001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.data.imagery;
003
004import java.io.IOException;
005import java.util.Map;
006
007import org.apache.commons.jcs.access.behavior.ICacheAccess;
008import org.openstreetmap.gui.jmapviewer.Tile;
009import org.openstreetmap.gui.jmapviewer.interfaces.TileJob;
010import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener;
011import org.openstreetmap.josm.data.cache.BufferedImageCacheEntry;
012
013/**
014 * Tileloader for WMS based imagery. It is separate to use different ThreadPoolExecutor, as we want
015 * to define number of simultaneous downloads for WMS separately
016 *
017 * @author Wiktor Niesiobędzki
018 * @since 8526
019 */
020public class WMSCachedTileLoader extends TMSCachedTileLoader {
021
022    /**
023     * Creates a TileLoader with separate WMS downloader.
024     *
025     * @param listener that will be notified when tile is loaded
026     * @param cache reference
027     * @param connectTimeout to tile source
028     * @param readTimeout from tile source
029     * @param headers to be sent with requests
030     * @throws IOException when there is a problem creating cache repository
031     */
032    public WMSCachedTileLoader(TileLoaderListener listener, ICacheAccess<String, BufferedImageCacheEntry> cache,
033            int connectTimeout, int readTimeout, Map<String, String> headers) throws IOException {
034
035        super(listener, cache, connectTimeout, readTimeout, headers);
036        setDownloadExecutor(TMSCachedTileLoader.getNewThreadPoolExecutor("WMS-downloader-%d", THREAD_LIMIT.get()));
037    }
038
039    @Override
040    public TileJob createTileLoaderJob(Tile tile) {
041        return new WMSCachedTileLoaderJob(listener, tile, cache, connectTimeout, readTimeout, headers, getDownloadExecutor());
042    }
043}