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gvsig-raster / org.gvsig.raster.wms / trunk / org.gvsig.raster.wms / org.gvsig.raster.wms.app / org.gvsig.raster.wms.app.wmsclient / src / main / java / org / gvsig / raster / wms / app / wmsclient / layer / FLyrWMS.java @ 1367

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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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* 
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* 
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU General Public License for more details.
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* 
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
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* MA  02110-1301, USA.
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* 
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*/
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package org.gvsig.raster.wms.app.wmsclient.layer;
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import java.awt.Dimension;
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import java.awt.Graphics2D;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.NoninvertibleTransformException;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Vector;
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import java.util.prefs.Preferences;
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import javax.print.attribute.PrintRequestAttributeSet;
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import javax.swing.JOptionPane;
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import org.cresques.cts.ICoordTrans;
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import org.cresques.cts.IProjection;
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import org.gvsig.andami.PluginServices;
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import org.gvsig.fmap.dal.DALLocator;
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import org.gvsig.fmap.dal.DataManager;
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import org.gvsig.fmap.dal.DataParameters;
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import org.gvsig.fmap.dal.DataStore;
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import org.gvsig.fmap.dal.DataStoreParameters;
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import org.gvsig.fmap.dal.coverage.RasterLocator;
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import org.gvsig.fmap.dal.coverage.RasterManager;
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import org.gvsig.fmap.dal.coverage.datastruct.Extent;
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import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData;
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import org.gvsig.fmap.dal.coverage.exception.FilePaletteException;
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import org.gvsig.fmap.dal.coverage.exception.InfoByPointException;
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException;
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;
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import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException;
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import org.gvsig.fmap.dal.coverage.grid.RasterFilter;
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore;
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import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters;
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import org.gvsig.fmap.dal.coverage.store.parameter.RemoteStoreParameters;
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import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters;
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import org.gvsig.fmap.dal.exception.DataException;
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import org.gvsig.fmap.dal.exception.InitializeException;
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException;
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import org.gvsig.fmap.dal.exception.ReadException;
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException;
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices;
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import org.gvsig.fmap.geom.GeometryLocator;
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import org.gvsig.fmap.geom.GeometryManager;
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import org.gvsig.fmap.geom.Geometry.SUBTYPES;
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException;
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import org.gvsig.fmap.geom.primitive.Envelope;
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import org.gvsig.fmap.mapcontext.ViewPort;
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException;
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import org.gvsig.fmap.mapcontext.exceptions.UnsupportedVersionLayerException;
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import org.gvsig.fmap.mapcontext.layers.FLayer;
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import org.gvsig.fmap.mapcontext.layers.FLyrDefault;
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import org.gvsig.fmap.mapcontext.layers.Tiling;
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import org.gvsig.fmap.mapcontext.layers.operations.ComposedLayer;
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import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;
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import org.gvsig.gui.beans.Messages;
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import org.gvsig.raster.fmap.layers.DefaultFLyrRaster;
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import org.gvsig.raster.fmap.layers.IRasterLayerActions;
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import org.gvsig.raster.fmap.layers.NotAvailableStateException;
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import org.gvsig.raster.fmap.legend.ImageLegend;
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import org.gvsig.raster.util.CancelTaskImpl;
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import org.gvsig.raster.wms.app.wmsclient.wmc.WebMapContextTags;
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import org.gvsig.raster.wms.app.wmsclient.wmc.XmlBuilder;
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import org.gvsig.raster.wms.io.RemoteWMSStyle;
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import org.gvsig.raster.wms.io.WMSDataParameters;
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import org.gvsig.raster.wms.io.WMSLayerNode;
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import org.gvsig.raster.wms.io.WMSServerExplorer;
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import org.gvsig.raster.wms.io.WMSServerExplorerParameters;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.dynobject.DynObjectSet;
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import org.gvsig.tools.dynobject.DynStruct;
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import org.gvsig.tools.persistence.PersistenceManager;
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import org.gvsig.tools.persistence.PersistentState;
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import org.gvsig.tools.persistence.exception.PersistenceException;
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import org.gvsig.tools.task.Cancellable;
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import org.gvsig.tools.task.SimpleTaskStatus;
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import org.gvsig.tools.task.TaskStatusManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
115
 * FMap's WMS Layer class.
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 *
117
 * Las capas WMS son tileadas para descargarlas del servidor. Esto quiere decir que
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 * est?n formadas por multiples ficheros raster. Por esto la fuente de datos raster (IRasterDatasource)
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 * de la capa FLyrWMS es un objeto de tipo CompositeDataset. Este objeto est? compuesto por un array
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 * bidimensional de MultiRasterDataset. Cada uno de los MultiRasterDataset corresponde con un tile
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 * salvado en disco. Estos MultiRasterDataset se crean cada vez que se repinta ya que en WMS a cada
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 * zoom varian los ficheros fuente. La secuencia de creaci?n de un CompositeDataset ser?a la siguiente:
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 * <UL>
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 * <LI>Se hace una petici?n de dibujado por parte del usuario llamando al m?todo draw de FLyrWMS</LI>
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 * <LI>Se tilea la petici?n</LI>
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 * <LI>Cada tile se dibuja abriendo una FLyerRaster para ese tile</LI>
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 * <LI>Si es el primer dibujado se guarda una referencia en la capa WMS a las propiedades de renderizado, orden de bandas,
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 * transparencia, filtros aplicados, ...</LI>
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 * <LI>Si no es el primer dibujado se asignan las propiedades de renderizado cuya referencia se guarda en la capa WMS</LI>
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 * <LI>Se guarda el MultiRasterDataset de cada tile</LI>
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 * <LI>Al acabar todos los tiles creamos un CompositeDataset con los MultiRasterDataset de todos los tiles</LI>
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 * <LI>Asignamos a la capa la referencia de las propiedades de renderizado que tenemos almacenadas. De esta forma si hay
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 * alguna modificaci?n desde el cuadro de propiedades ser? efectiva sobre los tiles que se dibujan.</LI>
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 * </UL>
135
 *
136
 *
137
 * @author Jaume Dominguez Faus
138
 *
139
 */
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@SuppressWarnings("deprecation")
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public class FLyrWMS extends DefaultFLyrRaster {
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        public static final String           PERSISTENT_NAME           = "FLyrWMS_Persistent";
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        public static final String           PERSISTENT_DESCRIPTION    = "FLyrWMS Persistent Definition";
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        private static final int             MAX_RETRY_TIMES           = 5;
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        private static final GeometryManager geomManager               = GeometryLocator.getGeometryManager();
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        private static final Logger          logger                    = LoggerFactory.getLogger(FLyrWMS.class);
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        private boolean                                          isPrinting                = false;
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        private boolean                                          mustTileDraw              = false;
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        private boolean                                          mustTilePrint             = true;
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        private final int                                          maxTileDrawWidth          = 1023;
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        private final int                                          maxTileDrawHeight         = 1023;
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        private final int                                          maxTilePrintWidth         = 1023;
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        private final int                                          maxTilePrintHeight        = 1023;
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        private List<WeakReference<Thread>>         disableUpdateDrawVersion;
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        private Envelope                                         fullEnvelope              = null;
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        private int                          callCount;
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        private boolean                                                 firstLoad                 = false;
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        private RasterManager                rManager                  = RasterLocator.getManager();
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        private DataStoreParameters          params                    = null;
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        private WMSServerExplorer            explorer                  = null;
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        private boolean                      deleteCache               = false;
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        public FLyrWMS() {
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                super();
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                this.updateDrawVersion();
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                try {
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                        enableAwake();
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                } catch (NotAvailableStateException e) {
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                        logger.error("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), this, e);
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                }
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        }
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   public FLyrWMS(DataStoreParameters dataStoreParameters) throws Exception {
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        this();
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        //Create the explorer and connect
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        DataManager dataManager = DALLocator.getDataManager();
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        WMSServerExplorerParameters explorerParams = (WMSServerExplorerParameters) 
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               dataManager.createServerExplorerParameters(WMSServerExplorer.NAME);
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        explorerParams.setHost((String)dataStoreParameters.getDynValue("uri"));        
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        WMSServerExplorer wmsServerExplorer = 
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            (WMSServerExplorer) dataManager.openServerExplorer(WMSServerExplorer.NAME, explorerParams);
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        wmsServerExplorer.connect(null, ((RemoteStoreParameters)dataStoreParameters).isDeletingCache());
184
        
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        //Set the parameters
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        setParameters((WMSDataParameters)dataStoreParameters);
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        setExplorer(wmsServerExplorer);
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    }
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        public static DataStore createDataStore(String host, IProjection srs) throws InitializeException {
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                DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
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                RasterDataParameters params = null;
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                try {
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                        params = (RasterDataParameters)dataman.createServerExplorerParameters(WMSServerExplorer.NAME);
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                } catch (InitializeException e) {
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                        return null;
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                } catch (ProviderNotRegisteredException e) {
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                        return null;
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                }
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                params.setURI(host);
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                params.setSRS(srs);
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203
                try {
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                        return dataman.openStore(params.getDataStoreName(), params);
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                } catch (ValidateDataParametersException e) {
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                        throw new InitializeException(e);
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                } catch (ProviderNotRegisteredException e) {
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                        throw new InitializeException(e);
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                }
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        }
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        /*
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         * (non-Javadoc)
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         * @see org.gvsig.fmap.mapcontext.layers.operations.SingleLayer#setDataStore(org.gvsig.fmap.dal.DataStore)
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         */
216
        public void setDataStore(DataStore dataStore) throws LoadLayerException {
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                this.dataStore = (RasterDataStore) dataStore;
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                try {
219
                        if(!this.dataStore.isOpen())
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                                enableOpen();
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                } catch (NotAvailableStateException e) {
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                        logger.error("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), this, e);
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                }
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                setProjection(this.dataStore.getProjection());
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        }
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        /**
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         * It choose the best format to load different maps if the server
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         * supports it. This format could be png, because it supports
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         * transparency.
231
         * @param formats
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         * Arraywith all the formats supported by the server
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         * @return
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         */
235
        @SuppressWarnings("unused")
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        private String getGreatFormat(Vector<String> formats){
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                for (int i = 0 ; i < formats.size() ; i++){
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                        String format = (String) formats.get(i);
239
                        if (format.equals("image/jpg")){
240
                                return format;
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                        }
242
                        if (format.equals("image/jpeg")){
243
                                return format;
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                        }
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                }
246
                return (String)formats.get(0);
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        }
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        /*
250
         * (non-Javadoc)
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         * @see org.gvsig.raster.fmap.layers.DefaultFLyrRaster#loadFromState(org.gvsig.tools.persistence.PersistentState)
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         */
253
        @Override
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        public void loadFromState(PersistentState state)
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        throws PersistenceException {
256
                String host = state.getString("host");
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                try {
258
                        getParameters();
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                        WMSServerExplorerParameters params = (WMSServerExplorerParameters)explorer.getParameters();
260
                        params.setHost(host);
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                        explorer.connect(new CancelTaskImpl(), true);
262
                } catch (Exception e) {
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                        throw new PersistenceException("Server comunication error", e);
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                }
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                super.loadFromState(state);
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                params = getDataStore().getParameters();
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                this.fullEnvelope = (Envelope) state.get("fullEnvelope");
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                getParameters().setName((String)state.get("name"));
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                //En servicios WMS nunca se carga con tabla de color ya que esta cambia para cada petici?n 
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                //y adem?s no puede ser cambiada por el usuario
272
                this.colorTableLoadedFromProject = null;
273
        }
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        /*
276
         * (non-Javadoc)
277
         * @see org.gvsig.raster.fmap.layers.DefaultFLyrRaster#saveToState(org.gvsig.tools.persistence.PersistentState)
278
         */
279
        @Override
280
        public void saveToState(PersistentState state) throws PersistenceException {
281
                super.saveToState(state);
282
                state.set("fullEnvelope", this.fullEnvelope);
283
                state.set("host", getParameters().getURI());
284
                state.set("name", getName());
285
        }
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287
        public static void registerPersistent() {
288
                PersistenceManager manager = ToolsLocator.getPersistenceManager();
289
                DynStruct definition = manager.getDefinition(PERSISTENT_NAME);
290
                if( definition == null ) {
291
                        if (manager.getDefinition(FLyrDefault.class) == null) {
292
                                FLyrDefault.registerPersistent();
293
                        }
294

    
295
                        definition = manager.addDefinition(
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                                        FLyrWMS.class,
297
                                        PERSISTENT_NAME,
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                                        PERSISTENT_DESCRIPTION,
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                                        null, 
300
                                        null
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                        );
302
                        
303
                        definition.extend(PersistenceManager.PERSISTENCE_NAMESPACE, "FLyrDefault");
304
                }
305

    
306
                DefaultFLyrRaster.registerPersistence(definition);
307
                definition.addDynFieldObject("fullEnvelope").setClassOfValue(Envelope.class).setMandatory(false);
308
                definition.addDynFieldString("host").setMandatory(false);
309
                definition.addDynFieldString("name").setMandatory(false);
310
        }
311
        
312
        /*
313
         * (non-Javadoc)
314
         * @see org.gvsig.raster.fmap.layers.DefaultFLyrRaster#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, org.gvsig.fmap.mapcontext.ViewPort, org.gvsig.tools.task.Cancellable, double)
315
         */
316
        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,
317
                        Cancellable cancel, double scale) throws ReadException {
318
                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
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                SimpleTaskStatus taskStatus = new RasterTaskStatus("Drawing " + getName() + "...", cancel);
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                manager.add(taskStatus);
321
                taskStatus.setAutoremove(true);
322
                
323
                if(!firstLoad) {
324
                        try {
325
                                initFilters();
326
                        } catch (FilePaletteException e) {
327
                                logger.error(e.getMessage(), this, e);
328
                        }
329
                        firstLoad = true;
330
                }
331
                
332
                callCount = 0;  
333
                
334
                enableStopped();
335
                
336
                if(recalcLevel) {
337
                        double pixelSize = viewPort.getEnvelope().getLength(0) / (double)viewPort.getImageWidth();
338
                        zoomLevel = dataStore.getNearestLevel(pixelSize);
339
                }
340
                recalcLevel = true;
341

    
342
                if (isWithinScale(scale)) {
343

    
344
                        if(mustTileDraw) {
345
                                Point2D p = viewPort.getOffset();
346
                                Rectangle r = new Rectangle((int) p.getX(), (int) p.getY(), viewPort.getImageWidth(), viewPort.getImageHeight());
347
                                Tiling tiles = new Tiling(maxTileDrawWidth, maxTileDrawHeight, r);
348
                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
349

    
350
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
351
                                        // drawing part
352
                                        try {
353
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
354
                                                drawTile(g, vp, taskStatus, scale);
355
                                        } catch (LoadLayerException e) {
356
                                                throw new ReadException(e.getMessage(), e);
357
                                        } catch (NoninvertibleTransformException e) {
358
                                                throw new ReadException(e.getMessage(), e);
359
                                        }
360
                                }
361
                        } else {
362
                                try {
363
                                        drawTile(g, viewPort, taskStatus, scale);
364
                                } catch (LoadLayerException e) {
365
                                        setAvailable(false);
366
                                        logger.error("Server error:" + e.getMessage(), e);
367
                                }
368
                        }
369
                }
370
                disableStopped();
371
        }
372
        
373
                
374
        /**
375
         * This is the method used to draw a tile in a WMS mosaic layer.
376
         * @throws LoadLayerException
377
         * @throws ReadDriverException
378
         * @return true when a tile has been painted
379
         */
380
        private void drawTile(Graphics2D g, ViewPort vp, SimpleTaskStatus taskStatus, double scale) throws LoadLayerException, ReadException {
381
                callCount++;
382
        
383
                // Compute the query geometry
384
                // 1. Check if it is within borders
385
                Envelope envelope = getFullEnvelope();
386
                Envelope vpEnv = vp.getAdjustedExtent();
387
                if (!vpEnv.intersects(envelope)) {
388
                        return;
389
                }
390

    
391
                // 2. Compute extent to be requested.
392
                Rectangle2D bBox = new Rectangle2D.Double();
393
                Rectangle2D.intersect(getRectable2DFromEnvelope(vpEnv),
394
                                getRectable2DFromEnvelope(envelope), bBox);
395

    
396
                // 3. Compute size in pixels
397
                double scalex = vp.getAffineTransform().getScaleX();
398
                double scaley = vp.getAffineTransform().getScaleY();
399
                int wImg = (int) Math.ceil(Math.abs(bBox.getWidth() * scalex) + 1);
400
                int hImg = (int) Math.ceil(Math.abs(bBox.getHeight() * scaley) + 1);
401

    
402
                Dimension sz = new Dimension(wImg, hImg);
403

    
404
                if ((wImg <= 0) || (hImg <= 0)) {
405
                        return;
406
                }
407

    
408
                try {
409
                        
410
                        Rectangle2D extent = new Rectangle2D.Double();
411
                        Rectangle2D.Double vpExtent = this.getRectable2DFromEnvelope(vpEnv);
412
                        Rectangle2D.intersect(vpExtent, bBox, extent);
413
                        
414
                        Extent ex = rManager.getDataStructFactory().createExtent(
415
                                        vp.getAdjustedEnvelope().getMinimum(0), 
416
                                        vp.getAdjustedEnvelope().getMaximum(1), 
417
                                        vp.getAdjustedEnvelope().getMaximum(0), 
418
                                        vp.getAdjustedEnvelope().getMinimum(1));
419
                        ViewPortData vpData = rManager.createViewPortData(vp.getProjection(), ex, sz );
420
                        vpData.setMat(vp.getAffineTransform());
421

    
422
                        try {
423
                                getParameters().setExtent(bBox);
424
                                if(getParameters().isSizeFixed()) {
425
                                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
426
                                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
427
                                } else {
428
                                        getParameters().setWidth(wImg);
429
                                        getParameters().setHeight(hImg);
430
                                }
431
                                
432
                                if(params instanceof WMSDataParameters) {
433
                                        getRender().draw(g, vpData, taskStatus);
434
                                } else {
435
                                        Envelope adjustedExtent = vp.getAdjustedExtent();
436
                                        Extent e = rManager.getDataStructFactory().createExtent(adjustedExtent.getLowerCorner().getX(),
437
                                                        adjustedExtent.getUpperCorner().getY(), adjustedExtent.getUpperCorner().getX(),
438
                                                        adjustedExtent.getLowerCorner().getY());
439
                                        ViewPortData vp2 = rManager.createViewPortData(vp.getProjection(), e, vp.getImageSize() );
440
                                        vp2.setMat(vp.getAffineTransform());
441
                                        getParameters().setExtent(ex.toRectangle2D());
442
                                        getRender().drawTiledService(g, vp2, vp.getImageSize(), taskStatus);
443
                                }
444
                                //this.updateDrawVersion();
445
                        } catch (RasterDriverException e) {
446
                                setAvailable(false);
447
                                JOptionPane.showMessageDialog(null, "Problems drawing this layer:" + e.getMessage(), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE);
448
                                logger.info("Problems drawing this layer:" + e.getMessage(), e);
449
                        } catch (InvalidSetViewException e) {
450
                                throw new RemoteServiceException("Problems drawing this layer: " + e.getMessage(), e);
451
                        } catch (ProcessInterruptedException e) {
452
                        } finally {
453
                                taskStatus.terminate();                                
454
                        }
455

    
456
                } catch (RemoteServiceException e) {
457
                        if (!taskStatus.isCancellationRequested()) {
458
                                if (callCount < MAX_RETRY_TIMES) {
459
                                        logger.warn("\n[ FLyrWMS.drawFixedSize() ]  Failed in trying " + callCount + "/" + MAX_RETRY_TIMES + ")\n"); // mess code
460
                                        drawTile(g, vp, taskStatus, scale);
461
                                } else {
462
                                        if (!isPrinting) {
463
                                                this.setVisible(false);
464
                                        }
465
                                        logger.error("Server error:" + e.getMessage(), e);
466
                                }
467
                        }
468
                }
469
                callCount--;
470
                return;
471
        }
472

    
473
        /**
474
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
475
         *                 com.iver.cit.gvsig.fmap.ViewPort,
476
         *                 com.iver.cit.gvsig.fmap.operations.Cancellable)
477
         */
478
        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintRequestAttributeSet properties)
479
        throws ReadException {
480
                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
481
                SimpleTaskStatus taskStatus = new RasterTaskStatus("Printing " + getName() + "...", cancel);
482
                manager.add(taskStatus);
483
                taskStatus.setAutoremove(true);
484

    
485
                if (isVisible() && isWithinScale(scale)){
486
                        isPrinting = true;
487
                        if (!mustTilePrint) {
488
                                draw(null, g, viewPort, cancel,scale);
489
                        } else {
490
                                Tiling tiles = new Tiling(maxTilePrintWidth, maxTilePrintHeight, g.getClipBounds());
491
                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
492
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
493
                                        // Parte que dibuja
494
                                        try {
495
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
496
                                                drawTile(g, vp, taskStatus, scale);
497
                                        } catch (NoninvertibleTransformException e) {
498
                                                throw new ReadException(e.getMessage(), e);
499
                                        } catch (LoadLayerException e) {
500
                                                throw new ReadException(e.getMessage(), e);
501
                                        }
502
                                }
503
                        }
504
                        isPrinting = false;
505
                }
506
                taskStatus.terminate();
507
        }
508

    
509
        public void _print(Graphics2D g, ViewPort viewPort, Cancellable cancel,
510
                        double scale) throws ReadException {
511
                draw(null, g, viewPort, cancel,scale);
512
        }
513

    
514
        /**
515
         * Inserta la extensi?n total de la capa.
516
         *
517
         * @param fullExtent
518
         *            Rectangulo.
519
         */
520
        public void setFullExtent(Rectangle2D fullExtent) {
521
                this.setFullEnvelope(this.getEnvelopeFromRectable2D(fullExtent));
522
        }
523

    
524
        /**
525
         * Inserta la extensi?n total de la capa en la proyeccion original.
526
         *
527
         * @param fullExtent
528
         *            Rect?ngulo.
529
         */
530
        public void setFullEnvelope(Envelope envelope) {
531
                Envelope cur = this.getFullEnvelope();
532
                if (cur == envelope) {
533
                        return;
534
                }
535
                if (cur != null && cur.equals(envelope)) {
536
                        return;
537
                }
538

    
539
                this.fullEnvelope = envelope;
540
                this.updateDrawVersion();
541
        }
542

    
543
        public HashMap<String, Object> getProperties() {
544
                HashMap<String, Object> info = new HashMap<String, Object>();
545
                String[] layerNames = getParameters().getLayerQuery().split(",");
546
                Vector<WMSLayerNode> layers = new Vector<WMSLayerNode>(layerNames.length);
547
                try {
548
                        //explorer.connect(null);
549
                        for (int i = 0; i < layerNames.length; i++) {
550
                                layers.add(i, explorer.getLayer(layerNames[i]));
551
                        }
552
                        info.put("name", getName());
553
                        info.put("selectedLayers", layers);
554
                        info.put("host", getParameters().getURI());
555
                        info.put("srs", getParameters().getSRSCode());
556
                        info.put("format", getParameters().getFormat());
557
                        info.put("wmsTransparency", new Boolean(getParameters().isWmsTransparent()));
558
                        info.put("styles", getParameters().getStyles());
559
                        info.put("dimensions", getParameters().getDimensions());
560
                        info.put("fixedSize", getParameters().getFixedSize());
561
                        return info;
562
                } /*catch (WMSException e) {
563
                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), PluginServices.getText(null, "connect_error"));
564
                }*/ catch (Exception e) {
565
                        e.printStackTrace();
566
                }
567
                return null;
568
        }
569

    
570
        /**
571
         * Creates the part of a OGC's MapContext document that would describe this
572
         * layer(s).
573
         * @param version, The desired version of the resulting document. (1.1.0)
574
         * @return String containing the xml.
575
         * @throws UnsupportedVersionLayerException
576
         */
577
        @SuppressWarnings("unchecked")
578
        public String toMapContext(String mapContextVersion) {
579
                XmlBuilder xml = new XmlBuilder();
580
                
581
                String query = getParameters().getLayerQuery();
582
                String[] layerNames = query.split(",");
583
                String[] styleNames = (String[]) getParameters().getStyles().toArray(new String[0]);
584
                for (int i = 0; i < layerNames.length; i++) {
585
                        WMSLayerNode layer = explorer.getLayer(layerNames[i]);
586
                        HashMap xmlAttrs = new HashMap();
587

    
588
                        // <Layer>
589
                        xmlAttrs.put(WebMapContextTags.HIDDEN, !isVisible() + "");
590
                        xmlAttrs.put(WebMapContextTags.QUERYABLE, explorer.isQueryable() + "");
591
                        xml.openTag(WebMapContextTags.LAYER, xmlAttrs);
592
                        xmlAttrs.clear();
593
                        if (mapContextVersion.equals("1.1.0") || mapContextVersion.equals("1.0.0")) {
594
                                // <Server>
595
                                xmlAttrs.put(WebMapContextTags.SERVICE, WebMapContextTags.WMS);
596
                                xmlAttrs.put(WebMapContextTags.VERSION, explorer.getVersion());
597
                                xmlAttrs.put(WebMapContextTags.SERVER_TITLE, explorer.getServiceTitle());
598
                                xml.openTag(WebMapContextTags.SERVER, xmlAttrs);
599
                                xmlAttrs.clear();
600

    
601
                                // <OnlineResource>
602
                                xmlAttrs.put(WebMapContextTags.XLINK_TYPE, "simple");
603
                                xmlAttrs.put(WebMapContextTags.XLINK_HREF, getParameters().getURI().toString());
604
                                xml.writeTag(WebMapContextTags.ONLINE_RESOURCE, xmlAttrs);
605
                                xmlAttrs.clear();
606
                                // </OnlineResource>
607

    
608
                                xml.closeTag();
609
                                // </Server>
610

    
611
                                // <Name>
612
                                xml.writeTag(WebMapContextTags.NAME, layer.getName().trim());
613
                                // </Name>
614

    
615
                                // <Title>
616
                                xml.writeTag(WebMapContextTags.TITLE, layer.getTitle().trim());
617
                                //?xml.writeTag(WebMapContextTags.TITLE, getName().trim());
618
                                // </Title>
619

    
620
                                // <Abstract>
621
                                if (layer.getAbstract() != null) {
622
                                        xml.writeTag(WebMapContextTags.ABSTRACT, layer.getAbstract());
623
                                        // </Abstract>
624
                                }
625

    
626
                                // <SRS> (a list of available SRS for the enclosing layer)
627
                                String[] strings = (String[]) layer.getAllSrs().toArray(new String[0]);
628
                                String mySRS = strings[0];
629
                                for (int j = 1; j < strings.length; j++) {
630
                                        mySRS += ","+strings[j];
631
                                }
632
                                xml.writeTag(WebMapContextTags.SRS, mySRS);
633
                                // </SRS>
634

    
635
                                // <FormatList>
636
                                xml.openTag(WebMapContextTags.FORMAT_LIST);
637
                                strings = explorer.getFormats();
638
                                for (int j = 0; j < strings.length; j++) {
639
                                        // <Format>
640
                                        String str = strings[j].trim();
641
                                        if (str.equals(getParameters().getFormat())) {
642
                                                xml.writeTag(WebMapContextTags.FORMAT, str, WebMapContextTags.CURRENT, "1");
643
                                        } else {
644
                                                xml.writeTag(WebMapContextTags.FORMAT, str);
645
                                                // </Format>
646
                                        }
647
                                }
648
                                xml.closeTag();
649
                                // </FormatList>
650

    
651
                                // <StyleList>
652
                                xml.openTag(WebMapContextTags.STYLE_LIST);
653

    
654
                                if (layer.getStyles().size() > 0) {
655
                                        for (int j = 0; j < layer.getStyles().size(); j++) {
656
                                                // <Style>
657
                                                RemoteWMSStyle st = layer.getStyles().get(j);
658
                                                if (st.getName().equals(styleNames[i])) {
659
                                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
660
                                                }
661
                                                xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
662
                                                xmlAttrs.clear();
663

    
664
                                                // <Name>
665
                                                xml.writeTag(WebMapContextTags.NAME, st.getName());
666
                                                // </Name>
667

    
668
                                                // <Title>
669
                                                xml.writeTag(WebMapContextTags.TITLE, st.getTitle());
670
                                                // </Title>
671

    
672
                                                // <LegendURL width="180" format="image/gif" height="50">
673
                                                // <OnlineResource xlink:type="simple" xlink:href="http://globe.digitalearth.gov/globe/en/icons/colorbars/NATIONAL.gif"/>
674
                                                // </OnlineResource>
675
                                                // </LegendURL>
676
                                                xml.closeTag();
677
                                                // </Style>
678

    
679
                                        }
680

    
681
                                } else {
682
                                        // Create fake style (for compatibility issues)
683
                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
684
                                        // <Style>
685
                                        xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
686
                                        xmlAttrs.clear();
687
                                        // <Name>
688
                                        xml.writeTag(WebMapContextTags.NAME, "default");
689
                                        // </Name>
690

    
691
                                        // <Title>
692
                                        xml.writeTag(WebMapContextTags.TITLE, "default");
693
                                        xml.closeTag();
694
                                }
695
                                // </StyleList>
696
                                xml.closeTag();
697
                                if (mapContextVersion.compareTo("1.0.0") > 0) {
698
                                        // <DimensionList>
699
                                        xml.openTag(WebMapContextTags.DIMENSION_LIST);
700
                                        // <Dimension>
701
                                        // </Dimension>
702
                                        xml.closeTag();
703
                                        // </DimensionList>
704
                                }
705
                        } else {
706
                                xml.writeTag("ERROR", PluginServices.getText(this, "unsupported_map_context_version"));
707
                        }
708
                        // </Layer>
709
                        xml.closeTag();
710
                }
711
                return xml.getXML();
712
        }
713

    
714
        public String getTocImageIcon() {
715
                return "icon-layer-wms";
716
        }
717

    
718
        /*
719
         *  (non-Javadoc)
720
         * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getTileSize()
721
         */
722
        public int[] getTileSize() {
723
                int[] size = {maxTileDrawWidth, maxTileDrawHeight};
724
                return size;
725
        }
726

    
727
        /*
728
         *  (non-Javadoc)
729
         * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#isTiled()
730
         */
731
        public boolean isTiled() {
732
                return mustTileDraw;
733
        }
734

    
735
        /* (non-Javadoc)
736
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#newComposedLayer()
737
         */
738
        public ComposedLayer newComposedLayer() {
739
                Preferences prefs = Preferences.userRoot().node("gvsig.wms");
740

    
741
                /*
742
                 * from java.util.prefs import Preferences
743
                 * prefs = Preferences.userRoot().node("gvsig.wms")
744
                 * prefs.put("useComposedLayer","true")
745
                 */
746

    
747
                String str = prefs.get("useComposedLayer","false");
748
                Boolean useComposedLayer = Boolean.TRUE; // por defecto ya se usan
749
                try {
750
                        useComposedLayer = Boolean.valueOf(str);
751
                } catch (Exception e) {
752

    
753
                }
754
                if (useComposedLayer.booleanValue()) {
755
                        return new ComposedLayerWMS();
756
                } else {
757
                        return null;
758
                }
759
        }
760

    
761
        /*
762
         * Checks if can make a single petition for the two layers to the server
763
         * @see com.iver.cit.gvsig.fmap.layers.ComposedLayerWMS#canAdd(com.iver.cit.gvsig.fmap.layers.FLayer)
764
         */
765
        boolean isComposedLayerCompatible(FLayer layer) {
766
                FLyrWMS aLayer;
767

    
768
                if (!(layer instanceof FLyrWMS)) {
769
                        return false;
770
                }
771
                aLayer = (FLyrWMS)layer;
772
                if (!getParameters().getURI().equals(aLayer.getParameters().getURI())) {
773
                        return false;
774
                }
775
                
776
                WMSDataParameters p = params instanceof WMSDataParameters ? (WMSDataParameters)params : 
777
                        params instanceof TileDataParameters ? (WMSDataParameters)((TileDataParameters) params).getDataParameters() : null;
778
                
779
                if (!p.getFormat().equals(aLayer.getParameters().getFormat())) {
780
                        return false;
781
                }
782
                if (!p.getSRS().equals(aLayer.getParameters().getSRS())) {
783
                        return false;
784
                }
785
                if (p.getInfoLayerQuery() != null) {
786
                        if (!p.getInfoLayerQuery().equals(aLayer.getParameters().getInfoLayerQuery())) {
787
                                return false;
788
                        }
789
                }else if (p.getInfoLayerQuery() != null) {
790
                        return false;
791
                }
792

    
793

    
794
                // isFixedSize es privado
795
                if ((getParameters().getFixedSize() != null) &&
796
                                (aLayer.getParameters().getFixedSize() != null)) {
797
                        if (getParameters().getFixedSize().equals(aLayer.getParameters().getFixedSize())) {
798
                                return false;
799
                        }
800
                } else if ((getParameters().getFixedSize() != null) != (aLayer.getParameters().getFixedSize() != null)) {
801
                        return false;
802
                }
803

    
804
                // time elevation (dimensions)
805
                if ((p.getDimensions() != null) &&
806
                                (aLayer.getParameters().getDimensions() != null)) {
807
                        if (p.getDimensions().size() != aLayer.getParameters().getDimensions().size()) {
808
                                return false;
809
                        } else {
810
                                Iterator<String> iter = p.getDimensions().iterator();
811
                                while (iter.hasNext()) {
812
                                        if (!aLayer.getParameters().getDimensions().contains(iter.next())) {
813
                                                return false;
814
                                        }
815
                                }
816
                        }
817

    
818
                } else if ((p.getDimensions() != null) != (aLayer.getParameters().getDimensions() != null)) {
819
                        return false;
820
                }
821

    
822
                return true;
823
        }
824

    
825
        /*
826
         * (non-Javadoc)
827
         * @see org.gvsig.fmap.raster.layers.FLyrRasterSE#isActionEnabled(int)
828
         */
829
        public boolean isActionEnabled(int action) {
830
                switch (action) {
831
                case IRasterLayerActions.ZOOM_PIXEL_RESOLUTION:
832
                case IRasterLayerActions.FLYRASTER_BAR_TOOLS:
833
                case IRasterLayerActions.BANDS_FILE_LIST:
834
                case IRasterLayerActions.COLOR_TABLE:
835
                case IRasterLayerActions.GEOLOCATION:
836
                case IRasterLayerActions.PANSHARPENING:
837
                case IRasterLayerActions.SAVE_COLORINTERP:
838
                case IRasterLayerActions.SAVEAS:
839
                case IRasterLayerActions.BANDS_RGB:
840
                case IRasterLayerActions.ENHANCED:
841
                case IRasterLayerActions.STATS:
842
                case IRasterLayerActions.NODATA:
843
                        return false;
844
                case IRasterLayerActions.REMOTE_ACTIONS:
845
                        return true;
846
                }
847

    
848
                return super.isActionEnabled(action);
849
        }
850

    
851
        /*
852
         * (non-Javadoc)
853
         * @see org.gvsig.fmap.raster.layers.FLyrRasterSE#getLegend()
854
         */
855
        public ILegend getLegend() {
856
                return new ImageLegend(getDataStore().getImageLegend());
857
        }
858
        
859
        /*
860
         * (non-Javadoc)
861
         * @see org.gvsig.raster.fmap.layers.FLyrRaster#isRemote()
862
         */
863
        public boolean isRemote() {
864
                return true;
865
        }
866

    
867
        /*
868
         * (non-Javadoc)
869
         * @see org.gvsig.fmap.raster.layers.FLyrRasterSE#overviewsSupport()
870
         */
871
        public boolean overviewsSupport() {
872
                return false;
873
        }
874

    
875
        protected void updateDrawVersion() {
876
                if (this.disableUpdateDrawVersion != null){
877

    
878
                        Thread curThread = Thread.currentThread();
879

    
880
                        Thread aThread;
881

    
882
                        Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
883
                        while (iter.hasNext()){
884
                                aThread = (Thread) ((WeakReference<?>)iter.next()).get();
885
                                if (aThread == null){
886
                                        iter.remove();
887
                                } else if(aThread.equals(curThread)){
888
                                        return;
889
                                }
890
                        }
891
                }
892
                //                Exception ex = new Exception();
893
                //                ex.printStackTrace();
894
                super.updateDrawVersion();
895
        }
896

    
897
        protected void disableUpdateDrawVersion() {
898
                if (this.disableUpdateDrawVersion == null) {
899
                        this.disableUpdateDrawVersion = new ArrayList<WeakReference<Thread>>();
900
                }
901
                this.disableUpdateDrawVersion.add(new WeakReference<Thread>(Thread.currentThread()));
902
        }
903

    
904
        protected void enableUpdateDrawVersion() {
905
                if (this.disableUpdateDrawVersion == null){
906
                        return;
907
                }
908
                Thread curThread = Thread.currentThread();
909
                Thread aThread;
910

    
911
                Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
912
                while (iter.hasNext()) {
913
                        aThread = (Thread) ((WeakReference<?>)iter.next()).get();
914
                        if (aThread == null) {
915
                                iter.remove();
916
                        } else if(aThread.equals(curThread)) {
917
                                iter.remove();
918
                                break;
919
                        }
920
                }
921

    
922
        }
923

    
924
        private Rectangle2D.Double getRectable2DFromEnvelope(Envelope env) {
925
                return new Rectangle2D.Double(env.getMinimum(0), env.getMinimum(1), env
926
                                .getLength(0), env.getLength(1));
927
        }
928

    
929
        private Envelope getEnvelopeFromRectable2D(Rectangle2D rect) {
930
                try {
931
                        return geomManager.createEnvelope(rect.getMinX(), rect.getMinY(),
932
                                        rect.getMaxX(), rect.getMaxY(),
933
                                        SUBTYPES.GEOM2D);
934
                } catch (CreateEnvelopeException e) {
935
                        logger.error("Error creating the envelope", e);
936
                }
937
                return null;
938
        }
939
        
940
        /*
941
         * (non-Javadoc)
942
         * @see org.gvsig.raster.fmap.layers.FLyrRaster#getFileFormat()
943
         */
944
        @Override
945
        public String getFileFormat() {
946
                return "WMS";
947
        }
948
        
949
        /*
950
         * (non-Javadoc)
951
         * @see org.gvsig.raster.fmap.layers.DefaultFLyrRaster#getFileLayer()
952
         */
953
        @Override
954
        public FLayer getFileLayer() throws RasterDriverException {
955
                /*if(getDataStore() instanceof DefaultRemoteRasterStore) {
956
                        RemoteRasterProvider prov = (RemoteRasterProvider)((DefaultRemoteRasterStore)getDataStore()).getProvider(0);
957
                        File file = null;
958
                        
959
                        if(getParameters().isSizeFixed()) {
960
                                file = prov.getFileLayer();
961
                        } else {
962
                                file = prov.getLastRequest();
963
                        }
964
                                
965
                        if(file == null)
966
                                return null;
967
                        
968
                        try {
969
                                return DefaultFLyrRaster.createLayer("tmp", file);
970
                        } catch (LoadLayerException e) {
971
                                throw new RasterDriverException(e.getMessage(), e);
972
                        }
973
                }*/
974
                return null;
975
        }
976

    
977
        /**
978
         * Devuelve el envelope en la proyeccion de la vista
979
         */
980
        public Envelope getFullEnvelope() {
981
                Envelope rAux;
982
                rAux = this.fullEnvelope;
983

    
984
                // Esto es para cuando se crea una capa nueva con el fullExtent de ancho
985
                // y alto 0.
986
                if (rAux == null || rAux.getMaximum(0) - rAux.getMinimum(0) == 0
987
                                && rAux.getMaximum(1) - rAux.getMinimum(1) == 0) {
988
                        try {
989
                                rAux = geomManager.createEnvelope(0, 0, 100, 100, SUBTYPES.GEOM2D);
990
                        } catch (CreateEnvelopeException e) {
991
                                logger.error("Error creating the envelope", e);
992
                        }
993
                }
994
                // Si existe reproyecci?n, reproyectar el extent
995
                ICoordTrans ct = getCoordTrans();
996
                if (ct != null) {
997
                        Point2D pt1 = new Point2D.Double(rAux.getMinimum(0), rAux
998
                                        .getMinimum(1));
999
                        Point2D pt2 = new Point2D.Double(rAux.getMaximum(0), rAux
1000
                                        .getMaximum(1));
1001
                        pt1 = ct.convert(pt1, null);
1002
                        pt2 = ct.convert(pt2, null);
1003
                        try {
1004
                                rAux = geomManager.createEnvelope(pt1.getX(), pt1.getY(), pt2
1005
                                                .getX(), pt2.getY(), SUBTYPES.GEOM2D);
1006
                        } catch (CreateEnvelopeException e) {
1007
                                logger.error("Error creating the envelope", e);
1008
                        }// new
1009
                        // Rectangle2D.Double();
1010
                }
1011
                return rAux;
1012

    
1013
        }
1014
        
1015
        /*
1016
         * (non-Javadoc)
1017
         * @see org.gvsig.raster.fmap.layers.FLyrRaster#getFullRasterExtent()
1018
         */
1019
        public Extent getFullRasterExtent() {
1020
                return getExtentFromEnvelope(getFullEnvelope());
1021
        }
1022
        
1023
        public DynObjectSet getInfo(org.gvsig.fmap.geom.primitive.Point p, double tolerance) throws LoadLayerException, DataException {
1024
                Point p1 = new Point((int)p.getX(), (int)p.getY());
1025
                return getInfo(p1, tolerance, null, false);
1026
        }
1027

    
1028
        @Override
1029
        public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel,
1030
                        boolean fast) throws LoadLayerException, DataException {
1031

    
1032
                //try {
1033
                ViewPort viewPort = getMapContext().getViewPort();
1034

    
1035
                getParameters().setExtent(this.getRectable2DFromEnvelope(viewPort.getAdjustedEnvelope()));
1036
                if(getParameters().isSizeFixed()) {
1037
                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
1038
                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
1039
                } else {
1040
                        getParameters().setWidth(viewPort.getImageWidth());
1041
                        getParameters().setHeight(viewPort.getImageHeight());
1042
                }
1043
                
1044
                CancelTaskImpl cancellable = new CancelTaskImpl(cancel);
1045
                getParameters().setCancellable(cancellable);
1046
                
1047
                String fInfo;
1048
                try {
1049
                        Point2D pt = new Point2D.Double();
1050
                        //try {
1051
                                viewPort.getAffineTransform().transform(p, pt);
1052
                        /*} catch (NoninvertibleTransformException e) {
1053
                                return null;
1054
                        }*/
1055
                        
1056
                        Extent bbox = getExtentFromEnvelope(viewPort.getAdjustedEnvelope());
1057
                        fInfo = getDataStore().getInfoByPoint(pt.getX(), 
1058
                                        pt.getY(), 
1059
                                        bbox, 
1060
                                        viewPort.getImageWidth(), 
1061
                                        viewPort.getImageHeight(), 
1062
                                        cancellable);
1063
                } catch (InfoByPointException e) {
1064
                        throw new LoadLayerException("Error in getInfoByPoint", e);
1065
                }
1066
                return new DynObjectSetWMSInfo(fInfo, getParameters().getInfoFormat());
1067
        }
1068
        
1069
        private Extent getExtentFromEnvelope(Envelope env) {
1070
                double minx = env.getMinimum(0);
1071
                double miny = env.getMinimum(1);
1072
                double maxx = env.getMaximum(0);
1073
                double maxy = env.getMaximum(1);
1074
                Point2D ul = new Point2D.Double(minx, maxy);
1075
                Point2D ur = new Point2D.Double(maxx, maxy);
1076
                Point2D ll = new Point2D.Double(minx, miny);
1077
                Point2D lr = new Point2D.Double(maxx, miny);
1078
                return rManager.getDataStructFactory().createExtent(ul, lr, ur, ll);
1079
        }
1080
    
1081
    /**
1082
     * Sets the data store parameters
1083
     * @param params
1084
     * @throws InitializeException
1085
     */
1086
    public void setParameters(DataStoreParameters params) throws InitializeException {
1087
            this.params = params;
1088
            
1089
            if(params instanceof TileDataParameters) {
1090
                        ((TileDataParameters)params).deleteCache(deleteCache);
1091
                }
1092
            
1093
            DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
1094
                try {
1095
                        DataStore dStore = dataman.openStore(params.getDataStoreName(), params);
1096
                        this.setDataStore(dStore);
1097
                        
1098
                        if(params instanceof WMSDataParameters) {
1099
                                this.setName(((WMSDataParameters)params).getURI());
1100
                        }
1101
                        
1102
                        if(params instanceof TileDataParameters) {
1103
                                DataParameters p = ((TileDataParameters) params).getDataParameters();
1104
                                if(p instanceof WMSDataParameters) {
1105
                                        this.setName(((WMSDataParameters) p).getURI());
1106
                                }
1107
                        }
1108
                } catch (ValidateDataParametersException e) {
1109
                        throw new InitializeException(e);
1110
                } catch (ProviderNotRegisteredException e) {
1111
                        throw new InitializeException(e);
1112
                } catch (LoadLayerException e) {
1113
                        throw new InitializeException(e);
1114
                }
1115
    }
1116
    
1117
        public WMSDataParameters getParameters() {
1118
            if(params == null) {
1119
                    DataManager datamanager = DALLocator.getDataManager();
1120
                        WMSServerExplorerParameters explorerParams = null;
1121
                        try {
1122
                                explorerParams = (WMSServerExplorerParameters) datamanager.createServerExplorerParameters(WMSServerExplorer.NAME);
1123
                                explorerParams.setHost("");
1124
                                explorer = (WMSServerExplorer) datamanager.createServerExplorer(explorerParams);
1125
                                DataStoreParameters parameters = explorer.getStoreParameters();
1126
                                if(parameters instanceof WMSDataParameters) {
1127
                                        params = (WMSDataParameters) parameters;
1128
                                }
1129
                        } catch (InitializeException e) {
1130
                        } catch (ProviderNotRegisteredException e) {
1131
                        } catch (ValidateDataParametersException e) {
1132
                        }
1133
            }
1134
            return getWMSParameters(params);
1135
    }
1136
    
1137
    /**
1138
     * Gets <code>WMSDataParameters</code>
1139
     * @param parameters
1140
     * @return
1141
     */
1142
    private WMSDataParameters getWMSParameters(DataStoreParameters parameters) {
1143
            WMSDataParameters params = null;
1144
            if(parameters instanceof WMSDataParameters) {
1145
                        params = (WMSDataParameters) parameters;
1146
                }
1147
                
1148
                if(parameters instanceof TileDataParameters) {
1149
                        DataParameters p = ((TileDataParameters) parameters).getDataParameters();
1150
                        if(p instanceof WMSDataParameters) {
1151
                                params = (WMSDataParameters) p;
1152
                        }
1153
                }
1154
                return params;
1155
    }
1156
    
1157
    /**
1158
         * Assigns the flag to delete this layer from the cache
1159
         * @param selected
1160
         */
1161
        public void deleteCache(boolean deleteCache) {
1162
                this.deleteCache = deleteCache;
1163
        }
1164
    
1165
    /**
1166
     * Sets the explorer
1167
     * @param explorer
1168
     */
1169
    public void setExplorer(WMSServerExplorer explorer) {
1170
            this.explorer = explorer;
1171
    }
1172
    
1173
    /**
1174
     * Gets the explorer
1175
     * @return
1176
     */
1177
    public WMSServerExplorer getExplorer() {
1178
            return this.explorer;
1179
    }
1180
    
1181
    /*
1182
         * (non-Javadoc)
1183
         * @see org.gvsig.fmap.mapcontext.layers.FLyrDefault#cloneLayer()
1184
         */
1185
        public FLayer cloneLayer() throws Exception {
1186
                RasterDataStore  ds = dataStore.cloneDataStore();
1187
                FLyrWMS newLayer = new FLyrWMS();
1188
                newLayer.setName(getName());
1189
                newLayer.setOpenRasterStore(ds);
1190
                newLayer.fullEnvelope = fullEnvelope;
1191
                newLayer.params = params;
1192
                //newLayer.firstLoad = firstLoad;
1193
                newLayer.explorer = explorer;
1194
                
1195
                ArrayList<RasterFilter> filters = getRender().getFilterList().getStatusCloned();
1196

    
1197
                //Hacemos una copia de las bandas a renderizar
1198
                if(getRender().getRenderBands() != null) {
1199
                        int[] rb = new int[getRender().getRenderBands().length];
1200
                        for (int i = 0; i < rb.length; i++)
1201
                                rb[i] = getRender().getRenderBands()[i];
1202
                        newLayer.getRender().setRenderBands(rb);
1203
                }
1204

    
1205
                //Asignamos el entorno
1206
                if(newLayer.getRender().getFilterList() == null)
1207
                        newLayer.getRender().setFilterList(RasterLocator.getManager().createEmptyFilterList(getRender().getFilterList().getInitDataType()));
1208
                newLayer.getRender().getFilterList().setEnv(getRender().getFilterList().getEnv());
1209
                newLayer.getRender().getFilterList().setStatus(filters);
1210

    
1211
                // Asignamos los valores noData del original
1212
                newLayer.setNoDataValue(getNoDataValue());
1213
                if(dataStore.getNoDataValue().isDefined())
1214
                        newLayer.setNoDataTransparent(true);
1215
                newLayer.enableOpen();
1216
                
1217
                return newLayer;
1218
        }
1219
        
1220

    
1221
}