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1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io;
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3 |
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4 | import java.util.Set;
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5 | import java.util.function.Function;
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6 |
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7 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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8 | import org.openstreetmap.josm.gui.preferences.server.OverpassServerPreference;
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9 | import org.openstreetmap.josm.tools.Utils;
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10 |
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11 | /**
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12 | * Retrieves a set of {@link org.openstreetmap.josm.data.osm.OsmPrimitive}s from an Overpass API server.
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13 | *
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14 | * @since 9241
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15 | */
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16 | class MultiFetchOverpassObjectReader extends MultiFetchServerObjectReader {
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17 |
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18 | @Override
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19 | protected String buildRequestString(final OsmPrimitiveType type, Set<Long> idPackage) {
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20 | final Function<Long, Object> toOverpassExpression = x -> type.getAPIName() + '(' + x + ");>;";
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21 | final String query = '(' + Utils.join("", Utils.transform(idPackage, toOverpassExpression)) + ");out meta;";
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22 | return "interpreter?data=" + Utils.encodeUrl(query);
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23 | }
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24 |
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25 | @Override
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26 | protected String getBaseUrl() {
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27 | return OverpassServerPreference.getOverpassServer();
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28 | }
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29 |
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30 | @Override
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31 | protected boolean recursesDown() {
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32 | // see https://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL#Recurse_down_.28.3E.29 for documentation
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33 | // accomplished using >; in the query string above
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34 | return true;
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35 | }
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36 | }
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