svn-gvsig-desktop / tags / v1_0_2_Build_894 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / VectorialDBAdapter.java @ 10309
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.layers; |
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import java.awt.geom.Rectangle2D; |
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import java.io.IOException; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import com.hardcode.driverManager.DriverLoadException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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import com.hardcode.gdbms.engine.data.NoSuchTableException; |
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import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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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.IFeature; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver; |
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/**
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* Adapta un driver de base de datos vectorial a la interfaz vectorial,
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* manteniendo adem?s el estado necesario por una capa vectorial de base de
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* datos (par?metros de la conexi?n)
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*/
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public class VectorialDBAdapter extends VectorialAdapter implements ISpatialDB { |
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private int numReg=-1; |
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private SelectableDataSource ds = null; |
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/**
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* incrementa el contador de las veces que se ha abierto el fichero.
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* Solamente cuando el contador est? a cero pide al driver que conecte con
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* la base de datos
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*/
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public void start() { |
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try {
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((VectorialDatabaseDriver)driver).open(); |
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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/**
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* decrementa el contador de n?mero de aperturas y cuando llega a cero pide
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* al driver que cierre la conexion con el servidor de base de datos
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*/
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public void stop() { |
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((VectorialDatabaseDriver)driver).close(); |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getFeatureIterator(java.awt.geom.Rectangle2D, java.lang.String)
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*/
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/* public Connection getConnection()
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{
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return ((VectorialDatabaseDriver)driver).getConnection();
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}*/
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/* public IFeatureIterator getFeatureIterator(String sql) throws DriverException
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{
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return ((VectorialDatabaseDriver)driver).getFeatureIterator(sql);
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}*/
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public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG) throws DriverException |
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{
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return ((VectorialDatabaseDriver)driver).getFeatureIterator(r, strEPSG);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getFeatureIterator(java.awt.geom.Rectangle2D, java.lang.String, java.lang.String[])
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*/
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public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, String[] alphaNumericFieldsNeeded) throws DriverException |
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{
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return ((VectorialDatabaseDriver)driver).getFeatureIterator(r, strEPSG, alphaNumericFieldsNeeded);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getFields()
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*/
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public String[] getFields() |
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{
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return ((VectorialDatabaseDriver)driver).getFields();
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getWhereClause()
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*/
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public String getWhereClause() |
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{
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return ((VectorialDatabaseDriver)driver).getWhereClause();
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getTableName()
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*/
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public String getTableName() |
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{
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return ((VectorialDatabaseDriver)driver).getTableName();
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getShape(int)
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*/
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public IGeometry getShape(int index) throws DriverIOException { |
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IGeometry geom = null;
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try {
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geom = ((VectorialDatabaseDriver)driver).getShape(index); |
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} catch (IOException e) { |
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throw new DriverIOException(e); |
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} |
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return geom;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getShapeType()
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*/
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public int getShapeType() throws DriverIOException { |
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return ((VectorialDatabaseDriver)driver).getShapeType();
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.VectorialAdapter#getRecordset()
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*/
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public SelectableDataSource getRecordset() throws DriverLoadException { |
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if (driver instanceof ObjectDriver) |
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{
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if (ds == null) |
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{
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String name = LayerFactory.getDataSourceFactory().addDataSource((ObjectDriver)driver);
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try {
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ds = new SelectableDataSource(LayerFactory.getDataSourceFactory().createRandomDataSource(name, DataSourceFactory.MANUAL_OPENING));
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} catch (NoSuchTableException e) {
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throw new RuntimeException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new RuntimeException(e); |
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} |
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} |
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} |
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return ds;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.VectorialAdapter#getFeature(int)
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*/
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public IFeature getFeature(int numReg) throws DriverException { |
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IGeometry geom; |
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IFeature feat = null;
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try {
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geom = getShape(numReg); |
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DataSource rs = getRecordset();
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int idFieldID = getLyrDef().getIdFieldID();
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Value[] regAtt = new Value[rs.getFieldCount()]; |
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String theID = null; |
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for (int fieldId=0; fieldId < rs.getFieldCount(); fieldId++ ) |
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{
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regAtt[fieldId] = rs.getFieldValue(numReg, fieldId); |
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if (fieldId == idFieldID)
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theID = regAtt[fieldId].toString(); |
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} |
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feat = new DefaultFeature(geom, regAtt, theID);
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} catch (DriverLoadException e) {
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throw new DriverException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new DriverException(e); |
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} |
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return feat;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.layers.ISpatialDB#getLyrDef()
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*/
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public DBLayerDefinition getLyrDef()
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{
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return ((VectorialDatabaseDriver)driver).getLyrDef();
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} |
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public int getRowIndexByFID(IFeature feat) { |
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return ((VectorialDatabaseDriver) driver).getRowIndexByFID(feat);
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} |
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} |