/[schmitzm]/branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollection.java
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revision 425 by alfonx, Fri Oct 2 00:47:48 2009 UTC revision 426 by alfonx, Fri Oct 2 17:20:00 2009 UTC
# Line 36  import javax.swing.ImageIcon; Line 36  import javax.swing.ImageIcon;
36    
37  import org.geotools.data.FeatureSource;  import org.geotools.data.FeatureSource;
38  import org.geotools.data.collection.CollectionDataStore;  import org.geotools.data.collection.CollectionDataStore;
39    import org.geotools.data.store.EmptyFeatureCollection;
40  import org.geotools.feature.FeatureCollection;  import org.geotools.feature.FeatureCollection;
41    import org.geotools.feature.collection.SubFeatureCollection;
42  import org.geotools.styling.Style;  import org.geotools.styling.Style;
43  import org.opengis.feature.simple.SimpleFeature;  import org.opengis.feature.simple.SimpleFeature;
44  import org.opengis.feature.simple.SimpleFeatureType;  import org.opengis.feature.simple.SimpleFeatureType;
45  import org.opengis.feature.type.AttributeDescriptor;  import org.opengis.feature.type.AttributeDescriptor;
46    import org.opengis.filter.Filter;
47    
48  import schmitzm.geotools.feature.FeatureUtil;  import schmitzm.geotools.feature.FeatureUtil;
49  import skrueger.AttributeMetaData;  import skrueger.AttributeMetaData;
50  import skrueger.i8n.Translation;  import skrueger.i8n.Translation;
51    
52  /**  /**
53   * This class provides a simple implementation of {@link StyledLayerInterface} for   * This class provides a simple implementation of {@link StyledLayerInterface}
54   * {@link FeatureCollection}. The uncache functionality is not supported,   * for {@link FeatureCollection}. The uncache functionality is not supported,
55   * because this class bases on an existing {@link FeatureCollection} object in   * because this class bases on an existing {@link FeatureCollection} object in
56   * memory.   * memory.
57   *   *
# Line 56  import skrueger.i8n.Translation; Line 59  import skrueger.i8n.Translation;
59   *         (University of Bonn/Germany)   *         (University of Bonn/Germany)
60   * @version 1.0   * @version 1.0
61   */   */
62  public class StyledFeatureCollection extends  public class StyledFeatureCollection
63                  AbstractStyledLayer<FeatureCollection<SimpleFeatureType, SimpleFeature> > implements                  extends
64                  StyledFeatureCollectionInterface {                  AbstractStyledLayer<FeatureCollection<SimpleFeatureType, SimpleFeature>>
65                    implements StyledFeatureCollectionInterface {
66    
67          /** Holds the meta data for displaying a legend. */          /** Holds the meta data for displaying a legend. */
68          protected AttributeMetadataMap attrMetaData = null;          protected AttributeMetadataMap attrMetaData = null;
# Line 69  public class StyledFeatureCollection ext Line 73  public class StyledFeatureCollection ext
73          private FeatureSource<SimpleFeatureType, SimpleFeature> featureSource = null;          private FeatureSource<SimpleFeatureType, SimpleFeature> featureSource = null;
74    
75          /**          /**
76             * A Filter that will be applied internally applied to this
77             * FeatureCollection
78             **/
79            private Filter filter = Filter.INCLUDE;
80    
81            /**
82           * Creates a styled {@link FeatureCollection} with language-specific           * Creates a styled {@link FeatureCollection} with language-specific
83           * informations.           * informations.
84           *           *
# Line 91  public class StyledFeatureCollection ext Line 101  public class StyledFeatureCollection ext
101           * @exception IllegalArgumentException           * @exception IllegalArgumentException
102           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
103           */           */
104          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
105                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
106                          Translation title, Translation desc, Translation keywords,                          Translation title, Translation desc, Translation keywords,
107                          Style style, AttributeMetadataMap attrMetaData,                          Style style, AttributeMetadataMap attrMetaData, ImageIcon icon) {
                         ImageIcon icon) {  
108                  super(fc, fc.getBounds(), fc.getSchema().getGeometryDescriptor()                  super(fc, fc.getBounds(), fc.getSchema().getGeometryDescriptor()
109                                  .getCoordinateReferenceSystem(), id, title, desc, keywords, style, icon);                                  .getCoordinateReferenceSystem(), id, title, desc, keywords,
110                                    style, icon);
111                  setAttributeMetaData(attrMetaData);                  setAttributeMetaData(attrMetaData);
112          }          }
113    
# Line 121  public class StyledFeatureCollection ext Line 132  public class StyledFeatureCollection ext
132           * @exception IllegalArgumentException           * @exception IllegalArgumentException
133           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
134           */           */
135          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
136                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
137                          Translation title, Translation desc, Translation keywords,                          Translation title, Translation desc, Translation keywords,
138                          StyledLayerStyle<AttributeMetadataMap> style,                          StyledLayerStyle<AttributeMetadataMap> style, ImageIcon icon) {
                         ImageIcon icon) {  
139                  super(fc, fc.getBounds(), fc.getSchema().getGeometryDescriptor()                  super(fc, fc.getBounds(), fc.getSchema().getGeometryDescriptor()
140                                  .getCoordinateReferenceSystem(), id, title, desc, keywords,                                  .getCoordinateReferenceSystem(), id, title, desc, keywords,
141                                  style != null ? style.getGeoObjectStyle() : null, icon);                                  style != null ? style.getGeoObjectStyle() : null, icon);
# Line 148  public class StyledFeatureCollection ext Line 159  public class StyledFeatureCollection ext
159           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
160           * @see #createDefaultAttributeMetaDataMap(FeatureCollection)           * @see #createDefaultAttributeMetaDataMap(FeatureCollection)
161           */           */
162          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
163                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
164                          Translation title, Style style) {                          Translation title, Style style) {
165                  this(fc, id, title, null, null, style, null, null);                  this(fc, id, title, null, null, style, null, null);
166          }          }
# Line 176  public class StyledFeatureCollection ext Line 188  public class StyledFeatureCollection ext
188           * @exception IllegalArgumentException           * @exception IllegalArgumentException
189           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
190           */           */
191          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
192                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
193                          String title, String desc, String keywords, Style style,                          String title, String desc, String keywords, Style style,
194                          AttributeMetadataMap attrMetaData, ImageIcon icon) {                          AttributeMetadataMap attrMetaData, ImageIcon icon) {
195                  this(fc, id, (Translation) null, null, null, style, attrMetaData, icon);                  this(fc, id, (Translation) null, null, null, style, attrMetaData, icon);
# Line 206  public class StyledFeatureCollection ext Line 219  public class StyledFeatureCollection ext
219           * @exception IllegalArgumentException           * @exception IllegalArgumentException
220           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
221           */           */
222          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
223                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
224                          String title, String desc, String keywords,                          String title, String desc, String keywords,
225                          StyledLayerStyle<AttributeMetadataMap> style,                          StyledLayerStyle<AttributeMetadataMap> style, ImageIcon icon) {
                         ImageIcon icon) {  
226                  this(fc, id, title, desc, keywords, style != null ? style                  this(fc, id, title, desc, keywords, style != null ? style
227                                  .getGeoObjectStyle() : null, style != null ? style                                  .getGeoObjectStyle() : null, style != null ? style
228                                  .getMetaData() : null, icon);                                  .getMetaData() : null, icon);
# Line 232  public class StyledFeatureCollection ext Line 245  public class StyledFeatureCollection ext
245           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
246           * @see #createDefaultAttributeMetaDataMap(FeatureCollection)           * @see #createDefaultAttributeMetaDataMap(FeatureCollection)
247           */           */
248          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
249                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
250                          String title, Style style) {                          String title, Style style) {
251                  this(fc, id, title, null, null, style, null, null);                  this(fc, id, title, null, null, style, null, null);
252          }          }
# Line 254  public class StyledFeatureCollection ext Line 268  public class StyledFeatureCollection ext
268           *                if {@code null} is given as ID or geo object           *                if {@code null} is given as ID or geo object
269           * @see #createDefaultAttributeMetaDataMap(FeatureCollection)           * @see #createDefaultAttributeMetaDataMap(FeatureCollection)
270           */           */
271          public StyledFeatureCollection(FeatureCollection<SimpleFeatureType,SimpleFeature> fc, String id,          public StyledFeatureCollection(
272                            FeatureCollection<SimpleFeatureType, SimpleFeature> fc, String id,
273                          String title, StyledLayerStyle<AttributeMetadataMap> style) {                          String title, StyledLayerStyle<AttributeMetadataMap> style) {
274                  this(fc, id, title, null, null, style != null ? style                  this(fc, id, title, null, null, style != null ? style
275                                  .getGeoObjectStyle() : null, style != null ? style                                  .getGeoObjectStyle() : null, style != null ? style
# Line 285  public class StyledFeatureCollection ext Line 300  public class StyledFeatureCollection ext
300           * @param attrMetaData           * @param attrMetaData
301           *            map of attribute meta data           *            map of attribute meta data
302           */           */
303          public void setAttributeMetaData(          public void setAttributeMetaData(AttributeMetadataMap attrMetaData) {
                         AttributeMetadataMap attrMetaData) {  
304                  this.attrMetaData = (attrMetaData != null) ? attrMetaData                  this.attrMetaData = (attrMetaData != null) ? attrMetaData
305                                  : createDefaultAttributeMetaDataMap(geoObject);                                  : createDefaultAttributeMetaDataMap(geoObject);
306          }          }
# Line 299  public class StyledFeatureCollection ext Line 313  public class StyledFeatureCollection ext
313           *            a {@link FeatureCollection}           *            a {@link FeatureCollection}
314           */           */
315          public static AttributeMetadataMap createDefaultAttributeMetaDataMap(          public static AttributeMetadataMap createDefaultAttributeMetaDataMap(
316                          FeatureCollection<SimpleFeatureType,SimpleFeature> fc) {                          FeatureCollection<SimpleFeatureType, SimpleFeature> fc) {
317                  AttributeMetadataMap metaDataMap = new AttributeMetadataMap();                  AttributeMetadataMap metaDataMap = new AttributeMetadataMap();
318                  SimpleFeatureType ftype = fc.getSchema();                  SimpleFeatureType ftype = fc.getSchema();
319                  for (int i = 0; i < ftype.getAttributeCount(); i++) {                  for (int i = 0; i < ftype.getAttributeCount(); i++) {
# Line 356  public class StyledFeatureCollection ext Line 370  public class StyledFeatureCollection ext
370          }          }
371    
372          /**          /**
373           * Same as {@link #getGeoObject()} method, but complies to the {@link StyledFeaturesInterface}           * Same as {@link #getGeoObject()} method, but complies to the
374             * {@link StyledFeaturesInterface}. The associated {@link Filter} is NOT
375             * automatically applied.
376             *
377           * @see {@link StyledFeaturesInterface}           * @see {@link StyledFeaturesInterface}
378             * @see #getFeatureCollectionFiltered()
379           */           */
380          @Override          @Override
381          public FeatureCollection<SimpleFeatureType,SimpleFeature> getFeatureCollection() {          public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollection() {
382                  return getGeoObject();                  return getGeoObject();
383          }          }
384    
385          /**          /**
386             * Same as {@link #getGeoObject()} method, but complies to the
387             * {@link StyledFeaturesInterface}. The associated {@link Filter} is
388             * automatically applied by creating a {@link SubFeatureCollection}.
389             *
390             * @see {@link StyledFeaturesInterface}
391             * @see #getFeatureCollectionFiltered()
392             */
393            @Override
394            public FeatureCollection<SimpleFeatureType, SimpleFeature> getFeatureCollectionFiltered() {
395                    final FeatureCollection<SimpleFeatureType, SimpleFeature> fc = getFeatureCollection();
396                    if (filter == Filter.EXCLUDE)
397                            return new EmptyFeatureCollection(fc.getSchema());
398                    if (filter == Filter.INCLUDE)
399                            return fc;
400                    return fc.subCollection(filter);
401            }
402    
403            /**
404           * Returns a virtual {@link FeatureSource} to access the           * Returns a virtual {@link FeatureSource} to access the
405           * {@link FeatureCollection}. Once created, it will be reused until           * {@link FeatureCollection}. Once created, it will be reused until
406           * {@link #uncache()} is called.<br/>           * {@link #uncache()} is called.<br/>
407             *
408           * @see {@link StyledFeaturesInterface}           * @see {@link StyledFeaturesInterface}
409           */           */
410          @Override          @Override
411          public FeatureSource<SimpleFeatureType,SimpleFeature> getFeatureSource() {          public FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource() {
412                  if (featureSource == null) {                  if (featureSource == null) {
413                          CollectionDataStore store = new CollectionDataStore(getGeoObject());                          CollectionDataStore store = new CollectionDataStore(getGeoObject());
414                          try {                          try {
# Line 385  public class StyledFeatureCollection ext Line 422  public class StyledFeatureCollection ext
422                  return featureSource;                  return featureSource;
423          }          }
424    
425            @Override
426            public Filter getFilter() {
427                    return filter;
428            }
429    
430            @Override
431            public void setFilter(Filter filter) {
432                    this.filter = filter;
433            }
434    
435            @Override
436            public SimpleFeatureType getSchema() {
437                    return getGeoObject().getSchema();
438            }
439    
440    
441  }  }
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