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