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* |
* |
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* Contributors: |
* Contributors: |
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* Martin O. J. Schmitz - initial API and implementation |
* Martin O. J. Schmitz - initial API and implementation |
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* Stefan A. Krüger - additional utility classes |
* Stefan A. Tzeggai - additional utility classes |
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******************************************************************************/ |
******************************************************************************/ |
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package skrueger.geotools; |
package skrueger.geotools; |
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import org.apache.log4j.Logger; |
import org.apache.log4j.Logger; |
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import org.geotools.data.FeatureSource; |
import org.geotools.data.FeatureSource; |
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import org.geotools.feature.FeatureCollection; |
import org.geotools.feature.FeatureCollection; |
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import org.geotools.feature.NameImpl; |
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import org.geotools.styling.Style; |
import org.geotools.styling.Style; |
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import org.opengis.feature.simple.SimpleFeature; |
import org.opengis.feature.simple.SimpleFeature; |
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import org.opengis.feature.simple.SimpleFeatureType; |
import org.opengis.feature.simple.SimpleFeatureType; |
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* |
* |
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* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a> |
* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a> |
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* |
* |
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* TODO Rename to StyledShapefile |
* TODO Rename to StyledShapefile |
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*/ |
*/ |
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public class StyledFS implements StyledFeatureSourceInterface { |
public class StyledFS implements StyledFeatureSourceInterface { |
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private static final Logger LOGGER = Logger.getLogger(StyledFS.class); |
private static final Logger LOGGER = Logger.getLogger(StyledFS.class); |
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private final FeatureSource<SimpleFeatureType, SimpleFeature> fs; |
private final FeatureSource<SimpleFeatureType, SimpleFeature> fs; |
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/** Caching the CRS of the layer **/ |
/** Caching the CRS of the layer **/ |
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CoordinateReferenceSystem crs = null; |
CoordinateReferenceSystem crs = null; |
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private File sldFile; |
private File sldFile; |
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private AttributeMetadataMap map; |
/** A map of simple attribute names to their meta-data **/ |
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private AttributeMetadataMap<AttributeMetadataImpl> map; |
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private Filter filter = Filter.INCLUDE; |
private Filter filter = Filter.INCLUDE; |
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public CoordinateReferenceSystem getCrs() { |
public CoordinateReferenceSystem getCrs() { |
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if (crs == null) { |
if (crs == null) { |
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crs = fs.getSchema() |
crs = fs.getSchema().getCoordinateReferenceSystem(); |
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.getCoordinateReferenceSystem(); |
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if (fs.getSchema().getCoordinateReferenceSystem() == null) { |
if (fs.getSchema().getCoordinateReferenceSystem() == null) { |
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LOGGER.warn("Could not determine the CRS of " + getTitle() |
LOGGER.warn("Could not determine the CRS of " + getTitle() |
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+ ". Using default " + GeoImportUtil.getDefaultCRS()); |
+ ". Using default " + GeoImportUtil.getDefaultCRS()); |
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/** |
/** |
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* |
* |
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*/ |
*/ |
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public AttributeMetadataMap getAttributeMetaDataMap() { |
public AttributeMetadataMap<AttributeMetadataImpl> getAttributeMetaDataMap() { |
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if (map == null) { |
if (map == null) { |
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map = new AttributeMetadataImplMap(); |
map = new AttributeMetadataImplMap(); |
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// // Leaving out the first one, it will be the_geom |
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// for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) { |
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// AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i); |
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// |
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// AttributeMetadataImpl attMetaData = new AttributeMetadataImpl( |
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// new NameImpl(attDesc |
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// .getName().getNamespaceURI(), attDesc |
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// .getName().getLocalPart()), map.getLanguages()); |
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// map.put(attDesc.getName(), attMetaData); |
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// } |
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// Leaving out the first one, it will be the_geom |
// Leaving out the first one, it will be the_geom |
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for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) { |
for (int i = 1; i < fs.getSchema().getAttributeCount(); i++) { |
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AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i); |
AttributeDescriptor attDesc = fs.getSchema().getDescriptor(i); |
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AttributeMetadataImpl attMetaData = new AttributeMetadataImpl(attDesc |
// TODO AttributeMetadataAS would be nicer, which would not work |
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.getName(), map.getLanguages()); |
// with Translations ;-) |
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AttributeMetadataImpl attMetaData = new AttributeMetadataImpl( |
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new NameImpl(attDesc.getName().getNamespaceURI(), |
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attDesc.getName().getLocalPart()), map |
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.getLanguages()); |
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if (String.class.isAssignableFrom(attDesc.getType() |
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.getBinding())) { |
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// For Strings we add the "" as NODATA values |
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attMetaData.addNodataValue(""); |
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} |
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map.put(attDesc.getName(), attMetaData); |
map.put(attDesc.getName(), attMetaData); |
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} |
} |
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} |
} |
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public File getSldFile() { |
public File getSldFile() { |
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return sldFile; |
return sldFile; |
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} |
} |
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public void setSldFile(File sldFile) { |
public void setSldFile(File sldFile) { |
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this.sldFile = sldFile; |
this.sldFile = sldFile; |
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} |
} |
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return getGeoObject().getSchema(); |
return getGeoObject().getSchema(); |
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} |
} |
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/** |
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* Tries to load a style from the file denoted in {@link #getSldFile()}. If |
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* the file doesn't exits, return <code>null</code>; |
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* @return <code>true</code> is style was loaded |
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*/ |
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public boolean loadStyle() { |
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if (getSldFile() == null) |
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return false; |
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try { |
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Style[] loadSLD = StylingUtil.loadSLD(getSldFile()); |
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setStyle(loadSLD[0]); |
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return true; |
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} catch (Exception e) { |
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return false; |
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} |
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} |
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} |
} |