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.FileNotFoundException;
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.data.store.EmptyFeatureCollection;
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>
 */
public class StyledFS implements StyledFeatureSourceInterface {
        private static final Logger LOGGER = Logger.getLogger(StyledFS.class);

        private final FeatureSource<SimpleFeatureType, SimpleFeature> fs;

        /**
         * 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;

                if (sldFile != null && sldFile.exists()) {
                        try {
                                style = StylingUtil.loadSLD(sldFile)[0];
                        } catch (FileNotFoundException e) {
                                LOGGER
                                                .debug("The SLD file passed was empty. Leaving the Style untouched. (We are in the constructor.. so its null");
                        } catch (Exception e) {
                                LOGGER.warn("Reading SLD failed: " + sldFile, e);
                        }
                }
                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() {
                CoordinateReferenceSystem 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();

                        // 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.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);
        }

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

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

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

}
1	/*******************************************************************************
2	* Copyright (c) 2009 Martin O. J. Schmitz.
3	*
4	* This file is part of the SCHMITZM library - a collection of utility
5	* classes based on Java 1.6, focusing (not only) on Java Swing
6	* 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.FileNotFoundException;
34	import java.io.IOException;
35	import java.net.URL;
36	import java.util.Date;
37	import java.util.Random;
38
39	import javax.swing.ImageIcon;
40	import javax.swing.JPanel;
41
42	import org.apache.log4j.Logger;
43	import org.geotools.data.FeatureSource;
44	import org.geotools.data.store.EmptyFeatureCollection;
45	import org.geotools.feature.FeatureCollection;
46	import org.geotools.styling.Style;
47	import org.opengis.feature.simple.SimpleFeature;
48	import org.opengis.feature.simple.SimpleFeatureType;
49	import org.opengis.feature.type.AttributeDescriptor;
50	import org.opengis.filter.Filter;
51	import org.opengis.referencing.crs.CoordinateReferenceSystem;
52
53	import schmitzm.geotools.io.GeoImportUtil;
54	import schmitzm.geotools.styling.StylingUtil;
55	import skrueger.AttributeMetadata;
56	import skrueger.i8n.Translation;
57
58	import com.vividsolutions.jts.geom.Envelope;
59
60	/**
61	* This class enables a non Atlas context to use the Atlas LayerPanel
62	* {@link JPanel} as a {@link MapContextManagerInterface}
63	*
64	* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a>
65	*/
66	public class StyledFS implements StyledFeatureSourceInterface {
67	private static final Logger LOGGER = Logger.getLogger(StyledFS.class);
68
69	private final FeatureSource<SimpleFeatureType, SimpleFeature> fs;
70
71	/**
72	* A unique ID which identifies the Layer in the Atlas. It's more important
73	* than it should be ;-)
74	*/
75	private String id;
76
77	private Style style;
78
79	private Translation title;
80
81	private Translation desc;
82
83	private File sldFile;
84
85	private AttributeMetadataMap map;
86
87	private Filter filter = Filter.INCLUDE;
88
89	/**
90	* This class enables a non Atlas context to use the Atlas LayerPanel
91	* {@link JPanel} as a {@link MapContextManagerInterface}
92	*
93	* @param fs
94	* {@link FeatureSource} that is beeing styled.
95	*
96	* @param sldFile
97	* may be <code>null</code>. Otherwise the SLD {@link File} to
98	* import and associate with this {@link StyledFS}
99	*/
100	public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
101	File sldFile) {
102
103	this.fs = fs;
104	id = StyledFS.class.getSimpleName()
105	+ new Random(new Date().getTime()).nextInt(10000000);
106
107	this.sldFile = sldFile;
108
109	if (sldFile != null && sldFile.exists()) {
110	try {
111	style = StylingUtil.loadSLD(sldFile)[0];
112	} catch (FileNotFoundException e) {
113	LOGGER
114	.debug("The SLD file passed was empty. Leaving the Style untouched. (We are in the constructor.. so its null");
115	} catch (Exception e) {
116	LOGGER.warn("Reading SLD failed: " + sldFile, e);
117	}
118	}
119	title = new Translation();
120	desc = new Translation();
121
122	if (sldFile != null) {
123	title.fromOneLine(sldFile.getName());
124	desc.fromOneLine(sldFile.getAbsolutePath());
125	}
126
127	}
128
129	public StyledFS(FeatureSource<SimpleFeatureType, SimpleFeature> fs) {
130	this(fs, null);
131	}
132
133	public void dispose() {
134	}
135
136	/**
137	* Returns human readable {@link String} of the CRS natively used by this
138	* {@link DpLayer}
139	*
140	* If CRS == null, it will call {@link #getGeoObject()}
141	*
142	*/
143	public String getCRSString() {
144	if (getCrs() == null)
145	return "CRS?";
146
147	return getCrs().getName().getCode();
148	}
149
150	public CoordinateReferenceSystem getCrs() {
151	CoordinateReferenceSystem crs = fs.getSchema().getCoordinateReferenceSystem();
152	if (fs.getSchema().getCoordinateReferenceSystem() == null) {
153	LOGGER.warn("Could not determine the CRS of "+getTitle()+". Using default "+GeoImportUtil.getDefaultCRS());
154	crs = GeoImportUtil.getDefaultCRS();
155	}
156	return crs;
157	}
158
159	public Translation getDesc() {
160	return desc;
161	}
162
163	public Envelope getEnvelope() {
164	try {
165	return fs.getBounds();
166	} catch (IOException e) {
167	e.printStackTrace();
168	return null;
169	}
170	}
171
172	public FeatureSource<SimpleFeatureType, SimpleFeature> getGeoObject() {
173	return fs;
174	}
175
176	public String getId() {
177	return id;
178	}
179
180	public ImageIcon getImageIcon() {
181	return null;
182	}
183
184	public URL getInfoURL() {
185	return null;
186	}
187
188	public Translation getKeywords() {
189	return null;
190	}
191
192	public Style getStyle() {
193	return style;
194	}
195
196	public Translation getTitle() {
197	return title;
198	}
199
200	public boolean isDisposed() {
201	return false;
202	}
203
204	/**
205	* If true, this layer will not be shown in the legend. Default = false
206	*/
207	/**
208	*
209	* Killed by SK: 6. April 09: Ein Layer soll nicht generell auf
210	* verstecken/nicht verstecken gestellt werden können. Das sind
211	* Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer.
212	* Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer
213	* nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher
214	* die Funktion genutzt.
215	*
216	* // public boolean isHideInLegend() { // return false; // }
217	*/
218
219	public void setDesc(Translation dec) {
220	this.desc = dec;
221	}
222
223	public void setImageIcon(ImageIcon icon) {
224	}
225
226	public void setKeywords(Translation keywords) {
227	}
228
229	public void setStyle(Style style) {
230	this.style = style;
231
232	}
233
234	public void setTitle(Translation title) {
235	this.title = title;
236
237	}
238
239	public void uncache() {
240	}
241
242	/**
243	*
244	*/
245	public AttributeMetadataMap getAttributeMetaDataMap() {
246	if (map == null) {
247
248	map = new AttributeMetadataMap();
249
250	// Leaving out the first one, it will be the_geom
251	for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
252	AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i);
253
254	AttributeMetadata attMetaData = new AttributeMetadata(attDesc.getName());
255	map.put(attDesc.getName(), attMetaData);
256	}
257	}
258	return map;
259	}
260
261	/**
262	* @return The {@link File} where the SLD was loaded from or
263	* <code>null</code> if there didn't exist a {@link File}.
264	*
265	* @author <a href="mailto:[email protected]">Stefan Alfons
266	* Krüger</a>
267	*/
268	public File getSldFile() {
269	return sldFile;
270	}
271
272	public void setSldFile(File sldFile) {
273	this.sldFile = sldFile;
274	}
275
276	/**
277	* Returns the features of the {@link FeatureSource}.
278	*
279	* @see {@link StyledFeaturesInterface}
280	*/
281	@Override
282	public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollection() {
283	FeatureCollection<SimpleFeatureType, SimpleFeature> features;
284	try {
285	features = getGeoObject().getFeatures();
286	} catch (IOException e) {
287	throw new RuntimeException(
288	"Error getting the features of the FeatureSource");
289	}
290	return features;
291	}
292
293	/**
294	* Same as {@link #getGeoObject()} method, but complies to the
295	* {@link StyledFeaturesInterface}
296	*
297	* @see {@link StyledFeaturesInterface}
298	*/
299	@Override
300	public FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource() {
301	return getGeoObject();
302	}
303
304	@Override
305	public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollectionFiltered() {
306	final FeatureCollection<SimpleFeatureType, SimpleFeature> fc = getFeatureCollection();
307	if (filter == Filter.EXCLUDE)
308	return new EmptyFeatureCollection(fc.getSchema());
309	if (filter == Filter.INCLUDE)
310	return fc;
311	return fc.subCollection(filter);
312	}
313
314	@Override
315	public Filter getFilter() {
316	return filter;
317	}
318
319	@Override
320	public void setFilter(Filter filter) {
321	this.filter = filter;
322	}
323
324	@Override
325	public SimpleFeatureType getSchema() {
326	return getGeoObject().getSchema();
327	}
328
329	}