001package org.openstreetmap.gui.jmapviewer.tilesources;
002
003import java.awt.Image;
004import java.io.ByteArrayInputStream;
005import java.io.IOException;
006
007import javax.imageio.ImageIO;
008import javax.xml.bind.DatatypeConverter;
009
010public class AbstractMapQuestTileSource extends AbstractOsmTileSource {
011
012    // MapQuest logo in base64: http://developer.mapquest.com/content/osm/mq_logo.png
013    private static final String LOGO_BASE64 = 
014            "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJl"+
015            "YWR5ccllPAAAAZtJREFUeNpi/P//P0PPcYf/DGSAEssDjIzdx+zJ0gwDLMQqVBWyZVAStGRgBMK33x8wnH62"+
016            "kngD+DmkGBwUshn42SXA/P8M/xg+/3rDcOPNPuIMMJeKAmv+8OMpw7ffHxikeLUZXBTzgez3DEzEGMDGzAmm"+
017            "jz5ewLDqWiHE6UwcDHxsYhAXsLPwMFhKxzIIccozPP18ieHhx3MMGsKOYP7td4fBzgUBN+ViBkeFLDD7zbf7"+
018            "DK++3WFgAMXC448X/uMDV17t+H/r7UEM8VNPl/8Hu0CGTx9s6tXXOxhEuJQYxLnVgK44w/Dzz1cGNWF7BlGg"+
019            "2KJLqQzCQBcxMbEw/P77g0FTxBkYJs8gXgCFKiMwOLbf6WDQF/djcFUqAvv33fdHYAM4WPjAFrz9/hAeLsef"+
020            "LALT4EBkhIYlMxMrAxerIJjNCdTExy4OZv/59xNnAKPEAh+bBNAQSMwKcsgAQ5odzBbilGNghcYE1pS4+14f"+
021            "MKq4GP79/w1OHCC/v/x6Exzv+x9MhbiOEeh3LAZQnBeYGCgEjJRmZ4AAAwCE6rplT3Ba/gAAAABJRU5ErkJg"+
022            "gg==";
023
024    protected static final String MAPQUEST_ATTRIBUTION = "Tiles Courtesy of MapQuest ";
025
026    protected static final String MAPQUEST_WEBSITE = "http://www.mapquest.com";
027
028    private static final int NUMBER_OF_SERVERS = 4;
029    
030    private int SERVER_NUM = 1;
031
032    public AbstractMapQuestTileSource(String name, String base_url) {
033        super(name, base_url);
034    }
035
036    @Override
037    public String getBaseUrl() {
038        String url = String.format(this.baseUrl, SERVER_NUM);
039        SERVER_NUM = (SERVER_NUM % NUMBER_OF_SERVERS) + 1;
040        return url;
041    }
042
043    @Override
044    public TileUpdate getTileUpdate() {
045        return TileUpdate.IfModifiedSince;
046    }
047
048    @Override
049    public Image getAttributionImage() {
050        try {
051            return ImageIO.read(new ByteArrayInputStream(DatatypeConverter.parseBase64Binary(LOGO_BASE64)));
052        } catch (IOException e) {
053            e.printStackTrace();
054            return null;
055        }
056    }
057
058    @Override
059    public String getAttributionImageURL() {
060        return MAPQUEST_WEBSITE;
061    }
062
063    /* (non-Javadoc)
064     * @see org.openstreetmap.gui.jmapviewer.tilesources.AbstractOsmTileSource#getTermsOfUseURL()
065     */
066    @Override
067    public String getTermsOfUseURL() {
068        return "http://developer.mapquest.com/web/products/open/map#terms";
069    }
070}