svn-gvsig-desktop / branches / v2_0_0_prep / extensions / extSextanteGvsigBindings / src / es / unex / sextante / gvsig / core / gvVectorLayer.java @ 26350
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package es.unex.sextante.gvsig.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 org.cresques.cts.IProjection; |
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import com.hardcode.gdbms.driver.exceptions.InitializeDriverException; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException; |
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import com.iver.cit.gvsig.exceptions.visitors.StopWriterVisitorException; |
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import com.iver.cit.gvsig.fmap.core.DefaultFeature; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
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import com.iver.cit.gvsig.fmap.drivers.DXFLayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.FieldDescription; |
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import com.iver.cit.gvsig.fmap.drivers.LayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.SHPLayerDefinition; |
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import com.iver.cit.gvsig.fmap.edition.DefaultRowEdited; |
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import com.iver.cit.gvsig.fmap.edition.IRowEdited; |
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import com.iver.cit.gvsig.fmap.edition.IWriter; |
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import com.iver.cit.gvsig.fmap.edition.writers.dxf.DxfFieldsMapping; |
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import com.iver.cit.gvsig.fmap.edition.writers.dxf.DxfWriter; |
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import com.iver.cit.gvsig.fmap.edition.writers.shp.ShpWriter; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.ReadableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.VectorialFileAdapter; |
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import com.vividsolutions.jts.geom.Geometry; |
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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; |
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private IWriter m_Writer;
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private int m_iGeometry; |
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private String m_sName; |
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private IProjection m_Projection;
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private ReadableVectorial m_RV;
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public void create(String sName, String sFilename, int iShapeType, |
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Class[] types, String[] sFields, Object crs) { |
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int iTypes[]; |
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LayerDefinition tableDef; |
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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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try {
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if (sFilename.toLowerCase().endsWith("dxf")){ |
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m_Writer = new DxfWriter();
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((DxfWriter)m_Writer).setFile(new File(sFilename)); |
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((DxfWriter)m_Writer).setProjection((IProjection) crs); |
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tableDef = new DXFLayerDefinition();
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tableDef.setShapeType(getgvSIGShapeType(iShapeType)); |
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DxfFieldsMapping fieldsMapping = new DxfFieldsMapping();
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((DxfWriter)m_Writer).setFieldMapping(fieldsMapping); |
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} |
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else{
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m_Writer = new ShpWriter();
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((ShpWriter)m_Writer).setFile(new File(sFilename)); |
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tableDef = new SHPLayerDefinition();
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tableDef.setShapeType(getgvSIGShapeType(iShapeType)); |
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} |
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iTypes = DataTools.getgvSIGTypes(types); |
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FieldDescription[] fields = new FieldDescription[sFields.length]; |
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for (int i = 0; i < fields.length; i++) { |
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fields[i] = new FieldDescription();
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fields[i].setFieldName(sFields[i]); |
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fields[i].setFieldType(iTypes[i]); |
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fields[i].setFieldLength(getDataTypeLength(iTypes[i])); |
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fields[i].setFieldDecimalCount(PRECISION); |
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} |
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tableDef.setFieldsDesc(fields); |
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tableDef.setName(sFilename); |
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m_Writer.initialize(tableDef); |
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m_Writer.preProcess(); |
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m_RV = null;
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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 void create(Object obj) { |
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if (obj instanceof FLyrVect){ |
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m_BaseDataObject = (FLyrVect) obj; |
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FLyrVect layer = (FLyrVect) m_BaseDataObject; |
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try{
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m_RV = layer.getSource(); |
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m_RV.start(); |
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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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if (m_RV != null) { |
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try {
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m_RV.start(); |
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} catch (InitializeDriverException e) {
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e.printStackTrace(); |
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} catch (ReadDriverException 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 close() { |
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if (m_RV != null){ |
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try {
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m_RV.stop(); |
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} catch (ReadDriverException e) {
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e.printStackTrace(); |
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} |
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}; |
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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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IGeometry iGeo = FConverter.jts_to_igeometry(geom); |
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Value[] gvSIGValues = DataTools.getGVSIGValues(values);
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DefaultFeature feat = new DefaultFeature(iGeo, gvSIGValues, Integer.toString(m_iGeometry)); |
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IRowEdited editFeat = new DefaultRowEdited(feat, IRowEdited.STATUS_MODIFIED, m_iGeometry);
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m_iGeometry++; |
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try {
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m_Writer.process(editFeat); |
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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 = new gvFeatureIterator(layer);
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return iter;
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} |
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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 (m_RV != null){ |
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try {
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return m_RV.getRecordset().getFieldName(i);
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} catch (ReadDriverException e) {
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e.printStackTrace(); |
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return null; |
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} |
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} |
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return null; //TODO |
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} |
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public Class getFieldType(int i) { |
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if (m_RV != null){ |
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try {
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return DataTools.getTypeClass(m_RV.getRecordset().getFieldType(i));
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} catch (ReadDriverException e) {
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e.printStackTrace(); |
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return null; |
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} |
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} |
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return null; //TODO |
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} |
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public int getFieldCount() { |
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if (m_RV != null){ |
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try {
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return m_RV.getRecordset().getFieldCount();
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} catch (ReadDriverException 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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else if(m_Writer != null) { |
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try {
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return m_Writer.getTableDefinition().getFieldsDesc().length;
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} catch (ReadDriverException e) {
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e.printStackTrace(); |
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} |
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} |
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return 0; //TODO |
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} |
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public int getShapesCount() { |
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if (m_RV != null){ |
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try {
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return m_RV.getShapeCount();
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} catch (ReadDriverException 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; //TODO |
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} |
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public int getShapeType() { |
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if (m_RV != null){ |
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try {
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return getShapeTypeFromGvSIGShapeType(m_RV.getShapeType());
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} catch (ReadDriverException 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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private int getShapeTypeFromGvSIGShapeType(int shapeType) { |
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switch (shapeType){
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case FShape.POLYGON:
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return IVectorLayer.SHAPE_TYPE_POLYGON;
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case FShape.LINE:
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return IVectorLayer.SHAPE_TYPE_LINE;
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case FShape.POINT:
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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 FShape.POLYGON;
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case IVectorLayer.SHAPE_TYPE_LINE:
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return FShape.LINE;
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case IVectorLayer.SHAPE_TYPE_POINT:
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return FShape.POINT;
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default:
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return FShape.POLYGON;
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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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} |
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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 (m_Writer == null){ |
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return;
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} |
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try {
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m_Writer.postProcess(); |
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} catch (StopWriterVisitorException e) {
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e.printStackTrace(); |
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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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try {
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return layer.getFullExtent();
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} catch (ExpansionFileReadException e) {
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e.printStackTrace(); |
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} catch (ReadDriverException e) {
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e.printStackTrace(); |
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} |
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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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ReadableVectorial rv=((FLyrVect)layer).getSource();; |
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if (rv instanceof VectorialFileAdapter) { |
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return ((VectorialFileAdapter)rv).getFile().getAbsolutePath();
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} |
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else{
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return null; |
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} |
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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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} |