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. Krüger - 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.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.AttributeMetadata;
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 Kr&uuml;ger</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;

        private AttributeMetadataMap 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 getAttributeMetaDataMap() {
                if (map == null) {

                        map = new AttributeMetadataMap(new String[] { Translation
                                        .getActiveLang() });

                        // 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);

                                AttributeMetadata attMetaData = new AttributeMetadata(attDesc
                                                .getName(), map.getLanguages());
                                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
         *         Kr&uuml;ger</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();
        }

}
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			* Stefan A. Krüger - additional utility classes
29			******************************************************************************/
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			import org.geotools.styling.Style;
45	alfonx	336	import org.opengis.feature.simple.SimpleFeature;
46			import org.opengis.feature.simple.SimpleFeatureType;
47	alfonx	332	import org.opengis.feature.type.AttributeDescriptor;
48	alfonx	426	import org.opengis.filter.Filter;
49	alfonx	244	import org.opengis.referencing.crs.CoordinateReferenceSystem;
50
51	alfonx	454	import schmitzm.geotools.io.GeoImportUtil;
52	alfonx	244	import schmitzm.geotools.styling.StylingUtil;
53	alfonx	464	import skrueger.AttributeMetadata;
54	alfonx	244	import skrueger.i8n.Translation;
55
56			import com.vividsolutions.jts.geom.Envelope;
57
58			/**
59			* This class enables a non Atlas context to use the Atlas LayerPanel
60			* {@link JPanel} as a {@link MapContextManagerInterface}
61			*
62			* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a>
63	alfonx	620	*
64			* TODO Rename to StyledShapefile
65	alfonx	244	*/
66			public class StyledFS implements StyledFeatureSourceInterface {
67			private static final Logger LOGGER = Logger.getLogger(StyledFS.class);
68
69	alfonx	336	private final FeatureSource<SimpleFeatureType, SimpleFeature> fs;
70	alfonx	620
71			/ Caching the CRS of the layer /
72			CoordinateReferenceSystem crs = null;
73	alfonx	244
74			/**
75			* A unique ID which identifies the Layer in the Atlas. It's more important
76			* than it should be ;-)
77			*/
78			private String id;
79
80			private Style style;
81
82			private Translation title;
83
84			private Translation desc;
85
86			private File sldFile;
87
88	alfonx	420	private AttributeMetadataMap map;
89	alfonx	244
90	alfonx	426	private Filter filter = Filter.INCLUDE;
91
92	alfonx	244	/**
93			* This class enables a non Atlas context to use the Atlas LayerPanel
94			* {@link JPanel} as a {@link MapContextManagerInterface}
95			*
96			* @param fs
97			* {@link FeatureSource} that is beeing styled.
98			*
99			* @param sldFile
100			* may be <code>null</code>. Otherwise the SLD {@link File} to
101			* import and associate with this {@link StyledFS}
102			*/
103	alfonx	426	public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
104			File sldFile) {
105	alfonx	244
106			this.fs = fs;
107	alfonx	620
108	alfonx	244	id = StyledFS.class.getSimpleName()
109			+ new Random(new Date().getTime()).nextInt(10000000);
110
111			this.sldFile = sldFile;
112
113	alfonx	620	// datei existiert, dann lesen
114	alfonx	336	if (sldFile != null && sldFile.exists()) {
115	alfonx	244	try {
116			style = StylingUtil.loadSLD(sldFile)[0];
117			} catch (Exception e) {
118			LOGGER.warn("Reading SLD failed: " + sldFile, e);
119	alfonx	620	style = null;
120	alfonx	244	}
121			}
122	alfonx	620
123	alfonx	244	title = new Translation();
124	alfonx	426	desc = new Translation();
125	alfonx	244
126	alfonx	426	if (sldFile != null) {
127			title.fromOneLine(sldFile.getName());
128			desc.fromOneLine(sldFile.getAbsolutePath());
129			}
130
131	alfonx	244	}
132
133	alfonx	426	public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs) {
134			this(fs, null);
135			}
136
137	alfonx	244	public void dispose() {
138			}
139
140			/**
141	alfonx	336	* Returns human readable {@link String} of the CRS natively used by this
142	alfonx	244	* {@link DpLayer}
143			*
144	alfonx	336	* If CRS == null, it will call {@link #getGeoObject()}
145	alfonx	244	*
146			*/
147			public String getCRSString() {
148			if (getCrs() == null)
149			return "CRS?";
150
151			return getCrs().getName().getCode();
152			}
153
154			public CoordinateReferenceSystem getCrs() {
155	alfonx	620	if (crs == null) {
156			crs = fs.getSchema()
157			.getCoordinateReferenceSystem();
158			if (fs.getSchema().getCoordinateReferenceSystem() == null) {
159			LOGGER.warn("Could not determine the CRS of " + getTitle()
160			+ ". Using default " + GeoImportUtil.getDefaultCRS());
161			crs = GeoImportUtil.getDefaultCRS();
162			}
163	alfonx	454	}
164			return crs;
165	alfonx	244	}
166
167			public Translation getDesc() {
168			return desc;
169			}
170
171			public Envelope getEnvelope() {
172			try {
173			return fs.getBounds();
174			} catch (IOException e) {
175			e.printStackTrace();
176			return null;
177			}
178			}
179
180	alfonx	336	public FeatureSource<SimpleFeatureType, SimpleFeature> getGeoObject() {
181	alfonx	244	return fs;
182			}
183
184			public String getId() {
185			return id;
186			}
187
188			public ImageIcon getImageIcon() {
189			return null;
190			}
191
192			public URL getInfoURL() {
193			return null;
194			}
195
196			public Translation getKeywords() {
197			return null;
198			}
199
200			public Style getStyle() {
201			return style;
202			}
203
204			public Translation getTitle() {
205			return title;
206			}
207
208			public boolean isDisposed() {
209			return false;
210			}
211
212			/**
213			* If true, this layer will not be shown in the legend. Default = false
214			*/
215			/**
216			*
217			* Killed by SK: 6. April 09: Ein Layer soll nicht generell auf
218			* verstecken/nicht verstecken gestellt werden können. Das sind
219			* Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer.
220			* Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer
221			* nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher
222			* die Funktion genutzt.
223			*
224			* // public boolean isHideInLegend() { // return false; // }
225			*/
226
227			public void setDesc(Translation dec) {
228			this.desc = dec;
229			}
230
231			public void setImageIcon(ImageIcon icon) {
232			}
233
234			public void setKeywords(Translation keywords) {
235			}
236
237			public void setStyle(Style style) {
238			this.style = style;
239
240			}
241
242			public void setTitle(Translation title) {
243			this.title = title;
244
245			}
246
247			public void uncache() {
248			}
249
250			/**
251			*
252			*/
253	alfonx	420	public AttributeMetadataMap getAttributeMetaDataMap() {
254	alfonx	244	if (map == null) {
255
256	alfonx	620	map = new AttributeMetadataMap(new String[] { Translation
257			.getActiveLang() });
258	alfonx	244
259			// Leaving out the first one, it will be the_geom
260			for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
261	alfonx	464	AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i);
262	alfonx	244
263	alfonx	620	AttributeMetadata attMetaData = new AttributeMetadata(attDesc
264			.getName(), map.getLanguages());
265	alfonx	464	map.put(attDesc.getName(), attMetaData);
266	alfonx	244	}
267			}
268			return map;
269			}
270
271			/**
272			* @return The {@link File} where the SLD was loaded from or
273	alfonx	426	* <code>null</code> if there didn't exist a {@link File}.
274	alfonx	244	*
275			* @author <a href="mailto:[email protected]">Stefan Alfons
276			* Krüger</a>
277			*/
278			public File getSldFile() {
279			return sldFile;
280			}
281	alfonx	620
282	alfonx	244	public void setSldFile(File sldFile) {
283			this.sldFile = sldFile;
284			}
285
286			/**
287			* Returns the features of the {@link FeatureSource}.
288			*
289			* @see {@link StyledFeaturesInterface}
290			*/
291			@Override
292	alfonx	447	public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollection() {
293			FeatureCollection<SimpleFeatureType, SimpleFeature> features;
294	alfonx	244	try {
295			features = getGeoObject().getFeatures();
296			} catch (IOException e) {
297			throw new RuntimeException(
298			"Error getting the features of the FeatureSource");
299			}
300			return features;
301			}
302
303			/**
304			* Same as {@link #getGeoObject()} method, but complies to the
305			* {@link StyledFeaturesInterface}
306			*
307			* @see {@link StyledFeaturesInterface}
308			*/
309			@Override
310	alfonx	426	public FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource() {
311	alfonx	244	return getGeoObject();
312			}
313
314	alfonx	426	@Override
315			public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollectionFiltered() {
316	alfonx	620	// final FeatureCollection<SimpleFeatureType, SimpleFeature> fc =
317			// getFeatureCollection();
318			// if (filter == Filter.EXCLUDE)
319			// return new EmptyFeatureCollection(fc.getSchema());
320			// if (filter == Filter.INCLUDE)
321			// return fc;
322			// return fc.subCollection(filter);
323
324	alfonx	607	try {
325			return getFeatureSource().getFeatures(filter);
326			} catch (IOException e) {
327			throw new RuntimeException(e);
328			}
329	alfonx	426	}
330
331			@Override
332			public Filter getFilter() {
333			return filter;
334			}
335
336			@Override
337			public void setFilter(Filter filter) {
338			this.filter = filter;
339			}
340
341			@Override
342			public SimpleFeatureType getSchema() {
343			return getGeoObject().getSchema();
344			}
345
346	alfonx	244	}