skrueger/geotools/StyledFS.java

/*******************************************************************************
 * Copyright (c) 2009 Martin O. J. Schmitz.
 * 
 * This file is part of the SCHMITZM library - a collection of utility 
 * classes based on Java 1.6, focusing (not only) on Java Swing 
 * and the Geotools library.
 * 
 * The SCHMITZM project is hosted at:
 * http://wald.intevation.org/projects/schmitzm/
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License (license.txt)
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * or try this link: http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Martin O. J. Schmitz - initial API and implementation
 *     Stefan A. Tzeggai - additional utility classes
 ******************************************************************************/
package skrueger.geotools;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Date;
import java.util.Random;

import javax.swing.ImageIcon;
import javax.swing.JPanel;

import org.apache.log4j.Logger;
import org.geotools.data.FeatureSource;
import org.geotools.feature.FeatureCollection;
import org.geotools.feature.NameImpl;
import org.geotools.styling.Style;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.filter.Filter;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

import schmitzm.geotools.io.GeoImportUtil;
import schmitzm.geotools.styling.StylingUtil;
import skrueger.AttributeMetadataImpl;
import skrueger.i8n.Translation;

import com.vividsolutions.jts.geom.Envelope;

/**
 * This class enables a non Atlas context to use the Atlas LayerPanel
 * {@link JPanel} as a {@link MapContextManagerInterface}
 * 
 * @author <a href="mailto:[email protected]">Stefan Alfons Tzeggai</a>
 * 
 *         TODO Rename to StyledShapefile
 */
public class StyledFS implements StyledFeatureSourceInterface {
        private static final Logger LOGGER = Logger.getLogger(StyledFS.class);

        private final FeatureSource<SimpleFeatureType, SimpleFeature> fs;

        /** Caching the CRS of the layer **/
        CoordinateReferenceSystem crs = null;

        /**
         * A unique ID which identifies the Layer in the Atlas. It's more important
         * than it should be ;-)
         */
        private String id;

        private Style style;

        private Translation title;

        private Translation desc;

        private File sldFile;

        /** A map of simple attribute names to their meta-data **/
        private AttributeMetadataMap<AttributeMetadataImpl> map;

        private Filter filter = Filter.INCLUDE;

        /**
         * This class enables a non Atlas context to use the Atlas LayerPanel
         * {@link JPanel} as a {@link MapContextManagerInterface}
         * 
         * @param fs
         *            {@link FeatureSource} that is beeing styled.
         * 
         * @param sldFile
         *            may be <code>null</code>. Otherwise the SLD {@link File} to
         *            import and associate with this {@link StyledFS}
         */
        public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
                        File sldFile) {

                this.fs = fs;

                id = StyledFS.class.getSimpleName()
                                + new Random(new Date().getTime()).nextInt(10000000);

                this.sldFile = sldFile;

                // datei existiert, dann lesen
                if (sldFile != null && sldFile.exists()) {
                        try {
                                style = StylingUtil.loadSLD(sldFile)[0];
                        } catch (Exception e) {
                                LOGGER.warn("Reading SLD failed: " + sldFile, e);
                                style = null;
                        }
                }

                title = new Translation();
                desc = new Translation();

                if (sldFile != null) {
                        title.fromOneLine(sldFile.getName());
                        desc.fromOneLine(sldFile.getAbsolutePath());
                }

        }

        public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs) {
                this(fs, null);
        }

        public void dispose() {
        }

        /**
         * Returns human readable {@link String} of the CRS natively used by this
         * {@link DpLayer}
         * 
         * If CRS == null, it will call {@link #getGeoObject()}
         * 
         */
        public String getCRSString() {
                if (getCrs() == null)
                        return "CRS?";

                return getCrs().getName().getCode();
        }

        public CoordinateReferenceSystem getCrs() {
                if (crs == null) {
                        crs = fs.getSchema().getCoordinateReferenceSystem();
                        if (fs.getSchema().getCoordinateReferenceSystem() == null) {
                                LOGGER.warn("Could not determine the CRS of " + getTitle()
                                                + ". Using default " + GeoImportUtil.getDefaultCRS());
                                crs = GeoImportUtil.getDefaultCRS();
                        }
                }
                return crs;
        }

        public Translation getDesc() {
                return desc;
        }

        public Envelope getEnvelope() {
                try {
                        return fs.getBounds();
                } catch (IOException e) {
                        e.printStackTrace();
                        return null;
                }
        }

        public FeatureSource<SimpleFeatureType, SimpleFeature> getGeoObject() {
                return fs;
        }

        public String getId() {
                return id;
        }

        public ImageIcon getImageIcon() {
                return null;
        }

        public URL getInfoURL() {
                return null;
        }

        public Translation getKeywords() {
                return null;
        }

        public Style getStyle() {
                return style;
        }

        public Translation getTitle() {
                return title;
        }

        public boolean isDisposed() {
                return false;
        }

        /**
         * If true, this layer will not be shown in the legend. Default = false
         */
        /**
         * 
         * Killed by SK: 6. April 09: Ein Layer soll nicht generell auf
         * verstecken/nicht verstecken gestellt werden können. Das sind
         * Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer.
         * Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer
         * nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher
         * die Funktion genutzt.
         * 
         * // public boolean isHideInLegend() { // return false; // }
         */

        public void setDesc(Translation dec) {
                this.desc = dec;
        }

        public void setImageIcon(ImageIcon icon) {
        }

        public void setKeywords(Translation keywords) {
        }

        public void setStyle(Style style) {
                this.style = style;

        }

        public void setTitle(Translation title) {
                this.title = title;

        }

        public void uncache() {
        }

        /**
         * 
         */
        public AttributeMetadataMap<AttributeMetadataImpl> getAttributeMetaDataMap() {
                if (map == null) {

                        map = new AttributeMetadataImplMap();

                        // // Leaving out the first one, it will be the_geom
                        // for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
                        // AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i);
                        //
                        // AttributeMetadataImpl attMetaData = new AttributeMetadataImpl(
                        // new NameImpl(attDesc
                        // .getName().getNamespaceURI(), attDesc
                        // .getName().getLocalPart()), map.getLanguages());
                        // map.put(attDesc.getName(), attMetaData);
                        // }

                        // Leaving out the first one, it will be the_geom
                        for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
                                AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i);

                                // TODO AttributeMetadataAS would be nicer, which would not work
                                // with Translations ;-)
                                AttributeMetadataImpl attMetaData = new AttributeMetadataImpl(
                                                new NameImpl(attDesc.getName().getNamespaceURI(),
                                                                attDesc.getName().getLocalPart()), map
                                                                .getLanguages());
                                if (String.class.isAssignableFrom(attDesc.getType()
                                                .getBinding())) {
                                        // For Strings we add the "" as NODATA values
                                        attMetaData.addNodataValue("");
                                }
                                map.put(attDesc.getName(), attMetaData);
                        }
                }
                return map;
        }

        /**
         * @return The {@link File} where the SLD was loaded from or
         *         <code>null</code> if there didn't exist a {@link File}.
         * 
         * @author <a href="mailto:[email protected]">Stefan Alfons
         *         Tzeggai</a>
         */
        public File getSldFile() {
                return sldFile;
        }

        public void setSldFile(File sldFile) {
                this.sldFile = sldFile;
        }

        /**
         * Returns the features of the {@link FeatureSource}.
         * 
         * @see {@link StyledFeaturesInterface}
         */
        @Override
        public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollection() {
                FeatureCollection<SimpleFeatureType, SimpleFeature> features;
                try {
                        features = getGeoObject().getFeatures();
                } catch (IOException e) {
                        throw new RuntimeException(
                                        "Error getting the features of the  FeatureSource");
                }
                return features;
        }

        /**
         * Same as {@link #getGeoObject()} method, but complies to the
         * {@link StyledFeaturesInterface}
         * 
         * @see {@link StyledFeaturesInterface}
         */
        @Override
        public FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource() {
                return getGeoObject();
        }

        @Override
        public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollectionFiltered() {
                // final FeatureCollection<SimpleFeatureType, SimpleFeature> fc =
                // getFeatureCollection();
                // if (filter == Filter.EXCLUDE)
                // return new EmptyFeatureCollection(fc.getSchema());
                // if (filter == Filter.INCLUDE)
                // return fc;
                // return fc.subCollection(filter);

                try {
                        return getFeatureSource().getFeatures(filter);
                } catch (IOException e) {
                        throw new RuntimeException(e);
                }
        }

        @Override
        public Filter getFilter() {
                return filter;
        }

        @Override
        public void setFilter(Filter filter) {
                this.filter = filter;
        }

        @Override
        public SimpleFeatureType getSchema() {
                return getGeoObject().getSchema();
        }

        /**
         * Tries to load a style from the file denoted in {@link #getSldFile()}. If
         * the file doesn't exits, return <code>null</code>;
         * @return <code>true</code> is style was loaded
         */
        public boolean loadStyle() {
                if (getSldFile() == null)
                        return false;
                
                try {
                        Style[] loadSLD = StylingUtil.loadSLD(getSldFile());
                        setStyle(loadSLD[0]);
                        return true;
                } catch (Exception e) {
                        return false;
                }

        }

}
1	alfonx	244	/*******************************************************************************
2			* Copyright (c) 2009 Martin O. J. Schmitz.
3			*
4			* This file is part of the SCHMITZM library - a collection of utility
5	alfonx	256	* classes based on Java 1.6, focusing (not only) on Java Swing
6	alfonx	244	* and the Geotools library.
7			*
8			* The SCHMITZM project is hosted at:
9			* http://wald.intevation.org/projects/schmitzm/
10			*
11			* This program is free software; you can redistribute it and/or
12			* modify it under the terms of the GNU Lesser General Public License
13			* as published by the Free Software Foundation; either version 3
14			* of the License, or (at your option) any later version.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU Lesser General Public License (license.txt)
22			* along with this program; if not, write to the Free Software
23			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24			* or try this link: http://www.gnu.org/licenses/lgpl.html
25			*
26			* Contributors:
27			* Martin O. J. Schmitz - initial API and implementation
28	alfonx	862	* Stefan A. Tzeggai - additional utility classes
29	alfonx	244	******************************************************************************/
30			package skrueger.geotools;
31
32			import java.io.File;
33			import java.io.IOException;
34			import java.net.URL;
35			import java.util.Date;
36			import java.util.Random;
37
38			import javax.swing.ImageIcon;
39			import javax.swing.JPanel;
40
41			import org.apache.log4j.Logger;
42			import org.geotools.data.FeatureSource;
43			import org.geotools.feature.FeatureCollection;
44	alfonx	770	import org.geotools.feature.NameImpl;
45	alfonx	244	import org.geotools.styling.Style;
46	alfonx	336	import org.opengis.feature.simple.SimpleFeature;
47			import org.opengis.feature.simple.SimpleFeatureType;
48	alfonx	332	import org.opengis.feature.type.AttributeDescriptor;
49	alfonx	426	import org.opengis.filter.Filter;
50	alfonx	244	import org.opengis.referencing.crs.CoordinateReferenceSystem;
51
52	alfonx	454	import schmitzm.geotools.io.GeoImportUtil;
53	alfonx	244	import schmitzm.geotools.styling.StylingUtil;
54	alfonx	769	import skrueger.AttributeMetadataImpl;
55	alfonx	244	import skrueger.i8n.Translation;
56
57			import com.vividsolutions.jts.geom.Envelope;
58
59			/**
60			* This class enables a non Atlas context to use the Atlas LayerPanel
61			* {@link JPanel} as a {@link MapContextManagerInterface}
62			*
63	alfonx	888	* @author <a href="mailto:[email protected]">Stefan Alfons Tzeggai</a>
64	alfonx	620	*
65	alfonx	863	* TODO Rename to StyledShapefile
66	alfonx	244	*/
67			public class StyledFS implements StyledFeatureSourceInterface {
68			private static final Logger LOGGER = Logger.getLogger(StyledFS.class);
69
70	alfonx	336	private final FeatureSource<SimpleFeatureType, SimpleFeature> fs;
71	alfonx	863
72	alfonx	620	/ Caching the CRS of the layer /
73			CoordinateReferenceSystem crs = null;
74	alfonx	244
75			/**
76			* A unique ID which identifies the Layer in the Atlas. It's more important
77			* than it should be ;-)
78			*/
79			private String id;
80
81			private Style style;
82
83			private Translation title;
84
85			private Translation desc;
86
87			private File sldFile;
88
89	alfonx	863	/ A map of simple attribute names to their meta-data /
90			private AttributeMetadataMap<AttributeMetadataImpl> map;
91	alfonx	244
92	alfonx	426	private Filter filter = Filter.INCLUDE;
93
94	alfonx	244	/**
95			* This class enables a non Atlas context to use the Atlas LayerPanel
96			* {@link JPanel} as a {@link MapContextManagerInterface}
97			*
98			* @param fs
99			* {@link FeatureSource} that is beeing styled.
100			*
101			* @param sldFile
102			* may be <code>null</code>. Otherwise the SLD {@link File} to
103			* import and associate with this {@link StyledFS}
104			*/
105	alfonx	426	public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
106			File sldFile) {
107	alfonx	244
108			this.fs = fs;
109	alfonx	620
110	alfonx	244	id = StyledFS.class.getSimpleName()
111			+ new Random(new Date().getTime()).nextInt(10000000);
112
113			this.sldFile = sldFile;
114
115	alfonx	620	// datei existiert, dann lesen
116	alfonx	336	if (sldFile != null && sldFile.exists()) {
117	alfonx	244	try {
118			style = StylingUtil.loadSLD(sldFile)[0];
119			} catch (Exception e) {
120			LOGGER.warn("Reading SLD failed: " + sldFile, e);
121	alfonx	620	style = null;
122	alfonx	244	}
123			}
124	alfonx	620
125	alfonx	244	title = new Translation();
126	alfonx	426	desc = new Translation();
127	alfonx	244
128	alfonx	426	if (sldFile != null) {
129			title.fromOneLine(sldFile.getName());
130			desc.fromOneLine(sldFile.getAbsolutePath());
131			}
132
133	alfonx	244	}
134
135	alfonx	426	public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs) {
136			this(fs, null);
137			}
138
139	alfonx	244	public void dispose() {
140			}
141
142			/**
143	alfonx	336	* Returns human readable {@link String} of the CRS natively used by this
144	alfonx	244	* {@link DpLayer}
145			*
146	alfonx	336	* If CRS == null, it will call {@link #getGeoObject()}
147	alfonx	244	*
148			*/
149			public String getCRSString() {
150			if (getCrs() == null)
151			return "CRS?";
152
153			return getCrs().getName().getCode();
154			}
155
156			public CoordinateReferenceSystem getCrs() {
157	alfonx	620	if (crs == null) {
158	alfonx	863	crs = fs.getSchema().getCoordinateReferenceSystem();
159	alfonx	620	if (fs.getSchema().getCoordinateReferenceSystem() == null) {
160			LOGGER.warn("Could not determine the CRS of " + getTitle()
161			+ ". Using default " + GeoImportUtil.getDefaultCRS());
162			crs = GeoImportUtil.getDefaultCRS();
163			}
164	alfonx	454	}
165			return crs;
166	alfonx	244	}
167
168			public Translation getDesc() {
169			return desc;
170			}
171
172			public Envelope getEnvelope() {
173			try {
174			return fs.getBounds();
175			} catch (IOException e) {
176			e.printStackTrace();
177			return null;
178			}
179			}
180
181	alfonx	336	public FeatureSource<SimpleFeatureType, SimpleFeature> getGeoObject() {
182	alfonx	244	return fs;
183			}
184
185			public String getId() {
186			return id;
187			}
188
189			public ImageIcon getImageIcon() {
190			return null;
191			}
192
193			public URL getInfoURL() {
194			return null;
195			}
196
197			public Translation getKeywords() {
198			return null;
199			}
200
201			public Style getStyle() {
202			return style;
203			}
204
205			public Translation getTitle() {
206			return title;
207			}
208
209			public boolean isDisposed() {
210			return false;
211			}
212
213			/**
214			* If true, this layer will not be shown in the legend. Default = false
215			*/
216			/**
217			*
218			* Killed by SK: 6. April 09: Ein Layer soll nicht generell auf
219			* verstecken/nicht verstecken gestellt werden können. Das sind
220			* Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer.
221			* Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer
222			* nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher
223			* die Funktion genutzt.
224			*
225			* // public boolean isHideInLegend() { // return false; // }
226			*/
227
228			public void setDesc(Translation dec) {
229			this.desc = dec;
230			}
231
232			public void setImageIcon(ImageIcon icon) {
233			}
234
235			public void setKeywords(Translation keywords) {
236			}
237
238			public void setStyle(Style style) {
239			this.style = style;
240
241			}
242
243			public void setTitle(Translation title) {
244			this.title = title;
245
246			}
247
248			public void uncache() {
249			}
250
251			/**
252			*
253			*/
254	alfonx	863	public AttributeMetadataMap<AttributeMetadataImpl> getAttributeMetaDataMap() {
255	alfonx	244	if (map == null) {
256
257	alfonx	769	map = new AttributeMetadataImplMap();
258	alfonx	244
259	alfonx	863	// // Leaving out the first one, it will be the_geom
260			// for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
261			// AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i);
262			//
263			// AttributeMetadataImpl attMetaData = new AttributeMetadataImpl(
264			// new NameImpl(attDesc
265			// .getName().getNamespaceURI(), attDesc
266			// .getName().getLocalPart()), map.getLanguages());
267			// map.put(attDesc.getName(), attMetaData);
268			// }
269
270	alfonx	244	// Leaving out the first one, it will be the_geom
271			for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
272	alfonx	464	AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i);
273	alfonx	244
274	alfonx	863	// TODO AttributeMetadataAS would be nicer, which would not work
275			// with Translations ;-)
276			AttributeMetadataImpl attMetaData = new AttributeMetadataImpl(
277			new NameImpl(attDesc.getName().getNamespaceURI(),
278			attDesc.getName().getLocalPart()), map
279			.getLanguages());
280			if (String.class.isAssignableFrom(attDesc.getType()
281			.getBinding())) {
282	alfonx	775	// For Strings we add the "" as NODATA values
283			attMetaData.addNodataValue("");
284			}
285	alfonx	464	map.put(attDesc.getName(), attMetaData);
286	alfonx	244	}
287			}
288			return map;
289			}
290
291			/**
292			* @return The {@link File} where the SLD was loaded from or
293	alfonx	426	* <code>null</code> if there didn't exist a {@link File}.
294	alfonx	244	*
295			* @author <a href="mailto:[email protected]">Stefan Alfons
296	alfonx	888	* Tzeggai</a>
297	alfonx	244	*/
298			public File getSldFile() {
299			return sldFile;
300			}
301	alfonx	863
302	alfonx	244	public void setSldFile(File sldFile) {
303			this.sldFile = sldFile;
304			}
305
306			/**
307			* Returns the features of the {@link FeatureSource}.
308			*
309			* @see {@link StyledFeaturesInterface}
310			*/
311			@Override
312	alfonx	447	public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollection() {
313			FeatureCollection<SimpleFeatureType, SimpleFeature> features;
314	alfonx	244	try {
315			features = getGeoObject().getFeatures();
316			} catch (IOException e) {
317			throw new RuntimeException(
318			"Error getting the features of the FeatureSource");
319			}
320			return features;
321			}
322
323			/**
324			* Same as {@link #getGeoObject()} method, but complies to the
325			* {@link StyledFeaturesInterface}
326			*
327			* @see {@link StyledFeaturesInterface}
328			*/
329			@Override
330	alfonx	426	public FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource() {
331	alfonx	244	return getGeoObject();
332			}
333
334	alfonx	426	@Override
335			public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollectionFiltered() {
336	alfonx	620	// final FeatureCollection<SimpleFeatureType, SimpleFeature> fc =
337			// getFeatureCollection();
338			// if (filter == Filter.EXCLUDE)
339			// return new EmptyFeatureCollection(fc.getSchema());
340			// if (filter == Filter.INCLUDE)
341			// return fc;
342			// return fc.subCollection(filter);
343
344	alfonx	607	try {
345			return getFeatureSource().getFeatures(filter);
346			} catch (IOException e) {
347			throw new RuntimeException(e);
348			}
349	alfonx	426	}
350
351			@Override
352			public Filter getFilter() {
353			return filter;
354			}
355
356			@Override
357			public void setFilter(Filter filter) {
358			this.filter = filter;
359			}
360
361			@Override
362			public SimpleFeatureType getSchema() {
363			return getGeoObject().getSchema();
364			}
365
366	alfonx	863	/**
367			* Tries to load a style from the file denoted in {@link #getSldFile()}. If
368			* the file doesn't exits, return <code>null</code>;
369			* @return <code>true</code> is style was loaded
370			*/
371			public boolean loadStyle() {
372			if (getSldFile() == null)
373			return false;
374
375			try {
376			Style[] loadSLD = StylingUtil.loadSLD(getSldFile());
377			setStyle(loadSLD[0]);
378			return true;
379			} catch (Exception e) {
380			return false;
381			}
382
383			}
384
385	alfonx	244	}