Application: gvSIG desktop » gvSIG raster

import java.io.IOException;

import java.util.HashMap;

import org.gvsig.compat.net.ICancellable;

import org.gvsig.raster.cache.tile.Tile;

import org.gvsig.raster.cache.tile.pool.AtomicTask;

	private Point2D             ul                = null;

	private Point2D             lr                = null;

	private Rectangle2D         coordPx           = null;

	private File                file              = null;

	private Downloader          downloader        = null;

                                downloaderParams  = new HashMap<String, Object>();

	private TilePipe            sharedPipe        = null;

	private int                 priority          = 0;

	private Object[]            data              = null;

	protected CancelTaskImpl    cancelDownloading = null;

	/**

	 * All tasks which use libRemoteServices need an object that implements ICancellable

	 * to cancel processes.

	 */

	public class CancelTaskImpl implements ICancellable {

		private boolean       cancel = false;

		public CancelTaskImpl() {

		}

		public Object getID() {

			return this;

		}

		public boolean isCanceled() {

			return cancel;

		}

		/**

		 * Cancel the task

		 * @param cancel

		 */

		public void setCanceled(boolean cancel) {

			this.cancel = cancel;

		}

	}

	public TileImpl(int level, int col, int row) {

		this.level = level;

		this.col = col;

		this.row = row;

		cancelDownloading = new CancelTaskImpl();

	}

	public TileImpl(int wPx, int hPx, int row, int col, Point2D ul, Point2D lr) {

		this.row = row;

		this.col = col;

		this.heightPx = hPx;

		cancelDownloading = new CancelTaskImpl();

	}

	public Object[] getDownloadingImage() {

		return downloader.getDownloadingImage(getWidthPx(), getHeightPx());

	}

	public Object[] getCrashImage() {

		return downloader.getCrashImage(getWidthPx(), getHeightPx());

	}

	public Object getDownloadingARGB() {

		Object[] result = downloader.getDownloadingImage(getWidthPx(), getHeightPx());

			return result[0];

		return null;

	}

	public Object getCrashARGB() {

		Object[] result = downloader.getCrashImage(getWidthPx(), getHeightPx());

			return result[0];

		return null;

	}

	/**

	 * Convierte un punto desde del mundo a coordenadas pixel.

	 * @param pt Punto a transformar

		}

		return p;

	}

	public Tile cloneTile() {

		TileImpl newTile = new TileImpl(widthPx, heightPx, row, col, (Point2D)ul.clone(), (Point2D)lr.clone());

		newTile.file = file;

		return newTile;

	}

	public String getVariable() {

		return var;

	}

	public String getZ() {

		return z;

	}

	public String getTimeInstant() {

		return time;

	}

	public void setVariable(String var) {

		this.var = var;

	}

	public void setZ(String z) {

		this.z = z;

	}

	public int getLevel() {

		return level;

	}

	public void setTimeInstant(String t) {

		this.time = t;

	}

	public int getRow() {

		return row;

	}

	public void setCol(int col) {

		this.col = col;

	}

	public void setRow(int row) {

		this.row = row;

	}

	public void setLevel(int level) {

		this.level = level;

	}

	public Rectangle2D getCoordsPx() {

		return coordPx;

	}

	public void setCoordsPx(Rectangle2D r) {

		this.coordPx = r;

	}

	public void setHeightPx(int heightPx) {

		this.heightPx = heightPx;

	}

	public Rectangle2D getExtent() {

				Math.abs(ul.getX() - lr.getX()), Math.abs(ul.getY() - lr.getY()));

	}

	public void setDownloaderParams(String key, Object value) {

		this.downloaderParams.put(key.toUpperCase(), value);

	}

	public void setCorrupt(boolean corrupt) {

		this.corrupt = corrupt;

	}

	public boolean isCorrupt() {

		boolean c = corrupt;

		corrupt = false;

		return c;

	}

	/**

	 * Actions for download a tile

	 */

			downloader.downloadTile(this);

			corrupt = false;

		} catch (Exception e) {

				getFile().delete();

			corrupt = true;

		} finally {

			if(sharedPipe != null)

				sharedPipe.setAtomicTask(this);

		}

	}

	public void cancelTask() {

		((CancelTaskImpl)getCancelled()).setCanceled(true);

		sharedPipe = null;

	}

	public ICancellable getCancelled() {

		return cancelDownloading;

	}

	public void setSharedPipe(TilePipe sharedPipe) {

		this.sharedPipe = sharedPipe;

	}

	public String getId() {

		return getLevel() + "_" + getRow() + "_" + getCol();

	}

	public int getPriority() {

		return priority;

	}

	public void setPriority(int priority) {

		this.priority = priority;

	}

	public void setData(Object[] data) {

		this.data = data;

	}

	public Object[] getData() {

		return data;

	}

			return -1;

		return 0;

	}

	public boolean dataIsLoaded() {

		return (getData() != null && getData().length > 0);

	}