it.tidalwave.geo.viewer.spi.openstreetmap.OpenStreetMapTileProviderDescriptor Maven / Gradle / Ivy

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/***********************************************************************************************************************
 *
 * forceTen - open source geography
 * Copyright (C) 2007-2012 by Tidalwave s.a.s. (http://www.tidalwave.it)
 *
 ***********************************************************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 *
 ***********************************************************************************************************************
 *
 * WWW: http://forceten.tidalwave.it
 * SCM: https://bitbucket.org/tidalwave/forceten-src
 *
 **********************************************************************************************************************/
package it.tidalwave.geo.viewer.spi.openstreetmap;
    
import javax.annotation.Nonnegative;
import javax.annotation.Nonnull;
import java.util.Arrays;
import java.util.Collections;
import java.util.Locale;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import java.awt.Dimension;
import java.net.MalformedURLException;
import java.net.URL;
import org.openide.util.lookup.ServiceProvider;
import it.tidalwave.role.Displayable;
import it.tidalwave.geo.viewer.spi.TileProviderDescriptor;
import it.tidalwave.role.LocalizedDisplayable;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
@ServiceProvider(service=TileProviderDescriptor.class)
public class OpenStreetMapTileProviderDescriptor extends TileProviderDescriptor
  {
    private final static int MIN_ZOOM_LEVEL = 3;

    private final static int MAX_ZOOM_LEVEL = 17;

    private final static int TOP_ZOOM_LEVEL = 17;

    private final static int INITIAL_ZOOM_LEVEL = 13;

    private final static int TILE_SIZE = 256;

    private final static LocalizedDisplayable DISPLAYABLE = new LocalizedDisplayable()
      {
        @Override @Nonnull
        public String getDisplayName()
          {
            return getDisplayName(Locale.ENGLISH);
          }

        @Override @Nonnull
        public String getDisplayName (final @Nonnull Locale locale)
          {
            return "OpenStreetMap";
          }

        @Override @Nonnull
        public Map getDisplayNames()
          {
            return Collections.singletonMap(Locale.ENGLISH, getDisplayName());
          }

        @Override @Nonnull
        public SortedSet getLocales()
          {
            return new TreeSet(Arrays.asList(Locale.ENGLISH));
          }
      };

    @Override @Nonnull
    public Dimension getTileSize()
      {
        return new Dimension(TILE_SIZE, TILE_SIZE);
      }

    @Override @Nonnegative
    public int getLevelCount()
      {
        return 16;
      }

    @Override @Nonnegative
    public int getMinZoomLevel()
      {
        return MIN_ZOOM_LEVEL;
      }

    @Override @Nonnegative
    public int getMaxZoomLevel()
      {
        return MAX_ZOOM_LEVEL;
      }

    @Override @Nonnegative
    public int getTopZoomLevel()
      {
        return TOP_ZOOM_LEVEL;
      }

    @Override @Nonnegative
    public int getInitialZoomLevel()
      {
        return INITIAL_ZOOM_LEVEL;
      }

    @Override @Nonnull
    public HorizontalLayout getHorizontalLayout()
      {
        return HorizontalLayout.LEFT_TO_RIGHT;
      }

    @Override @Nonnull
    public VerticalLayout getVerticalLayout()
      {
        return VerticalLayout.BOTTOM_TO_TOP;
      }

    @Override @Nonnull
    public String getDataCacheName()
      {
        return "OSM";
      }

    @Override @Nonnull
    public URL getTileUrl (final @Nonnegative int level, final int column, final int row)
      throws MalformedURLException
      {
        return new URL(String.format("http://tile.openstreetmap.org/%d/%d/%d.png", level, column, row));
      }

    @Override @Nonnull
    protected Displayable getDisplayable()
      {
        return DISPLAYABLE;
      }
    
//        registerZoomLevel(ZoomLevel.STREET, 9);
//        registerZoomLevel(ZoomLevel.TOWN, 9);
//        registerZoomLevel(ZoomLevel.PROVINCE, 9);
//        registerZoomLevel(ZoomLevel.REGION, 10);
//        registerZoomLevel(ZoomLevel.COUNTRY, 12);
//        registerZoomLevel(ZoomLevel.CONTINENT, 13);
  }