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gvsig-raster / org.gvsig.raster.wms / trunk / org.gvsig.raster.wms / org.gvsig.raster.wms.app.wmsclient / src / main / java / org / gvsig / raster / wms / app / wmsclient / layer / FLyrWMS.java @ 2606

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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.Image;
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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.ProcessInterruptedException;
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import org.gvsig.fmap.dal.coverage.exception.QueryException;
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;
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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.coverage.store.props.ColorInterpretation;
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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.Geometry.SUBTYPES;
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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.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.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.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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/**
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 * FMap's WMS Layer class.
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 *
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 * 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>
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 *
134
 *
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 * @author Jaume Dominguez Faus
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 *
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 */
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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 GeometryManager geomManager               = GeometryLocator.getGeometryManager();
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        private static final Logger          logger                    = LoggerFactory.getLogger(FLyrWMS.class);
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        private boolean                                          mustSplitRequest          = false;
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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 boolean                                                 firstLoad                 = false;
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        private RasterManager                rManager                  = RasterLocator.getManager();
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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());
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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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                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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        public void setDataStore(DataStore dataStore) throws LoadLayerException {
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                this.dataStore = (RasterDataStore) dataStore;
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                try {
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                        this.dataStore.isOpen();
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                        if(!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.
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         * @param formats
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         * Arraywith all the formats supported by the server
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         * @return
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         */
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        @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);
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                        if (format.equals("image/jpg")){
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                                return format;
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                        }
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                        if (format.equals("image/jpeg")){
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                                return format;
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                        }
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                }
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                return (String)formats.get(0);
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        }
238
        
239
        public static void registerPersistent() {
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                PersistenceManager manager = ToolsLocator.getPersistenceManager();
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                DynStruct definition = manager.getDefinition("FLyrWMS_Persistent");
242
                if( definition == null ) {
243
                        if (manager.getDefinition(DefaultFLyrRaster.class) == null) {
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                                DefaultFLyrRaster.registerPersistent();
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                        }
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                        definition = manager.addDefinition(
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                                        FLyrWMS.class,
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                                        "FLyrWMS_Persistent",
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                                        "FLyrWMS Persistent Definition",
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                                        null, 
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                                        null
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                        );
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                        definition.extend(PersistenceManager.PERSISTENCE_NAMESPACE, DefaultFLyrRaster.PERSISTENT_NAME);
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                }
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                DefaultFLyrRaster.registerPersistence(definition);
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        }
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        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,
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                        Cancellable cancel, double scale) throws ReadException {
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                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
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                SimpleTaskStatus taskStatus = new RasterTaskStatus("Drawing " + getName() + "...", cancel);
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                manager.add(taskStatus);
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                taskStatus.setAutoremove(true);
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                splitRequestCalculation(viewPort.getImageWidth(), viewPort.getImageHeight());
268
                
269
                if(!firstLoad) {
270
                        try {
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                                initFilters();
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                                try {
273
                                        if(!isOpen())
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                                                enableOpen();
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                                } catch (NotAvailableStateException e) {
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                                        throw new ReadException("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), e);
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                                }
278
                        } catch (FilePaletteException e) {
279
                                logger.error(e.getMessage(), this, e);
280
                        }
281
                        firstLoad = true;
282
                }
283
                
284
                enableStopped();
285
                
286
                if(recalcLevel) {
287
                        double pixelSize = viewPort.getEnvelope().getLength(0) / (double)viewPort.getImageWidth();
288
                        zoomLevel = dataStore.getNearestLevel(pixelSize);
289
                }
290
                recalcLevel = true;
291

    
292
                if (isWithinScale(scale)) {
293

    
294
                        if(mustSplitRequest) {
295
                                Point2D p = viewPort.getOffset();
296
                                Rectangle r = new Rectangle((int) p.getX(), (int) p.getY(), viewPort.getImageWidth(), viewPort.getImageHeight());
297
                                Tiling tiles = new Tiling(maxTileDrawWidth, maxTileDrawHeight, r);
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                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
299

    
300
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
301
                                        // drawing part
302
                                        try {
303
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
304
                                                drawTile(g, vp, taskStatus, scale);
305
                                        } catch (LoadLayerException e) {
306
                                                throw new ReadException(e.getMessage(), e);
307
                                        } catch (NoninvertibleTransformException e) {
308
                                                throw new ReadException(e.getMessage(), e);
309
                                        }
310
                                }
311
                        } else {
312
                                try {
313
                                        drawTile(g, viewPort, taskStatus, scale);
314
                                } catch (LoadLayerException e) {
315
                                        setAvailable(false);
316
                                        logger.error("Server error:" + e.getMessage(), e);
317
                                }
318
                        }
319
                }
320
                disableStopped();
321
        }
322
        
323
                
324
        /**
325
         * This is the method used to draw a tile in a WMS mosaic layer.
326
         * @throws LoadLayerException
327
         * @throws ReadDriverException
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         * @return true when a tile has been painted
329
         */
330
        private void drawTile(Graphics2D g, ViewPort vp, SimpleTaskStatus taskStatus, double scale) throws LoadLayerException, ReadException {
331
        
332
                // Compute the query geometry
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                // 1. Check if it is within borders
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                Envelope envelope = getFullEnvelope();
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                Envelope vpEnv = vp.getAdjustedExtent();
336
                if (!vpEnv.intersects(envelope)) {
337
                        return;
338
                }
339

    
340
                // 2. Compute extent to be requested.
341
                Rectangle2D bBox = new Rectangle2D.Double();
342
                Rectangle2D.intersect(getRectable2DFromEnvelope(vpEnv),
343
                                getRectable2DFromEnvelope(envelope), bBox);
344

    
345
                // 3. Compute size in pixels
346
                double scalex = vp.getAffineTransform().getScaleX();
347
                double scaley = vp.getAffineTransform().getScaleY();
348
                int wImg = (int) Math.ceil(Math.abs(bBox.getWidth() * scalex) + 1);
349
                int hImg = (int) Math.ceil(Math.abs(bBox.getHeight() * scaley) + 1);
350

    
351
                Dimension sz = new Dimension(wImg, hImg);
352

    
353
                if ((wImg <= 0) || (hImg <= 0)) {
354
                        return;
355
                }
356

    
357
                //try {
358
                        
359
                        Rectangle2D extent = new Rectangle2D.Double();
360
                        Rectangle2D.Double vpExtent = this.getRectable2DFromEnvelope(vpEnv);
361
                        Rectangle2D.intersect(vpExtent, bBox, extent);
362
                        
363
                        Extent ex = rManager.getDataStructFactory().createExtent(
364
                                        vp.getAdjustedEnvelope().getMinimum(0), 
365
                                        vp.getAdjustedEnvelope().getMaximum(1), 
366
                                        vp.getAdjustedEnvelope().getMaximum(0), 
367
                                        vp.getAdjustedEnvelope().getMinimum(1));
368
                        ViewPortData vpData = rManager.getDataStructFactory().createViewPortData(vp.getProjection(), ex, sz );
369
                        vpData.setMat(vp.getAffineTransform());
370

    
371
                        try {
372
                                getParameters().setExtent(bBox);
373
                                if(getParameters().isSizeFixed()) {
374
                                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
375
                                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
376
                                } else {
377
                                        getParameters().setWidth(wImg);
378
                                        getParameters().setHeight(hImg);
379
                                }
380
                                
381
                                if(getDataStore().getParameters() instanceof WMSDataParameters) {
382
                                        getRender().draw(g, vpData, taskStatus);
383
                                } else {
384
                                        Envelope adjustedExtent = vp.getAdjustedExtent();
385
                                        Extent e = rManager.getDataStructFactory().createExtent(adjustedExtent.getLowerCorner().getX(),
386
                                                        adjustedExtent.getUpperCorner().getY(), adjustedExtent.getUpperCorner().getX(),
387
                                                        adjustedExtent.getLowerCorner().getY());
388
                                        ViewPortData vp2 = rManager.getDataStructFactory().createViewPortData(vp.getProjection(), e, vp.getImageSize() );
389
                                        vp2.setMat(vp.getAffineTransform());
390
                                        getParameters().setExtent(ex.toRectangle2D());
391
                                        getRender().drawTiledService(g, vp2, vp.getImageSize(), taskStatus);
392
                                }
393
                                //this.updateDrawVersion();
394
                        
395
                        } catch (ProcessInterruptedException e) {
396
                        } catch (QueryException e) {
397
                                setAvailable(false);
398
                                JOptionPane.showMessageDialog(null, "Problems drawing this layer:" + e.getMessage(), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE);
399
                                logger.info("Problems drawing this layer:" + e.getMessage(), e);
400
                        } finally {
401
                                taskStatus.terminate();                                
402
                        }
403

    
404
                /*} catch (RemoteServiceException e) {
405
                        if (!taskStatus.isCancellationRequested()) {
406
                                if (callCount < MAX_RETRY_TIMES) {
407
                                        logger.warn("\n[ FLyrWMS.drawFixedSize() ]  Failed in trying " + callCount + "/" + MAX_RETRY_TIMES + ")\n"); // mess code
408
                                        drawTile(g, vp, taskStatus, scale);
409
                                } else {
410
                                        if (!isPrinting) {
411
                                                this.setVisible(false);
412
                                        }
413
                                        logger.error("Server error:" + e.getMessage(), e);
414
                                }
415
                        }
416
                }*/
417
                return;
418
        }
419

    
420
        /**
421
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
422
         *                 com.iver.cit.gvsig.fmap.ViewPort,
423
         *                 com.iver.cit.gvsig.fmap.operations.Cancellable)
424
         */
425
        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintRequestAttributeSet properties)
426
        throws ReadException {
427
                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
428
                SimpleTaskStatus taskStatus = new RasterTaskStatus("Printing " + getName() + "...", cancel);
429
                manager.add(taskStatus);
430
                taskStatus.setAutoremove(true);
431
                splitRequestCalculation(viewPort.getImageWidth(), viewPort.getImageHeight());
432

    
433
                if (isVisible() && isWithinScale(scale)){
434
                        if (!mustSplitRequest) {
435
                                draw(null, g, viewPort, cancel,scale);
436
                        } else {
437
                                Tiling tiles = new Tiling(maxTilePrintWidth, maxTilePrintHeight, g.getClipBounds());
438
                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
439
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
440
                                        // Parte que dibuja
441
                                        try {
442
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
443
                                                drawTile(g, vp, taskStatus, scale);
444
                                        } catch (NoninvertibleTransformException e) {
445
                                                throw new ReadException(e.getMessage(), e);
446
                                        } catch (LoadLayerException e) {
447
                                                throw new ReadException(e.getMessage(), e);
448
                                        }
449
                                }
450
                        }
451
                }
452
                taskStatus.terminate();
453
        }
454

    
455
        public void _print(Graphics2D g, ViewPort viewPort, Cancellable cancel,
456
                        double scale) throws ReadException {
457
                draw(null, g, viewPort, cancel,scale);
458
        }
459

    
460
        public HashMap<String, Object> getProperties() {
461
                HashMap<String, Object> info = new HashMap<String, Object>();
462
                String[] layerNames = getParameters().getLayerQuery().split(",");
463
                Vector<WMSLayerNode> layers = new Vector<WMSLayerNode>(layerNames.length);
464
                try {
465
                        //explorer.connect(null);
466
                        for (int i = 0; i < layerNames.length; i++) {
467
                                layers.add(i, getExplorer().getLayer(layerNames[i]));
468
                        }
469
                        info.put("name", getName());
470
                        info.put("selectedLayers", layers);
471
                        info.put("host", getParameters().getURI());
472
                        info.put("srs", getParameters().getSRSCode());
473
                        info.put("format", getParameters().getFormat());
474
                        info.put("infoformat", getParameters().getInfoFormat());
475
                        info.put("wmsTransparency", new Boolean(getParameters().isWmsTransparent()));
476
                        info.put("styles", getParameters().getStyles());
477
                        info.put("dimensions", getParameters().getDimensions());
478
                        info.put("fixedSize", getParameters().getFixedSize());
479
                        return info;
480
                } catch (Exception e) {
481
                        e.printStackTrace();
482
                }
483
                return null;
484
        }
485

    
486
        /**
487
         * Creates the part of a OGC's MapContext document that would describe this
488
         * layer(s).
489
         * @param version, The desired version of the resulting document. (1.1.0)
490
         * @return String containing the xml.
491
         * @throws UnsupportedVersionLayerException
492
         */
493
        @SuppressWarnings({ "unchecked", "rawtypes" })
494
        public String toMapContext(String mapContextVersion) {
495
                XmlBuilder xml = new XmlBuilder();
496
                
497
                String query = getParameters().getLayerQuery();
498
                String[] layerNames = query.split(",");
499
                List<RemoteWMSStyle> styleList = getParameters().getStyles();
500
                for (int i = 0; i < layerNames.length; i++) {
501
                        WMSLayerNode layer = getExplorer().getLayer(layerNames[i]);
502
                        HashMap xmlAttrs = new HashMap();
503

    
504
                        // <Layer>
505
                        xmlAttrs.put(WebMapContextTags.HIDDEN, !isVisible() + "");
506
                        xmlAttrs.put(WebMapContextTags.QUERYABLE, getExplorer().isQueryable() + "");
507
                        xml.openTag(WebMapContextTags.LAYER, xmlAttrs);
508
                        xmlAttrs.clear();
509
                        if (mapContextVersion.equals("1.1.0") || mapContextVersion.equals("1.0.0")) {
510
                                // <Server>
511
                                xmlAttrs.put(WebMapContextTags.SERVICE, WebMapContextTags.WMS);
512
                                xmlAttrs.put(WebMapContextTags.VERSION, getExplorer().getVersion());
513
                                xmlAttrs.put(WebMapContextTags.SERVER_TITLE, getExplorer().getServiceTitle());
514
                                xml.openTag(WebMapContextTags.SERVER, xmlAttrs);
515
                                xmlAttrs.clear();
516

    
517
                                // <OnlineResource>
518
                                xmlAttrs.put(WebMapContextTags.XLINK_TYPE, "simple");
519
                                xmlAttrs.put(WebMapContextTags.XLINK_HREF, getParameters().getURI().toString());
520
                                xml.writeTag(WebMapContextTags.ONLINE_RESOURCE, xmlAttrs);
521
                                xmlAttrs.clear();
522
                                // </OnlineResource>
523

    
524
                                xml.closeTag();
525
                                // </Server>
526

    
527
                                // <Name>
528
                                xml.writeTag(WebMapContextTags.NAME, layer.getName().trim());
529
                                // </Name>
530

    
531
                                // <Title>
532
                                xml.writeTag(WebMapContextTags.TITLE, layer.getTitle().trim());
533
                                //?xml.writeTag(WebMapContextTags.TITLE, getName().trim());
534
                                // </Title>
535

    
536
                                // <Abstract>
537
                                if (layer.getAbstract() != null) {
538
                                        xml.writeTag(WebMapContextTags.ABSTRACT, layer.getAbstract());
539
                                        // </Abstract>
540
                                }
541

    
542
                                // <SRS> (a list of available SRS for the enclosing layer)
543
                                String[] strings = (String[]) layer.getAllSrs().toArray(new String[0]);
544
                                String mySRS = strings[0];
545
                                for (int j = 1; j < strings.length; j++) {
546
                                        mySRS += ","+strings[j];
547
                                }
548
                                xml.writeTag(WebMapContextTags.SRS, mySRS);
549
                                // </SRS>
550

    
551
                                // <FormatList>
552
                                xml.openTag(WebMapContextTags.FORMAT_LIST);
553
                                strings = getExplorer().getFormats();
554
                                for (int j = 0; j < strings.length; j++) {
555
                                        // <Format>
556
                                        String str = strings[j].trim();
557
                                        if (str.equals(getParameters().getFormat())) {
558
                                                xml.writeTag(WebMapContextTags.FORMAT, str, WebMapContextTags.CURRENT, "1");
559
                                        } else {
560
                                                xml.writeTag(WebMapContextTags.FORMAT, str);
561
                                                // </Format>
562
                                        }
563
                                }
564
                                xml.closeTag();
565
                                // </FormatList>
566

    
567
                                // <StyleList>
568
                                xml.openTag(WebMapContextTags.STYLE_LIST);
569

    
570
                                if (layer.getStyles().size() > 0) {
571
                                        for (int j = 0; j < layer.getStyles().size(); j++) {
572
                                                // <Style>
573
                                                RemoteWMSStyle st = layer.getStyles().get(j);
574
                                                if (st.getName().equals(styleList.get(i).getName())) {
575
                                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
576
                                                }
577
                                                xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
578
                                                xmlAttrs.clear();
579

    
580
                                                // <Name>
581
                                                xml.writeTag(WebMapContextTags.NAME, st.getName());
582
                                                // </Name>
583

    
584
                                                // <Title>
585
                                                xml.writeTag(WebMapContextTags.TITLE, st.getTitle());
586
                                                // </Title>
587

    
588
                                                // <LegendURL width="180" format="image/gif" height="50">
589
                                                // <OnlineResource xlink:type="simple" xlink:href="http://globe.digitalearth.gov/globe/en/icons/colorbars/NATIONAL.gif"/>
590
                                                // </OnlineResource>
591
                                                // </LegendURL>
592
                                                xml.closeTag();
593
                                                // </Style>
594

    
595
                                        }
596

    
597
                                } else {
598
                                        // Create fake style (for compatibility issues)
599
                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
600
                                        // <Style>
601
                                        xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
602
                                        xmlAttrs.clear();
603
                                        // <Name>
604
                                        xml.writeTag(WebMapContextTags.NAME, "default");
605
                                        // </Name>
606

    
607
                                        // <Title>
608
                                        xml.writeTag(WebMapContextTags.TITLE, "default");
609
                                        xml.closeTag();
610
                                }
611
                                // </StyleList>
612
                                xml.closeTag();
613
                                if (mapContextVersion.compareTo("1.0.0") > 0) {
614
                                        // <DimensionList>
615
                                        xml.openTag(WebMapContextTags.DIMENSION_LIST);
616
                                        // <Dimension>
617
                                        // </Dimension>
618
                                        xml.closeTag();
619
                                        // </DimensionList>
620
                                }
621
                        } else {
622
                                xml.writeTag("ERROR", PluginServices.getText(this, "unsupported_map_context_version"));
623
                        }
624
                        // </Layer>
625
                        xml.closeTag();
626
                }
627
                return xml.getXML();
628
        }
629

    
630
        public String getTocImageIcon() {
631
                return "icon-layer-wms";
632
        }
633

    
634
        public int[] getTileSize() {
635
                int[] size = {maxTileDrawWidth, maxTileDrawHeight};
636
                return size;
637
        }
638

    
639
        public boolean isTiled() {
640
                return mustSplitRequest;
641
        }
642
        
643
        private void splitRequestCalculation(int width, int height) {
644
                mustSplitRequest = (!getDataStore().isTiled() && (width > 1023 || height > 1023));
645
        }
646

    
647
        public ComposedLayer newComposedLayer() {
648
                Preferences prefs = Preferences.userRoot().node("gvsig.wms");
649

    
650
                /*
651
                 * from java.util.prefs import Preferences
652
                 * prefs = Preferences.userRoot().node("gvsig.wms")
653
                 * prefs.put("useComposedLayer","true")
654
                 */
655

    
656
                String str = prefs.get("useComposedLayer","false");
657
                Boolean useComposedLayer = Boolean.TRUE; // por defecto ya se usan
658
                try {
659
                        useComposedLayer = Boolean.valueOf(str);
660
                } catch (Exception e) {
661

    
662
                }
663
                if (useComposedLayer.booleanValue()) {
664
                        return new ComposedLayerWMS();
665
                } else {
666
                        return null;
667
                }
668
        }
669

    
670
        /*
671
         * Checks if can make a single petition for the two layers to the server
672
         * @see com.iver.cit.gvsig.fmap.layers.ComposedLayerWMS#canAdd(com.iver.cit.gvsig.fmap.layers.FLayer)
673
         */
674
        boolean isComposedLayerCompatible(FLayer layer) {
675
                FLyrWMS aLayer;
676

    
677
                if (!(layer instanceof FLyrWMS)) {
678
                        return false;
679
                }
680
                aLayer = (FLyrWMS)layer;
681
                if (!getParameters().getURI().equals(aLayer.getParameters().getURI())) {
682
                        return false;
683
                }
684
                
685
                WMSDataParameters p = getWMSParameters(getDataStore().getParameters()); 
686
                                
687
                if (!p.getFormat().equals(aLayer.getParameters().getFormat())) {
688
                        return false;
689
                }
690
                if (!p.getSRS().equals(aLayer.getParameters().getSRS())) {
691
                        return false;
692
                }
693
                if (p.getInfoLayerQuery() != null) {
694
                        if (!p.getInfoLayerQuery().equals(aLayer.getParameters().getInfoLayerQuery())) {
695
                                return false;
696
                        }
697
                }else if (p.getInfoLayerQuery() != null) {
698
                        return false;
699
                }
700

    
701

    
702
                // isFixedSize es privado
703
                if ((getParameters().getFixedSize() != null) &&
704
                                (aLayer.getParameters().getFixedSize() != null)) {
705
                        if (getParameters().getFixedSize().equals(aLayer.getParameters().getFixedSize())) {
706
                                return false;
707
                        }
708
                } else if ((getParameters().getFixedSize() != null) != (aLayer.getParameters().getFixedSize() != null)) {
709
                        return false;
710
                }
711

    
712
                // time elevation (dimensions)
713
                if ((p.getDimensions() != null) &&
714
                                (aLayer.getParameters().getDimensions() != null)) {
715
                        if (p.getDimensions().size() != aLayer.getParameters().getDimensions().size()) {
716
                                return false;
717
                        } else {
718
                                Iterator<String> iter = p.getDimensions().iterator();
719
                                while (iter.hasNext()) {
720
                                        if (!aLayer.getParameters().getDimensions().contains(iter.next())) {
721
                                                return false;
722
                                        }
723
                                }
724
                        }
725

    
726
                } else if ((p.getDimensions() != null) != (aLayer.getParameters().getDimensions() != null)) {
727
                        return false;
728
                }
729

    
730
                return true;
731
        }
732

    
733
        public boolean isActionEnabled(int action) {
734
                switch (action) {
735
                case IRasterLayerActions.ZOOM_PIXEL_RESOLUTION:
736
                case IRasterLayerActions.FLYRASTER_BAR_TOOLS:
737
                case IRasterLayerActions.BANDS_FILE_LIST:
738
                case IRasterLayerActions.COLOR_TABLE:
739
                case IRasterLayerActions.GEOLOCATION:
740
                case IRasterLayerActions.PANSHARPENING:
741
                case IRasterLayerActions.SAVE_COLORINTERP:
742
                case IRasterLayerActions.SAVEAS:
743
                case IRasterLayerActions.BANDS_RGB:
744
                case IRasterLayerActions.ENHANCED:
745
                case IRasterLayerActions.STATS:
746
                case IRasterLayerActions.NODATA:
747
                        return false;
748
                case IRasterLayerActions.REMOTE_ACTIONS:
749
                        return true;
750
                }
751

    
752
                return super.isActionEnabled(action);
753
        }
754

    
755
        public ILegend getLegend() {
756
                if(getDataStore() != null) {
757
                        Image img = getDataStore().getImageLegend();
758
                        if(img != null)
759
                                return new ImageLegend(img);
760
                }
761
                return null;
762
        }
763
        
764
        public boolean isRemote() {
765
                return true;
766
        }
767

    
768
        public boolean overviewsSupport() {
769
                return false;
770
        }
771

    
772
        protected void updateDrawVersion() {
773
                if (this.disableUpdateDrawVersion != null){
774

    
775
                        Thread curThread = Thread.currentThread();
776

    
777
                        Thread aThread;
778

    
779
                        Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
780
                        while (iter.hasNext()){
781
                                aThread = (Thread) ((WeakReference<?>)iter.next()).get();
782
                                if (aThread == null){
783
                                        iter.remove();
784
                                } else if(aThread.equals(curThread)){
785
                                        return;
786
                                }
787
                        }
788
                }
789
                //                Exception ex = new Exception();
790
                //                ex.printStackTrace();
791
                super.updateDrawVersion();
792
        }
793

    
794
        protected void disableUpdateDrawVersion() {
795
                if (this.disableUpdateDrawVersion == null) {
796
                        this.disableUpdateDrawVersion = new ArrayList<WeakReference<Thread>>();
797
                }
798
                this.disableUpdateDrawVersion.add(new WeakReference<Thread>(Thread.currentThread()));
799
        }
800

    
801
        protected void enableUpdateDrawVersion() {
802
                if (this.disableUpdateDrawVersion == null){
803
                        return;
804
                }
805
                Thread curThread = Thread.currentThread();
806
                Thread aThread;
807

    
808
                Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
809
                while (iter.hasNext()) {
810
                        aThread = (Thread) ((WeakReference<?>)iter.next()).get();
811
                        if (aThread == null) {
812
                                iter.remove();
813
                        } else if(aThread.equals(curThread)) {
814
                                iter.remove();
815
                                break;
816
                        }
817
                }
818

    
819
        }
820

    
821
        private Rectangle2D.Double getRectable2DFromEnvelope(Envelope env) {
822
                return new Rectangle2D.Double(env.getMinimum(0), env.getMinimum(1), env
823
                                .getLength(0), env.getLength(1));
824
        }
825

    
826
        /*private Envelope getEnvelopeFromRectable2D(Rectangle2D rect) {
827
                try {
828
                        return geomManager.createEnvelope(rect.getMinX(), rect.getMinY(),
829
                                        rect.getMaxX(), rect.getMaxY(),
830
                                        SUBTYPES.GEOM2D);
831
                } catch (CreateEnvelopeException e) {
832
                        logger.error("Error creating the envelope", e);
833
                }
834
                return null;
835
        }*/
836
        
837
        @Override
838
        public String getFileFormat() {
839
                return "WMS";
840
        }
841
        
842
        @Override
843
        public FLayer getFileLayer() throws RasterDriverException {
844
                /*if(getDataStore() instanceof DefaultRemoteRasterStore) {
845
                        RemoteRasterProvider prov = (RemoteRasterProvider)((DefaultRemoteRasterStore)getDataStore()).getProvider(0);
846
                        File file = null;
847
                        
848
                        if(getParameters().isSizeFixed()) {
849
                                file = prov.getFileLayer();
850
                        } else {
851
                                file = prov.getLastRequest();
852
                        }
853
                                
854
                        if(file == null)
855
                                return null;
856
                        
857
                        try {
858
                                return DefaultFLyrRaster.createLayer("tmp", file);
859
                        } catch (LoadLayerException e) {
860
                                throw new RasterDriverException(e.getMessage(), e);
861
                        }
862
                }*/
863
                return null;
864
        }
865

    
866
        /**
867
         * Devuelve el envelope en la proyeccion de la vista
868
         */
869
        public Envelope getFullEnvelope() {
870
                Extent e1 = getDataStore().getExtent();
871
                Envelope rAux = null;
872
                try {
873
                        rAux = geomManager.createEnvelope(e1.getMin().getX(), e1.getMin().getY(), e1.getMax().getX(), e1.getMax().getY(), SUBTYPES.GEOM2D);
874
                } catch (CreateEnvelopeException exc) {
875
                        logger.error("Error creating the envelope", exc);
876
                }
877

    
878
                // Esto es para cuando se crea una capa nueva con el fullExtent de ancho
879
                // y alto 0.
880
                if (rAux == null || rAux.getMaximum(0) - rAux.getMinimum(0) == 0
881
                                && rAux.getMaximum(1) - rAux.getMinimum(1) == 0) {
882
                        try {
883
                                rAux = geomManager.createEnvelope(0, 0, 100, 100, SUBTYPES.GEOM2D);
884
                        } catch (CreateEnvelopeException e) {
885
                                logger.error("Error creating the envelope", e);
886
                        }
887
                }
888
                // Si existe reproyecci?n, reproyectar el extent
889
                ICoordTrans ct = getCoordTrans();
890
                if (ct != null) {
891
                        Point2D pt1 = new Point2D.Double(rAux.getMinimum(0), rAux
892
                                        .getMinimum(1));
893
                        Point2D pt2 = new Point2D.Double(rAux.getMaximum(0), rAux
894
                                        .getMaximum(1));
895
                        pt1 = ct.convert(pt1, null);
896
                        pt2 = ct.convert(pt2, null);
897
                        try {
898
                                rAux = geomManager.createEnvelope(pt1.getX(), pt1.getY(), pt2
899
                                                .getX(), pt2.getY(), SUBTYPES.GEOM2D);
900
                        } catch (CreateEnvelopeException e) {
901
                                logger.error("Error creating the envelope", e);
902
                        }// new
903
                        // Rectangle2D.Double();
904
                }
905
                return rAux;
906

    
907
        }
908
        
909
        public Extent getFullRasterExtent() {
910
                return getExtentFromEnvelope(getFullEnvelope());
911
        }
912
        
913
        public DynObjectSet getInfo(org.gvsig.fmap.geom.primitive.Point p, double tolerance) throws LoadLayerException, DataException {
914
                Point p1 = new Point((int)p.getX(), (int)p.getY());
915
                return getInfo(p1, tolerance, null, false);
916
        }
917

    
918
        @Override
919
        public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel,
920
                        boolean fast) throws LoadLayerException, DataException {
921

    
922
                //try {
923
                ViewPort viewPort = getMapContext().getViewPort();
924

    
925
                getParameters().setExtent(this.getRectable2DFromEnvelope(viewPort.getAdjustedEnvelope()));
926
                if(getParameters().isSizeFixed()) {
927
                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
928
                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
929
                } else {
930
                        getParameters().setWidth(viewPort.getImageWidth());
931
                        getParameters().setHeight(viewPort.getImageHeight());
932
                }
933
                
934
                CancelTaskImpl cancellable = new CancelTaskImpl(cancel);
935
                getParameters().setCancellable(cancellable);
936
                
937
                String fInfo;
938
                try {
939
                        //Point2D pt = new Point2D.Double();
940
                        //try {
941
                                //viewPort.getAffineTransform().transform(p, pt);
942
                        /*} catch (NoninvertibleTransformException e) {
943
                                return null;
944
                        }*/
945
                        
946
                        Extent bbox = getExtentFromEnvelope(viewPort.getAdjustedEnvelope());
947
                        fInfo = getDataStore().getInfoByPoint(p.getX(), 
948
                                        p.getY(), 
949
                                        bbox, 
950
                                        viewPort.getImageWidth(), 
951
                                        viewPort.getImageHeight(), 
952
                                        cancellable);
953
                } catch (InfoByPointException e) {
954
                        throw new LoadLayerException("Error in getInfoByPoint", e);
955
                }
956
                return new DynObjectSetWMSInfo(fInfo, getParameters().getInfoFormat());
957
        }
958
        
959
        private Extent getExtentFromEnvelope(Envelope env) {
960
                double minx = env.getMinimum(0);
961
                double miny = env.getMinimum(1);
962
                double maxx = env.getMaximum(0);
963
                double maxy = env.getMaximum(1);
964
                Point2D ul = new Point2D.Double(minx, maxy);
965
                Point2D ur = new Point2D.Double(maxx, maxy);
966
                Point2D ll = new Point2D.Double(minx, miny);
967
                Point2D lr = new Point2D.Double(maxx, miny);
968
                return rManager.getDataStructFactory().createExtent(ul, lr, ur, ll);
969
        }
970
    
971
    /**
972
     * Sets the data store parameters
973
     * @param params
974
     * @throws InitializeException
975
     */
976
    public void setParameters(DataStoreParameters params) throws InitializeException {
977
            if(params instanceof TileDataParameters) {
978
                        ((TileDataParameters)params).deleteCache(deleteCache);
979
                }
980
            
981
            DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
982
                try {
983
                        DataStore dStore = dataman.openStore(params.getDataStoreName(), params);
984
                        this.setDataStore(dStore);
985
                        
986
                        if(params instanceof WMSDataParameters) {
987
                                this.setName(((WMSDataParameters)params).getURI());
988
                        }
989
                        
990
                        if(params instanceof TileDataParameters) {
991
                                DataParameters p = ((TileDataParameters) params).getDataParameters();
992
                                if(p instanceof WMSDataParameters) {
993
                                        this.setName(((WMSDataParameters) p).getURI());
994
                                }
995
                        }
996
                } catch (ValidateDataParametersException e) {
997
                        throw new InitializeException(e);
998
                } catch (ProviderNotRegisteredException e) {
999
                        throw new InitializeException(e);
1000
                } catch (LoadLayerException e) {
1001
                        throw new InitializeException(e);
1002
                }
1003
    }
1004
    
1005
        public WMSDataParameters getParameters() {
1006
                return getWMSParameters(getDataStore().getParameters());
1007
    }
1008
    
1009
    /**
1010
     * Gets <code>WMSDataParameters</code>
1011
     * @param parameters
1012
     * @return
1013
     */
1014
    private WMSDataParameters getWMSParameters(DataStoreParameters parameters) {
1015
            WMSDataParameters params = null;
1016
            if(parameters instanceof WMSDataParameters) {
1017
                        params = (WMSDataParameters) parameters;
1018
                }
1019
                
1020
                if(parameters instanceof TileDataParameters) {
1021
                        DataParameters p = ((TileDataParameters) parameters).getDataParameters();
1022
                        if(p instanceof WMSDataParameters) {
1023
                                params = (WMSDataParameters) p;
1024
                        }
1025
                }
1026
                return params;
1027
    }
1028
    
1029
    /**
1030
         * Assigns the flag to delete this layer from the cache
1031
         * @param selected
1032
         */
1033
        public void deleteCache(boolean deleteCache) {
1034
                this.deleteCache = deleteCache;
1035
        }
1036
    
1037
    /**
1038
     * Sets the explorer
1039
     * @param explorer
1040
     */
1041
    public void setExplorer(WMSServerExplorer explorer) {
1042
            if(getDataStore() != null)
1043
                    getDataStore().setExplorer(explorer);
1044
    }
1045
    
1046
    /**
1047
     * Gets the explorer
1048
     * @return
1049
     */
1050
    public WMSServerExplorer getExplorer() {
1051
            try {
1052
                        return (WMSServerExplorer)getDataStore().getExplorer();
1053
                } catch (ValidateDataParametersException e) {
1054
                        logger.debug("Error getting the explorer", e);
1055
                } catch (DataException e) {
1056
                        logger.debug("Error getting the explorer", e);
1057
                }
1058
            return null;
1059
    }
1060
    
1061
        public FLayer cloneLayer() throws Exception {
1062
                RasterDataStore  ds = dataStore.cloneDataStore();
1063
                FLyrWMS newLayer = new FLyrWMS();
1064
                newLayer.setName(getName());
1065
                newLayer.setOpenRasterStore(ds);
1066
                //newLayer.firstLoad = firstLoad;
1067
                newLayer.setExplorer(getExplorer());
1068
                
1069
                List<RasterFilter> filters = getRender().getFilterList().getStatusCloned();
1070

    
1071
                //Hacemos una copia de las bandas a renderizar
1072
                ColorInterpretation ci = getRender().getRenderColorInterpretation();
1073
                if(ci != null) {
1074
                        newLayer.getRender().setRenderColorInterpretation(ci.cloneColorInterpretation());
1075
                }
1076

    
1077
                //Asignamos el entorno
1078
                if(newLayer.getRender().getFilterList() == null)
1079
                        newLayer.getRender().setFilterList(RasterLocator.getManager().createEmptyFilterList(getRender().getFilterList().getInitDataType()));
1080
                newLayer.getRender().getFilterList().setEnv(getRender().getFilterList().getEnv());
1081
                newLayer.getRender().getFilterList().setStatus(filters);
1082

    
1083
                // Asignamos los valores noData del original
1084
                newLayer.setNoDataValue(getNoDataValue());
1085
                if(dataStore.getNoDataValue().isDefined())
1086
                        newLayer.setNoDataTransparent(true);
1087
                newLayer.enableOpen();
1088
                
1089
                return newLayer;
1090
        }
1091
        
1092

    
1093
}