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 StyledFeatureInterface}
         */
        @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 StyledFeatureInterface}
         * 
         * @see {@link StyledFeatureInterface}
         */
        @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.feature.FeatureOperationTreeFilter;
23	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	} catch (Exception e) {
82	LOGGER.warn("Reading SLD failed: " + sldFile, e);
83	}
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	public FeatureSource getGeoObject() {
127	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	/**
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	* // public boolean isHideInLegend() { // return false; // }
171	*/
172
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	/**
197	*
198	*/
199	public Map<Integer, AttributeMetaData> getAttributeMetaDataMap() {
200	if (map == null) {
201
202	map = new HashMap<Integer, AttributeMetaData>();
203
204	// 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
208	AttributeMetaData attMetaData = new AttributeMetaData(i, att
209	.getLocalName());
210	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	* <code>null</code> if there didn't exist a {@link File}. (It could
219	* be a WFS or a PostGIS
220	*
221	* @author <a href="mailto:[email protected]">Stefan Alfons
222	* Krüger</a>
223	*/
224	public File getSldFile() {
225	return sldFile;
226	}
227
228	public void setSldFile(File sldFile) {
229	this.sldFile = sldFile;
230	}
231
232	/**
233	* Returns the features of the {@link FeatureSource}.
234	*
235	* @see {@link StyledFeatureInterface}
236	*/
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	* {@link StyledFeatureInterface}
252	*
253	* @see {@link StyledFeatureInterface}
254	*/
255	@Override
256	public FeatureSource getFeatureSource() {
257	return getGeoObject();
258	}
259
260	}