1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.imagery;
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3 |
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4 | import java.io.File;
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5 | import java.lang.reflect.Constructor;
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6 | import java.lang.reflect.InvocationTargetException;
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7 | import java.util.Map;
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8 | import java.util.concurrent.ConcurrentHashMap;
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9 |
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10 | import org.apache.commons.jcs.access.behavior.ICacheAccess;
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11 | import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
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12 | import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener;
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13 | import org.openstreetmap.josm.Main;
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14 | import org.openstreetmap.josm.data.Version;
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15 | import org.openstreetmap.josm.data.cache.BufferedImageCacheEntry;
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16 | import org.openstreetmap.josm.data.preferences.StringProperty;
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17 |
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18 | /**
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19 | * TileLoaderFactory creating JCS cached TileLoaders
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20 | *
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21 | * @author Wiktor Niesiobędzki
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22 | * @since 8526
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23 | */
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24 | public class CachedTileLoaderFactory implements TileLoaderFactory {
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25 | /**
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26 | * Keeps the cache directory where
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27 | */
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28 | public static final StringProperty PROP_TILECACHE_DIR = getTileCacheDir();
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29 | private final ICacheAccess<String, BufferedImageCacheEntry> cache;
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30 | private Constructor<? extends TileLoader> tileLoaderConstructor;
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31 |
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32 | /**
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33 | * @param cache cache instance which will be used by tile loaders created by this tile loader
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34 | * @param tileLoaderClass tile loader class that will be created
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35 | *
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36 | */
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37 | public CachedTileLoaderFactory(ICacheAccess<String, BufferedImageCacheEntry> cache, Class<? extends TileLoader> tileLoaderClass) {
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38 | this.cache = cache;
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39 | try {
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40 | tileLoaderConstructor = tileLoaderClass.getConstructor(
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41 | TileLoaderListener.class,
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42 | ICacheAccess.class,
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43 | int.class,
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44 | int.class,
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45 | Map.class);
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46 | } catch (NoSuchMethodException | SecurityException e) {
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47 | Main.warn(e);
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48 | throw new RuntimeException(e);
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49 | }
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50 | }
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51 |
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52 | private static StringProperty getTileCacheDir() {
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53 | String defPath = null;
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54 | try {
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55 | defPath = new File(Main.pref.getCacheDirectory(), "tiles").getAbsolutePath();
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56 | } catch (SecurityException e) {
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57 | Main.warn(e);
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58 | }
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59 | return new StringProperty("imagery.generic.loader.cachedir", defPath);
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60 | }
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61 |
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62 | @Override
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63 | public TileLoader makeTileLoader(TileLoaderListener listener) {
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64 | return makeTileLoader(listener, null);
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65 | }
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66 |
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67 | @Override
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68 | public TileLoader makeTileLoader(TileLoaderListener listener, Map<String, String> inputHeaders) {
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69 | Map<String, String> headers = new ConcurrentHashMap<>();
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70 | headers.put("User-Agent", Version.getInstance().getFullAgentString());
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71 | headers.put("Accept", "text/html, image/png, image/jpeg, image/gif, */*");
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72 | if (inputHeaders != null)
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73 | headers.putAll(inputHeaders);
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74 |
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75 | return getLoader(listener, cache,
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76 | Main.pref.getInteger("socket.timeout.connect", 15) * 1000,
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77 | Main.pref.getInteger("socket.timeout.read", 30) * 1000,
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78 | headers);
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79 | }
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80 |
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81 | protected TileLoader getLoader(TileLoaderListener listener, ICacheAccess<String, BufferedImageCacheEntry> cache,
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82 | int connectTimeout, int readTimeout, Map<String, String> headers) {
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83 | try {
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84 | return tileLoaderConstructor.newInstance(
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85 | listener,
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86 | cache,
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87 | connectTimeout,
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88 | readTimeout,
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89 | headers);
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90 | } catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
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91 | Main.warn(e);
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92 | throw new RuntimeException(e);
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93 | }
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94 | }
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95 | }
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