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}. 
         * 
         * @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	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	import org.geotools.feature.FeatureCollection;
19	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	} catch (Exception e) {
81	LOGGER.warn("Reading SLD failed: " + sldFile, e);
82	}
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	public FeatureSource getGeoObject() {
126	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	/**
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	* // public boolean isHideInLegend() { // return false; // }
170	*/
171
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	/**
196	*
197	*/
198	public Map<Integer, AttributeMetaData> getAttributeMetaDataMap() {
199	if (map == null) {
200
201	map = new HashMap<Integer, AttributeMetaData>();
202
203	// 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
207	AttributeMetaData attMetaData = new AttributeMetaData(i, att
208	.getLocalName());
209	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	* <code>null</code> if there didn't exist a {@link File}.
218	*
219	* @author <a href="mailto:[email protected]">Stefan Alfons
220	* Krüger</a>
221	*/
222	public File getSldFile() {
223	return sldFile;
224	}
225
226	public void setSldFile(File sldFile) {
227	this.sldFile = sldFile;
228	}
229
230	/**
231	* Returns the features of the {@link FeatureSource}.
232	*
233	* @see {@link StyledFeaturesInterface}
234	*/
235	@Override
236	public FeatureCollection getFeatureCollection() {
237	FeatureCollection features;
238	try {
239	features = getGeoObject().getFeatures();
240	} catch (IOException e) {
241	throw new RuntimeException(
242	"Error getting the features of the FeatureSource");
243	}
244	return features;
245	}
246
247	/**
248	* Same as {@link #getGeoObject()} method, but complies to the
249	* {@link StyledFeaturesInterface}
250	*
251	* @see {@link StyledFeaturesInterface}
252	*/
253	@Override
254	public FeatureSource getFeatureSource() {
255	return getGeoObject();
256	}
257
258	}