svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / layers / LayerFactory.java @ 21659
History | View | Annotate | Download (3.36 KB)
| 1 |
package org.gvsig.fmap.mapcontext.layers; |
|---|---|
| 2 |
|
| 3 |
import org.apache.log4j.Logger; |
| 4 |
import org.cresques.cts.IProjection; |
| 5 |
import org.gvsig.data.DataManager; |
| 6 |
import org.gvsig.data.DataStore; |
| 7 |
import org.gvsig.data.DataStoreParameters; |
| 8 |
import org.gvsig.data.InitializeException; |
| 9 |
import org.gvsig.data.ReadException; |
| 10 |
import org.gvsig.data.operation.DataStoreOperationException; |
| 11 |
import org.gvsig.data.operation.DataStoreOperationNotSupportedException; |
| 12 |
import org.gvsig.data.vectorial.FeatureStore; |
| 13 |
import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
| 14 |
import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
| 15 |
import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
| 16 |
import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
| 17 |
import org.gvsig.fmap.mapcontext.rendering.legend.LegendFactory; |
| 18 |
import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelingStrategy; |
| 19 |
|
| 20 |
|
| 21 |
/**
|
| 22 |
* Crea un adaptador del driver que se le pasa como par?metro en los m?todos
|
| 23 |
* createLayer. Si hay memoria suficiente se crea un FLyrMemory que pasa todas
|
| 24 |
* las features del driver a memoria
|
| 25 |
*/
|
| 26 |
public class LayerFactory { |
| 27 |
private static Logger logger = Logger.getLogger(LayerFactory.class |
| 28 |
.getName()); |
| 29 |
|
| 30 |
/*
|
| 31 |
* Crea un RandomVectorialFile con el driver que se le pasa como par?metro y
|
| 32 |
* guard?ndose el nombre del fichero para realizar los accesos, la capa
|
| 33 |
* tendr? asociada la proyecci?n que se pasa como parametro tambi?n
|
| 34 |
*
|
| 35 |
* @param layerName Nombre de la capa. @param driverName Nombre del driver.
|
| 36 |
* @param f fichero. @param proj Proyecci?n.
|
| 37 |
*
|
| 38 |
* @return FLayer. @throws DriverException
|
| 39 |
*
|
| 40 |
* @throws DriverException @throws DriverIOException
|
| 41 |
*/
|
| 42 |
public static FLayer createLayer(String layerName, DataStoreParameters storeParameters, |
| 43 |
IProjection proj) throws LoadLayerException {
|
| 44 |
// Se obtiene el driver que lee
|
| 45 |
try{
|
| 46 |
DataManager dataManager=DataManager.getManager(); |
| 47 |
DataStore dataStore=dataManager.createDataStore(storeParameters); |
| 48 |
if (dataStore instanceof FeatureStore){ |
| 49 |
FLyrVect layer=new FLyrVect();
|
| 50 |
layer.setDataStore(dataStore); |
| 51 |
layer.setProjection(proj); |
| 52 |
layer.setName(layerName); |
| 53 |
ILegend legend = null;
|
| 54 |
try{
|
| 55 |
legend = (ILegend) dataStore.invokeOperation("defaultLegend", null); |
| 56 |
} catch (DataStoreOperationNotSupportedException e) {
|
| 57 |
// Not suported
|
| 58 |
} catch (DataStoreOperationException e) {
|
| 59 |
throw new LoadLayerException(layerName,e); |
| 60 |
} |
| 61 |
|
| 62 |
if (legend !=null) { |
| 63 |
layer.setLegend((IVectorLegend) legend); |
| 64 |
|
| 65 |
ILabelingStrategy labeler=null;
|
| 66 |
try{
|
| 67 |
labeler=(ILabelingStrategy) dataStore.invokeOperation("defaultLabelingStrategy", null); |
| 68 |
} catch (DataStoreOperationNotSupportedException e) {
|
| 69 |
// Not suported
|
| 70 |
} catch (DataStoreOperationException e) {
|
| 71 |
throw new LoadLayerException(layerName,e); |
| 72 |
} |
| 73 |
|
| 74 |
|
| 75 |
if (labeler != null) { |
| 76 |
labeler.setLayer(layer); |
| 77 |
layer.setLabelingStrategy(labeler); |
| 78 |
layer.setIsLabeled(true); // TODO: ac? no s'hauria de detectar si t? etiquetes????? |
| 79 |
} |
| 80 |
} else {
|
| 81 |
layer.setLegend(LegendFactory.createSingleSymbolLegend(layer |
| 82 |
.getShapeType())); |
| 83 |
} |
| 84 |
|
| 85 |
|
| 86 |
}else{
|
| 87 |
//Raster
|
| 88 |
} |
| 89 |
} catch (InitializeException e1) {
|
| 90 |
throw new LoadLayerException(layerName,e1); |
| 91 |
} catch (ReadException e) {
|
| 92 |
throw new LoadLayerException(layerName,e); |
| 93 |
} |
| 94 |
return null; |
| 95 |
} |
| 96 |
|
| 97 |
|
| 98 |
} |