001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.data.imagery; 003 004import java.io.File; 005import java.lang.reflect.Constructor; 006import java.lang.reflect.InvocationTargetException; 007import java.util.Map; 008import java.util.concurrent.ConcurrentHashMap; 009 010import org.apache.commons.jcs.access.behavior.ICacheAccess; 011import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader; 012import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener; 013import org.openstreetmap.josm.Main; 014import org.openstreetmap.josm.data.Version; 015import org.openstreetmap.josm.data.cache.BufferedImageCacheEntry; 016import org.openstreetmap.josm.data.preferences.StringProperty; 017 018/** 019 * TileLoaderFactory creating JCS cached TileLoaders 020 * 021 * @author Wiktor Niesiobędzki 022 * @since 8526 023 */ 024public class CachedTileLoaderFactory implements TileLoaderFactory { 025 /** 026 * Keeps the cache directory where 027 */ 028 public static final StringProperty PROP_TILECACHE_DIR = getTileCacheDir(); 029 private ICacheAccess<String, BufferedImageCacheEntry> cache; 030 private Constructor<? extends TileLoader> tileLoaderConstructor; 031 032 /** 033 * @param cache cache instance which will be used by tile loaders created by this tile loader 034 * @param tileLoaderClass tile loader class that will be created 035 * 036 */ 037 public CachedTileLoaderFactory(ICacheAccess<String, BufferedImageCacheEntry> cache, Class<? extends TileLoader> tileLoaderClass) { 038 this.cache = cache; 039 try { 040 tileLoaderConstructor = tileLoaderClass.getConstructor( 041 TileLoaderListener.class, 042 ICacheAccess.class, 043 int.class, 044 int.class, 045 Map.class); 046 } catch (NoSuchMethodException | SecurityException e) { 047 Main.warn(e); 048 throw new RuntimeException(e); 049 } 050 } 051 052 private static StringProperty getTileCacheDir() { 053 String defPath = null; 054 try { 055 defPath = new File(Main.pref.getCacheDirectory(), "tiles").getAbsolutePath(); 056 } catch (SecurityException e) { 057 Main.warn(e); 058 } 059 return new StringProperty("imagery.generic.loader.cachedir", defPath); 060 } 061 062 @Override 063 public TileLoader makeTileLoader(TileLoaderListener listener) { 064 return makeTileLoader(listener, null); 065 } 066 067 @Override 068 public TileLoader makeTileLoader(TileLoaderListener listener, Map<String, String> inputHeaders) { 069 Map<String, String> headers = new ConcurrentHashMap<>(); 070 headers.put("User-Agent", Version.getInstance().getFullAgentString()); 071 headers.put("Accept", "text/html, image/png, image/jpeg, image/gif, */*"); 072 if (inputHeaders != null) 073 headers.putAll(inputHeaders); 074 075 return getLoader(listener, cache, 076 Main.pref.getInteger("socket.timeout.connect", 15) * 1000, 077 Main.pref.getInteger("socket.timeout.read", 30) * 1000, 078 headers); 079 } 080 081 protected TileLoader getLoader(TileLoaderListener listener, ICacheAccess<String, BufferedImageCacheEntry> cache, 082 int connectTimeout, int readTimeout, Map<String, String> headers) { 083 try { 084 return tileLoaderConstructor.newInstance( 085 listener, 086 cache, 087 connectTimeout, 088 readTimeout, 089 headers); 090 } catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { 091 Main.warn(e); 092 throw new RuntimeException(e); 093 } 094 } 095}