Android Open Source - aBusTripMK Open Street Map Tile Cache

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License

The source code is released under:

GNU General Public License

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Java Source Code

// Created by plusminus on 17:58:57 - 25.09.2008
package org.andnav.osm.views.util;
//  w w w  . j a  v a 2 s  .  co m
import org.andnav.osm.services.util.OpenStreetMapTile;
import org.andnav.osm.views.util.constants.OpenStreetMapViewConstants;

import android.graphics.Bitmap;

/**
 * 
 * @author Nicolas Gramlich
 *
 */
public class OpenStreetMapTileCache implements OpenStreetMapViewConstants {
        // ===========================================================
        // Constants
        // ===========================================================

        // ===========================================================
        // Fields
        // ===========================================================
        
        protected LRUMapTileCache mCachedTiles;

        // ===========================================================
        // Constructors
        // ===========================================================
        
        public OpenStreetMapTileCache() {
                this(CACHE_MAPTILECOUNT_DEFAULT);
        }
        
        /**
         * @param aMaximumCacheSize Maximum amount of MapTiles to be hold within.
         */
        public OpenStreetMapTileCache(final int aMaximumCacheSize){
                this.mCachedTiles = new LRUMapTileCache(aMaximumCacheSize);
        }

        // ===========================================================
        // Getter & Setter
        // ===========================================================
        
        public synchronized Bitmap getMapTile(final OpenStreetMapTile aTile) {
                return this.mCachedTiles.get(aTile);
        }

        public synchronized void putTile(final OpenStreetMapTile aTile, final Bitmap aImage) {
            if (aImage != null) {
            this.mCachedTiles.put(aTile, aImage);
        }
        }

        // ===========================================================
        // Methods from SuperClass/Interfaces
        // ===========================================================

        // ===========================================================
        // Methods
        // ===========================================================

        public boolean containsTile(final OpenStreetMapTile aTile) {
                return this.mCachedTiles.containsKey(aTile);
        }
        
        // ===========================================================
        // Inner and Anonymous Classes
        // ===========================================================
}

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