1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.coor.conversion;
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3 |
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4 | import java.util.ArrayList;
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5 | import java.util.Collections;
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6 | import java.util.List;
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7 |
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8 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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9 |
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10 | /**
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11 | * Class that manages the available coordinate formats.
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12 | * @since 12735
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13 | */
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14 | public class CoordinateFormatManager {
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15 |
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16 | private final static List<ICoordinateFormat> formats = new ArrayList<>();
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17 |
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18 | static {
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19 | registerCoordinateFormat(DecimalDegreesCoordinateFormat.INSTANCE);
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20 | registerCoordinateFormat(DMSCoordinateFormat.INSTANCE);
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21 | registerCoordinateFormat(NauticalCoordinateFormat.INSTANCE);
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22 | registerCoordinateFormat(ProjectedCoordinateFormat.INSTANCE);
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23 | }
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24 |
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25 | /**
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26 | * Register a coordinate format.
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27 | * <p>
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28 | * It will be available as a choice in the preferences.
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29 | * @param format the coordinate format
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30 | */
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31 | public static void registerCoordinateFormat(ICoordinateFormat format) {
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32 | formats.add(format);
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33 | }
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34 |
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35 | /**
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36 | * Get the list of all registered coordinate formats.
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37 | * @return the list of all registered coordinate formats
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38 | */
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39 | public static List<ICoordinateFormat> getCoordinateFormats() {
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40 | return Collections.unmodifiableList(formats);
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41 | }
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42 |
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43 | private static volatile ICoordinateFormat defaultCoordinateFormat = DecimalDegreesCoordinateFormat.INSTANCE;
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44 |
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45 | /**
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46 | * Replies the default coordinate format to be use
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47 | *
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48 | * @return the default coordinate format
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49 | */
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50 | public static ICoordinateFormat getDefaultFormat() {
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51 | return defaultCoordinateFormat;
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52 | }
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53 |
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54 | /**
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55 | * Sets the default coordinate format
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56 | *
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57 | * @param format the default coordinate format
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58 | */
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59 | public static void setCoordinateFormat(ICoordinateFormat format) {
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60 | if (format != null) {
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61 | defaultCoordinateFormat = format;
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62 | }
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63 | }
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64 |
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65 | /**
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66 | * Get registered coordinate format by id
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67 | *
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68 | * @param id id of the coordinate format to get
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69 | * @return the registered {@link ICoordinateFormat} with given id, or <code>null</code>
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70 | * if no match is found
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71 | */
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72 | public static ICoordinateFormat getCoordinateFormat(String id) {
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73 | CheckParameterUtil.ensureParameterNotNull(id, "id");
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74 | return formats.stream().filter(format -> id.equals(format.getId())).findFirst().orElse(null);
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75 | }
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76 | }
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