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.io.Serializable;
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5 | import java.util.ArrayList;
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6 | import java.util.List;
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7 | import java.util.regex.Matcher;
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8 | import java.util.regex.Pattern;
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9 |
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10 | public class SimplePrimitiveId implements PrimitiveId, Serializable {
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11 | private final long id;
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12 | private final OsmPrimitiveType type;
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13 |
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14 | public static final Pattern ID_PATTERN = Pattern.compile("((n(ode)?|w(ay)?|r(el(ation)?)?)/?)(\\d+)");
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15 |
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16 | public SimplePrimitiveId(long id, OsmPrimitiveType type) {
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17 | this.id = id;
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18 | this.type = type;
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19 | }
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20 |
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21 | @Override
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22 | public OsmPrimitiveType getType() {
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23 | return type;
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24 | }
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25 |
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26 | @Override
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27 | public long getUniqueId() {
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28 | return id;
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29 | }
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30 |
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31 | @Override
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32 | public boolean isNew() {
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33 | return id <= 0;
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34 | }
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35 |
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36 | @Override
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37 | public int hashCode() {
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38 | final int prime = 31;
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39 | int result = 1;
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40 | result = prime * result + (int) (id ^ (id >>> 32));
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41 | result = prime * result + ((type == null) ? 0 : type.hashCode());
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42 | return result;
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43 | }
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44 |
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45 | @Override
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46 | public boolean equals(Object obj) {
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47 | if (this == obj)
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48 | return true;
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49 | if (obj == null)
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50 | return false;
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51 | if (getClass() != obj.getClass())
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52 | return false;
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53 | SimplePrimitiveId other = (SimplePrimitiveId) obj;
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54 | if (id != other.id)
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55 | return false;
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56 | if (type == null) {
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57 | if (other.type != null)
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58 | return false;
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59 | } else if (!type.equals(other.type))
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60 | return false;
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61 | return true;
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62 | }
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63 |
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64 | @Override
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65 | public String toString() {
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66 | return type + " " + id;
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67 | }
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68 |
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69 | /**
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70 | * Parses a {@code SimplePrimitiveId} from the string {@code s}.
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71 | * @param s the string to be parsed, e.g., {@code n1}, {@code node1},
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72 | * {@code w1}, {@code way1}, {@code r1}, {@code rel1}, {@code relation1}.
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73 | * @return the parsed {@code SimplePrimitiveId}
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74 | * @throws IllegalArgumentException if the string does not match the pattern
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75 | */
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76 | public static SimplePrimitiveId fromString(String s) {
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77 | final Matcher m = ID_PATTERN.matcher(s);
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78 | if (m.matches()) {
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79 | return new SimplePrimitiveId(Long.parseLong(m.group(m.groupCount())),
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80 | s.charAt(0) == 'n'
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81 | ? OsmPrimitiveType.NODE
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82 | : s.charAt(0) == 'w'
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83 | ? OsmPrimitiveType.WAY
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84 | : OsmPrimitiveType.RELATION);
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85 | } else {
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86 | throw new IllegalArgumentException("The string " + s + " does not match the pattern " + ID_PATTERN);
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87 | }
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88 | }
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89 |
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90 | /**
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91 | * Attempts to parse extract any primitive id from the string {@code s}.
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92 | * @param s the string to be parsed, e.g., {@code n1, w1}, {@code node1 and rel2}.
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93 | * @return the parsed list of {@code OsmPrimitiveType}s.
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94 | */
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95 | public static List<SimplePrimitiveId> fuzzyParse(String s) {
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96 | final ArrayList<SimplePrimitiveId> ids = new ArrayList<>();
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97 | final Matcher m = ID_PATTERN.matcher(s);
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98 | while (m.find()) {
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99 | final char firstChar = s.charAt(m.start());
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100 | ids.add(new SimplePrimitiveId(Long.parseLong(m.group(m.groupCount())),
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101 | firstChar == 'n'
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102 | ? OsmPrimitiveType.NODE
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103 | : firstChar == 'w'
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104 | ? OsmPrimitiveType.WAY
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105 | : OsmPrimitiveType.RELATION));
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106 | }
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107 | return ids;
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108 | }
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109 | }
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