Revision 4181 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/impl/provider/tile/FileTileServer.java
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*/ |
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package org.gvsig.raster.impl.provider.tile; |
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import java.net.URI; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.coverage.RasterLibrary; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.raster.cache.tile.provider.Downloader; |
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import org.gvsig.raster.cache.tile.provider.TileServer; |
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/**
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* Data server for the tile cache in a GdalProvider
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/** |
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* Data server for the tile cache in a GdalProvider |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class FileTileServer implements TileServer {
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protected RasterDataStore store = null; |
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protected String suffix = "tif"; |
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protected boolean externalStruct = false; |
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public FileTileServer(RasterDataStore store) {
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this.store = store; |
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} |
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public Downloader getDownloader() {
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//The downloader is built the first time or if the structure is assigned from the client.
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//The downloader is built the first time or if the structure is assigned from the client. |
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boolean firstLoad = (downloader == null); |
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if(firstLoad || externalStruct) {
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downloader = new TileDownloaderForFiles(store, getStruct(),
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getStruct().getTileSizeByLevel(0)[0],
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getStruct().getTileSizeByLevel(0)[1],
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downloader = new TileDownloaderForFiles(store, getStruct(), |
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getStruct().getTileSizeByLevel(0)[0], |
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getStruct().getTileSizeByLevel(0)[1], |
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getFileSuffix()); |
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externalStruct = false; |
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return downloader; |
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} |
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//If the tile size has changed.
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//If the tile size has changed. |
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if(((TileDownloaderForFiles)downloader).getTileSize()[0] != TileCacheLibrary.DEFAULT_TILEWIDTH || |
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((TileDownloaderForFiles)downloader).getTileSize()[1] != TileCacheLibrary.DEFAULT_TILEHEIGHT) {
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downloader = new TileDownloaderForFiles(store, getStruct(),
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TileCacheLibrary.DEFAULT_TILEWIDTH,
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TileCacheLibrary.DEFAULT_TILEHEIGHT,
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downloader = new TileDownloaderForFiles(store, getStruct(), |
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TileCacheLibrary.DEFAULT_TILEWIDTH, |
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TileCacheLibrary.DEFAULT_TILEHEIGHT, |
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getFileSuffix()); |
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} |
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return downloader; |
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public CacheStruct getStruct() {
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if(struct == null) {
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TileCacheManager manager = TileCacheLocator.getManager(); |
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int coordinates = CacheStruct.FLAT; |
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if(store.getProjection() != null) |
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coordinates = (store.getProjection() != null && store.getProjection().isProjected()) ? CacheStruct.FLAT : CacheStruct.GEOGRAFIC; |
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else {
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Extent e = store.getExtent(); |
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if(e.getULX() >= -180 && e.getULX() <= 180 && e.getLRX() >= -180 && e.getLRX() <= 180 &&
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if(e.getULX() >= -180 && e.getULX() <= 180 && e.getLRX() >= -180 && e.getLRX() <= 180 && |
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e.getULY() >= -90 && e.getULY() <= 90 && e.getLRY() >= -90 && e.getLRY() <= 90) {
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coordinates = CacheStruct.GEOGRAFIC; |
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} |
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} |
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String epsg = null; |
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IProjection proj = store.getProjection(); |
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if(proj != null) |
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epsg = proj.getAbrev(); |
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String uri = ((RasterDataParameters)store.getParameters()).getURI();
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struct = manager.createCacheStructure(coordinates,
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TileCacheLibrary.DEFAULT_LEVELS,
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store.getExtent().toRectangle2D(),
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store.getCellSize(),
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TileCacheLibrary.DEFAULT_TILEWIDTH,
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URI uri = ((RasterDataParameters)store.getParameters()).getURI();
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struct = manager.createCacheStructure(coordinates, |
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TileCacheLibrary.DEFAULT_LEVELS, |
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store.getExtent().toRectangle2D(), |
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store.getCellSize(), |
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TileCacheLibrary.DEFAULT_TILEWIDTH, |
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TileCacheLibrary.DEFAULT_TILEHEIGHT, |
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uri, |
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uri.getPath(),
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TileCacheLibrary.DEFAULT_STRUCTURE, |
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RasterLibrary.pathTileCache, |
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getFileSuffix(), |
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} |
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return struct; |
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} |
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public void setStruct(CacheStruct struct) {
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if(struct != null) {
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this.struct = struct; |
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if(struct.getTileSizeByLevel(0) != null) {
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downloader = new TileDownloaderForFiles(store,
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struct,
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struct.getTileSizeByLevel(0)[0],
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struct.getTileSizeByLevel(0)[1],
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downloader = new TileDownloaderForFiles(store, |
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struct, |
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struct.getTileSizeByLevel(0)[0], |
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struct.getTileSizeByLevel(0)[1], |
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getFileSuffix()); |
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externalStruct = true; |
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} |
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} |
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} |
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public String getFileSuffix() {
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return suffix; |
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} |
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