Statistics
| Revision:

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 @ 2850

History | View | Annotate | Download (36.7 KB)

1
/* gvSIG. Geographic Information System of the Valencian Government
2
*
3
* Copyright (C) 2007-2008 Infrastructures and Transports Department
4
* of the Valencian Government (CIT)
5
* 
6
* This program is free software; you can redistribute it and/or
7
* modify it under the terms of the GNU General Public License
8
* as published by the Free Software Foundation; either version 2
9
* of the License, or (at your option) any later version.
10
* 
11
* This program is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
* GNU General Public License for more details.
15
* 
16
* You should have received a copy of the GNU General Public License
17
* along with this program; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
19
* MA  02110-1301, USA.
20
* 
21
*/
22
 
23
package org.gvsig.raster.wms.app.wmsclient.layer;
24

    
25
import java.awt.Dimension;
26
import java.awt.Graphics2D;
27
import java.awt.Image;
28
import java.awt.Point;
29
import java.awt.Rectangle;
30
import java.awt.geom.AffineTransform;
31
import java.awt.geom.NoninvertibleTransformException;
32
import java.awt.geom.Point2D;
33
import java.awt.geom.Rectangle2D;
34
import java.awt.image.BufferedImage;
35
import java.lang.ref.WeakReference;
36
import java.util.ArrayList;
37
import java.util.HashMap;
38
import java.util.Iterator;
39
import java.util.List;
40
import java.util.Vector;
41
import java.util.prefs.Preferences;
42

    
43
import javax.print.attribute.PrintRequestAttributeSet;
44
import javax.swing.JOptionPane;
45

    
46
import org.cresques.cts.ICoordTrans;
47
import org.cresques.cts.IProjection;
48
import org.gvsig.andami.PluginServices;
49
import org.gvsig.fmap.dal.DALLocator;
50
import org.gvsig.fmap.dal.DataManager;
51
import org.gvsig.fmap.dal.DataParameters;
52
import org.gvsig.fmap.dal.DataStore;
53
import org.gvsig.fmap.dal.DataStoreParameters;
54
import org.gvsig.fmap.dal.coverage.RasterLocator;
55
import org.gvsig.fmap.dal.coverage.RasterManager;
56
import org.gvsig.fmap.dal.coverage.datastruct.Extent;
57
import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData;
58
import org.gvsig.fmap.dal.coverage.exception.FilePaletteException;
59
import org.gvsig.fmap.dal.coverage.exception.InfoByPointException;
60
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;
61
import org.gvsig.fmap.dal.coverage.exception.QueryException;
62
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;
63
import org.gvsig.fmap.dal.coverage.grid.RasterFilter;
64
import org.gvsig.fmap.dal.coverage.store.RasterDataStore;
65
import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters;
66
import org.gvsig.fmap.dal.coverage.store.parameter.RemoteStoreParameters;
67
import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters;
68
import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation;
69
import org.gvsig.fmap.dal.exception.DataException;
70
import org.gvsig.fmap.dal.exception.InitializeException;
71
import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException;
72
import org.gvsig.fmap.dal.exception.ReadException;
73
import org.gvsig.fmap.dal.exception.ValidateDataParametersException;
74
import org.gvsig.fmap.dal.spi.DataManagerProviderServices;
75
import org.gvsig.fmap.geom.Geometry.SUBTYPES;
76
import org.gvsig.fmap.geom.GeometryLocator;
77
import org.gvsig.fmap.geom.GeometryManager;
78
import org.gvsig.fmap.geom.exception.CreateEnvelopeException;
79
import org.gvsig.fmap.geom.primitive.Envelope;
80
import org.gvsig.fmap.mapcontext.ViewPort;
81
import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException;
82
import org.gvsig.fmap.mapcontext.exceptions.UnsupportedVersionLayerException;
83
import org.gvsig.fmap.mapcontext.layers.FLayer;
84
import org.gvsig.fmap.mapcontext.layers.Tiling;
85
import org.gvsig.fmap.mapcontext.layers.operations.ComposedLayer;
86
import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;
87
import org.gvsig.gui.beans.Messages;
88
import org.gvsig.raster.fmap.layers.DefaultFLyrRaster;
89
import org.gvsig.raster.fmap.layers.IRasterLayerActions;
90
import org.gvsig.raster.fmap.layers.NotAvailableStateException;
91
import org.gvsig.raster.fmap.legend.ImageLegend;
92
import org.gvsig.raster.util.CancelTaskImpl;
93
import org.gvsig.raster.wms.app.wmsclient.wmc.WebMapContextTags;
94
import org.gvsig.raster.wms.app.wmsclient.wmc.XmlBuilder;
95
import org.gvsig.raster.wms.io.RemoteWMSStyle;
96
import org.gvsig.raster.wms.io.WMSDataParameters;
97
import org.gvsig.raster.wms.io.WMSLayerNode;
98
import org.gvsig.raster.wms.io.WMSServerExplorer;
99
import org.gvsig.raster.wms.io.WMSServerExplorerParameters;
100
import org.gvsig.tools.ToolsLocator;
101
import org.gvsig.tools.dynobject.DynObjectSet;
102
import org.gvsig.tools.dynobject.DynStruct;
103
import org.gvsig.tools.persistence.PersistenceManager;
104
import org.gvsig.tools.task.Cancellable;
105
import org.gvsig.tools.task.SimpleTaskStatus;
106
import org.gvsig.tools.task.TaskStatusManager;
107
import org.slf4j.Logger;
108
import org.slf4j.LoggerFactory;
109

    
110

    
111

    
112
/**
113
 * FMap's WMS Layer class.
114
 *
115
 * Las capas WMS son tileadas para descargarlas del servidor. Esto quiere decir que
116
 * est?n formadas por multiples ficheros raster. Por esto la fuente de datos raster (IRasterDatasource)
117
 * de la capa FLyrWMS es un objeto de tipo CompositeDataset. Este objeto est? compuesto por un array
118
 * bidimensional de MultiRasterDataset. Cada uno de los MultiRasterDataset corresponde con un tile
119
 * salvado en disco. Estos MultiRasterDataset se crean cada vez que se repinta ya que en WMS a cada
120
 * zoom varian los ficheros fuente. La secuencia de creaci?n de un CompositeDataset ser?a la siguiente:
121
 * <UL>
122
 * <LI>Se hace una petici?n de dibujado por parte del usuario llamando al m?todo draw de FLyrWMS</LI>
123
 * <LI>Se tilea la petici?n</LI>
124
 * <LI>Cada tile se dibuja abriendo una FLyerRaster para ese tile</LI>
125
 * <LI>Si es el primer dibujado se guarda una referencia en la capa WMS a las propiedades de renderizado, orden de bandas,
126
 * transparencia, filtros aplicados, ...</LI>
127
 * <LI>Si no es el primer dibujado se asignan las propiedades de renderizado cuya referencia se guarda en la capa WMS</LI>
128
 * <LI>Se guarda el MultiRasterDataset de cada tile</LI>
129
 * <LI>Al acabar todos los tiles creamos un CompositeDataset con los MultiRasterDataset de todos los tiles</LI>
130
 * <LI>Asignamos a la capa la referencia de las propiedades de renderizado que tenemos almacenadas. De esta forma si hay
131
 * alguna modificaci?n desde el cuadro de propiedades ser? efectiva sobre los tiles que se dibujan.</LI>
132
 * </UL>
133
 *
134
 *
135
 * @author Jaume Dominguez Faus
136
 *
137
 */
138
@SuppressWarnings("deprecation")
139
public class FLyrWMS extends DefaultFLyrRaster {
140
        public static final String           PERSISTENT_NAME           = "FLyrWMS_Persistent";
141
        public static final String           PERSISTENT_DESCRIPTION    = "FLyrWMS Persistent Definition";
142
        
143
        private static final GeometryManager geomManager               = GeometryLocator.getGeometryManager();
144
        private static final Logger          logger                    = LoggerFactory.getLogger(FLyrWMS.class);
145
        private boolean                                          mustSplitRequest          = false;
146
        private final int                                          maxTileDrawWidth          = 1023;
147
        private final int                                          maxTileDrawHeight         = 1023;
148
        private final int                                          maxTilePrintWidth         = 1023;
149
        private final int                                          maxTilePrintHeight        = 1023;
150
        private List<WeakReference<Thread>>         disableUpdateDrawVersion;
151
        //private Envelope                                         fullEnvelope              = null;
152
        private boolean                                                 firstLoad                 = false;
153
        private RasterManager                rManager                  = RasterLocator.getManager();
154
        //private WMSServerExplorer            explorer                  = null;
155
        private boolean                      deleteCache               = false;
156

    
157
        public FLyrWMS() {
158
                super();
159
                this.updateDrawVersion();
160
                try {
161
                        enableAwake();
162
                } catch (NotAvailableStateException e) {
163
                        logger.error("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), this, e);
164
                }
165
        }
166
        
167
   public FLyrWMS(DataStoreParameters dataStoreParameters) throws Exception {
168
        this();
169
        //Create the explorer and connect
170
        DataManager dataManager = DALLocator.getDataManager();
171
        WMSServerExplorerParameters explorerParams = (WMSServerExplorerParameters) 
172
               dataManager.createServerExplorerParameters(WMSServerExplorer.NAME);
173
        explorerParams.setHost((String)dataStoreParameters.getDynValue("uri"));        
174
        WMSServerExplorer wmsServerExplorer = 
175
            (WMSServerExplorer) dataManager.openServerExplorer(WMSServerExplorer.NAME, explorerParams);
176
        wmsServerExplorer.connect(null, ((RemoteStoreParameters)dataStoreParameters).isDeletingCache());
177
        
178
        //Set the parameters
179
        setParameters((WMSDataParameters)dataStoreParameters);
180
        setExplorer(wmsServerExplorer);
181
    }
182
        
183
        public static DataStore createDataStore(String host, IProjection srs) throws InitializeException {
184
                DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
185
                RasterDataParameters params = null;
186
                try {
187
                        params = (RasterDataParameters)dataman.createServerExplorerParameters(WMSServerExplorer.NAME);
188
                } catch (InitializeException e) {
189
                        return null;
190
                } catch (ProviderNotRegisteredException e) {
191
                        return null;
192
                }
193
                params.setURI(host);
194
                params.setSRS(srs);
195
                
196
                try {
197
                        return dataman.openStore(params.getDataStoreName(), params);
198
                } catch (ValidateDataParametersException e) {
199
                        throw new InitializeException(e);
200
                } catch (ProviderNotRegisteredException e) {
201
                        throw new InitializeException(e);
202
                }
203
        }
204

    
205
        public void setDataStore(DataStore dataStore) throws LoadLayerException {
206
                this.dataStore = (RasterDataStore) dataStore;
207
                try {
208
                        this.dataStore.isOpen();
209
                        if(!isOpen())
210
                                enableOpen();
211
                } catch (NotAvailableStateException e) {
212
                        logger.error("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), this, e);
213
                }
214
                setProjection(this.dataStore.getProjection());
215
        }
216

    
217
        /**
218
         * It choose the best format to load different maps if the server
219
         * supports it. This format could be png, because it supports
220
         * transparency.
221
         * @param formats
222
         * Arraywith all the formats supported by the server
223
         * @return
224
         */
225
        @SuppressWarnings("unused")
226
        private String getGreatFormat(Vector<String> formats){
227
                for (int i = 0 ; i < formats.size() ; i++){
228
                        String format = (String) formats.get(i);
229
                        if (format.equals("image/jpg")){
230
                                return format;
231
                        }
232
                        if (format.equals("image/jpeg")){
233
                                return format;
234
                        }
235
                }
236
                return (String)formats.get(0);
237
        }
238
        
239
        public static void registerPersistent() {
240
                PersistenceManager manager = ToolsLocator.getPersistenceManager();
241
                DynStruct definition = manager.getDefinition("FLyrWMS_Persistent");
242
                if( definition == null ) {
243
                        if (manager.getDefinition(DefaultFLyrRaster.class) == null) {
244
                                DefaultFLyrRaster.registerPersistent();
245
                        }
246

    
247
                        definition = manager.addDefinition(
248
                                        FLyrWMS.class,
249
                                        "FLyrWMS_Persistent",
250
                                        "FLyrWMS Persistent Definition",
251
                                        null, 
252
                                        null
253
                        );
254
                        
255
                        definition.extend(PersistenceManager.PERSISTENCE_NAMESPACE, DefaultFLyrRaster.PERSISTENT_NAME);
256
                }
257

    
258
                DefaultFLyrRaster.registerPersistence(definition);
259
        }
260
        
261
        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,
262
                        Cancellable cancel, double scale) throws ReadException {
263
                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
264
                SimpleTaskStatus taskStatus = new RasterTaskStatus("Drawing " + getName() + "...", cancel);
265
                manager.add(taskStatus);
266
                taskStatus.setAutoremove(true);
267
                splitRequestCalculation(viewPort.getImageWidth(), viewPort.getImageHeight());
268
                
269
                if(!firstLoad) {
270
                        try {
271
                                initFilters();
272
                                try {
273
                                        if(!isOpen())
274
                                                enableOpen();
275
                                } catch (NotAvailableStateException e) {
276
                                        throw new ReadException("Fallo el estado de open. Closed=" + isClosed() + " Awake=" + isAwake(), e);
277
                                }
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);
298
                                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
328
         * @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
333
                // 1. Check if it is within borders
334
                Envelope envelope = getFullEnvelope();
335
                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
                        vpData.setDPI((int)vp.getDPI());
371

    
372
                        try {
373
                                getParameters().setExtent(bBox);
374
                                if(getParameters().isSizeFixed()) {
375
                                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
376
                                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
377
                                } else {
378
                                        getParameters().setWidth(wImg);
379
                                        getParameters().setHeight(hImg);
380
                                }
381
                                
382
                                if(getDataStore().getParameters() instanceof WMSDataParameters) {
383
                                        getRender().draw(g, vpData, taskStatus);
384
                                } else {
385
                                        Envelope adjustedExtent = vp.getAdjustedExtent();
386
                                        Extent e = rManager.getDataStructFactory().createExtent(adjustedExtent.getLowerCorner().getX(),
387
                                                        adjustedExtent.getUpperCorner().getY(), adjustedExtent.getUpperCorner().getX(),
388
                                                        adjustedExtent.getLowerCorner().getY());
389
                                        ViewPortData vp2 = rManager.getDataStructFactory().createViewPortData(vp.getProjection(), e, vp.getImageSize() );
390
                                        vp2.setMat(vp.getAffineTransform());
391
                                        vp2.setDPI((int)vp.getDPI());
392
                                        getParameters().setExtent(ex.toRectangle2D());
393
                                        getRender().drawTiledService(g, vp2, vp.getImageSize(), taskStatus);
394
                                }
395
                                //this.updateDrawVersion();
396
                        
397
                        } catch (ProcessInterruptedException e) {
398
                        } catch (QueryException e) {
399
                                setAvailable(false);
400
                                JOptionPane.showMessageDialog(null, "Problems drawing this layer:" + e.getMessage(), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE);
401
                                logger.info("Problems drawing this layer:" + e.getMessage(), e);
402
                        } finally {
403
                                taskStatus.terminate();                                
404
                        }
405

    
406
                /*} catch (RemoteServiceException e) {
407
                        if (!taskStatus.isCancellationRequested()) {
408
                                if (callCount < MAX_RETRY_TIMES) {
409
                                        logger.warn("\n[ FLyrWMS.drawFixedSize() ]  Failed in trying " + callCount + "/" + MAX_RETRY_TIMES + ")\n"); // mess code
410
                                        drawTile(g, vp, taskStatus, scale);
411
                                } else {
412
                                        if (!isPrinting) {
413
                                                this.setVisible(false);
414
                                        }
415
                                        logger.error("Server error:" + e.getMessage(), e);
416
                                }
417
                        }
418
                }*/
419
                return;
420
        }
421

    
422
        /**
423
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
424
         *                 com.iver.cit.gvsig.fmap.ViewPort,
425
         *                 com.iver.cit.gvsig.fmap.operations.Cancellable)
426
         */
427
        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintRequestAttributeSet properties)
428
        throws ReadException {
429
                TaskStatusManager manager = ToolsLocator.getTaskStatusManager();
430
                SimpleTaskStatus taskStatus = new RasterTaskStatus("Printing " + getName() + "...", cancel);
431
                manager.add(taskStatus);
432
                taskStatus.setAutoremove(true);
433
                splitRequestCalculation(viewPort.getImageWidth(), viewPort.getImageHeight());
434

    
435
                if (isVisible() && isWithinScale(scale)){
436
                        if (!mustSplitRequest) {
437
                                draw(null, g, viewPort, cancel,scale);
438
                        } else {
439
                                Tiling tiles = new Tiling(maxTilePrintWidth, maxTilePrintHeight, g.getClipBounds());
440
                                tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());
441
                                for (int tileNr = 0; tileNr < tiles.getNumTiles(); tileNr++) {
442
                                        // Parte que dibuja
443
                                        try {
444
                                                ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);
445
                                                drawTile(g, vp, taskStatus, scale);
446
                                        } catch (NoninvertibleTransformException e) {
447
                                                throw new ReadException(e.getMessage(), e);
448
                                        } catch (LoadLayerException e) {
449
                                                throw new ReadException(e.getMessage(), e);
450
                                        }
451
                                }
452
                        }
453
                }
454
                taskStatus.terminate();
455
        }
456

    
457
        public void _print(Graphics2D g, ViewPort viewPort, Cancellable cancel,
458
                        double scale) throws ReadException {
459
                draw(null, g, viewPort, cancel,scale);
460
        }
461

    
462
        public HashMap<String, Object> getProperties() {
463
                HashMap<String, Object> info = new HashMap<String, Object>();
464
                String[] layerNames = getParameters().getLayerQuery().split(",");
465
                Vector<WMSLayerNode> layers = new Vector<WMSLayerNode>(layerNames.length);
466
                try {
467
                        //explorer.connect(null);
468
                        for (int i = 0; i < layerNames.length; i++) {
469
                                layers.add(i, getExplorer().getLayer(layerNames[i]));
470
                        }
471
                        info.put("name", getName());
472
                        info.put("selectedLayers", layers);
473
                        info.put("host", getParameters().getURI());
474
                        info.put("srs", getParameters().getSRSCode());
475
                        info.put("format", getParameters().getFormat());
476
                        info.put("infoformat", getParameters().getInfoFormat());
477
                        info.put("wmsTransparency", new Boolean(getParameters().isWmsTransparent()));
478
                        info.put("styles", getParameters().getStyles());
479
                        info.put("dimensions", getParameters().getDimensions());
480
                        info.put("fixedSize", getParameters().getFixedSize());
481
                        return info;
482
                } catch (Exception e) {
483
                        e.printStackTrace();
484
                }
485
                return null;
486
        }
487

    
488
        /**
489
         * Creates the part of a OGC's MapContext document that would describe this
490
         * layer(s).
491
         * @param version, The desired version of the resulting document. (1.1.0)
492
         * @return String containing the xml.
493
         * @throws UnsupportedVersionLayerException
494
         */
495
        @SuppressWarnings({ "unchecked", "rawtypes" })
496
        public String toMapContext(String mapContextVersion) {
497
                XmlBuilder xml = new XmlBuilder();
498
                
499
                String query = getParameters().getLayerQuery();
500
                String[] layerNames = query.split(",");
501
                List<RemoteWMSStyle> styleList = getParameters().getStyles();
502
                for (int i = 0; i < layerNames.length; i++) {
503
                        WMSLayerNode layer = getExplorer().getLayer(layerNames[i]);
504
                        HashMap xmlAttrs = new HashMap();
505

    
506
                        // <Layer>
507
                        xmlAttrs.put(WebMapContextTags.HIDDEN, !isVisible() + "");
508
                        xmlAttrs.put(WebMapContextTags.QUERYABLE, getExplorer().isQueryable() + "");
509
                        xml.openTag(WebMapContextTags.LAYER, xmlAttrs);
510
                        xmlAttrs.clear();
511
                        if (mapContextVersion.equals("1.1.0") || mapContextVersion.equals("1.0.0")) {
512
                                // <Server>
513
                                xmlAttrs.put(WebMapContextTags.SERVICE, WebMapContextTags.WMS);
514
                                xmlAttrs.put(WebMapContextTags.VERSION, getExplorer().getVersion());
515
                                xmlAttrs.put(WebMapContextTags.SERVER_TITLE, getExplorer().getServiceTitle());
516
                                xml.openTag(WebMapContextTags.SERVER, xmlAttrs);
517
                                xmlAttrs.clear();
518

    
519
                                // <OnlineResource>
520
                                xmlAttrs.put(WebMapContextTags.XLINK_TYPE, "simple");
521
                                xmlAttrs.put(WebMapContextTags.XLINK_HREF, getParameters().getURI().toString());
522
                                xml.writeTag(WebMapContextTags.ONLINE_RESOURCE, xmlAttrs);
523
                                xmlAttrs.clear();
524
                                // </OnlineResource>
525

    
526
                                xml.closeTag();
527
                                // </Server>
528

    
529
                                // <Name>
530
                                xml.writeTag(WebMapContextTags.NAME, layer.getName().trim());
531
                                // </Name>
532

    
533
                                // <Title>
534
                                xml.writeTag(WebMapContextTags.TITLE, layer.getTitle().trim());
535
                                //?xml.writeTag(WebMapContextTags.TITLE, getName().trim());
536
                                // </Title>
537

    
538
                                // <Abstract>
539
                                if (layer.getAbstract() != null) {
540
                                        xml.writeTag(WebMapContextTags.ABSTRACT, layer.getAbstract());
541
                                        // </Abstract>
542
                                }
543

    
544
                                // <SRS> (a list of available SRS for the enclosing layer)
545
                                String[] strings = (String[]) layer.getAllSrs().toArray(new String[0]);
546
                                String mySRS = strings[0];
547
                                for (int j = 1; j < strings.length; j++) {
548
                                        mySRS += ","+strings[j];
549
                                }
550
                                xml.writeTag(WebMapContextTags.SRS, mySRS);
551
                                // </SRS>
552

    
553
                                // <FormatList>
554
                                xml.openTag(WebMapContextTags.FORMAT_LIST);
555
                                strings = getExplorer().getFormats();
556
                                for (int j = 0; j < strings.length; j++) {
557
                                        // <Format>
558
                                        String str = strings[j].trim();
559
                                        if (str.equals(getParameters().getFormat())) {
560
                                                xml.writeTag(WebMapContextTags.FORMAT, str, WebMapContextTags.CURRENT, "1");
561
                                        } else {
562
                                                xml.writeTag(WebMapContextTags.FORMAT, str);
563
                                                // </Format>
564
                                        }
565
                                }
566
                                xml.closeTag();
567
                                // </FormatList>
568

    
569
                                // <StyleList>
570
                                xml.openTag(WebMapContextTags.STYLE_LIST);
571

    
572
                                if (layer.getStyles().size() > 0) {
573
                                        for (int j = 0; j < layer.getStyles().size(); j++) {
574
                                                // <Style>
575
                                                RemoteWMSStyle st = layer.getStyles().get(j);
576
                                                if (st.getName().equals(styleList.get(i).getName())) {
577
                                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
578
                                                }
579
                                                xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
580
                                                xmlAttrs.clear();
581

    
582
                                                // <Name>
583
                                                xml.writeTag(WebMapContextTags.NAME, st.getName());
584
                                                // </Name>
585

    
586
                                                // <Title>
587
                                                xml.writeTag(WebMapContextTags.TITLE, st.getTitle());
588
                                                // </Title>
589

    
590
                                                // <LegendURL width="180" format="image/gif" height="50">
591
                                                // <OnlineResource xlink:type="simple" xlink:href="http://globe.digitalearth.gov/globe/en/icons/colorbars/NATIONAL.gif"/>
592
                                                // </OnlineResource>
593
                                                // </LegendURL>
594
                                                xml.closeTag();
595
                                                // </Style>
596

    
597
                                        }
598

    
599
                                } else {
600
                                        // Create fake style (for compatibility issues)
601
                                        xmlAttrs.put(WebMapContextTags.CURRENT, "1");
602
                                        // <Style>
603
                                        xml.openTag(WebMapContextTags.STYLE, xmlAttrs);
604
                                        xmlAttrs.clear();
605
                                        // <Name>
606
                                        xml.writeTag(WebMapContextTags.NAME, "default");
607
                                        // </Name>
608

    
609
                                        // <Title>
610
                                        xml.writeTag(WebMapContextTags.TITLE, "default");
611
                                        xml.closeTag();
612
                                }
613
                                // </StyleList>
614
                                xml.closeTag();
615
                                if (mapContextVersion.compareTo("1.0.0") > 0) {
616
                                        // <DimensionList>
617
                                        xml.openTag(WebMapContextTags.DIMENSION_LIST);
618
                                        // <Dimension>
619
                                        // </Dimension>
620
                                        xml.closeTag();
621
                                        // </DimensionList>
622
                                }
623
                        } else {
624
                                xml.writeTag("ERROR", PluginServices.getText(this, "unsupported_map_context_version"));
625
                        }
626
                        // </Layer>
627
                        xml.closeTag();
628
                }
629
                return xml.getXML();
630
        }
631

    
632
        public String getTocImageIcon() {
633
                return "icon-layer-wms";
634
        }
635

    
636
        public int[] getTileSize() {
637
                int[] size = {maxTileDrawWidth, maxTileDrawHeight};
638
                return size;
639
        }
640

    
641
        public boolean isTiled() {
642
                return mustSplitRequest;
643
        }
644
        
645
        private void splitRequestCalculation(int width, int height) {
646
                mustSplitRequest = (!getDataStore().isTiled() && (width > 1023 || height > 1023));
647
        }
648

    
649
        public ComposedLayer newComposedLayer() {
650
                Preferences prefs = Preferences.userRoot().node("gvsig.wms");
651

    
652
                /*
653
                 * from java.util.prefs import Preferences
654
                 * prefs = Preferences.userRoot().node("gvsig.wms")
655
                 * prefs.put("useComposedLayer","true")
656
                 */
657

    
658
                String str = prefs.get("useComposedLayer","false");
659
                Boolean useComposedLayer = Boolean.TRUE; // por defecto ya se usan
660
                try {
661
                        useComposedLayer = Boolean.valueOf(str);
662
                } catch (Exception e) {
663

    
664
                }
665
                if (useComposedLayer.booleanValue()) {
666
                        return new ComposedLayerWMS();
667
                } else {
668
                        return null;
669
                }
670
        }
671

    
672
        /*
673
         * Checks if can make a single petition for the two layers to the server
674
         * @see com.iver.cit.gvsig.fmap.layers.ComposedLayerWMS#canAdd(com.iver.cit.gvsig.fmap.layers.FLayer)
675
         */
676
        boolean isComposedLayerCompatible(FLayer layer) {
677
                FLyrWMS aLayer;
678

    
679
                if (!(layer instanceof FLyrWMS)) {
680
                        return false;
681
                }
682
                aLayer = (FLyrWMS)layer;
683
                if (!getParameters().getURI().equals(aLayer.getParameters().getURI())) {
684
                        return false;
685
                }
686
                
687
                WMSDataParameters p = getWMSParameters(getDataStore().getParameters()); 
688
                                
689
                if (!p.getFormat().equals(aLayer.getParameters().getFormat())) {
690
                        return false;
691
                }
692
                if (!p.getSRS().equals(aLayer.getParameters().getSRS())) {
693
                        return false;
694
                }
695
                if (p.getInfoLayerQuery() != null) {
696
                        if (!p.getInfoLayerQuery().equals(aLayer.getParameters().getInfoLayerQuery())) {
697
                                return false;
698
                        }
699
                }else if (p.getInfoLayerQuery() != null) {
700
                        return false;
701
                }
702

    
703

    
704
                // isFixedSize es privado
705
                if ((getParameters().getFixedSize() != null) &&
706
                                (aLayer.getParameters().getFixedSize() != null)) {
707
                        if (getParameters().getFixedSize().equals(aLayer.getParameters().getFixedSize())) {
708
                                return false;
709
                        }
710
                } else if ((getParameters().getFixedSize() != null) != (aLayer.getParameters().getFixedSize() != null)) {
711
                        return false;
712
                }
713

    
714
                // time elevation (dimensions)
715
                if ((p.getDimensions() != null) &&
716
                                (aLayer.getParameters().getDimensions() != null)) {
717
                        if (p.getDimensions().size() != aLayer.getParameters().getDimensions().size()) {
718
                                return false;
719
                        } else {
720
                                Iterator<String> iter = p.getDimensions().iterator();
721
                                while (iter.hasNext()) {
722
                                        if (!aLayer.getParameters().getDimensions().contains(iter.next())) {
723
                                                return false;
724
                                        }
725
                                }
726
                        }
727

    
728
                } else if ((p.getDimensions() != null) != (aLayer.getParameters().getDimensions() != null)) {
729
                        return false;
730
                }
731

    
732
                return true;
733
        }
734

    
735
        public boolean isActionEnabled(int action) {
736
                switch (action) {
737
                case IRasterLayerActions.ZOOM_PIXEL_RESOLUTION:
738
                case IRasterLayerActions.FLYRASTER_BAR_TOOLS:
739
                case IRasterLayerActions.BANDS_FILE_LIST:
740
                case IRasterLayerActions.COLOR_TABLE:
741
                case IRasterLayerActions.GEOLOCATION:
742
                case IRasterLayerActions.PANSHARPENING:
743
                case IRasterLayerActions.SAVE_COLORINTERP:
744
                case IRasterLayerActions.SAVEAS:
745
                case IRasterLayerActions.BANDS_RGB:
746
                case IRasterLayerActions.ENHANCED:
747
                case IRasterLayerActions.STATS:
748
                case IRasterLayerActions.NODATA:
749
                        return false;
750
                case IRasterLayerActions.REMOTE_ACTIONS:
751
                        return true;
752
                }
753

    
754
                return super.isActionEnabled(action);
755
        }
756

    
757
        public ILegend getLegend() {
758
                if(getDataStore() != null) {
759
                        Image img = getDataStore().getImageLegend();
760
                        if(img != null)
761
                                return new ImageLegend(img);
762
                }
763
                return null;
764
        }
765
        
766
        public boolean isRemote() {
767
                return true;
768
        }
769

    
770
        public boolean overviewsSupport() {
771
                return false;
772
        }
773

    
774
        protected void updateDrawVersion() {
775
                if (this.disableUpdateDrawVersion != null){
776

    
777
                        Thread curThread = Thread.currentThread();
778

    
779
                        Thread aThread;
780

    
781
                        Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
782
                        while (iter.hasNext()){
783
                                aThread = (Thread) ((WeakReference<?>)iter.next()).get();
784
                                if (aThread == null){
785
                                        iter.remove();
786
                                } else if(aThread.equals(curThread)){
787
                                        return;
788
                                }
789
                        }
790
                }
791
                //                Exception ex = new Exception();
792
                //                ex.printStackTrace();
793
                super.updateDrawVersion();
794
        }
795

    
796
        protected void disableUpdateDrawVersion() {
797
                if (this.disableUpdateDrawVersion == null) {
798
                        this.disableUpdateDrawVersion = new ArrayList<WeakReference<Thread>>();
799
                }
800
                this.disableUpdateDrawVersion.add(new WeakReference<Thread>(Thread.currentThread()));
801
        }
802

    
803
        protected void enableUpdateDrawVersion() {
804
                if (this.disableUpdateDrawVersion == null){
805
                        return;
806
                }
807
                Thread curThread = Thread.currentThread();
808
                Thread aThread;
809

    
810
                Iterator<WeakReference<Thread>> iter = this.disableUpdateDrawVersion.iterator();
811
                while (iter.hasNext()) {
812
                        aThread = (Thread) ((WeakReference<?>)iter.next()).get();
813
                        if (aThread == null) {
814
                                iter.remove();
815
                        } else if(aThread.equals(curThread)) {
816
                                iter.remove();
817
                                break;
818
                        }
819
                }
820

    
821
        }
822

    
823
        private Rectangle2D.Double getRectable2DFromEnvelope(Envelope env) {
824
                return new Rectangle2D.Double(env.getMinimum(0), env.getMinimum(1), env
825
                                .getLength(0), env.getLength(1));
826
        }
827

    
828
        /*private Envelope getEnvelopeFromRectable2D(Rectangle2D rect) {
829
                try {
830
                        return geomManager.createEnvelope(rect.getMinX(), rect.getMinY(),
831
                                        rect.getMaxX(), rect.getMaxY(),
832
                                        SUBTYPES.GEOM2D);
833
                } catch (CreateEnvelopeException e) {
834
                        logger.error("Error creating the envelope", e);
835
                }
836
                return null;
837
        }*/
838
        
839
        @Override
840
        public String getFileFormat() {
841
                return "WMS";
842
        }
843
        
844
        @Override
845
        public FLayer getFileLayer() throws RasterDriverException {
846
                /*if(getDataStore() instanceof DefaultRemoteRasterStore) {
847
                        RemoteRasterProvider prov = (RemoteRasterProvider)((DefaultRemoteRasterStore)getDataStore()).getProvider(0);
848
                        File file = null;
849
                        
850
                        if(getParameters().isSizeFixed()) {
851
                                file = prov.getFileLayer();
852
                        } else {
853
                                file = prov.getLastRequest();
854
                        }
855
                                
856
                        if(file == null)
857
                                return null;
858
                        
859
                        try {
860
                                return DefaultFLyrRaster.createLayer("tmp", file);
861
                        } catch (LoadLayerException e) {
862
                                throw new RasterDriverException(e.getMessage(), e);
863
                        }
864
                }*/
865
                return null;
866
        }
867

    
868
        /**
869
         * Devuelve el envelope en la proyeccion de la vista
870
         */
871
        public Envelope getFullEnvelope() {
872
                Extent e1 = getDataStore().getExtent();
873
                Envelope rAux = null;
874
                try {
875
                        rAux = geomManager.createEnvelope(e1.getMin().getX(), e1.getMin().getY(), e1.getMax().getX(), e1.getMax().getY(), SUBTYPES.GEOM2D);
876
                } catch (CreateEnvelopeException exc) {
877
                        logger.error("Error creating the envelope", exc);
878
                }
879

    
880
                // Esto es para cuando se crea una capa nueva con el fullExtent de ancho
881
                // y alto 0.
882
                if (rAux == null || rAux.getMaximum(0) - rAux.getMinimum(0) == 0
883
                                && rAux.getMaximum(1) - rAux.getMinimum(1) == 0) {
884
                        try {
885
                                rAux = geomManager.createEnvelope(0, 0, 100, 100, SUBTYPES.GEOM2D);
886
                        } catch (CreateEnvelopeException e) {
887
                                logger.error("Error creating the envelope", e);
888
                        }
889
                }
890
                // Si existe reproyecci?n, reproyectar el extent
891
                ICoordTrans ct = getCoordTrans();
892
                if (ct != null) {
893
                        Point2D pt1 = new Point2D.Double(rAux.getMinimum(0), rAux
894
                                        .getMinimum(1));
895
                        Point2D pt2 = new Point2D.Double(rAux.getMaximum(0), rAux
896
                                        .getMaximum(1));
897
                        pt1 = ct.convert(pt1, null);
898
                        pt2 = ct.convert(pt2, null);
899
                        try {
900
                                rAux = geomManager.createEnvelope(pt1.getX(), pt1.getY(), pt2
901
                                                .getX(), pt2.getY(), SUBTYPES.GEOM2D);
902
                        } catch (CreateEnvelopeException e) {
903
                                logger.error("Error creating the envelope", e);
904
                        }// new
905
                        // Rectangle2D.Double();
906
                }
907
                return rAux;
908

    
909
        }
910
        
911
        public Extent getFullRasterExtent() {
912
                return getExtentFromEnvelope(getFullEnvelope());
913
        }
914
        
915
        public DynObjectSet getInfo(org.gvsig.fmap.geom.primitive.Point p, double tolerance) throws LoadLayerException, DataException {
916
                Point p1 = new Point((int)p.getX(), (int)p.getY());
917
                return getInfo(p1, tolerance, null, false);
918
        }
919

    
920
        @Override
921
        public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel,
922
                        boolean fast) throws LoadLayerException, DataException {
923

    
924
                //try {
925
                ViewPort viewPort = getMapContext().getViewPort();
926

    
927
                getParameters().setExtent(this.getRectable2DFromEnvelope(viewPort.getAdjustedEnvelope()));
928
                if(getParameters().isSizeFixed()) {
929
                        getParameters().setWidth((int)getParameters().getFixedSize().getWidth());
930
                        getParameters().setHeight((int)getParameters().getFixedSize().getHeight());
931
                } else {
932
                        getParameters().setWidth(viewPort.getImageWidth());
933
                        getParameters().setHeight(viewPort.getImageHeight());
934
                }
935
                
936
                CancelTaskImpl cancellable = new CancelTaskImpl(cancel);
937
                getParameters().setCancellable(cancellable);
938
                
939
                String fInfo;
940
                try {
941
                        //Point2D pt = new Point2D.Double();
942
                        //try {
943
                                //viewPort.getAffineTransform().transform(p, pt);
944
                        /*} catch (NoninvertibleTransformException e) {
945
                                return null;
946
                        }*/
947
                        
948
                        Extent bbox = getExtentFromEnvelope(viewPort.getAdjustedEnvelope());
949
                        fInfo = getDataStore().getInfoByPoint(p.getX(), 
950
                                        p.getY(), 
951
                                        bbox, 
952
                                        viewPort.getImageWidth(), 
953
                                        viewPort.getImageHeight(), 
954
                                        cancellable);
955
                } catch (InfoByPointException e) {
956
                        throw new LoadLayerException("Error in getInfoByPoint", e);
957
                }
958
                return new DynObjectSetWMSInfo(fInfo, getParameters().getInfoFormat());
959
        }
960
        
961
        private Extent getExtentFromEnvelope(Envelope env) {
962
                double minx = env.getMinimum(0);
963
                double miny = env.getMinimum(1);
964
                double maxx = env.getMaximum(0);
965
                double maxy = env.getMaximum(1);
966
                Point2D ul = new Point2D.Double(minx, maxy);
967
                Point2D ur = new Point2D.Double(maxx, maxy);
968
                Point2D ll = new Point2D.Double(minx, miny);
969
                Point2D lr = new Point2D.Double(maxx, miny);
970
                return rManager.getDataStructFactory().createExtent(ul, lr, ur, ll);
971
        }
972
    
973
    /**
974
     * Sets the data store parameters
975
     * @param params
976
     * @throws InitializeException
977
     */
978
    public void setParameters(DataStoreParameters params) throws InitializeException {
979
            if(params instanceof TileDataParameters) {
980
                        ((TileDataParameters)params).deleteCache(deleteCache);
981
                }
982
            
983
            DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager();
984
                try {
985
                        DataStore dStore = dataman.openStore(params.getDataStoreName(), params);
986
                        this.setDataStore(dStore);
987
                        
988
                        if(params instanceof WMSDataParameters) {
989
                                this.setName(((WMSDataParameters)params).getURI());
990
                        }
991
                        
992
                        if(params instanceof TileDataParameters) {
993
                                DataParameters p = ((TileDataParameters) params).getDataParameters();
994
                                if(p instanceof WMSDataParameters) {
995
                                        this.setName(((WMSDataParameters) p).getURI());
996
                                }
997
                        }
998
                } catch (ValidateDataParametersException e) {
999
                        throw new InitializeException(e);
1000
                } catch (ProviderNotRegisteredException e) {
1001
                        throw new InitializeException(e);
1002
                } catch (LoadLayerException e) {
1003
                        throw new InitializeException(e);
1004
                }
1005
    }
1006
    
1007
        public WMSDataParameters getParameters() {
1008
                return getWMSParameters(getDataStore().getParameters());
1009
    }
1010
    
1011
    /**
1012
     * Gets <code>WMSDataParameters</code>
1013
     * @param parameters
1014
     * @return
1015
     */
1016
    private WMSDataParameters getWMSParameters(DataStoreParameters parameters) {
1017
            WMSDataParameters params = null;
1018
            if(parameters instanceof WMSDataParameters) {
1019
                        params = (WMSDataParameters) parameters;
1020
                }
1021
                
1022
                if(parameters instanceof TileDataParameters) {
1023
                        DataParameters p = ((TileDataParameters) parameters).getDataParameters();
1024
                        if(p instanceof WMSDataParameters) {
1025
                                params = (WMSDataParameters) p;
1026
                        }
1027
                }
1028
                return params;
1029
    }
1030
    
1031
    /**
1032
         * Assigns the flag to delete this layer from the cache
1033
         * @param selected
1034
         */
1035
        public void deleteCache(boolean deleteCache) {
1036
                this.deleteCache = deleteCache;
1037
        }
1038
    
1039
    /**
1040
     * Sets the explorer
1041
     * @param explorer
1042
     */
1043
    public void setExplorer(WMSServerExplorer explorer) {
1044
            if(getDataStore() != null)
1045
                    getDataStore().setExplorer(explorer);
1046
    }
1047
    
1048
    /**
1049
     * Gets the explorer
1050
     * @return
1051
     */
1052
    public WMSServerExplorer getExplorer() {
1053
            try {
1054
                        return (WMSServerExplorer)getDataStore().getExplorer();
1055
                } catch (ValidateDataParametersException e) {
1056
                        logger.debug("Error getting the explorer", e);
1057
                } catch (DataException e) {
1058
                        logger.debug("Error getting the explorer", e);
1059
                }
1060
            return null;
1061
    }
1062
    
1063
        public FLayer cloneLayer() throws Exception {
1064
                RasterDataStore  ds = dataStore.cloneDataStore();
1065
                FLyrWMS newLayer = new FLyrWMS();
1066
                newLayer.setName(getName());
1067
                newLayer.setOpenRasterStore(ds);
1068
                //newLayer.firstLoad = firstLoad;
1069
                newLayer.setExplorer(getExplorer());
1070
                
1071
                List<RasterFilter> filters = getRender().getFilterList().getStatusCloned();
1072

    
1073
                //Hacemos una copia de las bandas a renderizar
1074
                ColorInterpretation ci = getRender().getRenderColorInterpretation();
1075
                if(ci != null) {
1076
                        newLayer.getRender().setRenderColorInterpretation(ci.cloneColorInterpretation());
1077
                }
1078

    
1079
                //Asignamos el entorno
1080
                if(newLayer.getRender().getFilterList() == null)
1081
                        newLayer.getRender().setFilterList(RasterLocator.getManager().createEmptyFilterList(getRender().getFilterList().getInitDataType()));
1082
                newLayer.getRender().getFilterList().setEnv(getRender().getFilterList().getEnv());
1083
                newLayer.getRender().getFilterList().setStatus(filters);
1084

    
1085
                // Asignamos los valores noData del original
1086
                newLayer.setNoDataValue(getNoDataValue());
1087
                if(dataStore.getNoDataValue().isDefined())
1088
                        newLayer.setNoDataTransparent(true);
1089
                newLayer.enableOpen();
1090
                
1091
                return newLayer;
1092
        }
1093
        
1094

    
1095
}