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.HashMap;
import java.util.Map;
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.type.AttributeDescriptor;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

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 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 HashMap<Integer, AttributeMetaData> map;

        /**
         * 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 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();
                title.fromOneLine(sldFile.getName());

                desc = new Translation();
                desc.fromOneLine(sldFile.getAbsolutePath());
        }

        public void dispose() {
        }

        /**
         * Returnes 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() {
                return fs.getSchema().getDefaultGeometry().getCoordinateSystem();
        }

        public Translation getDesc() {
                return desc;
        }

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

        public FeatureSource 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 Map<Integer, AttributeMetaData> getAttributeMetaDataMap() {
                if (map == null) {

                        map = new HashMap<Integer, AttributeMetaData>();

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

                                AttributeMetaData attMetaData = new AttributeMetaData(i, att
                                                .getLocalName());
                                map.put(i, 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 getFeatureCollection() {
                FeatureCollection 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 getFeatureSource() {
                return getGeoObject();
        }

}
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.FileNotFoundException;
34			import java.io.IOException;
35			import java.net.URL;
36			import java.util.Date;
37			import java.util.HashMap;
38			import java.util.Map;
39			import java.util.Random;
40
41			import javax.swing.ImageIcon;
42			import javax.swing.JPanel;
43
44			import org.apache.log4j.Logger;
45			import org.geotools.data.FeatureSource;
46			import org.geotools.feature.FeatureCollection;
47			import org.geotools.styling.Style;
48	alfonx	332	import org.opengis.feature.type.AttributeDescriptor;
49	alfonx	244	import org.opengis.referencing.crs.CoordinateReferenceSystem;
50
51			import schmitzm.geotools.styling.StylingUtil;
52			import skrueger.AttributeMetaData;
53			import skrueger.i8n.Translation;
54
55			import com.vividsolutions.jts.geom.Envelope;
56
57			/**
58			* This class enables a non Atlas context to use the Atlas LayerPanel
59			* {@link JPanel} as a {@link MapContextManagerInterface}
60			*
61			* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a>
62			*/
63			public class StyledFS implements StyledFeatureSourceInterface {
64			private static final Logger LOGGER = Logger.getLogger(StyledFS.class);
65
66			private final FeatureSource fs;
67
68			/**
69			* A unique ID which identifies the Layer in the Atlas. It's more important
70			* than it should be ;-)
71			*/
72			private String id;
73
74			private Style style;
75
76			private Translation title;
77
78			private Translation desc;
79
80			private File sldFile;
81
82			private HashMap<Integer, AttributeMetaData> map;
83
84			/**
85			* This class enables a non Atlas context to use the Atlas LayerPanel
86			* {@link JPanel} as a {@link MapContextManagerInterface}
87			*
88			* @param fs
89			* {@link FeatureSource} that is beeing styled.
90			*
91			* @param sldFile
92			* may be <code>null</code>. Otherwise the SLD {@link File} to
93			* import and associate with this {@link StyledFS}
94			*/
95			public StyledFS(FeatureSource fs, File sldFile) {
96
97			this.fs = fs;
98			id = StyledFS.class.getSimpleName()
99			+ new Random(new Date().getTime()).nextInt(10000000);
100
101			this.sldFile = sldFile;
102
103			if ((sldFile != null) && (sldFile.exists())) {
104			try {
105			style = StylingUtil.loadSLD(sldFile)[0];
106			} catch (FileNotFoundException e) {
107			LOGGER
108			.debug("The SLD file passed was empty. Leaving the Style untouched. (We are in the constructor.. so its null");
109			} catch (Exception e) {
110			LOGGER.warn("Reading SLD failed: " + sldFile, e);
111			}
112			}
113			title = new Translation();
114			title.fromOneLine(sldFile.getName());
115
116			desc = new Translation();
117			desc.fromOneLine(sldFile.getAbsolutePath());
118			}
119
120			public void dispose() {
121			}
122
123			/**
124			* Returnes human readable {@link String} of the CRS natively used by this
125			* {@link DpLayer}
126			*
127			* If crs == null, it will call {@link #getGeoObject()}
128			*
129			*/
130			public String getCRSString() {
131			if (getCrs() == null)
132			return "CRS?";
133
134			return getCrs().getName().getCode();
135			}
136
137			public CoordinateReferenceSystem getCrs() {
138			return fs.getSchema().getDefaultGeometry().getCoordinateSystem();
139			}
140
141			public Translation getDesc() {
142			return desc;
143			}
144
145			public Envelope getEnvelope() {
146			try {
147			return fs.getBounds();
148			} catch (IOException e) {
149			e.printStackTrace();
150			return null;
151			}
152			}
153
154			public FeatureSource getGeoObject() {
155			return fs;
156			}
157
158			public String getId() {
159			return id;
160			}
161
162			public ImageIcon getImageIcon() {
163			return null;
164			}
165
166			public URL getInfoURL() {
167			return null;
168			}
169
170			public Translation getKeywords() {
171			return null;
172			}
173
174			public Style getStyle() {
175			return style;
176			}
177
178			public Translation getTitle() {
179			return title;
180			}
181
182			public boolean isDisposed() {
183			return false;
184			}
185
186			/**
187			* If true, this layer will not be shown in the legend. Default = false
188			*/
189			/**
190			*
191			* Killed by SK: 6. April 09: Ein Layer soll nicht generell auf
192			* verstecken/nicht verstecken gestellt werden können. Das sind
193			* Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer.
194			* Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer
195			* nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher
196			* die Funktion genutzt.
197			*
198			* // public boolean isHideInLegend() { // return false; // }
199			*/
200
201			public void setDesc(Translation dec) {
202			this.desc = dec;
203			}
204
205			public void setImageIcon(ImageIcon icon) {
206			}
207
208			public void setKeywords(Translation keywords) {
209			}
210
211			public void setStyle(Style style) {
212			this.style = style;
213
214			}
215
216			public void setTitle(Translation title) {
217			this.title = title;
218
219			}
220
221			public void uncache() {
222			}
223
224			/**
225			*
226			*/
227			public Map<Integer, AttributeMetaData> getAttributeMetaDataMap() {
228			if (map == null) {
229
230			map = new HashMap<Integer, AttributeMetaData>();
231
232			// Leaving out the first one, it will be the_geom
233			for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
234	alfonx	332	AttributeDescriptor att = fs.getSchema().getAttributeType(i);
235	alfonx	244
236			AttributeMetaData attMetaData = new AttributeMetaData(i, att
237			.getLocalName());
238			map.put(i, attMetaData);
239			}
240			}
241			return map;
242			}
243
244			/**
245			* @return The {@link File} where the SLD was loaded from or
246			* <code>null</code> if there didn't exist a {@link File}.
247			*
248			* @author <a href="mailto:[email protected]">Stefan Alfons
249			* Krüger</a>
250			*/
251			public File getSldFile() {
252			return sldFile;
253			}
254
255			public void setSldFile(File sldFile) {
256			this.sldFile = sldFile;
257			}
258
259			/**
260			* Returns the features of the {@link FeatureSource}.
261			*
262			* @see {@link StyledFeaturesInterface}
263			*/
264			@Override
265			public FeatureCollection getFeatureCollection() {
266			FeatureCollection features;
267			try {
268			features = getGeoObject().getFeatures();
269			} catch (IOException e) {
270			throw new RuntimeException(
271			"Error getting the features of the FeatureSource");
272			}
273			return features;
274			}
275
276			/**
277			* Same as {@link #getGeoObject()} method, but complies to the
278			* {@link StyledFeaturesInterface}
279			*
280			* @see {@link StyledFeaturesInterface}
281			*/
282			@Override
283			public FeatureSource getFeatureSource() {
284			return getGeoObject();
285			}
286
287			}