
|
---|
175 | getDataSet().addPrimitive(relation);
|
---|
176 | }
|
---|
177 |
|
---|
178 | private void parseGeometryCollection(final JsonObject feature, final JsonObject geometry) {
|
---|
179 | for (JsonValue jsonValue : geometry.getJsonArray("geometries")) {
|
---|
180 | parseGeometry(feature, jsonValue.asJsonObject());
|
---|
181 | }
|
---|
182 | }
|
---|
183 |
|
---|
184 | private void parseGeometry(final JsonObject feature, final JsonObject geometry) {
|
---|
185 | if (geometry == null) {
|
---|
186 | parseNullGeometry(feature);
|
---|
187 | return;
|
---|
188 | }
|
---|
189 |
|
---|
190 | switch (geometry.getString(TYPE)) {
|
---|
191 | case "Point":
|
---|
192 | parsePoint(feature, geometry.getJsonArray(COORDINATES));
|
---|
193 | break;
|
---|
194 | case "MultiPoint":
|
---|
195 | parseMultiPoint(feature, geometry);
|
---|
196 | break;
|
---|
197 | case "LineString":
|
---|
198 | parseLineString(feature, geometry.getJsonArray(COORDINATES));
|
---|
199 | break;
|
---|
200 | case "MultiLineString":
|
---|
201 | parseMultiLineString(feature, geometry);
|
---|
202 | break;
|
---|
203 | case "Polygon":
|
---|
204 | parsePolygon(feature, geometry.getJsonArray(COORDINATES));
|
---|
205 | break;
|
---|
206 | case "MultiPolygon":
|
---|
207 | parseMultiPolygon(feature, geometry);
|
---|
208 | break;
|
---|
209 | case "GeometryCollection":
|
---|
210 | parseGeometryCollection(feature, geometry);
|
---|
211 | break;
|
---|
212 | default:
|
---|
213 | parseUnknown(geometry);
|
---|
214 | }
|
---|
215 | }
|
---|
216 |
|
---|
217 | private LatLon getLatLon(final JsonArray coordinates) {
|
---|
218 | return projection.eastNorth2latlon(new EastNorth(
|
---|
219 | parseCoordinate(coordinates.get(0)),
|
---|
220 | parseCoordinate(coordinates.get(1))));
|
---|
221 | }
|
---|
222 |
|
---|
223 | private static double parseCoordinate(JsonValue coordinate) {
|
---|
224 | if (coordinate instanceof JsonString) {
|
---|
225 | return Double.parseDouble(((JsonString) coordinate).getString());
|
---|
226 | } else if (coordinate instanceof JsonNumber) {
|
---|
227 | return ((JsonNumber) coordinate).doubleValue();
|
---|
228 | } else {
|
---|
229 | throw new IllegalArgumentException(Objects.toString(coordinate));
|
---|
230 | }
|
---|
231 | }
|
---|
232 |
|
---|
233 | private void parsePoint(final JsonObject feature, final JsonArray coordinates) {
|
---|
234 | fillTagsFromFeature(feature, createNode(getLatLon(coordinates)));
|
---|
235 | }
|
---|
236 |
|
---|
237 | private void parseMultiPoint(final JsonObject feature, final JsonObject geometry) {
|
---|
238 | for (JsonValue coordinate : geometry.getJsonArray(COORDINATES)) {
|
---|
239 | parsePoint(feature, coordinate.asJsonArray());
|
---|
240 | }
|
---|
241 | }
|
---|
242 |
|
---|
243 | private void parseLineString(final JsonObject feature, final JsonArray coordinates) {
|
---|
244 | if (!coordinates.isEmpty()) {
|
---|
245 | createWay(coordinates, false)
|
---|
246 | .ifPresent(way -> fillTagsFromFeature(feature, way));
|
---|
247 | }
|
---|
248 | }
|
---|
249 |
|
---|
250 | private void parseMultiLineString(final JsonObject feature, final JsonObject geometry) {
|
---|
251 | for (JsonValue coordinate : geometry.getJsonArray(COORDINATES)) {
|
---|
252 | parseLineString(feature, coordinate.asJsonArray());
|
---|
253 | }
|
---|
254 | }
|
---|
255 |
|
---|
256 | private void parsePolygon(final JsonObject feature, final JsonArray coordinates) {
|
---|
257 | final int size = coordinates.size();
|
---|
258 | if (size == 1) {
|
---|
259 | createWay(coordinates.getJsonArray(0), true)
|
---|
260 | .ifPresent(way -> fillTagsFromFeature(feature, way));
|
---|
261 | } else if (size > 1) {
|
---|
262 | // create multipolygon
|
---|
263 | final Relation multipolygon = new Relation();
|
---|
264 | createWay(coordinates.getJsonArray(0), true)
|
---|
265 | .ifPresent(way -> multipolygon.addMember(new RelationMember("outer", way)));
|
---|
266 |
|
---|
267 | for (JsonValue interiorRing : coordinates.subList(1, size)) {
|
---|
268 | createWay(interiorRing.asJsonArray(), true)
|
---|
269 | .ifPresent(way -> multipolygon.addMember(new RelationMember("inner", way)));
|
---|
270 | }
|
---|
271 |
|
---|
272 | fillTagsFromFeature(feature, multipolygon);
|
---|
273 | multipolygon.put(TYPE, "multipolygon");
|
---|
274 | getDataSet().addPrimitive(multipolygon);
|
---|
275 | }
|
---|
276 | }
|
---|
277 |
|
---|
278 | private void parseMultiPolygon(final JsonObject feature, final JsonObject geometry) {
|
---|
279 | for (JsonValue coordinate : geometry.getJsonArray(COORDINATES)) {
|
---|
280 | parsePolygon(feature, coordinate.asJsonArray());
|
---|
281 | }
|
---|
282 | }
|
---|
283 |
|
---|
284 | private Node createNode(final LatLon latlon) {
|
---|
285 | final List<Node> existingNodes = getDataSet().searchNodes(new BBox(latlon, latlon));
|
---|
286 | if (!existingNodes.isEmpty()) {
|
---|
287 | // reuse existing node, avoid multiple nodes on top of each other
|
---|
288 | return existingNodes.get(0);
|
---|
289 | }
|
---|
290 | final Node node = new Node(latlon);
|
---|
291 | getDataSet().addPrimitive(node);
|
---|
292 | return node;
|
---|
293 | }
|
---|
294 |
|
---|
295 | private Optional<Way> createWay(final JsonArray coordinates, final boolean autoClose) {
|
---|
296 | if (coordinates.isEmpty()) {
|
---|
297 | return Optional.empty();
|
---|
298 | }
|
---|
299 |
|
---|
300 | final List<LatLon> latlons = coordinates.stream()
|
---|
301 | .map(coordinate -> getLatLon(coordinate.asJsonArray()))
|
---|
302 | .collect(Collectors.toList());
|
---|
303 |
|
---|
304 | final int size = latlons.size();
|
---|
305 | final boolean doAutoclose;
|
---|
306 | if (size > 1) {
|
---|
307 | if (latlons.get(0).equals(latlons.get(size - 1))) {
|
---|
308 | doAutoclose = false; // already closed
|
---|
309 | } else {
|
---|
310 | doAutoclose = autoClose;
|
---|
311 | }
|
---|
312 | } else {
|
---|
313 | doAutoclose = false;
|
---|
314 | }
|
---|
315 |
|
---|
316 | final Way way = new Way();
|
---|
317 | getDataSet().addPrimitive(way);
|
---|
318 | final List<Node> rawNodes = latlons.stream().map(this::createNode).collect(Collectors.toList());
|
---|
319 | if (doAutoclose) {
|
---|
320 | rawNodes.add(rawNodes.get(0));
|
---|
321 | }
|
---|
322 | // see #19833: remove duplicated references to the same node
|
---|
323 | final List<Node> wayNodes = new ArrayList<>(rawNodes.size());
|
---|
324 | Node last = null;
|
---|
325 | for (Node curr : rawNodes) {
|
---|
326 | if (last != curr)
|
---|
327 | wayNodes.add(curr);
|
---|
328 | last = curr;
|
---|
329 | }
|
---|
330 | way.setNodes(wayNodes);
|
---|
331 |
|
---|
332 | return Optional.of(way);
|
---|
333 | }
|
---|
334 |
|
---|
335 | /**
|
---|
336 | * Merge existing tags in primitive (if any) with the values given in the GeoJSON feature.
|
---|
337 | * @param feature the GeoJSON feature
|
---|
338 | * @param primitive the OSM primitive
|
---|
339 | */
|
---|
340 | private static void fillTagsFromFeature(final JsonObject feature, final OsmPrimitive primitive) {
|
---|
341 | if (feature != null) {
|
---|
342 | TagCollection featureTags = getTags(feature);
|
---|
343 | primitive.setKeys(new TagMap(primitive.isTagged() ? mergeAllTagValues(primitive, featureTags) : featureTags));
|
---|
344 | }
|
---|
345 | }
|
---|
346 |
|
---|
347 | private static TagCollection mergeAllTagValues(final OsmPrimitive primitive, TagCollection featureTags) {
|
---|
348 | TagCollection tags = TagCollection.from(primitive).union(featureTags);
|
---|
349 | TagConflictResolutionUtil.applyAutomaticTagConflictResolution(tags);
|
---|
350 | TagConflictResolutionUtil.normalizeTagCollectionBeforeEditing(tags, Arrays.asList(primitive));
|
---|
351 | TagConflictResolverModel tagModel = new TagConflictResolverModel();
|
---|
352 | tagModel.populate(new TagCollection(tags), tags.getKeysWithMultipleValues());
|
---|
353 | tagModel.actOnDecisions((k, d) -> d.keepAll());
|
---|
354 | return tagModel.getAllResolutions();
|
---|
355 | }
|
---|
356 |
|
---|
357 | private static void parseUnknown(final JsonObject object) {
|
---|
358 | Logging.warn(tr("Unknown json object found {0}", object));
|
---|
359 | }
|
---|
360 |
|
---|
361 | private static void parseNullGeometry(JsonObject feature) {
|
---|
362 | Logging.warn(tr("Geometry of feature {0} is null", feature));
|
---|
363 | }
|
---|
364 |
|
---|
365 | private static TagCollection getTags(final JsonObject feature) {
|
---|
366 | final TagCollection tags = new TagCollection();
|
---|
367 |
|
---|
368 | if (feature.containsKey(PROPERTIES) && !feature.isNull(PROPERTIES)) {
|
---|
369 | JsonValue properties = feature.get(PROPERTIES);
|
---|
370 | if (properties != null && properties.getValueType() == JsonValue.ValueType.OBJECT) {
|
---|
371 | for (Map.Entry<String, JsonValue> stringJsonValueEntry : properties.asJsonObject().entrySet()) {
|
---|
372 | final JsonValue value = stringJsonValueEntry.getValue();
|
---|
373 |
|
---|
374 | if (value instanceof JsonString) {
|
---|
375 | tags.add(new Tag(stringJsonValueEntry.getKey(), ((JsonString) value).getString()));
|
---|
376 | } else if (value instanceof JsonObject) {
|
---|
377 | Logging.warn(
|
---|
378 | "The GeoJSON contains an object with property '" + stringJsonValueEntry.getKey()
|
---|
379 | + "' whose value has the unsupported type '" + value.getClass().getSimpleName()
|
---|
380 | + "'. That key-value pair is ignored!"
|
---|
381 | );
|
---|
382 | } else if (value.getValueType() != JsonValue.ValueType.NULL) {
|
---|
383 | tags.add(new Tag(stringJsonValueEntry.getKey(), value.toString()));
|
---|
384 | }
|
---|
385 | }
|
---|
386 | }
|
---|
387 | }
|
---|
388 | return tags;
|
---|
389 | }
|
---|
390 |
|
---|
391 | /**
|
---|
392 | * Check if the inputstream follows RFC 7464
|
---|
393 | * @param source The source to check (should be at the beginning)
|
---|
394 | * @return {@code true} if the initial character is {@link GeoJSONReader#RECORD_SEPARATOR_BYTE}.
|
---|
395 | */
|
---|
396 | private static boolean isLineDelimited(InputStream source) {
|
---|
397 | source.mark(2);
|
---|
398 | try {
|
---|
399 | int start = source.read();
|
---|
400 | if (RECORD_SEPARATOR_BYTE == start) {
|
---|
401 | return true;
|
---|
402 | }
|
---|
403 | source.reset();
|
---|
404 | } catch (IOException e) {
|
---|
405 | Logging.error(e);
|
---|
406 | }
|
---|
407 | return false;
|
---|
408 | }
|
---|
409 |
|
---|
410 | @Override
|
---|
411 | protected DataSet doParseDataSet(InputStream source, ProgressMonitor progressMonitor) throws IllegalDataException {
|
---|
412 | try (InputStream markSupported = source.markSupported() ? source : new BufferedInputStream(source)) {
|
---|
413 | ds.setUploadPolicy(UploadPolicy.DISCOURAGED);
|
---|
414 | if (isLineDelimited(markSupported)) {
|
---|
415 | try (BufferedReader reader = new BufferedReader(new InputStreamReader(markSupported, StandardCharsets.UTF_8))) {
|
---|
416 | String line;
|
---|
417 | String rs = new String(new byte[]{RECORD_SEPARATOR_BYTE}, StandardCharsets.US_ASCII);
|
---|
418 | while ((line = reader.readLine()) != null) {
|
---|
419 | line = Utils.strip(line, rs);
|
---|
420 | try (JsonParser parser = Json.createParser(new StringReader(line))) {
|
---|
421 | parse(parser);
|
---|
422 | }
|
---|
423 | }
|
---|
424 | }
|
---|
425 | } else {
|
---|
426 | try (JsonParser parser = Json.createParser(markSupported)) {
|
---|
427 | parse(parser);
|
---|
428 | }
|
---|
429 | }
|
---|
430 | mergeEqualMultipolygonWays();
|
---|
431 | } catch (IOException | IllegalArgumentException | JsonParsingException e) {
|
---|
432 | throw new IllegalDataException(e);
|
---|
433 | }
|
---|
434 | return getDataSet();
|
---|
435 | }
|
---|
436 |
|
---|
437 | /**
|
---|
438 | * Import may create duplicate ways were one is member of a multipolygon and untagged and the other is tagged.
|
---|
439 | * Try to merge them here.
|
---|
440 | */
|
---|
441 | private void mergeEqualMultipolygonWays() {
|
---|
442 | DuplicateWay test = new DuplicateWay();
|
---|
443 | test.startTest(null);
|
---|
444 | for (Way w: getDataSet().getWays()) {
|
---|
445 | test.visit(w);
|
---|
446 | }
|
---|
447 | test.endTest();
|
---|
448 |
|
---|
449 | if (test.getErrors().isEmpty())
|
---|
450 | return;
|
---|
451 |
|
---|
452 | for (TestError e : test.getErrors()) {
|
---|
453 | if (e.getPrimitives().size() == 2 && !e.isFixable()) {
|
---|
454 | List<Way> mpWays = new ArrayList<>();
|
---|
455 | Way replacement = null;
|
---|
456 | for (OsmPrimitive p : e.getPrimitives()) {
|
---|
457 | if (p.isTagged() && p.referrers(Relation.class).count() == 0)
|
---|
458 | replacement = (Way) p;
|
---|
459 | else if (p.referrers(Relation.class).anyMatch(Relation::isMultipolygon))
|
---|
460 | mpWays.add((Way) p);
|
---|
461 | }
|
---|
462 | if (replacement == null && mpWays.size() == 2) {
|
---|
463 | replacement = mpWays.remove(1);
|
---|
464 | }
|
---|
465 | if (replacement != null && mpWays.size() == 1) {
|
---|
466 | Way mpWay = mpWays.get(0);
|
---|
467 | for (Relation r : mpWay.referrers(Relation.class).filter(Relation::isMultipolygon)
|
---|
468 | .collect(Collectors.toList())) {
|
---|
469 | for (int i = 0; i < r.getMembersCount(); i++) {
|
---|
470 | if (r.getMember(i).getMember().equals(mpWay)) {
|
---|
471 | r.setMember(i, new RelationMember(r.getRole(i), replacement));
|
---|
472 | }
|
---|
473 | }
|
---|
474 | }
|
---|
475 | mpWay.setDeleted(true);
|
---|
476 | }
|
---|
477 | }
|
---|
478 | }
|
---|
479 | ds.cleanupDeletedPrimitives();
|
---|
480 | }
|
---|
481 |
|
---|
482 | /**
|
---|
483 | * Parse the given input source and return the dataset.
|
---|
484 | *
|
---|
485 | * @param source the source input stream. Must not be null.
|
---|
486 | * @param progressMonitor the progress monitor. If null, {@link NullProgressMonitor#INSTANCE} is assumed
|
---|
487 | * @return the dataset with the parsed data
|
---|
488 | * @throws IllegalDataException if an error was found while parsing the data from the source
|
---|
489 | * @throws IllegalArgumentException if source is null
|
---|
490 | */
|
---|
491 | public static DataSet parseDataSet(InputStream source, ProgressMonitor progressMonitor) throws IllegalDataException {
|
---|
492 | return new GeoJSONReader().doParseDataSet(source, progressMonitor);
|
---|
493 | }
|
---|
494 | }
|
---|