1 package org.opentrafficsim.core.network.factory.xml.units;
2
3 import java.util.HashMap;
4 import java.util.Map;
5
6 import org.djunits.unit.PositionUnit;
7 import org.djunits.value.vdouble.scalar.Position;
8 import org.opentrafficsim.core.network.NetworkException;
9
10
11
12
13
14
15
16
17
18
19
20 public final class PositionUnits
21 {
22
23 public static final Map<String, PositionUnit> POSITION_UNITS = new HashMap<>();
24
25 static
26 {
27 POSITION_UNITS.put("mm", PositionUnit.MILLIMETER);
28 POSITION_UNITS.put("cm", PositionUnit.CENTIMETER);
29 POSITION_UNITS.put("dm", PositionUnit.DECIMETER);
30 POSITION_UNITS.put("dam", PositionUnit.DEKAMETER);
31 POSITION_UNITS.put("hm", PositionUnit.HECTOMETER);
32 POSITION_UNITS.put("m", PositionUnit.METER);
33 POSITION_UNITS.put("km", PositionUnit.KILOMETER);
34 POSITION_UNITS.put("mi", PositionUnit.MILE);
35 POSITION_UNITS.put("y", PositionUnit.YARD);
36 POSITION_UNITS.put("ft", PositionUnit.FOOT);
37 }
38
39
40 private PositionUnits()
41 {
42
43 }
44
45
46
47
48
49
50 public static String parsePositionUnit(final String s) throws NetworkException
51 {
52 String u = null;
53 for (String us : POSITION_UNITS.keySet())
54 {
55 if (s.toString().contains(us))
56 {
57 if (u == null || us.length() > u.length())
58 {
59 u = us;
60 }
61 }
62 }
63 if (u == null)
64 {
65 throw new NetworkException("Parsing network: cannot instantiate length unit in: " + s);
66 }
67 return u;
68 }
69
70
71
72
73
74
75 public static Position parsePosition(final String s) throws NetworkException
76 {
77 String us = parsePositionUnit(s);
78 PositionUnit u = POSITION_UNITS.get(us);
79 String sv = s.substring(0, s.indexOf(us));
80 try
81 {
82 double value = Double.parseDouble(sv);
83 return new Position(value, u);
84 }
85 catch (NumberFormatException nfe)
86 {
87 throw new NetworkException("Parsing network: cannot instantiate scalar: " + s, nfe);
88 }
89 }
90
91 }