root / trunk / extensions / extJDBC / src / com / iver / cit / gvsig / fmap / drivers / jdbc / postgis / PostGisDriver.java @ 13881
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/*
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* Created on 04-mar-2005
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*
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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.drivers.jdbc.postgis; |
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import java.awt.geom.Rectangle2D; |
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import java.math.BigDecimal; |
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import java.nio.ByteBuffer; |
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import java.sql.Date; |
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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 java.sql.Timestamp; |
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import java.sql.Types; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import org.apache.log4j.Logger; |
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import org.postgis.PGbox2d; |
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import org.postgis.PGbox3d; |
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import com.hardcode.gdbms.driver.exceptions.InitializeWriterException; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.edition.DataWare; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.ICanReproject; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC; |
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import com.iver.cit.gvsig.fmap.drivers.DBException; |
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import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition; |
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import com.iver.cit.gvsig.fmap.drivers.DefaultJDBCDriver; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.IConnection; |
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import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
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import com.iver.cit.gvsig.fmap.drivers.WKBParser2; |
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import com.iver.cit.gvsig.fmap.drivers.XTypes; |
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import com.iver.cit.gvsig.fmap.edition.IWriteable; |
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import com.iver.cit.gvsig.fmap.edition.IWriter; |
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/**
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* @author FJP
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*
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* TODO To change the template for this generated type comment go to Window -
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* Preferences - Java - Code Generation - Code and Comments
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*/
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public class PostGisDriver extends DefaultJDBCDriver implements ICanReproject, IWriteable { |
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private static Logger logger = Logger.getLogger(PostGisDriver.class |
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.getName()); |
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private static int FETCH_SIZE = 5000; |
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// To avoid problems when using wkb_cursor with same layer.
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// I mean, when you add twice or more the same layer using
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// the same connection
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private static int CURSOR_ID = 0; |
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private int myCursorId; |
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private PostGISWriter writer = new PostGISWriter(); |
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private WKBParser2 parser = new WKBParser2(); |
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private int fetch_min = -1; |
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private int fetch_max = -1; |
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private String sqlOrig; |
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/**
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* Used by setAbsolutePosition
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*/
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private String sqlTotal; |
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private String strEPSG = null; |
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private String originalEPSG = null; |
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private Rectangle2D fullExtent = null; |
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private String strAux; |
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private String completeWhere; |
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private String provCursorName = null; |
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int numProvCursors = 0; |
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boolean bShapeTypeRevised = false; |
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private int actual_position; |
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static {
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try {
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Class.forName("org.postgresql.Driver"); |
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} catch (ClassNotFoundException 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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*
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*/
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public PostGisDriver() {
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// To avoid problems when using wkb_cursor with same layer.
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// I mean, when you add twice or more the same layer using
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// the same connection
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CURSOR_ID++; |
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myCursorId = CURSOR_ID; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getDriverAttributes()
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*/
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public DriverAttributes getDriverAttributes() {
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return null; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.hardcode.driverManager.Driver#getName()
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*/
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public String getName() { |
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return "PostGIS JDBC Driver"; |
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} |
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/**
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* @throws ReadDriverException
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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 ReadDriverException { |
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IGeometry geom = null;
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boolean resul;
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try {
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setAbsolutePosition(index); |
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// strAux = rs.getString(1);
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// geom = parser.read(strAux);
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if (rs != null) { |
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byte[] data = rs.getBytes(1); |
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if (data == null) // null geometry. |
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return null; |
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geom = parser.parse(data); |
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} |
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} catch (SQLException e) { |
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throw new ReadDriverException(this.getName(),e); |
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} |
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return geom;
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} |
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/**
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* First, the geometry field. After, the rest of fields
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*
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* @return
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*/
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/*
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* public String getTotalFields() { String strAux = "AsBinary(" +
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* getLyrDef().getFieldGeometry() + ")"; String[] fieldNames =
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* getLyrDef().getFieldNames(); for (int i=0; i< fieldNames.length; i++) {
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* strAux = strAux + ", " + fieldNames[i]; } return strAux; }
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*/
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/**
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* Antes de llamar a esta funci?n hay que haber fijado el workingArea si se
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* quiere usar.
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*
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* @param conn
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* @throws DBException
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*/
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public void setData(IConnection conn, DBLayerDefinition lyrDef) throws DBException { |
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this.conn = conn;
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// TODO: Deber?amos poder quitar Conneciton de la llamada y meterlo
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// en lyrDef desde el principio.
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lyrDef.setConnection(conn); |
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setLyrDef(lyrDef); |
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getTableEPSG_and_shapeType(conn, lyrDef); |
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getLyrDef().setSRID_EPSG(originalEPSG); |
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try {
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((ConnectionJDBC)conn).getConnection().setAutoCommit(false);
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sqlOrig = "SELECT " + getTotalFields() + " FROM " |
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+ getLyrDef().getComposedTableName() + " ";
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// + getLyrDef().getWhereClause();
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if (canReproject(strEPSG)) {
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completeWhere = getCompoundWhere(sqlOrig, workingArea, strEPSG); |
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} else {
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completeWhere = getCompoundWhere(sqlOrig, workingArea, |
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originalEPSG); |
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} |
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// completeWhere = getLyrDef().getWhereClause() + completeWhere;
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String sqlAux = sqlOrig + completeWhere + " ORDER BY " |
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+ getLyrDef().getFieldID(); |
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sqlTotal = sqlAux; |
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logger.info("Cadena SQL:" + sqlAux);
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st = ((ConnectionJDBC)conn).getConnection().createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
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ResultSet.CONCUR_READ_ONLY);
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// st.setFetchSize(FETCH_SIZE);
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myCursorId++; |
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st.execute("declare " + getTableName() + myCursorId + "_wkb_cursor binary scroll cursor with hold for " + sqlAux); |
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rs = st.executeQuery("fetch forward " + FETCH_SIZE
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+ " in " + getTableName() + myCursorId + "_wkb_cursor"); |
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fetch_min = 0;
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fetch_max = FETCH_SIZE - 1;
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actual_position = 0;
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metaData = rs.getMetaData(); |
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doRelateID_FID(); |
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writer.setCreateTable(false);
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writer.setWriteAll(false);
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writer.initialize(lyrDef); |
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} catch (SQLException e) { |
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throw new DBException(e); |
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} catch (InitializeWriterException e) {
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throw new DBException(e); |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.ReadableVectorial#getFullExtent()
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*/
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public Rectangle2D getFullExtent() throws ReadDriverException { |
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if (fullExtent == null) { |
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try {
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Statement s = ((ConnectionJDBC)conn).getConnection().createStatement();
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ResultSet r = s.executeQuery("SELECT extent(" |
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+ getLyrDef().getFieldGeometry() |
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+ ") AS FullExtent FROM " + getLyrDef().getComposedTableName()
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+ " " + getCompleteWhere());
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r.next(); |
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String strAux = r.getString(1); |
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System.out.println("fullExtent = " + strAux); |
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if (strAux == null) |
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{ |
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logger.debug("La capa " + getLyrDef().getName() + " no tiene FULLEXTENT"); |
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return null; |
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} |
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if (strAux.startsWith("BOX3D")) { |
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PGbox3d regeom = new PGbox3d(strAux);
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double x = regeom.getLLB().x;
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double y = regeom.getLLB().y;
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double w = regeom.getURT().x - x;
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double h = regeom.getURT().y - y;
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fullExtent = new Rectangle2D.Double(x, y, w, h); |
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} else {
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PGbox2d regeom = new PGbox2d(strAux);
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double x = regeom.getLLB().x;
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double y = regeom.getLLB().y;
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double w = regeom.getURT().x - x;
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double h = regeom.getURT().y - y;
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fullExtent = new Rectangle2D.Double(x, y, w, h); |
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} |
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} catch (SQLException e) { |
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throw new ReadDriverException(this.getName(),e); |
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} |
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} |
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return fullExtent;
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getGeometryIterator(java.lang.String)
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*/
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public IFeatureIterator getFeatureIterator(String sql) throws ReadDriverException { |
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PostGisFeatureIterator geomIterator = null;
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try {
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// st = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
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// ResultSet.CONCUR_READ_ONLY);
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if (provCursorName != null) { |
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/* st.execute("BEGIN");
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st.execute("CLOSE " + provCursorName);
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bCursorActivo = false;
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st.execute("COMMIT"); */
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numProvCursors++; |
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} |
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// st.execute("BEGIN");
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provCursorName = getTableName() + myCursorId + "wkb_cursor_prov_" + System.currentTimeMillis() + "" + numProvCursors; |
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// st.execute("BEGIN");
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bCursorActivo = true;
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// ResultSet rs = st.executeQuery(sql);
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geomIterator = new PostGisFeatureIterator(((ConnectionJDBC)conn).getConnection(), provCursorName, sql);
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geomIterator.setLyrDef(getLyrDef()); |
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} catch (SQLException e) { |
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// e.printStackTrace();
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// e.printStackTrace();
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// SqlDriveExceptionType type = new SqlDriveExceptionType();
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// type.setDriverName("PostGIS Driver");
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// type.setSql(sql);
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// type.setLayerName(getTableName());
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// type.setSchema(null);
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throw new ReadDriverException("PostGIS Driver",e); |
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// throw new DriverException(e);
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// return null;
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} |
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return geomIterator;
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} |
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public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG) |
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throws ReadDriverException {
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if (workingArea != null) |
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r = r.createIntersection(workingArea); |
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String sqlAux;
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if (canReproject(strEPSG)) {
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sqlAux = sqlOrig + getCompoundWhere(sqlOrig, r, strEPSG); |
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} else {
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sqlAux = sqlOrig + getCompoundWhere(sqlOrig, r, originalEPSG); |
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} |
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System.out.println("SqlAux getFeatureIterator = " + sqlAux); |
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return getFeatureIterator(sqlAux);
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} |
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/**
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* Le pasas el rect?ngulo que quieres pedir. La primera vez es el
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* workingArea, y las siguientes una interseccion de este rectangulo con el
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* workingArea
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*
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* @param r
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* @param strEPSG
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* @return
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*/
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private String getCompoundWhere(String sql, Rectangle2D r, String strEPSG) { |
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if (r == null) |
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return getWhereClause();
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double xMin = r.getMinX();
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double yMin = r.getMinY();
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double xMax = r.getMaxX();
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double yMax = r.getMaxY();
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String wktBox = "GeometryFromText('LINESTRING(" + xMin + " " + yMin |
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+ ", " + xMax + " " + yMin + ", " + xMax + " " + yMax + ", " |
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+ xMin + " " + yMax + ")', " + strEPSG + ")"; |
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String sqlAux;
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if (getWhereClause().indexOf("WHERE") != -1) |
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sqlAux = getWhereClause() + " AND " + getLyrDef().getFieldGeometry() + " && " + wktBox; |
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else
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sqlAux = "WHERE " + getLyrDef().getFieldGeometry() + " && " |
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+ wktBox; |
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return sqlAux;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.drivers.IVectorialDatabaseDriver#getConnectionStringBeginning()
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*/
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public String getConnectionStringBeginning() { |
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return "jdbc:postgresql:"; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#getFieldValue(long,
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* int)
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*/
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public Value getFieldValue(long rowIndex, int idField) |
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throws ReadDriverException {
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boolean resul;
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// EL ABSOLUTE NO HACE QUE SE VUELVAN A LEER LAS
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// FILAS, ASI QUE MONTAMOS ESTA HISTORIA PARA QUE
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// LO HAGA
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// System.out.println("getShape " + index);
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int index = (int) (rowIndex); |
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try {
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setAbsolutePosition(index); |
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int fieldId = idField + 2; |
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byte[] byteBuf = rs.getBytes(fieldId); |
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if (byteBuf == null) |
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return ValueFactory.createNullValue();
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else {
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ByteBuffer buf = ByteBuffer.wrap(byteBuf); |
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if (metaData.getColumnType(fieldId) == Types.VARCHAR) |
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return ValueFactory.createValue(rs.getString(fieldId));
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if (metaData.getColumnType(fieldId) == Types.FLOAT) |
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return ValueFactory.createValue(buf.getFloat());
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if (metaData.getColumnType(fieldId) == Types.DOUBLE) |
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return ValueFactory.createValue(buf.getDouble());
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if (metaData.getColumnType(fieldId) == Types.REAL) |
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return ValueFactory.createValue(buf.getFloat());
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if (metaData.getColumnType(fieldId) == Types.INTEGER) |
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return ValueFactory.createValue(buf.getInt());
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if (metaData.getColumnType(fieldId) == Types.BIGINT) |
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return ValueFactory.createValue(buf.getLong());
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if (metaData.getColumnType(fieldId) == Types.BIT) |
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// TODO
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return ValueFactory.createValue(rs.getBoolean(fieldId));
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if (metaData.getColumnType(fieldId) == Types.DATE) |
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{ |
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long daysAfter2000 = buf.getInt() + 1; |
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long msecs = daysAfter2000*24*60*60*1000; |
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long real_msecs_date1 = (long) (XTypes.NUM_msSecs2000 + msecs); |
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Date realDate1 = new Date(real_msecs_date1); |
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return ValueFactory.createValue(realDate1);
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} |
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if (metaData.getColumnType(fieldId) == Types.TIME) |
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{ |
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// TODO:
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// throw new RuntimeException("TIME type not implemented yet");
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return ValueFactory.createValue("NOT IMPLEMENTED YET"); |
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} |
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if (metaData.getColumnType(fieldId) == Types.TIMESTAMP) |
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{ |
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double segsReferredTo2000 = buf.getDouble();
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long real_msecs = (long) (XTypes.NUM_msSecs2000 + segsReferredTo2000*1000); |
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Timestamp valTimeStamp = new Timestamp(real_msecs); |
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return ValueFactory.createValue(valTimeStamp);
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} |
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|
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if (metaData.getColumnType(fieldId) == Types.NUMERIC) { |
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// System.out.println(metaData.getColumnName(fieldId) + " "
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// + metaData.getColumnClassName(fieldId));
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short ndigits = buf.getShort();
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short weight = buf.getShort();
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short sign = buf.getShort();
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short dscale = buf.getShort();
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String strAux;
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if (sign == 0) |
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strAux = "+";
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else
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strAux = "-";
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|
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for (int iDigit = 0; iDigit < ndigits; iDigit++) { |
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short digit = buf.getShort();
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strAux = strAux + digit; |
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if (iDigit == weight)
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strAux = strAux + ".";
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486 |
} |
487 |
strAux = strAux + "0";
|
488 |
BigDecimal dec;
|
489 |
dec = new BigDecimal(strAux); |
490 |
// System.out.println(ndigits + "_" + weight + "_" + dscale
|
491 |
// + "_" + strAux);
|
492 |
// System.out.println(strAux + " Big= " + dec);
|
493 |
return ValueFactory.createValue(dec.doubleValue());
|
494 |
} |
495 |
|
496 |
} |
497 |
} catch (SQLException e) { |
498 |
throw new ReadDriverException("PostGIS Driver",e); |
499 |
} |
500 |
return ValueFactory.createNullValue();
|
501 |
|
502 |
} |
503 |
|
504 |
public void open() { |
505 |
/*
|
506 |
* try { st = conn.createStatement(); st.setFetchSize(2000); if
|
507 |
* (bCursorActivo) close(); st.execute("declare wkb_cursor binary cursor
|
508 |
* for " + sqlOrig); rs = st.executeQuery("fetch forward all in
|
509 |
* wkb_cursor"); // st.execute("BEGIN"); bCursorActivo = true; } catch
|
510 |
* (SQLException e) { e.printStackTrace(); throw new
|
511 |
* com.iver.cit.gvsig.fmap.DriverException(e); }
|
512 |
*/
|
513 |
|
514 |
} |
515 |
|
516 |
private void setAbsolutePosition(int index) throws SQLException { |
517 |
// TODO: USAR LIMIT Y ORDER BY, Y HACERLO TAMBI?N PARA
|
518 |
// MYSQL
|
519 |
|
520 |
// EL ABSOLUTE NO HACE QUE SE VUELVAN A LEER LAS
|
521 |
// FILAS, ASI QUE MONTAMOS ESTA HISTORIA PARA QUE
|
522 |
// LO HAGA
|
523 |
// System.out.println("getShape " + index + " fetchMin=" + fetch_min + "
|
524 |
// fetchMax=" + fetch_max);
|
525 |
|
526 |
if ((index >= fetch_min) && (index <= fetch_max))
|
527 |
{ |
528 |
// Est? en el intervalo, as? que lo podemos posicionar
|
529 |
|
530 |
} |
531 |
else
|
532 |
{ |
533 |
// calculamos el intervalo correcto
|
534 |
fetch_min = (index / FETCH_SIZE) * FETCH_SIZE; |
535 |
fetch_max = fetch_min + FETCH_SIZE; |
536 |
// y cogemos ese cacho
|
537 |
rs.close(); |
538 |
st.executeQuery("fetch absolute " + fetch_min
|
539 |
+ " in " + getTableName() + myCursorId + "_wkb_cursor"); |
540 |
|
541 |
rs = st.executeQuery("fetch forward " + FETCH_SIZE
|
542 |
+ " in " + getTableName() + myCursorId + "_wkb_cursor"); |
543 |
|
544 |
} |
545 |
rs.absolute(index - fetch_min + 1);
|
546 |
actual_position = index; |
547 |
|
548 |
} |
549 |
|
550 |
/**
|
551 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialDatabaseDriver#getGeometryField(java.lang.String)
|
552 |
*/
|
553 |
public String getGeometryField(String fieldName) { |
554 |
return "ASBINARY(" + fieldName + ", 'XDR')"; |
555 |
} |
556 |
|
557 |
/**
|
558 |
* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getPrimaryKeys()
|
559 |
*/
|
560 |
public int[] getPrimaryKeys() { |
561 |
// TODO Auto-generated method stub
|
562 |
return null; |
563 |
} |
564 |
|
565 |
/**
|
566 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialJDBCDriver#getDefaultPort()
|
567 |
*/
|
568 |
public int getDefaultPort() { |
569 |
return 5432; |
570 |
} |
571 |
|
572 |
/**
|
573 |
* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#write(com.hardcode.gdbms.engine.data.edition.DataWare)
|
574 |
*/
|
575 |
public void write(DataWare arg0) { |
576 |
// TODO Auto-generated method stub
|
577 |
|
578 |
} |
579 |
|
580 |
/*
|
581 |
* (non-Javadoc)
|
582 |
*
|
583 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#getSourceProjection()
|
584 |
*/
|
585 |
public String getSourceProjection(IConnection conn,DBLayerDefinition dbld) { |
586 |
if (originalEPSG == null) |
587 |
getTableEPSG_and_shapeType(conn,dbld); |
588 |
return originalEPSG;
|
589 |
} |
590 |
|
591 |
/**
|
592 |
* Las tablas con geometr?as est?n en la tabla GEOMETRY_COLUMNS y de
|
593 |
* ah? sacamos en qu? proyecci?n est?n.
|
594 |
* El problema es que si el usuario hace una vista de esa
|
595 |
* tabla, no estar? dada de alta aqu? y entonces gvSIG
|
596 |
* no se entera en qu? proyecci?n est? trabajando (y le
|
597 |
* ponemos un -1 como mal menor). El -1 implica que luego
|
598 |
* no podremos reproyectar al vuelo desde la base de datos.
|
599 |
* OJO: ES SENSIBLE A MAYUSCULAS / MINUSCULAS!!!
|
600 |
*/
|
601 |
private void getTableEPSG_and_shapeType(IConnection conn, DBLayerDefinition dbld) { |
602 |
try {
|
603 |
Statement stAux = ((ConnectionJDBC)conn).getConnection().createStatement();
|
604 |
|
605 |
// String sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
606 |
// + getTableName() + "' AND F_GEOMETRY_COLUMN = '" + getLyrDef().getFieldGeometry() + "'";
|
607 |
String sql;
|
608 |
if (dbld.getSchema() == null || dbld.getSchema().equals("")){ |
609 |
sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = current_schema() AND F_TABLE_NAME = '"
|
610 |
+ dbld.getTableName() + "' AND F_GEOMETRY_COLUMN = '" + dbld.getFieldGeometry() + "'"; |
611 |
}else{
|
612 |
sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = '"+ dbld.getSchema() + "' AND F_TABLE_NAME = '" |
613 |
+ dbld.getTableName() + "' AND F_GEOMETRY_COLUMN = '" + dbld.getFieldGeometry() + "'"; |
614 |
} |
615 |
|
616 |
ResultSet rs = stAux.executeQuery(sql);
|
617 |
rs.next(); |
618 |
originalEPSG = "" + rs.getInt("SRID"); |
619 |
String geometryType = rs.getString("TYPE"); |
620 |
int shapeType = FShape.MULTI;
|
621 |
if (geometryType.compareToIgnoreCase("POINT") == 0) |
622 |
shapeType = FShape.POINT; |
623 |
else if (geometryType.compareToIgnoreCase("LINESTRING") == 0) |
624 |
shapeType = FShape.LINE; |
625 |
else if (geometryType.compareToIgnoreCase("POLYGON") == 0) |
626 |
shapeType = FShape.POLYGON; |
627 |
else if (geometryType.compareToIgnoreCase("MULTIPOINT") == 0) |
628 |
shapeType = FShape.POINT; |
629 |
else if (geometryType.compareToIgnoreCase("MULTILINESTRING") == 0) |
630 |
shapeType = FShape.LINE; |
631 |
else if (geometryType.compareToIgnoreCase("MULTIPOLYGON") == 0) |
632 |
shapeType = FShape.POLYGON; |
633 |
|
634 |
dbld.setShapeType(shapeType); |
635 |
rs.close(); |
636 |
} catch (SQLException e) { |
637 |
// TODO Auto-generated catch block
|
638 |
originalEPSG = "-1";
|
639 |
logger.error(e); |
640 |
e.printStackTrace(); |
641 |
} |
642 |
|
643 |
} |
644 |
|
645 |
/*
|
646 |
* (non-Javadoc)
|
647 |
*
|
648 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#getDestProjection()
|
649 |
*/
|
650 |
public String getDestProjection() { |
651 |
return strEPSG;
|
652 |
} |
653 |
|
654 |
/*
|
655 |
* (non-Javadoc)
|
656 |
*
|
657 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#setDestProjection(java.lang.String)
|
658 |
*/
|
659 |
public void setDestProjection(String toEPSG) { |
660 |
this.strEPSG = toEPSG;
|
661 |
} |
662 |
|
663 |
/*
|
664 |
* (non-Javadoc)
|
665 |
*
|
666 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#canReproject(java.lang.String)
|
667 |
*/
|
668 |
public boolean canReproject(String toEPSGdestinyProjection) { |
669 |
// TODO POR AHORA, REPROYECTA SIEMPRE gvSIG.
|
670 |
return false; |
671 |
} |
672 |
|
673 |
/*
|
674 |
* (non-Javadoc)
|
675 |
*
|
676 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#doRelateID_FID()
|
677 |
*/
|
678 |
protected void doRelateID_FID() throws DBException { |
679 |
hashRelate = new Hashtable(); |
680 |
try {
|
681 |
String strSQL = "SELECT " + getLyrDef().getFieldID() + " FROM " |
682 |
+ getLyrDef().getComposedTableName() + " ";
|
683 |
// + getLyrDef().getWhereClause();
|
684 |
if (canReproject(strEPSG)) {
|
685 |
strSQL = strSQL |
686 |
+ getCompoundWhere(strSQL, workingArea, strEPSG); |
687 |
} else {
|
688 |
strSQL = strSQL |
689 |
+ getCompoundWhere(strSQL, workingArea, originalEPSG); |
690 |
} |
691 |
strSQL = strSQL + " ORDER BY " + getLyrDef().getFieldID();
|
692 |
Statement s = ((ConnectionJDBC)getConnection()).getConnection().createStatement(
|
693 |
ResultSet.TYPE_SCROLL_INSENSITIVE,
|
694 |
ResultSet.CONCUR_READ_ONLY);
|
695 |
int fetchSize = 5000; |
696 |
ResultSet r = s.executeQuery(strSQL);
|
697 |
int id = 0; |
698 |
String gid;
|
699 |
while (r.next()) {
|
700 |
gid = r.getString(1);
|
701 |
Value aux = ValueFactory.createValue(gid); |
702 |
hashRelate.put(aux, new Integer(id)); |
703 |
// System.out.println("ASOCIANDO CLAVE " + aux + " CON VALOR " + id);
|
704 |
id++; |
705 |
// System.out.println("Row " + id + ":" + strAux);
|
706 |
} |
707 |
s.close(); |
708 |
numReg = id; |
709 |
|
710 |
/*
|
711 |
* for (int index = 0; index < getShapeCount(); index++) { Value aux =
|
712 |
* getFieldValue(index, idFID_FieldName-2); hashRelate.put(aux, new
|
713 |
* Integer(index)); // System.out.println("Row " + index + " clave=" +
|
714 |
* aux); }
|
715 |
*/
|
716 |
/*
|
717 |
* int index = 0;
|
718 |
*
|
719 |
* while (rs.next()) { Value aux = getFieldValue(index,
|
720 |
* idFID_FieldName-2); hashRelate.put(aux, new Integer(index));
|
721 |
* index++; System.out.println("Row " + index + " clave=" + aux); }
|
722 |
* numReg = index;
|
723 |
*/
|
724 |
// rs.beforeFirst();
|
725 |
/*
|
726 |
* } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) { //
|
727 |
* TODO Auto-generated catch block e.printStackTrace();
|
728 |
*/
|
729 |
} catch (SQLException e) { |
730 |
throw new DBException(e); |
731 |
} |
732 |
} |
733 |
|
734 |
public String getSqlTotal() { |
735 |
return sqlTotal;
|
736 |
} |
737 |
|
738 |
/**
|
739 |
* @return Returns the completeWhere.
|
740 |
*/
|
741 |
public String getCompleteWhere() { |
742 |
return completeWhere;
|
743 |
} |
744 |
|
745 |
/*
|
746 |
* (non-Javadoc)
|
747 |
*
|
748 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#close()
|
749 |
*/
|
750 |
public void close() { |
751 |
super.close();
|
752 |
/*
|
753 |
* if (bCursorActivo) { try { // st =
|
754 |
* conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
|
755 |
* ResultSet.CONCUR_READ_ONLY); st.execute("CLOSE wkb_cursor_prov"); //
|
756 |
* st.close(); } catch (SQLException e) { // TODO Auto-generated catch
|
757 |
* block e.printStackTrace(); } bCursorActivo = false; }
|
758 |
*/
|
759 |
|
760 |
} |
761 |
|
762 |
/*
|
763 |
* (non-Javadoc)
|
764 |
*
|
765 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getFeatureIterator(java.awt.geom.Rectangle2D,
|
766 |
* java.lang.String, java.lang.String[])
|
767 |
*/
|
768 |
public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, |
769 |
String[] alphaNumericFieldsNeeded) throws ReadDriverException { |
770 |
String sqlAux = null; |
771 |
try {
|
772 |
if (workingArea != null) |
773 |
r = r.createIntersection(workingArea); |
774 |
// if (getLyrDef()==null){
|
775 |
// load();
|
776 |
// throw new DriverException("Fallo de la conexi?n");
|
777 |
// }
|
778 |
String strAux = getGeometryField(getLyrDef().getFieldGeometry());
|
779 |
|
780 |
boolean found = false; |
781 |
if (alphaNumericFieldsNeeded != null) { |
782 |
for (int i = 0; i < alphaNumericFieldsNeeded.length; i++) { |
783 |
strAux = strAux + ", " + alphaNumericFieldsNeeded[i];
|
784 |
if (alphaNumericFieldsNeeded[i].equals(getLyrDef()
|
785 |
.getFieldID())) |
786 |
found = true;
|
787 |
} |
788 |
} |
789 |
// Nos aseguramos de pedir siempre el campo ID
|
790 |
if (found == false) |
791 |
strAux = strAux + ", " + getLyrDef().getFieldID();
|
792 |
|
793 |
String sqlProv = "SELECT " + strAux + " FROM " |
794 |
+ getLyrDef().getComposedTableName() + " ";
|
795 |
// + getLyrDef().getWhereClause();
|
796 |
|
797 |
|
798 |
if (canReproject(strEPSG)) {
|
799 |
sqlAux = sqlProv + getCompoundWhere(sqlProv, r, strEPSG); |
800 |
} else {
|
801 |
sqlAux = sqlProv + getCompoundWhere(sqlProv, r, originalEPSG); |
802 |
} |
803 |
|
804 |
System.out.println("SqlAux getFeatureIterator = " + sqlAux); |
805 |
|
806 |
return getFeatureIterator(sqlAux);
|
807 |
} catch (Exception e) { |
808 |
// e.printStackTrace();
|
809 |
// SqlDriveExceptionType type = new SqlDriveExceptionType();
|
810 |
// type.setDriverName("PostGIS Driver");
|
811 |
// type.setSql(sqlAux);
|
812 |
// type.setLayerName(getTableName());
|
813 |
// type.setSchema(null);
|
814 |
throw new ReadDriverException("PostGIS Driver",e); |
815 |
|
816 |
// throw new DriverException(e);
|
817 |
} |
818 |
} |
819 |
|
820 |
/* public void preProcess() throws EditionException {
|
821 |
writer.preProcess();
|
822 |
}
|
823 |
|
824 |
public void process(IRowEdited row) throws EditionException {
|
825 |
writer.process(row);
|
826 |
}
|
827 |
|
828 |
public void postProcess() throws EditionException {
|
829 |
writer.postProcess();
|
830 |
}
|
831 |
|
832 |
public String getCapability(String capability) {
|
833 |
return writer.getCapability(capability);
|
834 |
}
|
835 |
|
836 |
public void setCapabilities(Properties capabilities) {
|
837 |
writer.setCapabilities(capabilities);
|
838 |
}
|
839 |
|
840 |
public boolean canWriteAttribute(int sqlType) {
|
841 |
return writer.canWriteAttribute(sqlType);
|
842 |
}
|
843 |
|
844 |
public boolean canWriteGeometry(int gvSIGgeometryType) {
|
845 |
return writer.canWriteGeometry(gvSIGgeometryType);
|
846 |
}
|
847 |
|
848 |
public void initialize(ITableDefinition layerDef) throws EditionException {
|
849 |
writer.setCreateTable(false);
|
850 |
writer.setWriteAll(false);
|
851 |
// Obtenemos el DBLayerDefinition a partir del driver
|
852 |
|
853 |
DBLayerDefinition dbLyrDef = getLyrDef();
|
854 |
|
855 |
|
856 |
writer.initialize(dbLyrDef);
|
857 |
}
|
858 |
*/
|
859 |
public boolean isWritable() { |
860 |
return true; |
861 |
} |
862 |
|
863 |
public IWriter getWriter() {
|
864 |
return writer;
|
865 |
} |
866 |
|
867 |
public String[] getGeometryFieldsCandidates(IConnection conn, String table_name) throws DBException { |
868 |
ArrayList list = new ArrayList(); |
869 |
try{
|
870 |
Statement stAux = ((ConnectionJDBC)conn).getConnection().createStatement();
|
871 |
String[] tokens = table_name.split("\\u002E", 2); |
872 |
String sql;
|
873 |
if (tokens.length > 1) |
874 |
{ |
875 |
sql = "select * from GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = '"
|
876 |
+ tokens[0] + "' AND F_TABLE_NAME = '" + |
877 |
tokens[1] + "'"; |
878 |
} |
879 |
else
|
880 |
{ |
881 |
sql = "select * from GEOMETRY_COLUMNS" +
|
882 |
" where F_TABLE_NAME = " + "'" + table_name + "'"; |
883 |
|
884 |
} |
885 |
|
886 |
// String sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
887 |
// + table_name + "'";
|
888 |
|
889 |
ResultSet rs = stAux.executeQuery(sql);
|
890 |
while (rs.next())
|
891 |
{ |
892 |
String geomCol = rs.getString("F_GEOMETRY_COLUMN"); |
893 |
list.add(geomCol); |
894 |
} |
895 |
rs.close(); stAux.close(); |
896 |
} catch (SQLException e) { |
897 |
throw new DBException(e); |
898 |
} |
899 |
return (String[]) list.toArray(new String[0]); |
900 |
} |
901 |
// public String[] getTableFields(IConnection conex, String table) throws DBException {
|
902 |
// try{
|
903 |
// Statement st = ((ConnectionJDBC)conex).getConnection().createStatement();
|
904 |
// // ResultSet rs = dbmd.getTables(catalog, null, dbLayerDefinition.getTable(), null);
|
905 |
// ResultSet rs = st.executeQuery("select * from " + table + " LIMIT 1");
|
906 |
// ResultSetMetaData rsmd = rs.getMetaData();
|
907 |
//
|
908 |
// String[] ret = new String[rsmd.getColumnCount()];
|
909 |
//
|
910 |
// for (int i = 0; i < ret.length; i++) {
|
911 |
// ret[i] = rsmd.getColumnName(i+1);
|
912 |
// }
|
913 |
//
|
914 |
// return ret;
|
915 |
// }catch (SQLException e) {
|
916 |
// throw new DBException(e);
|
917 |
// }
|
918 |
// }
|
919 |
|
920 |
} |