skrueger/geotools/StyledFS.java

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.AttributeType;
import org.geotools.feature.FeatureCollection;
import org.geotools.styling.Style;
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++) {
                                AttributeType 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}. (It could
         *         be a WFS or a PostGIS
         * 
         * @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	mojays	2	package skrueger.geotools;
2
3			import java.io.File;
4			import java.io.FileNotFoundException;
5			import java.io.IOException;
6			import java.net.URL;
7			import java.util.Date;
8			import java.util.HashMap;
9			import java.util.Map;
10			import java.util.Random;
11
12			import javax.swing.ImageIcon;
13			import javax.swing.JPanel;
14
15			import org.apache.log4j.Logger;
16			import org.geotools.data.FeatureSource;
17			import org.geotools.feature.AttributeType;
18	alfonx	221	import org.geotools.feature.FeatureCollection;
19	mojays	2	import org.geotools.styling.Style;
20			import org.opengis.referencing.crs.CoordinateReferenceSystem;
21
22			import schmitzm.geotools.styling.StylingUtil;
23			import skrueger.AttributeMetaData;
24			import skrueger.i8n.Translation;
25
26			import com.vividsolutions.jts.geom.Envelope;
27
28			/**
29			* This class enables a non Atlas context to use the Atlas LayerPanel
30			* {@link JPanel} as a {@link MapContextManagerInterface}
31			*
32			* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a>
33			*/
34			public class StyledFS implements StyledFeatureSourceInterface {
35			private static final Logger LOGGER = Logger.getLogger(StyledFS.class);
36
37			private final FeatureSource fs;
38
39			/**
40			* A unique ID which identifies the Layer in the Atlas. It's more important
41			* than it should be ;-)
42			*/
43			private String id;
44
45			private Style style;
46
47			private Translation title;
48
49			private Translation desc;
50
51			private File sldFile;
52
53			private HashMap<Integer, AttributeMetaData> map;
54
55			/**
56			* This class enables a non Atlas context to use the Atlas LayerPanel
57			* {@link JPanel} as a {@link MapContextManagerInterface}
58			*
59			* @param fs
60			* {@link FeatureSource} that is beeing styled.
61			*
62			* @param sldFile
63			* may be <code>null</code>. Otherwise the SLD {@link File} to
64			* import and associate with this {@link StyledFS}
65			*/
66			public StyledFS(FeatureSource fs, File sldFile) {
67
68			this.fs = fs;
69			id = StyledFS.class.getSimpleName()
70			+ new Random(new Date().getTime()).nextInt(10000000);
71
72			this.sldFile = sldFile;
73
74			if ((sldFile != null) && (sldFile.exists())) {
75			try {
76			style = StylingUtil.loadSLD(sldFile)[0];
77			} catch (FileNotFoundException e) {
78			LOGGER
79			.debug("The SLD file passed was empty. Leaving the Style untouched. (We are in the constructor.. so its null");
80	alfonx	169	} catch (Exception e) {
81			LOGGER.warn("Reading SLD failed: " + sldFile, e);
82	mojays	2	}
83			}
84			title = new Translation();
85			title.fromOneLine(sldFile.getName());
86
87			desc = new Translation();
88			desc.fromOneLine(sldFile.getAbsolutePath());
89			}
90
91			public void dispose() {
92			}
93
94			/**
95			* Returnes human readable {@link String} of the CRS natively used by this
96			* {@link DpLayer}
97			*
98			* If crs == null, it will call {@link #getGeoObject()}
99			*
100			*/
101			public String getCRSString() {
102			if (getCrs() == null)
103			return "CRS?";
104
105			return getCrs().getName().getCode();
106			}
107
108			public CoordinateReferenceSystem getCrs() {
109			return fs.getSchema().getDefaultGeometry().getCoordinateSystem();
110			}
111
112			public Translation getDesc() {
113			return desc;
114			}
115
116			public Envelope getEnvelope() {
117			try {
118			return fs.getBounds();
119			} catch (IOException e) {
120			e.printStackTrace();
121			return null;
122			}
123			}
124
125	alfonx	208	public FeatureSource getGeoObject() {
126	mojays	2	return fs;
127			}
128
129			public String getId() {
130			return id;
131			}
132
133			public ImageIcon getImageIcon() {
134			return null;
135			}
136
137			public URL getInfoURL() {
138			return null;
139			}
140
141			public Translation getKeywords() {
142			return null;
143			}
144
145			public Style getStyle() {
146			return style;
147			}
148
149			public Translation getTitle() {
150			return title;
151			}
152
153			public boolean isDisposed() {
154			return false;
155			}
156
157	alfonx	40	/**
158			* If true, this layer will not be shown in the legend. Default = false
159			*/
160			/**
161			*
162			* Killed by SK: 6. April 09: Ein Layer soll nicht generell auf
163			* verstecken/nicht verstecken gestellt werden können. Das sind
164			* Eigenschaften der Karte/MapContext, ebenso wie die Reihenfolge der Layer.
165			* Im Atlas verwaltet deshalb nun die Klasse skrueger.atlas.Map welche Layer
166			* nicht in der Legende auftauchen sollen. Meines Wissens hat keiner bisher
167			* die Funktion genutzt.
168			*
169	alfonx	169	* // public boolean isHideInLegend() { // return false; // }
170	alfonx	40	*/
171	mojays	2
172			public void setDesc(Translation dec) {
173			this.desc = dec;
174			}
175
176			public void setImageIcon(ImageIcon icon) {
177			}
178
179			public void setKeywords(Translation keywords) {
180			}
181
182			public void setStyle(Style style) {
183			this.style = style;
184
185			}
186
187			public void setTitle(Translation title) {
188			this.title = title;
189
190			}
191
192			public void uncache() {
193			}
194
195	alfonx	93	/**
196			*
197			*/
198	mojays	2	public Map<Integer, AttributeMetaData> getAttributeMetaDataMap() {
199			if (map == null) {
200	alfonx	169
201	mojays	2	map = new HashMap<Integer, AttributeMetaData>();
202	alfonx	169
203	mojays	2	// Leaving out the first one, it will be the_geom
204			for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) {
205			AttributeType att = fs.getSchema().getAttributeType(i);
206	alfonx	169
207			AttributeMetaData attMetaData = new AttributeMetaData(i, att
208			.getLocalName());
209	mojays	2	map.put(i, attMetaData);
210			}
211			}
212			return map;
213			}
214
215			/**
216			* @return The {@link File} where the SLD was loaded from or
217	alfonx	169	* <code>null</code> if there didn't exist a {@link File}. (It could
218			* be a WFS or a PostGIS
219	mojays	2	*
220	alfonx	169	* @author <a href="mailto:[email protected]">Stefan Alfons
221			* Krüger</a>
222	mojays	2	*/
223			public File getSldFile() {
224			return sldFile;
225			}
226
227			public void setSldFile(File sldFile) {
228			this.sldFile = sldFile;
229			}
230
231	alfonx	221	/**
232			* Returns the features of the {@link FeatureSource}.
233			*
234	alfonx	222	* @see {@link StyledFeaturesInterface}
235	alfonx	221	*/
236			@Override
237			public FeatureCollection getFeatureCollection() {
238			FeatureCollection features;
239			try {
240			features = getGeoObject().getFeatures();
241			} catch (IOException e) {
242			throw new RuntimeException(
243			"Error getting the features of the FeatureSource");
244			}
245			return features;
246			}
247
248			/**
249			* Same as {@link #getGeoObject()} method, but complies to the
250	alfonx	222	* {@link StyledFeaturesInterface}
251	alfonx	221	*
252	alfonx	222	* @see {@link StyledFeaturesInterface}
253	alfonx	221	*/
254			@Override
255			public FeatureSource getFeatureSource() {
256			return getGeoObject();
257			}
258
259	mojays	2	}