skrueger/geotools/StyledLayerInterface.java

package skrueger.geotools;

import java.net.URL;

import javax.swing.ImageIcon;

import org.geotools.feature.FeatureCollection;
import org.geotools.styling.Style;
import org.opengis.referencing.crs.CoordinateReferenceSystem;

import skrueger.AttributeMetaData;
import skrueger.RasterLegendData;
import skrueger.i8n.Translation;

import com.vividsolutions.jts.geom.Envelope;

/**
 * This class is the top interface for styled objects to be managed in
 * {@link MapContextManagerInterface}. The (rough) classe structure is the
 * following:
 * <ul>
 * <li><b>{@link StyledLayerInterface StyledLayerInterface<E>}</b>
 * <ul>
 * <li>{@link #getId()} -> String</li>
 * <li>{@link #getKeywords() get/setKeywords()} -> {@link Translation}</li>
 * <li>{@link #getTitle() set/getTitle()} -> {@link Translation} (short
 * description for layer list)</li>
 * <li>{@link #getDesc() set/getDesc()} -> {@link Translation} (long description
 * for details)</li>
 * <li>{@link #getCrs()} -> {@link CoordinateReferenceSystem}</li>
 * <li>{@link #getCRSString()} -> String (readable description of CRS)</li>
 * <li>{@link #getEnvelope()} -> {@link Envelope} (JTS-Envelope)</li>
 * <li>{@link #getGeoObject()} -> E (GridCoverage/FeatureCollection/...)</li>
 * <li>{@link #getStyle() set/getStyle()} -> {@link Style}</li>
 * <li>{@link #uncache()}</li>
 * <li>{@link #dispose()}</li>
 * </ul>
 * </li>
 * <li><b>{@link StyledFeatureCollectionInterface} extends
 * {@link StyledLayerInterface StyledLayerInterface<FeatureCollection>}</b>
 * <ul>
 * <li>{@link StyledFeatureCollectionInterface#getAttributeMetaDataMap()} ->
 * Map<Integer,AttributeMetaData></li>
 * </ul>
 * </li>
 * <li><b>{@link StyledRasterInterface} extends {@link StyledLayerInterface
 * StyledLayerInterface<GridCoverage2D>}</b>
 * <ul>
 * <li>{@link StyledRasterInterface#getLegendMetaData()} ->
 * {@link RasterLegendData}</li>
 * </ul>
 * </li>
 * </ul>
 * <br>
 * <b>Restrictions:</b>
 * <ul>
 * <li>layer list only depends on {@link StyledLayerInterface}</li>
 * <li>methods returning {@link Translation} must not return {@code null}</li>
 * <li>methods returning {@link AttributeMetaData}-Map must not return {@code
 * null}</li>
 * <li>static helper method to get a new {@link AttributeMetaData}-map withe the
 * visible attributes only</li>
 * <li>static helper method to create a "default" {@link AttributeMetaData}-map
 * for a {@link FeatureCollection} with all attributes visible and without real
 * translations, but the attribute name as description.</li>
 * </ul>
 */
public interface StyledLayerInterface<E> {
        public String getId();

        public Translation getTitle();

        public void setTitle(Translation title);

        public Translation getDesc();

        public void setDesc(Translation dec);

        public Translation getKeywords();

        public void setKeywords(Translation keywords);

        public CoordinateReferenceSystem getCrs();

        public String getCRSString();

        public Envelope getEnvelope();

        /**
         * @return return an ImageIcon - <code>null</code> is valid and no icon or a
         *         default icon will then be shown
         */
        public ImageIcon getImageIcon();

        public void setImageIcon(ImageIcon icon);

        /**
         * Returns the underlying GeoTools Object
         * 
         * @throws RuntimeException
         */
        public E getGeoObject();

        public Style getStyle();

        public void setStyle(Style style);

        /**
         * Returns the {@link URL} to a (HTML) file that provides more information
         * about this layer. If no HTML if associated with this
         * {@link StyledLayerInterface}, then <code>null</code> will be returned.
         * 
         * @return null or an {@link URL}
         */
        public URL getInfoURL();

        /**
         * Should be called when this Object is not needed anymore.
         */
        public void dispose();

        /** Is the object already disposed? * */
        public boolean isDisposed();

        /**
         * Clears any caches. For example the GeoObject could be released, and
         * reread on next call of getGeoObject()
         */
        public void uncache();


}
1	package skrueger.geotools;
2
3	import java.net.URL;
4
5	import javax.swing.ImageIcon;
6
7	import org.geotools.feature.FeatureCollection;
8	import org.geotools.styling.Style;
9	import org.opengis.referencing.crs.CoordinateReferenceSystem;
10
11	import skrueger.AttributeMetaData;
12	import skrueger.RasterLegendData;
13	import skrueger.i8n.Translation;
14
15	import com.vividsolutions.jts.geom.Envelope;
16
17	/**
18	* This class is the top interface for styled objects to be managed in
19	* {@link MapContextManagerInterface}. The (rough) classe structure is the
20	* following:
21	* <ul>
22	* <li><b>{@link StyledLayerInterface StyledLayerInterface<E>}</b>
23	* <ul>
24	* <li>{@link #getId()} -> String</li>
25	* <li>{@link #getKeywords() get/setKeywords()} -> {@link Translation}</li>
26	* <li>{@link #getTitle() set/getTitle()} -> {@link Translation} (short
27	* description for layer list)</li>
28	* <li>{@link #getDesc() set/getDesc()} -> {@link Translation} (long description
29	* for details)</li>
30	* <li>{@link #getCrs()} -> {@link CoordinateReferenceSystem}</li>
31	* <li>{@link #getCRSString()} -> String (readable description of CRS)</li>
32	* <li>{@link #getEnvelope()} -> {@link Envelope} (JTS-Envelope)</li>
33	* <li>{@link #getGeoObject()} -> E (GridCoverage/FeatureCollection/...)</li>
34	* <li>{@link #getStyle() set/getStyle()} -> {@link Style}</li>
35	* <li>{@link #uncache()}</li>
36	* <li>{@link #dispose()}</li>
37	* </ul>
38	* </li>
39	* <li><b>{@link StyledFeatureCollectionInterface} extends
40	* {@link StyledLayerInterface StyledLayerInterface<FeatureCollection>}</b>
41	* <ul>
42	* <li>{@link StyledFeatureCollectionInterface#getAttributeMetaDataMap()} ->
43	* Map<Integer,AttributeMetaData></li>
44	* </ul>
45	* </li>
46	* <li><b>{@link StyledRasterInterface} extends {@link StyledLayerInterface
47	* StyledLayerInterface<GridCoverage2D>}</b>
48	* <ul>
49	* <li>{@link StyledRasterInterface#getLegendMetaData()} ->
50	* {@link RasterLegendData}</li>
51	* </ul>
52	* </li>
53	* </ul>
54	* <br>
55	* <b>Restrictions:</b>
56	* <ul>
57	* <li>layer list only depends on {@link StyledLayerInterface}</li>
58	* <li>methods returning {@link Translation} must not return {@code null}</li>
59	* <li>methods returning {@link AttributeMetaData}-Map must not return {@code
60	* null}</li>
61	* <li>static helper method to get a new {@link AttributeMetaData}-map withe the
62	* visible attributes only</li>
63	* <li>static helper method to create a "default" {@link AttributeMetaData}-map
64	* for a {@link FeatureCollection} with all attributes visible and without real
65	* translations, but the attribute name as description.</li>
66	* </ul>
67	*/
68	public interface StyledLayerInterface<E> {
69	public String getId();
70
71	public Translation getTitle();
72
73	public void setTitle(Translation title);
74
75	public Translation getDesc();
76
77	public void setDesc(Translation dec);
78
79	public Translation getKeywords();
80
81	public void setKeywords(Translation keywords);
82
83	public CoordinateReferenceSystem getCrs();
84
85	public String getCRSString();
86
87	public Envelope getEnvelope();
88
89	/**
90	* @return return an ImageIcon - <code>null</code> is valid and no icon or a
91	* default icon will then be shown
92	*/
93	public ImageIcon getImageIcon();
94
95	public void setImageIcon(ImageIcon icon);
96
97	/**
98	* Returns the underlying GeoTools Object
99	*
100	* @throws RuntimeException
101	*/
102	public E getGeoObject();
103
104	public Style getStyle();
105
106	public void setStyle(Style style);
107
108	/**
109	* Returns the {@link URL} to a (HTML) file that provides more information
110	* about this layer. If no HTML if associated with this
111	* {@link StyledLayerInterface}, then <code>null</code> will be returned.
112	*
113	* @return null or an {@link URL}
114	*/
115	public URL getInfoURL();
116
117	/**
118	* Should be called when this Object is not needed anymore.
119	*/
120	public void dispose();
121
122	/** Is the object already disposed? * */
123	public boolean isDisposed();
124
125	/**
126	* Clears any caches. For example the GeoObject could be released, and
127	* reread on next call of getGeoObject()
128	*/
129	public void uncache();
130
131
132	}