private void extract(Path path) throws IOException {
Path pathWays = path.resolve(fileNamesWays);
Path pathNodeIds = path.resolve(fileNamesNodeIds);
InputStream input = StreamUtil.bufferedInputStream(pathWays.toFile());
OsmIterator osmIterator = OsmIoUtils.setupOsmIterator(input, inputFormat, false);
OutputStream outputNodeIds = StreamUtil.bufferedOutputStream(pathNodeIds.toFile());
IdListOutputStream idOutputNodeIds = new IdListOutputStream(outputNodeIds);
TLongSet nodeIdsSet = new TLongHashSet();
for (EntityContainer container : osmIterator) {
if (container.getType() != EntityType.Way) {
continue;
}
OsmWay way = (OsmWay) container.getEntity();
for (long id : OsmModelUtil.nodesAsList(way).toArray()) {
nodeIdsSet.add(id);
}
}
input.close();
long[] nodesIds = nodeIdsSet.toArray();
Arrays.sort(nodesIds);
for (long id : nodesIds) {
idOutputNodeIds.write(id);
}
idOutputNodeIds.close();
}
public void build(OsmIterator iterator) throws IOException {
graph = undirected ? new UndirectedGraph<Long>() : new Graph<Long>();
for (EntityContainer container : iterator) {
if (container.getType() != EntityType.Relation) {
continue;
}
OsmRelation relation = (OsmRelation) container.getEntity();
process(relation);
}
}
public static void main(String[] args)
throws IOException, ParserConfigurationException, SAXException {
String url =
"http://www.overpass-api.de/api/xapi?map?bbox=" + "13.465661,52.504055,13.469817,52.506204";
InputStream input = new URL(url).openStream();
OsmIterator iterator = new OsmXmlIterator(input, true);
OsmXmlOutputStream writer = new OsmXmlOutputStream(System.out, true);
for (EntityContainer container : iterator) {
if (container.getType() == EntityType.Node) {
writer.write((OsmNode) container.getEntity());
}
}
writer.complete();
}