OpenStreetMapTileSource.java
- /*
- * *************************************************************************************************************************************************************
- *
- * MapView: a JavaFX map renderer for tile-based servers
- * http://tidalwave.it/projects/mapview
- *
- * Copyright (C) 2024 - 2025 by Tidalwave s.a.s. (http://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.
- *
- * *************************************************************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/mapview-src
- * git clone https://github.com/tidalwave-it/mapview-src
- *
- * *************************************************************************************************************************************************************
- */
- package it.tidalwave.mapviewer;
- import jakarta.annotation.Nonnull;
- import java.net.URI;
- import java.net.URISyntaxException;
- import it.tidalwave.mapviewer.spi.MercatorProjection;
- import it.tidalwave.mapviewer.spi.TileSourceSupport;
- import lombok.extern.slf4j.Slf4j;
- /***************************************************************************************************************************************************************
- *
- * The OpenStreetMap source of map tiles.
- *
- * @author Fabrizio Giudici
- *
- **************************************************************************************************************************************************************/
- @Slf4j
- public class OpenStreetMapTileSource extends TileSourceSupport
- {
- private static final int TILE_SIZE = 256;
- private static final int TOP_ZOOM_LEVEL = 19;
-
- private static final int DEFAULT_ZOOM_LEVEL = 9;
- /** The pattern, in {@link String#format(String, Object...)} syntax, of the URI. */
- @Nonnull
- protected final String pattern;
- /***********************************************************************************************************************************************************
- * Creates a new instance.
- **********************************************************************************************************************************************************/
- public OpenStreetMapTileSource()
- {
- this(TOP_ZOOM_LEVEL, "https://tile.openstreetmap.org/%d/%d/%d.png", "OpenStreetMap", "OpenStreetMap");
- }
- /***********************************************************************************************************************************************************
- * Constructor for subclasses.
- * @param maxZoom the maximum allowed zoom level
- * @param pattern the URI pattern
- * @param displayName the display name of the provider
- * @param cachePrefix the prefix for the cache
- **********************************************************************************************************************************************************/
- protected OpenStreetMapTileSource (final int maxZoom,
- @Nonnull final String pattern,
- @Nonnull final String displayName,
- @Nonnull final String cachePrefix)
- {
- super(new MercatorProjection(TILE_SIZE), 1, maxZoom, DEFAULT_ZOOM_LEVEL, TILE_SIZE, displayName, cachePrefix);
- this.pattern = pattern;
- }
- /***********************************************************************************************************************************************************
- * {@inheritDoc}
- **********************************************************************************************************************************************************/
- @Override @Nonnull
- public final URI getTileUri (final int column, final int row, final int zoom)
- {
- try
- {
- return new URI(String.format(pattern, zoom, column, row));
- }
- catch (URISyntaxException e)
- {
- throw new RuntimeException(e);
- }
- }
- /***********************************************************************************************************************************************************
- * {@inheritDoc}
- **********************************************************************************************************************************************************/
- @Override @Nonnull
- public String toString()
- {
- return getClass().getSimpleName();
- }
- }