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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 @ 2604

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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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                        }
232
                        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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268
                if(!firstLoad) {
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                        try {
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                                initFilters();
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                                try {
272
                                        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);
276
                                }
277
                        } catch (FilePaletteException e) {
278
                                logger.error(e.getMessage(), this, e);
279
                        }
280
                        firstLoad = true;
281
                }
282
                
283
                enableStopped();
284
                
285
                if(recalcLevel) {
286
                        double pixelSize = viewPort.getEnvelope().getLength(0) / (double)viewPort.getImageWidth();
287
                        zoomLevel = dataStore.getNearestLevel(pixelSize);
288
                }
289
                recalcLevel = true;
290

    
291
                if (isWithinScale(scale)) {
292

    
293
                        if(mustSplitRequest) {
294
                                Point2D p = viewPort.getOffset();
295
                                Rectangle r = new Rectangle((int) p.getX(), (int) p.getY(), viewPort.getImageWidth(), viewPort.getImageHeight());
296
                                Tiling tiles = new Tiling(maxTileDrawWidth, maxTileDrawHeight, r);
297
                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
298

    
299
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
300
                                        // drawing part
301
                                        try {
302
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
303
                                                drawTile(g, vp, taskStatus, scale);
304
                                        } catch (LoadLayerException e) {
305
                                                throw new ReadException(e.getMessage(), e);
306
                                        } catch (NoninvertibleTransformException e) {
307
                                                throw new ReadException(e.getMessage(), e);
308
                                        }
309
                                }
310
                        } else {
311
                                try {
312
                                        drawTile(g, viewPort, taskStatus, scale);
313
                                } catch (LoadLayerException e) {
314
                                        setAvailable(false);
315
                                        logger.error("Server error:" + e.getMessage(), e);
316
                                }
317
                        }
318
                }
319
                disableStopped();
320
        }
321
        
322
                
323
        /**
324
         * This is the method used to draw a tile in a WMS mosaic layer.
325
         * @throws LoadLayerException
326
         * @throws ReadDriverException
327
         * @return true when a tile has been painted
328
         */
329
        private void drawTile(Graphics2D g, ViewPort vp, SimpleTaskStatus taskStatus, double scale) throws LoadLayerException, ReadException {
330
        
331
                // 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();
335
                if (!vpEnv.intersects(envelope)) {
336
                        return;
337
                }
338

    
339
                // 2. Compute extent to be requested.
340
                Rectangle2D bBox = new Rectangle2D.Double();
341
                Rectangle2D.intersect(getRectable2DFromEnvelope(vpEnv),
342
                                getRectable2DFromEnvelope(envelope), bBox);
343

    
344
                // 3. Compute size in pixels
345
                double scalex = vp.getAffineTransform().getScaleX();
346
                double scaley = vp.getAffineTransform().getScaleY();
347
                int wImg = (int) Math.ceil(Math.abs(bBox.getWidth() * scalex) + 1);
348
                int hImg = (int) Math.ceil(Math.abs(bBox.getHeight() * scaley) + 1);
349

    
350
                Dimension sz = new Dimension(wImg, hImg);
351

    
352
                if ((wImg <= 0) || (hImg <= 0)) {
353
                        return;
354
                }
355

    
356
                //try {
357
                        
358
                        Rectangle2D extent = new Rectangle2D.Double();
359
                        Rectangle2D.Double vpExtent = this.getRectable2DFromEnvelope(vpEnv);
360
                        Rectangle2D.intersect(vpExtent, bBox, extent);
361
                        
362
                        Extent ex = rManager.getDataStructFactory().createExtent(
363
                                        vp.getAdjustedEnvelope().getMinimum(0), 
364
                                        vp.getAdjustedEnvelope().getMaximum(1), 
365
                                        vp.getAdjustedEnvelope().getMaximum(0), 
366
                                        vp.getAdjustedEnvelope().getMinimum(1));
367
                        ViewPortData vpData = rManager.getDataStructFactory().createViewPortData(vp.getProjection(), ex, sz );
368
                        vpData.setMat(vp.getAffineTransform());
369

    
370
                        try {
371
                                getParameters().setExtent(bBox);
372
                                if(getParameters().isSizeFixed()) {
373
                                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
374
                                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
375
                                } else {
376
                                        getParameters().setWidth(wImg);
377
                                        getParameters().setHeight(hImg);
378
                                }
379
                                
380
                                if(getDataStore().getParameters() instanceof WMSDataParameters) {
381
                                        getRender().draw(g, vpData, taskStatus);
382
                                } else {
383
                                        Envelope adjustedExtent = vp.getAdjustedExtent();
384
                                        Extent e = rManager.getDataStructFactory().createExtent(adjustedExtent.getLowerCorner().getX(),
385
                                                        adjustedExtent.getUpperCorner().getY(), adjustedExtent.getUpperCorner().getX(),
386
                                                        adjustedExtent.getLowerCorner().getY());
387
                                        ViewPortData vp2 = rManager.getDataStructFactory().createViewPortData(vp.getProjection(), e, vp.getImageSize() );
388
                                        vp2.setMat(vp.getAffineTransform());
389
                                        getParameters().setExtent(ex.toRectangle2D());
390
                                        getRender().drawTiledService(g, vp2, vp.getImageSize(), taskStatus);
391
                                }
392
                                //this.updateDrawVersion();
393
                        
394
                        } catch (ProcessInterruptedException e) {
395
                        } catch (QueryException e) {
396
                                setAvailable(false);
397
                                JOptionPane.showMessageDialog(null, "Problems drawing this layer:" + e.getMessage(), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE);
398
                                logger.info("Problems drawing this layer:" + e.getMessage(), e);
399
                        } finally {
400
                                taskStatus.terminate();                                
401
                        }
402

    
403
                /*} catch (RemoteServiceException e) {
404
                        if (!taskStatus.isCancellationRequested()) {
405
                                if (callCount < MAX_RETRY_TIMES) {
406
                                        logger.warn("\n[ FLyrWMS.drawFixedSize() ]  Failed in trying " + callCount + "/" + MAX_RETRY_TIMES + ")\n"); // mess code
407
                                        drawTile(g, vp, taskStatus, scale);
408
                                } else {
409
                                        if (!isPrinting) {
410
                                                this.setVisible(false);
411
                                        }
412
                                        logger.error("Server error:" + e.getMessage(), e);
413
                                }
414
                        }
415
                }*/
416
                return;
417
        }
418

    
419
        /**
420
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
421
         *                 com.iver.cit.gvsig.fmap.ViewPort,
422
         *                 com.iver.cit.gvsig.fmap.operations.Cancellable)
423
         */
424
        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintRequestAttributeSet properties)
425
        throws ReadException {
426
                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
427
                SimpleTaskStatus taskStatus = new RasterTaskStatus("Printing " + getName() + "...", cancel);
428
                manager.add(taskStatus);
429
                taskStatus.setAutoremove(true);
430

    
431
                if (isVisible() && isWithinScale(scale)){
432
                        if (!mustSplitRequest) {
433
                                draw(null, g, viewPort, cancel,scale);
434
                        } else {
435
                                Tiling tiles = new Tiling(maxTilePrintWidth, maxTilePrintHeight, g.getClipBounds());
436
                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
437
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
438
                                        // Parte que dibuja
439
                                        try {
440
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
441
                                                drawTile(g, vp, taskStatus, scale);
442
                                        } catch (NoninvertibleTransformException e) {
443
                                                throw new ReadException(e.getMessage(), e);
444
                                        } catch (LoadLayerException e) {
445
                                                throw new ReadException(e.getMessage(), e);
446
                                        }
447
                                }
448
                        }
449
                }
450
                taskStatus.terminate();
451
        }
452

    
453
        public void _print(Graphics2D g, ViewPort viewPort, Cancellable cancel,
454
                        double scale) throws ReadException {
455
                draw(null, g, viewPort, cancel,scale);
456
        }
457

    
458
        public HashMap<String, Object> getProperties() {
459
                HashMap<String, Object> info = new HashMap<String, Object>();
460
                String[] layerNames = getParameters().getLayerQuery().split(",");
461
                Vector<WMSLayerNode> layers = new Vector<WMSLayerNode>(layerNames.length);
462
                try {
463
                        //explorer.connect(null);
464
                        for (int i = 0; i < layerNames.length; i++) {
465
                                layers.add(i, getExplorer().getLayer(layerNames[i]));
466
                        }
467
                        info.put("name", getName());
468
                        info.put("selectedLayers", layers);
469
                        info.put("host", getParameters().getURI());
470
                        info.put("srs", getParameters().getSRSCode());
471
                        info.put("format", getParameters().getFormat());
472
                        info.put("infoformat", getParameters().getInfoFormat());
473
                        info.put("wmsTransparency", new Boolean(getParameters().isWmsTransparent()));
474
                        info.put("styles", getParameters().getStyles());
475
                        info.put("dimensions", getParameters().getDimensions());
476
                        info.put("fixedSize", getParameters().getFixedSize());
477
                        return info;
478
                } catch (Exception e) {
479
                        e.printStackTrace();
480
                }
481
                return null;
482
        }
483

    
484
        /**
485
         * Creates the part of a OGC's MapContext document that would describe this
486
         * layer(s).
487
         * @param version, The desired version of the resulting document. (1.1.0)
488
         * @return String containing the xml.
489
         * @throws UnsupportedVersionLayerException
490
         */
491
        @SuppressWarnings({ "unchecked", "rawtypes" })
492
        public String toMapContext(String mapContextVersion) {
493
                XmlBuilder xml = new XmlBuilder();
494
                
495
                String query = getParameters().getLayerQuery();
496
                String[] layerNames = query.split(",");
497
                List<RemoteWMSStyle> styleList = getParameters().getStyles();
498
                for (int i = 0; i < layerNames.length; i++) {
499
                        WMSLayerNode layer = getExplorer().getLayer(layerNames[i]);
500
                        HashMap xmlAttrs = new HashMap();
501

    
502
                        // <Layer>
503
                        xmlAttrs.put(WebMapContextTags.HIDDEN, !isVisible() + "");
504
                        xmlAttrs.put(WebMapContextTags.QUERYABLE, getExplorer().isQueryable() + "");
505
                        xml.openTag(WebMapContextTags.LAYER, xmlAttrs);
506
                        xmlAttrs.clear();
507
                        if (mapContextVersion.equals("1.1.0") || mapContextVersion.equals("1.0.0")) {
508
                                // <Server>
509
                                xmlAttrs.put(WebMapContextTags.SERVICE, WebMapContextTags.WMS);
510
                                xmlAttrs.put(WebMapContextTags.VERSION, getExplorer().getVersion());
511
                                xmlAttrs.put(WebMapContextTags.SERVER_TITLE, getExplorer().getServiceTitle());
512
                                xml.openTag(WebMapContextTags.SERVER, xmlAttrs);
513
                                xmlAttrs.clear();
514

    
515
                                // <OnlineResource>
516
                                xmlAttrs.put(WebMapContextTags.XLINK_TYPE, "simple");
517
                                xmlAttrs.put(WebMapContextTags.XLINK_HREF, getParameters().getURI().toString());
518
                                xml.writeTag(WebMapContextTags.ONLINE_RESOURCE, xmlAttrs);
519
                                xmlAttrs.clear();
520
                                // </OnlineResource>
521

    
522
                                xml.closeTag();
523
                                // </Server>
524

    
525
                                // <Name>
526
                                xml.writeTag(WebMapContextTags.NAME, layer.getName().trim());
527
                                // </Name>
528

    
529
                                // <Title>
530
                                xml.writeTag(WebMapContextTags.TITLE, layer.getTitle().trim());
531
                                //?xml.writeTag(WebMapContextTags.TITLE, getName().trim());
532
                                // </Title>
533

    
534
                                // <Abstract>
535
                                if (layer.getAbstract() != null) {
536
                                        xml.writeTag(WebMapContextTags.ABSTRACT, layer.getAbstract());
537
                                        // </Abstract>
538
                                }
539

    
540
                                // <SRS> (a list of available SRS for the enclosing layer)
541
                                String[] strings = (String[]) layer.getAllSrs().toArray(new String[0]);
542
                                String mySRS = strings[0];
543
                                for (int j = 1; j < strings.length; j++) {
544
                                        mySRS += ","+strings[j];
545
                                }
546
                                xml.writeTag(WebMapContextTags.SRS, mySRS);
547
                                // </SRS>
548

    
549
                                // <FormatList>
550
                                xml.openTag(WebMapContextTags.FORMAT_LIST);
551
                                strings = getExplorer().getFormats();
552
                                for (int j = 0; j < strings.length; j++) {
553
                                        // <Format>
554
                                        String str = strings[j].trim();
555
                                        if (str.equals(getParameters().getFormat())) {
556
                                                xml.writeTag(WebMapContextTags.FORMAT, str, WebMapContextTags.CURRENT, "1");
557
                                        } else {
558
                                                xml.writeTag(WebMapContextTags.FORMAT, str);
559
                                                // </Format>
560
                                        }
561
                                }
562
                                xml.closeTag();
563
                                // </FormatList>
564

    
565
                                // <StyleList>
566
                                xml.openTag(WebMapContextTags.STYLE_LIST);
567

    
568
                                if (layer.getStyles().size() > 0) {
569
                                        for (int j = 0; j < layer.getStyles().size(); j++) {
570
                                                // <Style>
571
                                                RemoteWMSStyle st = layer.getStyles().get(j);
572
                                                if (st.getName().equals(styleList.get(i).getName())) {
573
                                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
574
                                                }
575
                                                xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
576
                                                xmlAttrs.clear();
577

    
578
                                                // <Name>
579
                                                xml.writeTag(WebMapContextTags.NAME, st.getName());
580
                                                // </Name>
581

    
582
                                                // <Title>
583
                                                xml.writeTag(WebMapContextTags.TITLE, st.getTitle());
584
                                                // </Title>
585

    
586
                                                // <LegendURL width="180" format="image/gif" height="50">
587
                                                // <OnlineResource xlink:type="simple" xlink:href="http://globe.digitalearth.gov/globe/en/icons/colorbars/NATIONAL.gif"/>
588
                                                // </OnlineResource>
589
                                                // </LegendURL>
590
                                                xml.closeTag();
591
                                                // </Style>
592

    
593
                                        }
594

    
595
                                } else {
596
                                        // Create fake style (for compatibility issues)
597
                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
598
                                        // <Style>
599
                                        xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
600
                                        xmlAttrs.clear();
601
                                        // <Name>
602
                                        xml.writeTag(WebMapContextTags.NAME, "default");
603
                                        // </Name>
604

    
605
                                        // <Title>
606
                                        xml.writeTag(WebMapContextTags.TITLE, "default");
607
                                        xml.closeTag();
608
                                }
609
                                // </StyleList>
610
                                xml.closeTag();
611
                                if (mapContextVersion.compareTo("1.0.0") > 0) {
612
                                        // <DimensionList>
613
                                        xml.openTag(WebMapContextTags.DIMENSION_LIST);
614
                                        // <Dimension>
615
                                        // </Dimension>
616
                                        xml.closeTag();
617
                                        // </DimensionList>
618
                                }
619
                        } else {
620
                                xml.writeTag("ERROR", PluginServices.getText(this, "unsupported_map_context_version"));
621
                        }
622
                        // </Layer>
623
                        xml.closeTag();
624
                }
625
                return xml.getXML();
626
        }
627

    
628
        public String getTocImageIcon() {
629
                return "icon-layer-wms";
630
        }
631

    
632
        public int[] getTileSize() {
633
                int[] size = {maxTileDrawWidth, maxTileDrawHeight};
634
                return size;
635
        }
636

    
637
        public boolean isTiled() {
638
                return mustSplitRequest;
639
        }
640
        
641
        private void splitRequestCalculation(int width, int height) {
642
                mustSplitRequest = (!getDataStore().isTiled() && (width > 1023 || height > 1023));
643
        }
644

    
645
        public ComposedLayer newComposedLayer() {
646
                Preferences prefs = Preferences.userRoot().node("gvsig.wms");
647

    
648
                /*
649
                 * from java.util.prefs import Preferences
650
                 * prefs = Preferences.userRoot().node("gvsig.wms")
651
                 * prefs.put("useComposedLayer","true")
652
                 */
653

    
654
                String str = prefs.get("useComposedLayer","false");
655
                Boolean useComposedLayer = Boolean.TRUE; // por defecto ya se usan
656
                try {
657
                        useComposedLayer = Boolean.valueOf(str);
658
                } catch (Exception e) {
659

    
660
                }
661
                if (useComposedLayer.booleanValue()) {
662
                        return new ComposedLayerWMS();
663
                } else {
664
                        return null;
665
                }
666
        }
667

    
668
        /*
669
         * Checks if can make a single petition for the two layers to the server
670
         * @see com.iver.cit.gvsig.fmap.layers.ComposedLayerWMS#canAdd(com.iver.cit.gvsig.fmap.layers.FLayer)
671
         */
672
        boolean isComposedLayerCompatible(FLayer layer) {
673
                FLyrWMS aLayer;
674

    
675
                if (!(layer instanceof FLyrWMS)) {
676
                        return false;
677
                }
678
                aLayer = (FLyrWMS)layer;
679
                if (!getParameters().getURI().equals(aLayer.getParameters().getURI())) {
680
                        return false;
681
                }
682
                
683
                WMSDataParameters p = getWMSParameters(getDataStore().getParameters()); 
684
                                
685
                if (!p.getFormat().equals(aLayer.getParameters().getFormat())) {
686
                        return false;
687
                }
688
                if (!p.getSRS().equals(aLayer.getParameters().getSRS())) {
689
                        return false;
690
                }
691
                if (p.getInfoLayerQuery() != null) {
692
                        if (!p.getInfoLayerQuery().equals(aLayer.getParameters().getInfoLayerQuery())) {
693
                                return false;
694
                        }
695
                }else if (p.getInfoLayerQuery() != null) {
696
                        return false;
697
                }
698

    
699

    
700
                // isFixedSize es privado
701
                if ((getParameters().getFixedSize() != null) &&
702
                                (aLayer.getParameters().getFixedSize() != null)) {
703
                        if (getParameters().getFixedSize().equals(aLayer.getParameters().getFixedSize())) {
704
                                return false;
705
                        }
706
                } else if ((getParameters().getFixedSize() != null) != (aLayer.getParameters().getFixedSize() != null)) {
707
                        return false;
708
                }
709

    
710
                // time elevation (dimensions)
711
                if ((p.getDimensions() != null) &&
712
                                (aLayer.getParameters().getDimensions() != null)) {
713
                        if (p.getDimensions().size() != aLayer.getParameters().getDimensions().size()) {
714
                                return false;
715
                        } else {
716
                                Iterator<String> iter = p.getDimensions().iterator();
717
                                while (iter.hasNext()) {
718
                                        if (!aLayer.getParameters().getDimensions().contains(iter.next())) {
719
                                                return false;
720
                                        }
721
                                }
722
                        }
723

    
724
                } else if ((p.getDimensions() != null) != (aLayer.getParameters().getDimensions() != null)) {
725
                        return false;
726
                }
727

    
728
                return true;
729
        }
730

    
731
        public boolean isActionEnabled(int action) {
732
                switch (action) {
733
                case IRasterLayerActions.ZOOM_PIXEL_RESOLUTION:
734
                case IRasterLayerActions.FLYRASTER_BAR_TOOLS:
735
                case IRasterLayerActions.BANDS_FILE_LIST:
736
                case IRasterLayerActions.COLOR_TABLE:
737
                case IRasterLayerActions.GEOLOCATION:
738
                case IRasterLayerActions.PANSHARPENING:
739
                case IRasterLayerActions.SAVE_COLORINTERP:
740
                case IRasterLayerActions.SAVEAS:
741
                case IRasterLayerActions.BANDS_RGB:
742
                case IRasterLayerActions.ENHANCED:
743
                case IRasterLayerActions.STATS:
744
                case IRasterLayerActions.NODATA:
745
                        return false;
746
                case IRasterLayerActions.REMOTE_ACTIONS:
747
                        return true;
748
                }
749

    
750
                return super.isActionEnabled(action);
751
        }
752

    
753
        public ILegend getLegend() {
754
                if(getDataStore() != null) {
755
                        Image img = getDataStore().getImageLegend();
756
                        if(img != null)
757
                                return new ImageLegend(img);
758
                }
759
                return null;
760
        }
761
        
762
        public boolean isRemote() {
763
                return true;
764
        }
765

    
766
        public boolean overviewsSupport() {
767
                return false;
768
        }
769

    
770
        protected void updateDrawVersion() {
771
                if (this.disableUpdateDrawVersion != null){
772

    
773
                        Thread curThread = Thread.currentThread();
774

    
775
                        Thread aThread;
776

    
777
                        Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
778
                        while (iter.hasNext()){
779
                                aThread = (Thread) ((WeakReference<?>)iter.next()).get();
780
                                if (aThread == null){
781
                                        iter.remove();
782
                                } else if(aThread.equals(curThread)){
783
                                        return;
784
                                }
785
                        }
786
                }
787
                //                Exception ex = new Exception();
788
                //                ex.printStackTrace();
789
                super.updateDrawVersion();
790
        }
791

    
792
        protected void disableUpdateDrawVersion() {
793
                if (this.disableUpdateDrawVersion == null) {
794
                        this.disableUpdateDrawVersion = new ArrayList<WeakReference<Thread>>();
795
                }
796
                this.disableUpdateDrawVersion.add(new WeakReference<Thread>(Thread.currentThread()));
797
        }
798

    
799
        protected void enableUpdateDrawVersion() {
800
                if (this.disableUpdateDrawVersion == null){
801
                        return;
802
                }
803
                Thread curThread = Thread.currentThread();
804
                Thread aThread;
805

    
806
                Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
807
                while (iter.hasNext()) {
808
                        aThread = (Thread) ((WeakReference<?>)iter.next()).get();
809
                        if (aThread == null) {
810
                                iter.remove();
811
                        } else if(aThread.equals(curThread)) {
812
                                iter.remove();
813
                                break;
814
                        }
815
                }
816

    
817
        }
818

    
819
        private Rectangle2D.Double getRectable2DFromEnvelope(Envelope env) {
820
                return new Rectangle2D.Double(env.getMinimum(0), env.getMinimum(1), env
821
                                .getLength(0), env.getLength(1));
822
        }
823

    
824
        /*private Envelope getEnvelopeFromRectable2D(Rectangle2D rect) {
825
                try {
826
                        return geomManager.createEnvelope(rect.getMinX(), rect.getMinY(),
827
                                        rect.getMaxX(), rect.getMaxY(),
828
                                        SUBTYPES.GEOM2D);
829
                } catch (CreateEnvelopeException e) {
830
                        logger.error("Error creating the envelope", e);
831
                }
832
                return null;
833
        }*/
834
        
835
        @Override
836
        public String getFileFormat() {
837
                return "WMS";
838
        }
839
        
840
        @Override
841
        public FLayer getFileLayer() throws RasterDriverException {
842
                /*if(getDataStore() instanceof DefaultRemoteRasterStore) {
843
                        RemoteRasterProvider prov = (RemoteRasterProvider)((DefaultRemoteRasterStore)getDataStore()).getProvider(0);
844
                        File file = null;
845
                        
846
                        if(getParameters().isSizeFixed()) {
847
                                file = prov.getFileLayer();
848
                        } else {
849
                                file = prov.getLastRequest();
850
                        }
851
                                
852
                        if(file == null)
853
                                return null;
854
                        
855
                        try {
856
                                return DefaultFLyrRaster.createLayer("tmp", file);
857
                        } catch (LoadLayerException e) {
858
                                throw new RasterDriverException(e.getMessage(), e);
859
                        }
860
                }*/
861
                return null;
862
        }
863

    
864
        /**
865
         * Devuelve el envelope en la proyeccion de la vista
866
         */
867
        public Envelope getFullEnvelope() {
868
                Extent e1 = getDataStore().getExtent();
869
                Envelope rAux = null;
870
                try {
871
                        rAux = geomManager.createEnvelope(e1.getMin().getX(), e1.getMin().getY(), e1.getMax().getX(), e1.getMax().getY(), SUBTYPES.GEOM2D);
872
                } catch (CreateEnvelopeException exc) {
873
                        logger.error("Error creating the envelope", exc);
874
                }
875

    
876
                // Esto es para cuando se crea una capa nueva con el fullExtent de ancho
877
                // y alto 0.
878
                if (rAux == null || rAux.getMaximum(0) - rAux.getMinimum(0) == 0
879
                                && rAux.getMaximum(1) - rAux.getMinimum(1) == 0) {
880
                        try {
881
                                rAux = geomManager.createEnvelope(0, 0, 100, 100, SUBTYPES.GEOM2D);
882
                        } catch (CreateEnvelopeException e) {
883
                                logger.error("Error creating the envelope", e);
884
                        }
885
                }
886
                // Si existe reproyecci?n, reproyectar el extent
887
                ICoordTrans ct = getCoordTrans();
888
                if (ct != null) {
889
                        Point2D pt1 = new Point2D.Double(rAux.getMinimum(0), rAux
890
                                        .getMinimum(1));
891
                        Point2D pt2 = new Point2D.Double(rAux.getMaximum(0), rAux
892
                                        .getMaximum(1));
893
                        pt1 = ct.convert(pt1, null);
894
                        pt2 = ct.convert(pt2, null);
895
                        try {
896
                                rAux = geomManager.createEnvelope(pt1.getX(), pt1.getY(), pt2
897
                                                .getX(), pt2.getY(), SUBTYPES.GEOM2D);
898
                        } catch (CreateEnvelopeException e) {
899
                                logger.error("Error creating the envelope", e);
900
                        }// new
901
                        // Rectangle2D.Double();
902
                }
903
                return rAux;
904

    
905
        }
906
        
907
        public Extent getFullRasterExtent() {
908
                return getExtentFromEnvelope(getFullEnvelope());
909
        }
910
        
911
        public DynObjectSet getInfo(org.gvsig.fmap.geom.primitive.Point p, double tolerance) throws LoadLayerException, DataException {
912
                Point p1 = new Point((int)p.getX(), (int)p.getY());
913
                return getInfo(p1, tolerance, null, false);
914
        }
915

    
916
        @Override
917
        public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel,
918
                        boolean fast) throws LoadLayerException, DataException {
919

    
920
                //try {
921
                ViewPort viewPort = getMapContext().getViewPort();
922

    
923
                getParameters().setExtent(this.getRectable2DFromEnvelope(viewPort.getAdjustedEnvelope()));
924
                if(getParameters().isSizeFixed()) {
925
                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
926
                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
927
                } else {
928
                        getParameters().setWidth(viewPort.getImageWidth());
929
                        getParameters().setHeight(viewPort.getImageHeight());
930
                }
931
                
932
                CancelTaskImpl cancellable = new CancelTaskImpl(cancel);
933
                getParameters().setCancellable(cancellable);
934
                
935
                String fInfo;
936
                try {
937
                        //Point2D pt = new Point2D.Double();
938
                        //try {
939
                                //viewPort.getAffineTransform().transform(p, pt);
940
                        /*} catch (NoninvertibleTransformException e) {
941
                                return null;
942
                        }*/
943
                        
944
                        Extent bbox = getExtentFromEnvelope(viewPort.getAdjustedEnvelope());
945
                        fInfo = getDataStore().getInfoByPoint(p.getX(), 
946
                                        p.getY(), 
947
                                        bbox, 
948
                                        viewPort.getImageWidth(), 
949
                                        viewPort.getImageHeight(), 
950
                                        cancellable);
951
                } catch (InfoByPointException e) {
952
                        throw new LoadLayerException("Error in getInfoByPoint", e);
953
                }
954
                return new DynObjectSetWMSInfo(fInfo, getParameters().getInfoFormat());
955
        }
956
        
957
        private Extent getExtentFromEnvelope(Envelope env) {
958
                double minx = env.getMinimum(0);
959
                double miny = env.getMinimum(1);
960
                double maxx = env.getMaximum(0);
961
                double maxy = env.getMaximum(1);
962
                Point2D ul = new Point2D.Double(minx, maxy);
963
                Point2D ur = new Point2D.Double(maxx, maxy);
964
                Point2D ll = new Point2D.Double(minx, miny);
965
                Point2D lr = new Point2D.Double(maxx, miny);
966
                return rManager.getDataStructFactory().createExtent(ul, lr, ur, ll);
967
        }
968
    
969
    /**
970
     * Sets the data store parameters
971
     * @param params
972
     * @throws InitializeException
973
     */
974
    public void setParameters(DataStoreParameters params) throws InitializeException {
975
            if(params instanceof TileDataParameters) {
976
                        ((TileDataParameters)params).deleteCache(deleteCache);
977
                }
978
            
979
            DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
980
                try {
981
                        DataStore dStore = dataman.openStore(params.getDataStoreName(), params);
982
                        this.setDataStore(dStore);
983
                        
984
                        if(params instanceof WMSDataParameters) {
985
                                this.setName(((WMSDataParameters)params).getURI());
986
                        }
987
                        
988
                        if(params instanceof TileDataParameters) {
989
                                DataParameters p = ((TileDataParameters) params).getDataParameters();
990
                                if(p instanceof WMSDataParameters) {
991
                                        this.setName(((WMSDataParameters) p).getURI());
992
                                }
993
                        }
994
                } catch (ValidateDataParametersException e) {
995
                        throw new InitializeException(e);
996
                } catch (ProviderNotRegisteredException e) {
997
                        throw new InitializeException(e);
998
                } catch (LoadLayerException e) {
999
                        throw new InitializeException(e);
1000
                }
1001
    }
1002
    
1003
        public WMSDataParameters getParameters() {
1004
                return getWMSParameters(getDataStore().getParameters());
1005
    }
1006
    
1007
    /**
1008
     * Gets <code>WMSDataParameters</code>
1009
     * @param parameters
1010
     * @return
1011
     */
1012
    private WMSDataParameters getWMSParameters(DataStoreParameters parameters) {
1013
            WMSDataParameters params = null;
1014
            if(parameters instanceof WMSDataParameters) {
1015
                        params = (WMSDataParameters) parameters;
1016
                }
1017
                
1018
                if(parameters instanceof TileDataParameters) {
1019
                        DataParameters p = ((TileDataParameters) parameters).getDataParameters();
1020
                        if(p instanceof WMSDataParameters) {
1021
                                params = (WMSDataParameters) p;
1022
                        }
1023
                }
1024
                return params;
1025
    }
1026
    
1027
    /**
1028
         * Assigns the flag to delete this layer from the cache
1029
         * @param selected
1030
         */
1031
        public void deleteCache(boolean deleteCache) {
1032
                this.deleteCache = deleteCache;
1033
        }
1034
    
1035
    /**
1036
     * Sets the explorer
1037
     * @param explorer
1038
     */
1039
    public void setExplorer(WMSServerExplorer explorer) {
1040
            if(getDataStore() != null)
1041
                    getDataStore().setExplorer(explorer);
1042
    }
1043
    
1044
    /**
1045
     * Gets the explorer
1046
     * @return
1047
     */
1048
    public WMSServerExplorer getExplorer() {
1049
            try {
1050
                        return (WMSServerExplorer)getDataStore().getExplorer();
1051
                } catch (ValidateDataParametersException e) {
1052
                        logger.debug("Error getting the explorer", e);
1053
                } catch (DataException e) {
1054
                        logger.debug("Error getting the explorer", e);
1055
                }
1056
            return null;
1057
    }
1058
    
1059
        public FLayer cloneLayer() throws Exception {
1060
                RasterDataStore  ds = dataStore.cloneDataStore();
1061
                FLyrWMS newLayer = new FLyrWMS();
1062
                newLayer.setName(getName());
1063
                newLayer.setOpenRasterStore(ds);
1064
                //newLayer.firstLoad = firstLoad;
1065
                newLayer.setExplorer(getExplorer());
1066
                
1067
                List<RasterFilter> filters = getRender().getFilterList().getStatusCloned();
1068

    
1069
                //Hacemos una copia de las bandas a renderizar
1070
                ColorInterpretation ci = getRender().getRenderColorInterpretation();
1071
                if(ci != null) {
1072
                        newLayer.getRender().setRenderColorInterpretation(ci.cloneColorInterpretation());
1073
                }
1074

    
1075
                //Asignamos el entorno
1076
                if(newLayer.getRender().getFilterList() == null)
1077
                        newLayer.getRender().setFilterList(RasterLocator.getManager().createEmptyFilterList(getRender().getFilterList().getInitDataType()));
1078
                newLayer.getRender().getFilterList().setEnv(getRender().getFilterList().getEnv());
1079
                newLayer.getRender().getFilterList().setStatus(filters);
1080

    
1081
                // Asignamos los valores noData del original
1082
                newLayer.setNoDataValue(getNoDataValue());
1083
                if(dataStore.getNoDataValue().isDefined())
1084
                        newLayer.setNoDataTransparent(true);
1085
                newLayer.enableOpen();
1086
                
1087
                return newLayer;
1088
        }
1089
        
1090

    
1091
}