svn-gvsig-desktop / trunk / extensions / extJDBC / src / com / iver / cit / gvsig / fmap / drivers / jdbc / postgis / PostGisDriver.java @ 40034
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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.math.BigInteger; |
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import java.nio.ByteBuffer; |
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import java.sql.Connection; |
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import java.sql.PreparedStatement; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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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.Calendar; |
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import java.util.GregorianCalendar; |
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import java.util.HashMap; |
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import java.util.Hashtable; |
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import java.util.Map; |
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import java.util.Random; |
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import org.apache.log4j.Logger; |
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import org.joda.time.DateTime; |
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import org.postgis.PGbox2d; |
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import org.postgis.PGbox3d; |
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import org.postgresql.util.PSQLException; |
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import org.postgresql.util.PSQLState; |
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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.andami.PluginServices; |
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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.FieldDescription; |
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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.WKBParser3; |
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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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public class PostGisDriver extends DefaultJDBCDriver implements ICanReproject, |
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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 WKBParser3 parser = new WKBParser3(); |
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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 completeWhere; |
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boolean bShapeTypeRevised = false; |
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/**
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* It stores all schemas privileges, in order to avoid checking it everytime
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* canRead() is called.
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*/
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private Map<String, Boolean> schemasUsage = new HashMap<String, Boolean>(); |
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private String cursorName; |
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private static final BigInteger _nbase = new BigInteger("10000"); |
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private static final BigInteger _nbasePow2 = _nbase.pow(2); |
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private static final BigInteger _nbasePow4 = _nbase.pow(4); |
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private static final long nbaseLong = _nbase.longValue(); |
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private static final long nbaseLongPow2 = nbaseLong * nbaseLong; |
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private static final int nbaseInt = (int) nbaseLong; |
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public static final String NAME = "PostGIS JDBC Driver"; |
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protected static BigInteger getNBase() { |
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return _nbase;
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} |
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protected static BigInteger getNBasePow2() { |
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return _nbasePow2;
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} |
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protected static BigInteger getNBasePow4() { |
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return _nbasePow4;
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} |
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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
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* 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 NAME;
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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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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) { |
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return null; |
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} |
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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) |
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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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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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sqlTotal = sqlOrig + completeWhere + " ORDER BY " + getLyrDef().getFieldID();
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logger.info("Cadena SQL:" + sqlTotal);
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Statement st = ((ConnectionJDBC) conn).getConnection().createStatement(
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ResultSet.TYPE_SCROLL_INSENSITIVE,
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ResultSet.CONCUR_READ_ONLY);
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myCursorId++; |
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cursorName = "wkb_cursor_" + myCursorId + getTableName();
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st.execute("declare " + cursorName + " binary scroll cursor with hold for " + sqlTotal); |
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rs = st.executeQuery("fetch forward " + FETCH_SIZE + " in " + cursorName); |
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fetch_min = 0;
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fetch_max = FETCH_SIZE - 1;
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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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try {
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((ConnectionJDBC) conn).getConnection().rollback(); |
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} catch (SQLException e1) { |
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logger.warn("Unable to rollback connection after problem (" + e.getMessage() + ") in setData()"); |
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} |
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try {
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if (rs != null) { rs.close(); } |
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} catch (SQLException e1) { |
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throw new DBException(e); |
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} |
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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()
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.createStatement(); |
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String query = "SELECT ST_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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ResultSet r = s.executeQuery(query);
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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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logger.debug("La capa " + getLyrDef().getName()
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+ " 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
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* com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getGeometryIterator
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* (java.lang.String)
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*/
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public IFeatureIterator getFeatureIterator(String sql) |
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throws ReadDriverException {
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PostGisFeatureIterator geomIterator = null;
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geomIterator = myGetFeatureIterator(sql); |
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geomIterator.setLyrDef(getLyrDef()); |
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return geomIterator;
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} |
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private PostGisFeatureIterator myGetFeatureIterator(String sql) |
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throws ReadDriverException {
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PostGisFeatureIterator geomIterator = null;
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try {
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String provCursorName = "wkb_cursor_prov_" |
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+ Long.toString(Math.abs(new Random().nextLong())) |
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+ getTableName(); |
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// jlopez: if the cursor is longer than 64 chars, we strip it to
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// that length. We should use a different name convention which
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// avoids this kind of problems.
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if (provCursorName.length() > 64) { |
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provCursorName = provCursorName.substring(0, 63); |
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} |
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bCursorActivo = true;
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geomIterator = new PostGisFeatureIterator(
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((ConnectionJDBC) conn).getConnection(), provCursorName, |
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sql); |
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} catch (SQLException e) { |
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throw new ReadDriverException("PostGIS Driver", e); |
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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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} |
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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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} |
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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 = "ST_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().toUpperCase().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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} |
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return sqlAux;
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} |
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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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/*
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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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@Override
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public Value getFieldValue(long rowIndex, int idField) |
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throws ReadDriverException {
|
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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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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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return getFieldValue(rs, fieldId);
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|
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} catch (SQLException e) { |
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throw new ReadDriverException("PostGIS Driver", e); |
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} |
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} |
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|
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static Value getFieldValue(ResultSet aRs, int fieldId) throws SQLException { |
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ResultSetMetaData metaData = aRs.getMetaData();
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byte[] byteBuf = aRs.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(aRs.getString(fieldId));
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} |
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if (metaData.getColumnType(fieldId) == Types.CHAR){ |
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String character = aRs.getString(fieldId);
|
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if (character != null){ |
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return ValueFactory.createValue(character.trim());
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}else{
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return ValueFactory.createValue(character);
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} |
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} |
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if (metaData.getColumnType(fieldId) == Types.FLOAT) { |
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return ValueFactory.createValue(buf.getFloat());
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} |
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if (metaData.getColumnType(fieldId) == Types.DOUBLE) { |
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return ValueFactory.createValue(buf.getDouble());
|
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} |
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if (metaData.getColumnType(fieldId) == Types.REAL) { |
511 |
return ValueFactory.createValue(buf.getFloat());
|
512 |
} |
513 |
if (metaData.getColumnType(fieldId) == Types.INTEGER) { |
514 |
return ValueFactory.createValue(buf.getInt());
|
515 |
} |
516 |
if (metaData.getColumnType(fieldId) == Types.SMALLINT) { |
517 |
return ValueFactory.createValue(buf.getShort());
|
518 |
} |
519 |
if (metaData.getColumnType(fieldId) == Types.BIGINT) { |
520 |
return ValueFactory.createValue(buf.getLong());
|
521 |
} |
522 |
if (metaData.getColumnType(fieldId) == Types.BIT) { |
523 |
return ValueFactory.createValue((byteBuf[0] == 1)); |
524 |
} |
525 |
if (metaData.getColumnType(fieldId) == Types.BOOLEAN) { |
526 |
return ValueFactory.createValue(aRs.getBoolean(fieldId));
|
527 |
} |
528 |
if (metaData.getColumnType(fieldId) == Types.DATE) { |
529 |
long daysAfter2000 = buf.getInt();
|
530 |
DateTime year2000 = new DateTime(2000, 1,1,0,0,0); |
531 |
DateTime dt = year2000.plusDays((int)daysAfter2000);
|
532 |
Calendar cal = GregorianCalendar.getInstance(); |
533 |
cal.set(dt.getYear(), dt.getMonthOfYear()-1, dt.getDayOfMonth());
|
534 |
// System.out.println(dt + " convertido:" + cal.getTime());
|
535 |
return ValueFactory.createValue(cal.getTime());
|
536 |
} |
537 |
if (metaData.getColumnType(fieldId) == Types.TIME) { |
538 |
// TODO:
|
539 |
// throw new RuntimeException("TIME type not implemented yet");
|
540 |
return ValueFactory.createValue("NOT IMPLEMENTED YET"); |
541 |
} |
542 |
if (metaData.getColumnType(fieldId) == Types.TIMESTAMP) { |
543 |
double segsReferredTo2000 = buf.getDouble();
|
544 |
long real_msecs = (long) (XTypes.NUM_msSecs2000 + segsReferredTo2000 * 1000); |
545 |
Timestamp valTimeStamp = new Timestamp(real_msecs); |
546 |
return ValueFactory.createValue(valTimeStamp);
|
547 |
} |
548 |
|
549 |
if (metaData.getColumnType(fieldId) == Types.NUMERIC) { |
550 |
// System.out.println(metaData.getColumnName(fieldId) + " "
|
551 |
// + metaData.getColumnClassName(fieldId));
|
552 |
// short ndigits = buf.getShort();
|
553 |
// short weight = buf.getShort();
|
554 |
// short sign = buf.getShort();
|
555 |
// short dscale = buf.getShort();
|
556 |
// String strAux;
|
557 |
// if (sign == 0)
|
558 |
// strAux = "+";
|
559 |
// else
|
560 |
// strAux = "-";
|
561 |
//
|
562 |
// for (int iDigit = 0; iDigit < ndigits; iDigit++) {
|
563 |
// short digit = buf.getShort();
|
564 |
// strAux = strAux + digit;
|
565 |
// if (iDigit == weight)
|
566 |
// strAux = strAux + ".";
|
567 |
//
|
568 |
// }
|
569 |
// strAux = strAux + "0";
|
570 |
|
571 |
BigDecimal dec;
|
572 |
dec = getBigDecimal(buf.array()); |
573 |
// dec = new BigDecimal(strAux);
|
574 |
// System.out.println(ndigits + "_" + weight + "_" + dscale
|
575 |
// + "_" + strAux);
|
576 |
// System.out.println(strAux + " Big= " + dec);
|
577 |
return ValueFactory.createValue(dec.doubleValue());
|
578 |
} |
579 |
|
580 |
} |
581 |
|
582 |
return ValueFactory.createNullValue();
|
583 |
|
584 |
} |
585 |
|
586 |
private static BigDecimal getBigDecimal(byte[] number) throws SQLException { |
587 |
|
588 |
short ndigits = (short) (((number[0] & 0xff) << 8) | (number[1] & 0xff)); |
589 |
short weight = (short) (((number[2] & 0xff) << 8) | (number[3] & 0xff)); |
590 |
short sign = (short) (((number[4] & 0xff) << 8) | (number[5] & 0xff)); |
591 |
short dscale = (short) (((number[6] & 0xff) << 8) | (number[7] & 0xff)); |
592 |
|
593 |
if (sign == (short) 0xC000) { |
594 |
// Numeric NaN - BigDecimal doesn't support this
|
595 |
throw new PSQLException( |
596 |
"The numeric value is NaN - can't convert to BigDecimal",
|
597 |
PSQLState.NUMERIC_VALUE_OUT_OF_RANGE); |
598 |
} |
599 |
|
600 |
final int bigDecimalSign = sign == 0x4000 ? -1 : 1; |
601 |
|
602 |
// System.out.println("ndigits=" + ndigits
|
603 |
// +",\n wieght=" + weight
|
604 |
// +",\n sign=" + sign
|
605 |
// +",\n dscale=" + dscale);
|
606 |
// // for (int i=8; i < number.length; i++) {
|
607 |
// System.out.println("numer[i]=" + (int) (number[i] & 0xff));
|
608 |
// }
|
609 |
|
610 |
int tail = ndigits % 4; |
611 |
int bytesToParse = (ndigits - tail) * 2 + 8; |
612 |
// System.out.println("numberParseLength="+numberParseLength);
|
613 |
int i;
|
614 |
BigInteger unscaledValue = BigInteger.ZERO; |
615 |
final BigInteger nbase = getNBase(); |
616 |
final BigInteger nbasePow2 = getNBasePow2(); |
617 |
final BigInteger nbasePow4 = getNBasePow4(); |
618 |
|
619 |
|
620 |
byte[] buffer = new byte[8]; |
621 |
|
622 |
// System.out.println("tail = " + tail + " bytesToParse = " +
|
623 |
// bytesToParse);
|
624 |
|
625 |
for (i = 8; i < bytesToParse; i += 8) { |
626 |
// This Hi and Lo aren't bytes Hi Li, but decimal Hi Lo!! (Big &
|
627 |
// Small)
|
628 |
long valHi = (((number[i] & 0xff) << 8) | (number[i + 1] & 0xff)) |
629 |
* 10000
|
630 |
+ (((number[i + 2] & 0xff) << 8) | (number[i + 3] & 0xff)); |
631 |
long valLo = (((number[i + 4] & 0xff) << 8) | (number[i + 5] & 0xff)) |
632 |
* 10000
|
633 |
+ (((number[i + 6] & 0xff) << 8) | (number[i + 7] & 0xff)); |
634 |
long val = valHi * nbaseLongPow2 + valLo;
|
635 |
buffer[0] = (byte) (val >>> 56); |
636 |
buffer[1] = (byte) (val >>> 48); |
637 |
buffer[2] = (byte) (val >>> 40); |
638 |
buffer[3] = (byte) (val >>> 32); |
639 |
buffer[4] = (byte) (val >>> 24); |
640 |
buffer[5] = (byte) (val >>> 16); |
641 |
buffer[6] = (byte) (val >>> 8); |
642 |
buffer[7] = (byte) (val >>> 0); |
643 |
|
644 |
BigInteger valBigInteger = new BigInteger(bigDecimalSign, buffer); |
645 |
unscaledValue = unscaledValue.multiply(nbasePow4) |
646 |
.add(valBigInteger); |
647 |
} |
648 |
tail = tail % 2;
|
649 |
bytesToParse = (ndigits - tail) * 2 + 8; |
650 |
// System.out.println("tail = " + tail + " bytesToParse = " +
|
651 |
// bytesToParse);
|
652 |
|
653 |
buffer = new byte[4]; |
654 |
for (; i < bytesToParse; i += 4) { |
655 |
int val = (((number[i] & 0xff) << 8) | (number[i + 1] & 0xff)) |
656 |
* nbaseInt |
657 |
+ (((number[i + 2] & 0xff) << 8) | (number[i + 3] & 0xff)); |
658 |
buffer[0] = (byte) (val >>> 24); |
659 |
buffer[1] = (byte) (val >>> 16); |
660 |
buffer[2] = (byte) (val >>> 8); |
661 |
buffer[3] = (byte) val; |
662 |
BigInteger valBigInteger = new BigInteger(bigDecimalSign, buffer); |
663 |
unscaledValue = unscaledValue.multiply(nbasePow2) |
664 |
.add(valBigInteger); |
665 |
} |
666 |
|
667 |
// Add the rest of number
|
668 |
if (tail % 2 == 1) { |
669 |
buffer = new byte[2]; |
670 |
buffer[0] = number[number.length - 2]; |
671 |
buffer[1] = number[number.length - 1]; |
672 |
BigInteger valBigInteger = new BigInteger(bigDecimalSign, buffer); |
673 |
unscaledValue = unscaledValue.multiply(nbase).add(valBigInteger); |
674 |
// System.out.println("Value (2) unscaled =" + unscaledValue
|
675 |
// +", valBI = "+ valBigInteger);
|
676 |
} |
677 |
|
678 |
|
679 |
// Calculate scale offset
|
680 |
final int databaseScale = (ndigits - weight - 1) * 4; // Number of |
681 |
// digits in
|
682 |
// nbase
|
683 |
// TODO This number of digits should be calculeted depending on nbase
|
684 |
// (getNbase());
|
685 |
|
686 |
BigDecimal result = new BigDecimal(unscaledValue, databaseScale); |
687 |
return result;
|
688 |
|
689 |
} |
690 |
|
691 |
public void open() { |
692 |
/*
|
693 |
* try { st = conn.createStatement(); st.setFetchSize(2000); if
|
694 |
* (bCursorActivo) close(); st.execute("declare wkb_cursor binary cursor
|
695 |
* for " + sqlOrig); rs = st.executeQuery("fetch forward all in
|
696 |
* wkb_cursor"); // st.execute("BEGIN"); bCursorActivo = true; } catch
|
697 |
* (SQLException e) { e.printStackTrace(); throw new
|
698 |
* com.iver.cit.gvsig.fmap.DriverException(e); }
|
699 |
*/
|
700 |
|
701 |
} |
702 |
|
703 |
private void setAbsolutePosition(int index) throws SQLException { |
704 |
// TODO: USAR LIMIT Y ORDER BY, Y HACERLO TAMBI?N PARA
|
705 |
// MYSQL
|
706 |
|
707 |
if (rs == null) { |
708 |
// ha habido un error previo. Es mejor poner un error y no seguir.
|
709 |
try {
|
710 |
reload(); |
711 |
} |
712 |
catch (Exception e) { |
713 |
e.printStackTrace(); |
714 |
throw new SQLException(e); |
715 |
} |
716 |
} |
717 |
|
718 |
// EL ABSOLUTE NO HACE QUE SE VUELVAN A LEER LAS
|
719 |
// FILAS, ASI QUE MONTAMOS ESTA HISTORIA PARA QUE
|
720 |
// LO HAGA
|
721 |
|
722 |
if ((index >= fetch_min) && (index <= fetch_max)) {
|
723 |
// Est? en el intervalo, as? que lo podemos posicionar
|
724 |
|
725 |
} else {
|
726 |
// calculamos el intervalo correcto
|
727 |
fetch_min = (index / FETCH_SIZE) * FETCH_SIZE; |
728 |
fetch_max = fetch_min + FETCH_SIZE - 1;
|
729 |
// y cogemos ese cacho
|
730 |
rs.close(); |
731 |
|
732 |
Statement st = ((ConnectionJDBC)conn).getConnection().createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, |
733 |
ResultSet.CONCUR_READ_ONLY);
|
734 |
|
735 |
// myCursorId++;
|
736 |
// st.execute("declare "
|
737 |
// + getTableName()
|
738 |
// + myCursorId
|
739 |
// + "_wkb_cursorAbsolutePosition binary scroll cursor with hold for "
|
740 |
// + sqlTotal);
|
741 |
st.executeQuery("fetch absolute " + fetch_min + " in " + cursorName); |
742 |
// + getTableName() + myCursorId
|
743 |
// + "_wkb_cursorAbsolutePosition");
|
744 |
|
745 |
rs = st.executeQuery("fetch forward " + FETCH_SIZE + " in " + cursorName); |
746 |
// + getTableName() + myCursorId
|
747 |
// + "_wkb_cursorAbsolutePosition");
|
748 |
|
749 |
|
750 |
} |
751 |
rs.absolute(index - fetch_min + 1);
|
752 |
|
753 |
} |
754 |
|
755 |
/**
|
756 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialDatabaseDriver#getGeometryField(java.lang.String)
|
757 |
*/
|
758 |
public String getGeometryField(String fieldName) { |
759 |
return "ST_AsEWKB(\"" + fieldName + "\", 'XDR')"; |
760 |
} |
761 |
|
762 |
/**
|
763 |
* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getPrimaryKeys()
|
764 |
*/
|
765 |
public int[] getPrimaryKeys() { |
766 |
// TODO Auto-generated method stub
|
767 |
return null; |
768 |
} |
769 |
|
770 |
/**
|
771 |
* @see com.iver.cit.gvsig.fmap.drivers.IVectorialJDBCDriver#getDefaultPort()
|
772 |
*/
|
773 |
public int getDefaultPort() { |
774 |
return 5432; |
775 |
} |
776 |
|
777 |
/**
|
778 |
* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#write(com.hardcode.gdbms.engine.data.edition.DataWare)
|
779 |
*/
|
780 |
public void write(DataWare arg0) { |
781 |
// TODO Auto-generated method stub
|
782 |
|
783 |
} |
784 |
|
785 |
/*
|
786 |
* (non-Javadoc)
|
787 |
*
|
788 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#getSourceProjection()
|
789 |
*/
|
790 |
public String getSourceProjection(IConnection conn, DBLayerDefinition dbld) { |
791 |
if (originalEPSG == null) { |
792 |
getTableEPSG_and_shapeType(conn, dbld); |
793 |
} |
794 |
return originalEPSG;
|
795 |
} |
796 |
|
797 |
/**
|
798 |
* Las tablas con geometr?as est?n en la tabla GEOMETRY_COLUMNS y de ah?
|
799 |
* sacamos en qu? proyecci?n est?n. El problema es que si el usuario hace
|
800 |
* una vista de esa tabla, no estar? dada de alta aqu? y entonces gvSIG no
|
801 |
* se entera en qu? proyecci?n est? trabajando (y le ponemos un -1 como mal
|
802 |
* menor). El -1 implica que luego no podremos reproyectar al vuelo desde la
|
803 |
* base de datos. OJO: ES SENSIBLE A MAYUSCULAS / MINUSCULAS!!!
|
804 |
*/
|
805 |
private void getTableEPSG_and_shapeType(IConnection conn, |
806 |
DBLayerDefinition dbld) { |
807 |
try {
|
808 |
Statement stAux = ((ConnectionJDBC) conn).getConnection()
|
809 |
.createStatement(); |
810 |
|
811 |
// String sql =
|
812 |
// "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
813 |
// + getTableName() + "' AND F_GEOMETRY_COLUMN = '" +
|
814 |
// getLyrDef().getFieldGeometry() + "'";
|
815 |
String sql;
|
816 |
if (dbld.getSchema() == null || dbld.getSchema().equals("")) { |
817 |
sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = current_schema() AND F_TABLE_NAME = '"
|
818 |
+ dbld.getTableName() |
819 |
+ "' AND F_GEOMETRY_COLUMN = '"
|
820 |
+ dbld.getFieldGeometry() + "'";
|
821 |
} else {
|
822 |
sql = "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = '"
|
823 |
+ dbld.getSchema() + "' AND F_TABLE_NAME = '"
|
824 |
+ dbld.getTableName() + "' AND F_GEOMETRY_COLUMN = '"
|
825 |
+ dbld.getFieldGeometry() + "'";
|
826 |
} |
827 |
|
828 |
ResultSet rs = stAux.executeQuery(sql);
|
829 |
if (rs.next()) {
|
830 |
originalEPSG = "" + rs.getInt("SRID"); |
831 |
String geometryType = rs.getString("TYPE"); |
832 |
int shapeType = FShape.MULTI;
|
833 |
if (geometryType.compareToIgnoreCase("POINT") == 0) { |
834 |
shapeType = FShape.POINT; |
835 |
} else if (geometryType.compareToIgnoreCase("LINESTRING") == 0) { |
836 |
shapeType = FShape.LINE; |
837 |
} else if (geometryType.compareToIgnoreCase("POLYGON") == 0) { |
838 |
shapeType = FShape.POLYGON; |
839 |
} else if (geometryType.compareToIgnoreCase("MULTIPOINT") == 0) { |
840 |
shapeType = FShape.MULTIPOINT; |
841 |
} else if (geometryType.compareToIgnoreCase("MULTILINESTRING") == 0) { |
842 |
shapeType = FShape.LINE; |
843 |
} else if (geometryType.compareToIgnoreCase("MULTILINESTRINGM") == 0) { |
844 |
shapeType = FShape.LINE | FShape.M; |
845 |
} else if (geometryType.compareToIgnoreCase("MULTIPOLYGON") == 0) { |
846 |
shapeType = FShape.POLYGON; |
847 |
} |
848 |
dbld.setShapeType(shapeType); |
849 |
|
850 |
//jomarlla
|
851 |
int dimension = rs.getInt("COORD_DIMENSION"); |
852 |
dbld.setDimension(dimension); |
853 |
|
854 |
} else {
|
855 |
originalEPSG = "-1";
|
856 |
} |
857 |
|
858 |
rs.close(); |
859 |
} catch (SQLException e) { |
860 |
// TODO Auto-generated catch block
|
861 |
originalEPSG = "-1";
|
862 |
logger.error(e); |
863 |
e.printStackTrace(); |
864 |
} |
865 |
|
866 |
} |
867 |
|
868 |
/*
|
869 |
* (non-Javadoc)
|
870 |
*
|
871 |
* @see com.iver.cit.gvsig.fmap.core.ICanReproject#getDestProjection()
|
872 |
*/
|
873 |
public String getDestProjection() { |
874 |
return strEPSG;
|
875 |
} |
876 |
|
877 |
/*
|
878 |
* (non-Javadoc)
|
879 |
*
|
880 |
* @see
|
881 |
* com.iver.cit.gvsig.fmap.core.ICanReproject#setDestProjection(java.lang
|
882 |
* .String)
|
883 |
*/
|
884 |
public void setDestProjection(String toEPSG) { |
885 |
this.strEPSG = toEPSG;
|
886 |
} |
887 |
|
888 |
/*
|
889 |
* (non-Javadoc)
|
890 |
*
|
891 |
* @see
|
892 |
* com.iver.cit.gvsig.fmap.core.ICanReproject#canReproject(java.lang.String)
|
893 |
*/
|
894 |
public boolean canReproject(String toEPSGdestinyProjection) { |
895 |
// TODO POR AHORA, REPROYECTA SIEMPRE gvSIG.
|
896 |
return false; |
897 |
} |
898 |
|
899 |
/*
|
900 |
* (non-Javadoc)
|
901 |
*
|
902 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#doRelateID_FID()
|
903 |
*/
|
904 |
protected void doRelateID_FID() throws DBException { |
905 |
hashRelate = new Hashtable(); |
906 |
try {
|
907 |
String strSQL = "SELECT " + getLyrDef().getFieldID() + " FROM " |
908 |
+ getLyrDef().getComposedTableName() + " ";
|
909 |
// + getLyrDef().getWhereClause();
|
910 |
if (canReproject(strEPSG)) {
|
911 |
strSQL = strSQL |
912 |
+ getCompoundWhere(strSQL, workingArea, strEPSG); |
913 |
} else {
|
914 |
strSQL = strSQL |
915 |
+ getCompoundWhere(strSQL, workingArea, originalEPSG); |
916 |
} |
917 |
strSQL = strSQL + " ORDER BY " + getLyrDef().getFieldID();
|
918 |
Statement s = ((ConnectionJDBC) getConnection()).getConnection()
|
919 |
.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
|
920 |
ResultSet.CONCUR_READ_ONLY);
|
921 |
int fetchSize = 5000; |
922 |
ResultSet r = s.executeQuery(strSQL);
|
923 |
int id = 0; |
924 |
String gid;
|
925 |
while (r.next()) {
|
926 |
gid = r.getString(1);
|
927 |
|
928 |
if (gid == null) { |
929 |
throw new SQLException( |
930 |
PluginServices.getText(null, "Found_null_id_in_table") + ": " + |
931 |
getLyrDef().getComposedTableName()); |
932 |
} |
933 |
|
934 |
Value aux = ValueFactory.createValue(gid); |
935 |
hashRelate.put(aux, new Integer(id)); |
936 |
// System.out.println("ASOCIANDO CLAVE " + aux + " CON VALOR " +
|
937 |
// id);
|
938 |
id++; |
939 |
// System.out.println("Row " + id + ":" + strAux);
|
940 |
} |
941 |
s.close(); |
942 |
numReg = id; |
943 |
|
944 |
/*
|
945 |
* for (int index = 0; index < getShapeCount(); index++) { Value aux
|
946 |
* = getFieldValue(index, idFID_FieldName-2); hashRelate.put(aux,
|
947 |
* new Integer(index)); // System.out.println("Row " + index +
|
948 |
* " clave=" + aux); }
|
949 |
*/
|
950 |
/*
|
951 |
* int index = 0;
|
952 |
*
|
953 |
* while (rs.next()) { Value aux = getFieldValue(index,
|
954 |
* idFID_FieldName-2); hashRelate.put(aux, new Integer(index));
|
955 |
* index++; System.out.println("Row " + index + " clave=" + aux); }
|
956 |
* numReg = index;
|
957 |
*/
|
958 |
// rs.beforeFirst();
|
959 |
/*
|
960 |
* } catch (com.hardcode.gdbms.engine.data.driver.DriverException e)
|
961 |
* { // TODO Auto-generated catch block e.printStackTrace();
|
962 |
*/
|
963 |
} catch (SQLException e) { |
964 |
throw new DBException(e); |
965 |
} |
966 |
} |
967 |
|
968 |
public String getSqlTotal() { |
969 |
return sqlTotal;
|
970 |
} |
971 |
|
972 |
/**
|
973 |
* @return Returns the completeWhere.
|
974 |
*/
|
975 |
public String getCompleteWhere() { |
976 |
return completeWhere;
|
977 |
} |
978 |
|
979 |
/*
|
980 |
* (non-Javadoc)
|
981 |
*
|
982 |
* @see com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver#close()
|
983 |
*/
|
984 |
public void close() { |
985 |
super.close();
|
986 |
/*
|
987 |
* if (bCursorActivo) { try { // st =
|
988 |
* conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
|
989 |
* ResultSet.CONCUR_READ_ONLY); st.execute("CLOSE wkb_cursor_prov"); //
|
990 |
* st.close(); } catch (SQLException e) { // TODO Auto-generated catch
|
991 |
* block e.printStackTrace(); } bCursorActivo = false; }
|
992 |
*/
|
993 |
|
994 |
} |
995 |
|
996 |
/*
|
997 |
* (non-Javadoc)
|
998 |
*
|
999 |
* @see
|
1000 |
* com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver#getFeatureIterator
|
1001 |
* (java.awt.geom.Rectangle2D, java.lang.String, java.lang.String[])
|
1002 |
*/
|
1003 |
public IFeatureIterator getFeatureIterator(Rectangle2D r, String strEPSG, |
1004 |
String[] alphaNumericFieldsNeeded) throws ReadDriverException { |
1005 |
String sqlAux = null; |
1006 |
DBLayerDefinition lyrDef = getLyrDef(); |
1007 |
DBLayerDefinition clonedLyrDef = cloneLyrDef(lyrDef); |
1008 |
ArrayList<FieldDescription> myFieldsDesc = new ArrayList<FieldDescription>(); // = |
1009 |
// new
|
1010 |
// FieldDescription[alphaNumericFieldsNeeded.length+1];
|
1011 |
try {
|
1012 |
if (workingArea != null) { |
1013 |
r = r.createIntersection(workingArea); |
1014 |
} |
1015 |
// if (getLyrDef()==null){
|
1016 |
// load();
|
1017 |
// throw new DriverException("Fallo de la conexi?n");
|
1018 |
// }
|
1019 |
String strAux = getGeometryField(lyrDef.getFieldGeometry());
|
1020 |
|
1021 |
boolean found = false; |
1022 |
int fieldIndex = -1; |
1023 |
if (alphaNumericFieldsNeeded != null) { |
1024 |
FieldDescription[] fieldsDesc = lyrDef.getFieldsDesc();
|
1025 |
|
1026 |
for (int i = 0; i < alphaNumericFieldsNeeded.length; i++) { |
1027 |
fieldIndex = lyrDef |
1028 |
.getFieldIdByName(alphaNumericFieldsNeeded[i]); |
1029 |
if (fieldIndex < 0) { |
1030 |
throw new RuntimeException( |
1031 |
"No se ha encontrado el nombre de campo "
|
1032 |
+ metaData.getColumnName(i)); |
1033 |
} |
1034 |
strAux = strAux |
1035 |
+ ", "
|
1036 |
+ PostGIS |
1037 |
.escapeFieldName(lyrDef.getFieldNames()[fieldIndex]); |
1038 |
if (alphaNumericFieldsNeeded[i].equalsIgnoreCase(lyrDef
|
1039 |
.getFieldID())) { |
1040 |
found = true;
|
1041 |
clonedLyrDef.setIdFieldID(i); |
1042 |
} |
1043 |
|
1044 |
myFieldsDesc.add(fieldsDesc[fieldIndex]); |
1045 |
} |
1046 |
} |
1047 |
// Nos aseguramos de pedir siempre el campo ID
|
1048 |
if (found == false) { |
1049 |
strAux = strAux + ", " + lyrDef.getFieldID();
|
1050 |
myFieldsDesc.add(lyrDef.getFieldsDesc()[lyrDef |
1051 |
.getIdField(lyrDef.getFieldID())]); |
1052 |
clonedLyrDef.setIdFieldID(myFieldsDesc.size() - 1);
|
1053 |
} |
1054 |
clonedLyrDef.setFieldsDesc((FieldDescription[]) myFieldsDesc
|
1055 |
.toArray(new FieldDescription[] {})); |
1056 |
|
1057 |
String sqlProv = "SELECT " + strAux + " FROM " |
1058 |
+ lyrDef.getComposedTableName() + " ";
|
1059 |
// + getLyrDef().getWhereClause();
|
1060 |
|
1061 |
if (canReproject(strEPSG)) {
|
1062 |
sqlAux = sqlProv + getCompoundWhere(sqlProv, r, strEPSG); |
1063 |
} else {
|
1064 |
sqlAux = sqlProv + getCompoundWhere(sqlProv, r, originalEPSG); |
1065 |
} |
1066 |
|
1067 |
System.out.println("SqlAux getFeatureIterator = " + sqlAux); |
1068 |
PostGisFeatureIterator geomIterator = null;
|
1069 |
geomIterator = myGetFeatureIterator(sqlAux); |
1070 |
geomIterator.setLyrDef(clonedLyrDef); |
1071 |
return geomIterator;
|
1072 |
} catch (Exception e) { |
1073 |
// e.printStackTrace();
|
1074 |
// SqlDriveExceptionType type = new SqlDriveExceptionType();
|
1075 |
// type.setDriverName("PostGIS Driver");
|
1076 |
// type.setSql(sqlAux);
|
1077 |
// type.setLayerName(getTableName());
|
1078 |
// type.setSchema(null);
|
1079 |
throw new ReadDriverException("PostGIS Driver", e); |
1080 |
|
1081 |
// throw new DriverException(e);
|
1082 |
} |
1083 |
} |
1084 |
|
1085 |
/*
|
1086 |
* public void preProcess() throws EditionException { writer.preProcess(); }
|
1087 |
*
|
1088 |
* public void process(IRowEdited row) throws EditionException {
|
1089 |
* writer.process(row); }
|
1090 |
*
|
1091 |
* public void postProcess() throws EditionException { writer.postProcess();
|
1092 |
* }
|
1093 |
*
|
1094 |
* public String getCapability(String capability) { return
|
1095 |
* writer.getCapability(capability); }
|
1096 |
*
|
1097 |
* public void setCapabilities(Properties capabilities) {
|
1098 |
* writer.setCapabilities(capabilities); }
|
1099 |
*
|
1100 |
* public boolean canWriteAttribute(int sqlType) { return
|
1101 |
* writer.canWriteAttribute(sqlType); }
|
1102 |
*
|
1103 |
* public boolean canWriteGeometry(int gvSIGgeometryType) { return
|
1104 |
* writer.canWriteGeometry(gvSIGgeometryType); }
|
1105 |
*
|
1106 |
* public void initialize(ITableDefinition layerDef) throws EditionException
|
1107 |
* { writer.setCreateTable(false); writer.setWriteAll(false); // Obtenemos
|
1108 |
* el DBLayerDefinition a partir del driver
|
1109 |
*
|
1110 |
* DBLayerDefinition dbLyrDef = getLyrDef();
|
1111 |
*
|
1112 |
*
|
1113 |
* writer.initialize(dbLyrDef); }
|
1114 |
*/
|
1115 |
public boolean isWritable() { |
1116 |
// CHANGE FROM CARTOLAB
|
1117 |
// return true;
|
1118 |
return writer.canSaveEdits();
|
1119 |
// END CHANGE CARTOLAB
|
1120 |
} |
1121 |
|
1122 |
public IWriter getWriter() {
|
1123 |
return writer;
|
1124 |
} |
1125 |
|
1126 |
public String[] getGeometryFieldsCandidates(IConnection conn, |
1127 |
String table_name) throws DBException { |
1128 |
ArrayList list = new ArrayList(); |
1129 |
try {
|
1130 |
Statement stAux = ((ConnectionJDBC) conn).getConnection()
|
1131 |
.createStatement(); |
1132 |
String[] tokens = table_name.split("\\u002E", 2); |
1133 |
String sql;
|
1134 |
if (tokens.length > 1) { |
1135 |
sql = "select * from GEOMETRY_COLUMNS WHERE F_TABLE_SCHEMA = '"
|
1136 |
+ tokens[0] + "' AND F_TABLE_NAME = '" + tokens[1] |
1137 |
+ "'";
|
1138 |
} else {
|
1139 |
sql = "select * from GEOMETRY_COLUMNS"
|
1140 |
+ " where F_TABLE_SCHEMA = current_schema() AND F_TABLE_NAME = '"
|
1141 |
+ table_name + "'";
|
1142 |
|
1143 |
} |
1144 |
|
1145 |
// String sql =
|
1146 |
// "SELECT * FROM GEOMETRY_COLUMNS WHERE F_TABLE_NAME = '"
|
1147 |
// + table_name + "'";
|
1148 |
|
1149 |
ResultSet rs = stAux.executeQuery(sql);
|
1150 |
while (rs.next()) {
|
1151 |
String geomCol = rs.getString("F_GEOMETRY_COLUMN"); |
1152 |
list.add(geomCol); |
1153 |
} |
1154 |
rs.close(); |
1155 |
stAux.close(); |
1156 |
} catch (SQLException e) { |
1157 |
closeConnection(conn); |
1158 |
throw new DBException(e); |
1159 |
} |
1160 |
return (String[]) list.toArray(new String[0]); |
1161 |
} |
1162 |
|
1163 |
// public String[] getTableFields(IConnection conex, String table) throws
|
1164 |
// DBException {
|
1165 |
// try{
|
1166 |
// Statement st = ((ConnectionJDBC)conex).getConnection().createStatement();
|
1167 |
// // ResultSet rs = dbmd.getTables(catalog, null,
|
1168 |
// dbLayerDefinition.getTable(), null);
|
1169 |
// ResultSet rs = st.executeQuery("select * from " + table + " LIMIT 1");
|
1170 |
// ResultSetMetaData rsmd = rs.getMetaData();
|
1171 |
//
|
1172 |
// String[] ret = new String[rsmd.getColumnCount()];
|
1173 |
//
|
1174 |
// for (int i = 0; i < ret.length; i++) {
|
1175 |
// ret[i] = rsmd.getColumnName(i+1);
|
1176 |
// }
|
1177 |
//
|
1178 |
// return ret;
|
1179 |
// }catch (SQLException e) {
|
1180 |
// throw new DBException(e);
|
1181 |
// }
|
1182 |
// }
|
1183 |
|
1184 |
private DBLayerDefinition cloneLyrDef(DBLayerDefinition lyrDef) {
|
1185 |
DBLayerDefinition clonedLyrDef = new DBLayerDefinition();
|
1186 |
|
1187 |
clonedLyrDef.setName(lyrDef.getName()); |
1188 |
clonedLyrDef.setFieldsDesc(lyrDef.getFieldsDesc()); |
1189 |
|
1190 |
clonedLyrDef.setShapeType(lyrDef.getShapeType()); |
1191 |
clonedLyrDef.setProjection(lyrDef.getProjection()); |
1192 |
|
1193 |
clonedLyrDef.setConnection(lyrDef.getConnection()); |
1194 |
clonedLyrDef.setCatalogName(lyrDef.getCatalogName()); |
1195 |
clonedLyrDef.setSchema(lyrDef.getSchema()); |
1196 |
clonedLyrDef.setTableName(lyrDef.getTableName()); |
1197 |
|
1198 |
clonedLyrDef.setFieldID(lyrDef.getFieldID()); |
1199 |
clonedLyrDef.setFieldGeometry(lyrDef.getFieldGeometry()); |
1200 |
clonedLyrDef.setWhereClause(lyrDef.getWhereClause()); |
1201 |
clonedLyrDef.setWorkingArea(lyrDef.getWorkingArea()); |
1202 |
clonedLyrDef.setSRID_EPSG(lyrDef.getSRID_EPSG()); |
1203 |
clonedLyrDef.setClassToInstantiate(lyrDef.getClassToInstantiate()); |
1204 |
|
1205 |
clonedLyrDef.setIdFieldID(lyrDef.getIdFieldID()); |
1206 |
clonedLyrDef.setDimension(lyrDef.getDimension()); |
1207 |
clonedLyrDef.setHost(lyrDef.getHost()); |
1208 |
clonedLyrDef.setPort(lyrDef.getPort()); |
1209 |
clonedLyrDef.setDataBase(lyrDef.getDataBase()); |
1210 |
clonedLyrDef.setUser(lyrDef.getUser()); |
1211 |
clonedLyrDef.setPassword(lyrDef.getPassword()); |
1212 |
clonedLyrDef.setConnectionName(lyrDef.getConnectionName()); |
1213 |
return clonedLyrDef;
|
1214 |
} |
1215 |
|
1216 |
public String getTotalFields() { |
1217 |
StringBuilder strAux = new StringBuilder(); |
1218 |
strAux.append(getGeometryField(getLyrDef().getFieldGeometry())); |
1219 |
String[] fieldNames = getLyrDef().getFieldNames(); |
1220 |
for (int i = 0; i < fieldNames.length; i++) { |
1221 |
strAux.append(", " + PostGIS.escapeFieldName(fieldNames[i]));
|
1222 |
} |
1223 |
return strAux.toString();
|
1224 |
} |
1225 |
|
1226 |
|
1227 |
/**
|
1228 |
* Gets all field names of a given table.
|
1229 |
*
|
1230 |
* This method comes from DefaultJDBC.java class. Postgis driver has no method to check
|
1231 |
* the status of the connection -if it is valid or not. So, as it's not possible to assure
|
1232 |
* its status, close the connection when an exception happens and re-open it on demand
|
1233 |
* on the proper method will solve the problems related to an invalid status.
|
1234 |
*
|
1235 |
* @param conn connection object
|
1236 |
* @param table_name table name
|
1237 |
* @return all field names of the given table
|
1238 |
* @throws SQLException
|
1239 |
*/
|
1240 |
@Override
|
1241 |
public String[] getAllFields(IConnection conn, String table_name) throws DBException { |
1242 |
Statement st = null; |
1243 |
ResultSet rs = null; |
1244 |
table_name = tableNameToComposedTableName(table_name); |
1245 |
|
1246 |
try {
|
1247 |
st = ((ConnectionJDBC)conn).getConnection().createStatement(); |
1248 |
rs = st.executeQuery("SELECT * FROM " + table_name + " LIMIT 1"); |
1249 |
ResultSetMetaData rsmd = rs.getMetaData();
|
1250 |
String[] ret = new String[rsmd.getColumnCount()]; |
1251 |
|
1252 |
for (int i = 0; i < ret.length; i++) { |
1253 |
ret[i] = rsmd.getColumnName(i+1);
|
1254 |
} |
1255 |
|
1256 |
return ret;
|
1257 |
} catch (SQLException e) { |
1258 |
// Next time getConnection() method is called it will be re-opened.
|
1259 |
// @see com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC.java;
|
1260 |
closeConnection(conn); |
1261 |
throw new DBException(e); |
1262 |
} |
1263 |
finally {
|
1264 |
closeResultSet(rs); |
1265 |
closeStatement(st); |
1266 |
} |
1267 |
} |
1268 |
|
1269 |
/**
|
1270 |
* Gets all field type names of a given table.
|
1271 |
*
|
1272 |
* This method comes from DefaultJDBC.java class. Postgis driver has no method to check
|
1273 |
* the status of the connection -if it is valid or not. So, as it's not possible to assure
|
1274 |
* its status, close the connection when an exception happens and re-open it on demand
|
1275 |
* on the proper method will solve the problems related to an invalid status.
|
1276 |
*
|
1277 |
* @param conn connection object
|
1278 |
* @param table_name table name
|
1279 |
* @return all field type names of the given table
|
1280 |
* @throws SQLException
|
1281 |
*/
|
1282 |
public String[] getAllFieldTypeNames(IConnection conn, String table_name) throws DBException { |
1283 |
Statement st = null; |
1284 |
ResultSet rs = null; |
1285 |
table_name = tableNameToComposedTableName(table_name); |
1286 |
try {
|
1287 |
st = ((ConnectionJDBC)conn).getConnection().createStatement(); |
1288 |
rs = st.executeQuery("SELECT * FROM " + table_name + " LIMIT 1"); |
1289 |
ResultSetMetaData rsmd = rs.getMetaData();
|
1290 |
String[] ret = new String[rsmd.getColumnCount()]; |
1291 |
|
1292 |
for (int i = 0; i < ret.length; i++) { |
1293 |
ret[i] = rsmd.getColumnTypeName(i+1);
|
1294 |
} |
1295 |
return ret;
|
1296 |
} catch (SQLException e) { |
1297 |
// Next time getConnection() method is called it will be re-opened.
|
1298 |
// @see com.iver.cit.gvsig.fmap.drivers.ConnectionJDBC.java;
|
1299 |
closeConnection(conn); |
1300 |
throw new DBException(e); |
1301 |
} |
1302 |
finally{
|
1303 |
closeStatement(st); |
1304 |
closeResultSet(rs); |
1305 |
} |
1306 |
} |
1307 |
|
1308 |
/**
|
1309 |
*
|
1310 |
* @param tableName
|
1311 |
* @return a string with the schema and the tableName quoted
|
1312 |
*/
|
1313 |
private String tableNameToComposedTableName(String tableName) { |
1314 |
String composedTableName = null; |
1315 |
// \u002E = unicode character for .
|
1316 |
String[] tokens = tableName.trim().replace("\"", "").split("\\u002E"); |
1317 |
|
1318 |
if (tokens.length == 1) { |
1319 |
composedTableName = "\"" + tokens[0] + "\""; |
1320 |
|
1321 |
} else if (tokens.length == 2) { |
1322 |
composedTableName = "\"" + tokens[0] + "\".\"" + tokens[1] + "\""; |
1323 |
} else {
|
1324 |
// this is a not predictable case, so we return the same
|
1325 |
composedTableName = tableName; |
1326 |
} |
1327 |
|
1328 |
return composedTableName;
|
1329 |
} |
1330 |
|
1331 |
/**
|
1332 |
* Close a ResultSet
|
1333 |
* @param rs, the resultset to be closed
|
1334 |
* @return true if the resulset was correctly closed. false in any other case
|
1335 |
*/
|
1336 |
public boolean closeResultSet(ResultSet rs) { |
1337 |
boolean error = false; |
1338 |
|
1339 |
if (rs != null) { |
1340 |
try {
|
1341 |
rs.close(); |
1342 |
error = true;
|
1343 |
} catch (SQLException e) { |
1344 |
logger.error(e.getMessage(), e); |
1345 |
} |
1346 |
} |
1347 |
|
1348 |
return error;
|
1349 |
} |
1350 |
|
1351 |
/**
|
1352 |
* Close a Statement
|
1353 |
* @param st, the statement to be closed
|
1354 |
* @return true if the statement was correctly closed, false in any other case
|
1355 |
*/
|
1356 |
public boolean closeStatement(Statement st) { |
1357 |
boolean error = false; |
1358 |
|
1359 |
if (st != null) { |
1360 |
try {
|
1361 |
st.close(); |
1362 |
error = true;
|
1363 |
} catch (SQLException e) { |
1364 |
logger.error(e.getMessage(), e); |
1365 |
} |
1366 |
} |
1367 |
|
1368 |
return error;
|
1369 |
} |
1370 |
|
1371 |
/**
|
1372 |
* Close a Connection
|
1373 |
* @param conn, the connection to be closed
|
1374 |
* @return true if the connection was correctly closed, false in any other case
|
1375 |
*/
|
1376 |
public boolean closeConnection(IConnection conn) { |
1377 |
boolean error = false; |
1378 |
|
1379 |
if (conn != null) { |
1380 |
try {
|
1381 |
conn.close(); |
1382 |
error = true;
|
1383 |
} catch (DBException e) {
|
1384 |
logger.error(e.getMessage(), e); |
1385 |
} |
1386 |
} |
1387 |
|
1388 |
return error;
|
1389 |
} |
1390 |
|
1391 |
/**
|
1392 |
* Tells if user can read contents of the table.
|
1393 |
*
|
1394 |
* @param iconn connection with the database where the user is connected
|
1395 |
* @param tablename to get the permissions over
|
1396 |
* @return true if can read, either false
|
1397 |
* @throws SQLException
|
1398 |
*/
|
1399 |
public boolean canRead(IConnection iconn, String tablename) throws SQLException { |
1400 |
String schema = null; |
1401 |
int dotPos = tablename.indexOf("."); |
1402 |
if (dotPos > -1) { |
1403 |
schema = tablename.substring(0, dotPos);
|
1404 |
} |
1405 |
tablename = tableNameToComposedTableName(tablename); |
1406 |
Connection conn = ((ConnectionJDBC) iconn).getConnection();
|
1407 |
boolean checkTable = true; |
1408 |
if (schema != null) { |
1409 |
if (!schemasUsage.containsKey(schema)) {
|
1410 |
String query = "SELECT has_schema_privilege('" + schema + "', 'USAGE') AS usg"; |
1411 |
Statement st = conn.createStatement();
|
1412 |
ResultSet rs = st.executeQuery(query);
|
1413 |
if (rs.next()) {
|
1414 |
schemasUsage.put(schema, rs.getBoolean("usg"));
|
1415 |
} else {
|
1416 |
//this sentence should never be executed...
|
1417 |
schemasUsage.put(schema, false);
|
1418 |
} |
1419 |
rs.close(); |
1420 |
st.close(); |
1421 |
} |
1422 |
checkTable = schemasUsage.get(schema); |
1423 |
} |
1424 |
if (checkTable) {
|
1425 |
String query = "SELECT has_table_privilege('" + tablename + "', 'SELECT') as selct"; |
1426 |
Statement st = conn.createStatement();
|
1427 |
ResultSet rs = st.executeQuery(query);
|
1428 |
if (rs.next()) {
|
1429 |
return rs.getBoolean("selct"); |
1430 |
} else {
|
1431 |
return false; |
1432 |
} |
1433 |
} else {
|
1434 |
return false; |
1435 |
} |
1436 |
} |
1437 |
|
1438 |
|
1439 |
private Integer getGidFieldIndex(String ret[]){ |
1440 |
for (int i=0; i<ret.length; i++) { |
1441 |
if (ret[i].equalsIgnoreCase("gid")) { |
1442 |
return new Integer(i); |
1443 |
} |
1444 |
} |
1445 |
return null; |
1446 |
} |
1447 |
|
1448 |
private void swapIndexes(String[] ret, int i, int j){ |
1449 |
if(i!=j && i>=0 && i<ret.length && j>=0 && j<ret.length){ |
1450 |
String aux = ret[i];
|
1451 |
ret[i] = ret[j]; |
1452 |
ret[j] = aux; |
1453 |
} |
1454 |
} |
1455 |
|
1456 |
public String[] getIdFieldsCandidates(IConnection conn, String table_name) throws DBException { |
1457 |
|
1458 |
String[] ret = getAllFields(conn, table_name); |
1459 |
|
1460 |
String pk = getPrimaryKey(conn, table_name);
|
1461 |
|
1462 |
if (!pk.equals("")){ |
1463 |
for (int i = 0; i < ret.length; i++) { |
1464 |
if (pk.equals(ret[i])) {
|
1465 |
//swap possible gid col with the first element
|
1466 |
//in order to make it the default selection on
|
1467 |
//combobox
|
1468 |
swapIndexes(ret, i, 0);
|
1469 |
break;
|
1470 |
} |
1471 |
} |
1472 |
} else {
|
1473 |
Integer gidFieldIndex = getGidFieldIndex(ret);
|
1474 |
if (gidFieldIndex!=null){ |
1475 |
//swap possible gid col with the first element
|
1476 |
//in order to make it the default selection on
|
1477 |
//combobox
|
1478 |
int index = gidFieldIndex.intValue();
|
1479 |
swapIndexes(ret, index, 0);
|
1480 |
} else {
|
1481 |
for (int i = 0; i < ret.length; i++) { |
1482 |
if (isAutoIncrement(conn, table_name, ret[i])) {
|
1483 |
//swap possible gid col with the first element
|
1484 |
//in order to make it the default selection on
|
1485 |
//combobox
|
1486 |
swapIndexes(ret, i, 0);
|
1487 |
break;
|
1488 |
} |
1489 |
} |
1490 |
} |
1491 |
} |
1492 |
return ret;
|
1493 |
} |
1494 |
|
1495 |
private boolean isAutoIncrement(IConnection con, String table_name, String colName) { |
1496 |
|
1497 |
String query = "SELECT column_default SIMILAR TO 'nextval%regclass%' AS isautoincremental " |
1498 |
+ "FROM information_schema.columns "
|
1499 |
+ "WHERE table_name = ? AND table_schema=? "
|
1500 |
+ "AND column_name=?";
|
1501 |
|
1502 |
try {
|
1503 |
// get schema and table from the composed tablename
|
1504 |
String[] tokens = table_name.split("\\u002E", 2); |
1505 |
String schema = ""; |
1506 |
String tableName = ""; |
1507 |
if (tokens.length == 1) { |
1508 |
tableName = tokens[0];
|
1509 |
} else {
|
1510 |
schema = tokens[0];
|
1511 |
tableName = tokens[1];
|
1512 |
} |
1513 |
|
1514 |
|
1515 |
Connection c = ((ConnectionJDBC)con).getConnection();
|
1516 |
PreparedStatement st = c.prepareStatement(query);
|
1517 |
st.setString(1, tableName);
|
1518 |
st.setString(2, schema);
|
1519 |
st.setString(3, colName);
|
1520 |
|
1521 |
ResultSet rs = st.executeQuery();
|
1522 |
boolean isAutoincrement = false; |
1523 |
if (rs.next()) {
|
1524 |
isAutoincrement = rs.getBoolean("isautoincremental");
|
1525 |
} |
1526 |
|
1527 |
rs.close(); |
1528 |
st.close(); |
1529 |
|
1530 |
return isAutoincrement;
|
1531 |
} catch (SQLException e) { |
1532 |
try {
|
1533 |
con.close(); |
1534 |
} catch (DBException e2) {
|
1535 |
// TODO Auto-generated catch block
|
1536 |
e.printStackTrace(); |
1537 |
} |
1538 |
return false; |
1539 |
|
1540 |
} |
1541 |
|
1542 |
|
1543 |
} |
1544 |
|
1545 |
private String getPrimaryKey(IConnection con, String table_name) { |
1546 |
|
1547 |
String query = "SELECT column_name FROM information_schema.key_column_usage" + |
1548 |
" WHERE table_name=? AND table_schema=? AND constraint_name=?";
|
1549 |
|
1550 |
try {
|
1551 |
// get schema and table from the composed tablename
|
1552 |
String[] tokens = table_name.split("\\u002E", 2); |
1553 |
String schema = ""; |
1554 |
String tableName = ""; |
1555 |
if (tokens.length == 1) { |
1556 |
tableName = tokens[0];
|
1557 |
} else {
|
1558 |
schema = tokens[0];
|
1559 |
tableName = tokens[1];
|
1560 |
} |
1561 |
|
1562 |
|
1563 |
Connection c = ((ConnectionJDBC)con).getConnection();
|
1564 |
PreparedStatement st = c.prepareStatement(query);
|
1565 |
st.setString(1, tableName);
|
1566 |
st.setString(2, schema);
|
1567 |
st.setString(3, tableName+"_pkey"); |
1568 |
|
1569 |
ResultSet rs = st.executeQuery();
|
1570 |
|
1571 |
String primaryKey = ""; |
1572 |
if (rs.next()) {
|
1573 |
primaryKey = rs.getString("column_name");
|
1574 |
} |
1575 |
|
1576 |
rs.close(); |
1577 |
st.close(); |
1578 |
|
1579 |
return primaryKey;
|
1580 |
} catch (SQLException e) { |
1581 |
try {
|
1582 |
con.close(); |
1583 |
} catch (DBException e2) {
|
1584 |
// TODO Auto-generated catch block
|
1585 |
e.printStackTrace(); |
1586 |
} |
1587 |
return ""; |
1588 |
} |
1589 |
} |
1590 |
|
1591 |
|
1592 |
public void validateData(IConnection _conn, DBLayerDefinition lyrDef) throws DBException { |
1593 |
|
1594 |
this.conn = _conn;
|
1595 |
lyrDef.setConnection(conn); |
1596 |
setLyrDef(lyrDef); |
1597 |
|
1598 |
getTableEPSG_and_shapeType(conn, lyrDef); |
1599 |
|
1600 |
getLyrDef().setSRID_EPSG(originalEPSG); |
1601 |
|
1602 |
try {
|
1603 |
((ConnectionJDBC) conn).getConnection().setAutoCommit(false);
|
1604 |
sqlOrig = "SELECT " + getTotalFields() + " FROM " |
1605 |
+ getLyrDef().getComposedTableName() + " ";
|
1606 |
// + getLyrDef().getWhereClause();
|
1607 |
if (canReproject(strEPSG)) {
|
1608 |
completeWhere = getCompoundWhere(sqlOrig, workingArea, strEPSG); |
1609 |
} else {
|
1610 |
completeWhere = getCompoundWhere(sqlOrig, workingArea, |
1611 |
originalEPSG); |
1612 |
} |
1613 |
// completeWhere = getLyrDef().getWhereClause() + completeWhere;
|
1614 |
|
1615 |
String sqlAux = sqlOrig + completeWhere + " ORDER BY " |
1616 |
+ getLyrDef().getFieldID(); |
1617 |
|
1618 |
sqlTotal = sqlAux; |
1619 |
logger.info("Cadena SQL:" + sqlAux);
|
1620 |
Statement st = ((ConnectionJDBC) conn).getConnection().createStatement(
|
1621 |
ResultSet.TYPE_SCROLL_INSENSITIVE,
|
1622 |
ResultSet.CONCUR_READ_ONLY);
|
1623 |
// st.setFetchSize(FETCH_SIZE);
|
1624 |
// myCursorId++;
|
1625 |
String temp_index_name = getTableName() + "_temp_wkb_cursor"; |
1626 |
st.execute("declare " + temp_index_name + " binary scroll cursor with hold for " |
1627 |
+ sqlAux); |
1628 |
rs = st.executeQuery("fetch forward 50 in " + temp_index_name);
|
1629 |
rs.close(); |
1630 |
st.execute("close " + temp_index_name);
|
1631 |
st.close(); |
1632 |
|
1633 |
} catch (SQLException e) { |
1634 |
|
1635 |
try {
|
1636 |
((ConnectionJDBC) conn).getConnection().rollback(); |
1637 |
} catch (SQLException e1) { |
1638 |
logger.warn("Unable to rollback connection after problem (" + e.getMessage() + ") in setData()"); |
1639 |
} |
1640 |
|
1641 |
try {
|
1642 |
if (rs != null) { rs.close(); } |
1643 |
} catch (SQLException e1) { |
1644 |
throw new DBException(e); |
1645 |
} |
1646 |
throw new DBException(e); |
1647 |
} |
1648 |
} |
1649 |
} |
1650 |
|
1651 |
// [eiel-gestion-conexiones]
|
1652 |
// [eiel-postgis-3d]
|
1653 |
|