gvsig-geoprocess / org.gvsig.sextante / trunk / org.gvsig.sextante.app / org.gvsig.sextante.app.extension / src / main / java / org / gvsig / sextante / app / extension / core / gvVectorLayer.java @ 30
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package org.gvsig.sextante.app.extension.core; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.sql.Types; |
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import java.util.Iterator; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.NewFeatureStoreParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.fromjts.FromJTS; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import com.vividsolutions.jts.geom.Geometry; |
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import es.unex.sextante.core.Sextante; |
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import es.unex.sextante.dataObjects.AbstractVectorLayer; |
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import es.unex.sextante.dataObjects.IFeatureIterator; |
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import es.unex.sextante.dataObjects.IVectorLayer; |
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public class gvVectorLayer extends AbstractVectorLayer { |
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private final int PRECISION = 5; |
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private String m_sFilename = null; |
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private FeatureStore featureStore = null; |
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private int m_iGeometry; |
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private String m_sName = null; |
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private IProjection m_Projection = null; |
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private FeatureType featureType = null; |
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private GeometryManager geometryManager = null; |
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public gvVectorLayer() {
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geometryManager = GeometryLocator.getGeometryManager(); |
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} |
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public void create(String sName, String sFilename, int iShapeType, |
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Class[] types, String[] sFields, Object crs, int[] fieldSize) { |
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try {
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m_sName = sName; |
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m_sFilename = sFilename; |
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m_iGeometry = 0;
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m_Projection = (IProjection) crs; |
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DataManager datamanager = DALLocator.getDataManager(); |
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FilesystemServerExplorerParameters explorerParams = (FilesystemServerExplorerParameters) datamanager.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
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explorerParams.setRoot(new File(sFilename).getParent()); |
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FilesystemServerExplorer explorer = (FilesystemServerExplorer) datamanager.createServerExplorer(explorerParams); |
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NewFeatureStoreParameters newParams = (NewFeatureStoreParameters) explorer.getAddParameters(new File(sFilename)); |
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featureType = newParams.getDefaultFeatureType(); |
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loadFeatureType(sFields, types, iShapeType, crs, featureType, fieldSize); |
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newParams.setDefaultFeatureType(featureType); |
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newParams.setDynValue("srs", m_Projection);
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explorer.add(newParams, true);
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DataManager manager = DALLocator.getDataManager(); |
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featureStore = (FeatureStore) manager.createStore(newParams); |
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featureStore.edit(FeatureStore.MODE_APPEND); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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/**
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* Gets the feature store
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* @return FeatureStore
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*/
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public FeatureStore getFeatureStore() {
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return featureStore;
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} |
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private void loadFeatureType(String[] fields, Class[] types, |
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int shapeType, Object crs, FeatureType featureType, int[] fieldSize) { |
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int[] iTypes = DataTools.getgvSIGTypes(types); |
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for (int i = 0; i < fields.length; i++) { |
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EditableFeatureAttributeDescriptor efad = ((EditableFeatureType)featureType).add(fields[i], iTypes[i]); |
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efad.setSize(fieldSize[i]); |
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efad.setPrecision(PRECISION); |
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} |
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((EditableFeatureType)featureType).add("GEOMETRY", DataTypes.GEOMETRY).setGeometryType(
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getgvSIGShapeType(shapeType)).setGeometrySubType( |
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org.gvsig.fmap.geom.Geometry.SUBTYPES.GEOM2D); |
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} |
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public void create(Object obj) { |
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if (obj instanceof FLyrVect){ |
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m_BaseDataObject = obj; |
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FLyrVect layer = (FLyrVect) m_BaseDataObject; |
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try{
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featureStore = layer.getFeatureStore(); |
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featureType=featureStore.getDefaultFeatureType(); |
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m_Projection = layer.getProjection(); |
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} |
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catch(Exception e){ |
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e.printStackTrace(); |
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} |
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} |
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} |
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public void open() { |
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} |
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public void close() { |
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} |
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/**
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* Returns the length of field
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* @param dataType
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* @return length of field
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*/
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public int getDataTypeLength(int dataType) { |
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switch (dataType) {
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case Types.NUMERIC: |
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case Types.DOUBLE: |
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case Types.REAL: |
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case Types.FLOAT: |
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case Types.BIGINT: |
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case Types.INTEGER: |
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case Types.DECIMAL: |
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return 20; |
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case Types.CHAR: |
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case Types.VARCHAR: |
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case Types.LONGVARCHAR: |
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return 254; |
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case Types.DATE: |
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return 8; |
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case Types.BOOLEAN: |
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case Types.BIT: |
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return 1; |
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} |
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return 0; |
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} |
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public void addFeature(Geometry geom, Object[] values) { |
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try {
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org.gvsig.fmap.geom.Geometry iGeo = null;
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GeometryOperationContext ctx = new GeometryOperationContext();
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ctx.setAttribute(FromJTS.PARAM, geom); |
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try {
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iGeo = (org.gvsig.fmap.geom.Geometry)geometryManager.invokeOperation(FromJTS.NAME, ctx); |
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} catch (GeometryOperationNotSupportedException e) {
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Sextante.addErrorToLog(e); |
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return;
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} catch (GeometryOperationException e) {
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Sextante.addErrorToLog(e); |
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return;
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} |
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m_iGeometry++; |
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EditableFeature ef = featureStore.createNewFeature(); |
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Iterator<FeatureAttributeDescriptor> features = featureType.iterator();
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int i = 0; |
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while (features.hasNext()) {
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FeatureAttributeDescriptor featureAttributeDescriptor = features.next(); |
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if (!featureAttributeDescriptor.getName().equals(featureType.getDefaultGeometryAttributeName())) {
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ef.set(featureAttributeDescriptor.getName().substring(0, Math.min(11, featureAttributeDescriptor.getName().length())), values[i]); |
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i++; |
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} |
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} |
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ef.set(featureType.getDefaultGeometryAttributeIndex(), iGeo); |
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featureStore.insert(ef); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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public IFeatureIterator iterator() {
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if (m_BaseDataObject instanceof FLyrVect) { |
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FLyrVect layer = (FLyrVect) m_BaseDataObject; |
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gvFeatureIterator iter; |
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try {
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iter = new gvFeatureIterator(layer);
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} catch (DataException e) {
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throw new RuntimeException(e); |
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} |
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return iter;
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} else {
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return null; |
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} |
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} |
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public String getFieldName(int i) { |
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if (featureStore != null) { |
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return ((FeatureAttributeDescriptor)featureType.get(i)).getName();
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} |
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return null; |
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} |
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public Class getFieldType(int i) { |
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if (featureStore != null) { |
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return DataTools.getTypeClass(((FeatureAttributeDescriptor)featureType.get(i)).getDataType());
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} |
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return null; |
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} |
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public int getFieldCount() { |
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if (featureStore != null) { |
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return featureType.size();
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} |
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return 0; |
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} |
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public int getShapesCount() { |
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if (featureStore != null) { |
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try {
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return (int)featureStore.getFeatureSet().getSize(); |
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} catch (DataException e) {
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e.printStackTrace(); |
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return 0; |
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} |
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} |
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return 0; |
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} |
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public int getShapeType() { |
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if (featureStore != null) { |
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return getShapeTypeFromGvSIGShapeType(((FeatureAttributeDescriptor)featureType.get(featureType.getDefaultGeometryAttributeIndex())).getGeometryType());
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} |
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return 0; |
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} |
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private int getShapeTypeFromGvSIGShapeType(int shapeType) { |
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switch (shapeType){
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case org.gvsig.fmap.geom.Geometry.TYPES.SURFACE:
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return IVectorLayer.SHAPE_TYPE_POLYGON;
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE:
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case org.gvsig.fmap.geom.Geometry.TYPES.MULTICURVE:
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return IVectorLayer.SHAPE_TYPE_LINE;
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case org.gvsig.fmap.geom.Geometry.TYPES.POINT:
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case org.gvsig.fmap.geom.Geometry.TYPES.MULTIPOINT:
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return IVectorLayer.SHAPE_TYPE_POINT;
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default:
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return IVectorLayer.SHAPE_TYPE_POLYGON;
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} |
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} |
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private int getgvSIGShapeType(int shapeType) { |
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switch (shapeType) {
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case IVectorLayer.SHAPE_TYPE_POLYGON :
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return org.gvsig.fmap.geom.Geometry.TYPES.SURFACE;
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case IVectorLayer.SHAPE_TYPE_LINE:
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return org.gvsig.fmap.geom.Geometry.TYPES.CURVE;
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case IVectorLayer.SHAPE_TYPE_POINT:
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return org.gvsig.fmap.geom.Geometry.TYPES.POINT;
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default:
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return org.gvsig.fmap.geom.Geometry.TYPES.SURFACE;
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} |
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} |
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public String getName() { |
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if (m_BaseDataObject instanceof FLyrVect) { |
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FLyrVect layer = (FLyrVect) m_BaseDataObject; |
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return layer.getName();
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} else {
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return m_sName;
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} |
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} |
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public void postProcess() { |
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if (featureStore == null) { |
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return;
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} |
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try {
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featureStore.finishEditing(); |
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} catch (DataException e) {
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//No puede finalizar la edici?n. Es posible que se haya cerrado previamente.
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} |
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FLyrVect vectorLayer = (FLyrVect) FileTools.openLayer( |
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m_sFilename, m_sName, m_Projection); |
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create(vectorLayer); |
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} |
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public Rectangle2D getFullExtent() { |
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if (m_BaseDataObject instanceof FLyrVect) { |
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FLyrVect layer = (FLyrVect) m_BaseDataObject; |
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Envelope env=null;
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try {
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env = layer.getFullEnvelope(); |
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} catch (ReadException e) {
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e.printStackTrace(); |
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} |
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return new Rectangle2D.Double(env.getMinimum(0), env.getMinimum(1), env.getLength(0), env.getLength(1)); |
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} |
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return null; |
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} |
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public String getFilename() { |
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if (m_BaseDataObject instanceof FLyrVect) { |
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FLyrVect layer = (FLyrVect) m_BaseDataObject; |
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FeatureStore fs=null;
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fs = (layer).getFeatureStore(); |
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DataStoreParameters dsp = fs.getParameters(); |
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if (dsp instanceof FilesystemStoreParameters) { |
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return ((FilesystemStoreParameters)dsp).getFile().getAbsolutePath();
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} else {
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return null; |
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} |
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} else {
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return m_sFilename;
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} |
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} |
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public Object getCRS() { |
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return m_Projection;
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} |
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public void setName(String name) { |
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m_sName = name; |
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} |
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} |