1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.osm;
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3 |
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4 | import java.util.Arrays;
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5 | import java.util.HashSet;
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6 | import java.util.Locale;
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7 | import java.util.Map;
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8 | import java.util.Set;
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9 |
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10 | import org.openstreetmap.josm.data.coor.LatLon;
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11 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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12 | import org.openstreetmap.josm.tools.TextTagParser;
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13 |
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14 | public final class OsmUtils {
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15 |
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16 | private static final Set<String> TRUE_VALUES = new HashSet<>(Arrays
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17 | .asList("true", "yes", "1", "on"));
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18 | private static final Set<String> FALSE_VALUES = new HashSet<>(Arrays
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19 | .asList("false", "no", "0", "off"));
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20 | private static final Set<String> REVERSE_VALUES = new HashSet<>(Arrays
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21 | .asList("reverse", "-1"));
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22 |
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23 | public static final String trueval = "yes";
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24 | public static final String falseval = "no";
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25 | public static final String reverseval = "-1";
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26 |
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27 | private OsmUtils() {
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28 | // Hide default constructor for utils classes
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29 | }
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30 |
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31 | public static Boolean getOsmBoolean(String value) {
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32 | if (value == null) return null;
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33 | String lowerValue = value.toLowerCase(Locale.ENGLISH);
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34 | if (TRUE_VALUES.contains(lowerValue)) return Boolean.TRUE;
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35 | if (FALSE_VALUES.contains(lowerValue)) return Boolean.FALSE;
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36 | return null;
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37 | }
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38 |
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39 | public static String getNamedOsmBoolean(String value) {
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40 | Boolean res = getOsmBoolean(value);
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41 | return res == null ? value : (res ? trueval : falseval);
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42 | }
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43 |
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44 | public static boolean isReversed(String value) {
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45 | return REVERSE_VALUES.contains(value);
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46 | }
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47 |
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48 | public static boolean isTrue(String value) {
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49 | return TRUE_VALUES.contains(value);
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50 | }
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51 |
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52 | public static boolean isFalse(String value) {
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53 | return FALSE_VALUES.contains(value);
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54 | }
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55 |
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56 | /**
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57 | * Creates a new OSM primitive according to the given assertion. Originally written for unit tests,
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58 | * this can also be used in another places like validation of local MapCSS validator rules.
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59 | * @param assertion The assertion describing OSM primitive (ex: "way name=Foo railway=rail")
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60 | * @return a new OSM primitive according to the given assertion
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61 | * @throws IllegalArgumentException if assertion is null or if the primitive type cannot be deduced from it
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62 | * @since 7356
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63 | */
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64 | public static OsmPrimitive createPrimitive(String assertion) {
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65 | CheckParameterUtil.ensureParameterNotNull(assertion, "assertion");
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66 | final String[] x = assertion.split("\\s+", 2);
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67 | final OsmPrimitive p = "n".equals(x[0]) || "node".equals(x[0])
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68 | ? new Node(LatLon.ZERO)
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69 | : "w".equals(x[0]) || "way".equals(x[0]) || /*for MapCSS related usage*/ "area".equals(x[0])
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70 | ? new Way()
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71 | : "r".equals(x[0]) || "relation".equals(x[0])
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72 | ? new Relation()
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73 | : null;
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74 | if (p == null) {
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75 | throw new IllegalArgumentException("Expecting n/node/w/way/r/relation/area, but got '" + x[0] + '\'');
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76 | }
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77 | for (final Map.Entry<String, String> i : TextTagParser.readTagsFromText(x[1]).entrySet()) {
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78 | p.put(i.getKey(), i.getValue());
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79 | }
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80 | return p;
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81 | }
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82 | }
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