svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.mdb / src / main / java / org / gvsig / fmap / dal / store / mdb / MDBHelper.java @ 45008
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2016 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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 3
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.fmap.dal.store.mdb; |
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import java.io.File; |
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import java.sql.Clob; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.text.MessageFormat; |
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import org.apache.commons.dbcp.BasicDataSource; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.GeometryExpressionBuilderHelper.GeometrySupportType; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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import org.gvsig.fmap.dal.store.mdb.operations.MDBOperationsFactory; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCConnectionParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCNewStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCServerExplorerParameters; |
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import org.gvsig.fmap.dal.store.jdbc.JDBCStoreParameters; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCCantFetchValueException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCDriverClassNotFoundException; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCServerExplorer; |
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import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCHelperBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCServerExplorerBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.SRSSolverDumb; |
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import org.gvsig.fmap.geom.Geometry; |
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//import org.h2.tools.Server;
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//import org.h2gis.ext.H2GISExtension;
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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@SuppressWarnings("UseSpecificCatch") |
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public class MDBHelper extends JDBCHelperBase { |
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static final Logger LOGGER = LoggerFactory.getLogger(MDBHelper.class); |
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public static final String MDB_JDBC_DRIVER = "net.ucanaccess.jdbc.UcanaccessDriver"; |
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public static String getConnectionURL(MDBConnectionParameters params) { |
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String connectionURL;
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String dbfilename = params.getFile().getAbsolutePath().replace("\\","/"); |
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// if( dbfilename!=null && dbfilename.endsWith(".mdb") ) {
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// dbfilename = dbfilename.substring(0, dbfilename.length()-3);
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// }
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StringBuilder commonParameters = new StringBuilder(); |
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// commonParameters.append(";MODE=PostgreSQL");
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// commonParameters.append(";SCHEMA=PUBLIC");
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// Integer LOCK_TIMEOUT = (Integer) params.getDynValue("LOCK_TIMEOUT");
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// if( LOCK_TIMEOUT!=null ) {
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// commonParameters.append(";LOCK_TIMEOUT=").append(LOCK_TIMEOUT);
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// }
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// Integer MULTI_THREADED = (Integer) params.getDynValue("MULTI_THREADED");
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// if( MULTI_THREADED!=null ) {
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// commonParameters.append(";MULTI_THREADED=").append(MULTI_THREADED);
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// }
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// Integer CHACHE_SIZE = (Integer) params.getDynValue("CHACHE_SIZE");
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// if( LOCK_TIMEOUT!=null ) {
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// commonParameters.append(";CHACHE_SIZE=").append(CHACHE_SIZE);
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// }
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// Integer LOG = (Integer) params.getDynValue("LOG");
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// if( LOCK_TIMEOUT!=null ) {
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// commonParameters.append(";LOG=").append(LOG);
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// }
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// Integer LOCK_MODE = (Integer) params.getDynValue("LOCK_MODE");
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// if( LOCK_TIMEOUT!=null ) {
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// commonParameters.append(";LOCK_MODE=").append(LOCK_MODE);
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// }
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if (!params.getFile().exists()) {
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commonParameters.append("newdatabaseversion=V2010;");
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} |
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commonParameters.append("showSchema=true;");
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// http://ucanaccess.sourceforge.net/site.html#examples
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connectionURL = MessageFormat.format(
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"jdbc:ucanaccess://{0};"+commonParameters.toString(),
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dbfilename |
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); |
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LOGGER.debug("connectionURL: {}", connectionURL);
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return connectionURL;
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} |
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public static class ConnectionProvider { |
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private static boolean needRegisterDriver = true; |
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private BasicDataSource dataSource = null; |
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private final MDBConnectionParameters connectionParameters; |
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// private static Server server = null;
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private static String server = null; |
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private static boolean startServer = true; |
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public ConnectionProvider(MDBConnectionParameters connectionParameters) {
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this.connectionParameters = connectionParameters;
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} |
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public static void stopServer() { |
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try {
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// server.shutdown();
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} catch(Throwable th) { |
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} |
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try {
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// server.stop();
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} catch(Throwable th) { |
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} |
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// server = null;
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startServer = true;
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LOGGER.info("MDB Server stopped" );
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} |
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private void startServer() { |
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if( startServer && server == null ) { |
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String port = "9123"; |
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// Server theServer;
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String s = System.getProperty("MDBPort"); |
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if( s!=null ) { |
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try {
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int n = Integer.parseInt(s); |
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port = String.valueOf(n);
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} catch(Throwable th) { |
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// Ignore port number, use default.
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} |
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} |
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if( System.getProperty("MDBAllowOthers")!=null ) { |
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// theServer = Server.createTcpServer("-tcpPort", port, "-tcpAllowOthers", "-ifExists");
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} else {
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// theServer = Server.createTcpServer("-tcpPort", port, "-ifExists");
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} |
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// theServer.start();
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// server = theServer;
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LOGGER.info("MDB Server started" );
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// LOGGER.info(" port :"+ server.getPort());
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// LOGGER.info(" URL :"+ server.getURL());
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// LOGGER.info(" status:"+ server.getStatus());
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// Tanto si consigue lanzar el server como si no, no lo vuelve a intentar
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startServer = false;
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} |
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} |
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@Override
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public String toString() { |
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StringBuilder builder = new StringBuilder(); |
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builder.append(" url=").append(connectionParameters.getUrl());
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builder.append(" driver name=").append(connectionParameters.getJDBCDriverClassName());
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builder.append(" user=").append(connectionParameters.getUser());
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return builder.toString();
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} |
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public Connection getConnection() throws SQLException { |
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File f = this.connectionParameters.getFile(); |
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boolean newdb = f!=null && !f.exists(); |
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if (this.dataSource == null) { |
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this.dataSource = this.createDataSource(); |
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} |
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Connection conn = this.dataSource.getConnection(); |
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//// try {
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////// conn.createStatement().execute("SELECT TOP 1 SRID FROM SPATIAL_REF_SYS");
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//// } catch(SQLException ex) {
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////// H2GISExtension.load(conn);
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//// }
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// try {
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//// conn.createStatement().execute("CREATE SCHEMA IF NOT EXISTS PUBLIC;SET SCHEMA PUBLIC");
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// } catch(SQLException ex) {
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// // Ignore this error.
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// }
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if (newdb) {
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//crea tablas
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//
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} |
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return conn;
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} |
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private BasicDataSource createDataSource() throws SQLException { |
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if (!this.isRegistered()) { |
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this.registerDriver();
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} |
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startServer(); |
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MDBConnectionParameters params = connectionParameters; |
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BasicDataSource ds = new BasicDataSource();
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ds.setDriverClassName(params.getJDBCDriverClassName()); |
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if( !StringUtils.isEmpty(params.getUser()) ) {
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ds.setUsername(params.getUser()); |
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} |
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if( !StringUtils.isEmpty(params.getPassword()) ) {
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ds.setPassword(params.getPassword()); |
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} |
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ds.setUrl(params.getUrl()); |
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ds.setMaxWait(60L * 1000); |
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return ds;
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} |
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private boolean isRegistered() { |
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return needRegisterDriver;
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} |
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public void registerDriver() throws SQLException { |
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String className = this.connectionParameters.getJDBCDriverClassName(); |
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if (className == null) { |
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return;
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} |
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try {
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Class theClass = Class.forName(className); |
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if (theClass == null) { |
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throw new JDBCDriverClassNotFoundException(MDBLibrary.NAME, className); |
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} |
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} catch (Exception e) { |
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throw new SQLException("Can't register JDBC driver '" + className + "'.", e); |
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} |
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needRegisterDriver = false;
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} |
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} |
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private ConnectionProvider connectionProvider = null; |
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/**
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* Constructor for use only for testing purposes.
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*/
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public MDBHelper() {
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super(null); |
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} |
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public MDBHelper(JDBCConnectionParameters connectionParameters) {
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super(connectionParameters);
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this.srssolver = new SRSSolverDumb(this); |
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} |
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@Override
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public synchronized Connection getConnection() throws AccessResourceException { |
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try {
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if (this.connectionProvider == null) { |
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MDBConnectionParameters connectionParameters = this.getConnectionParameters();
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if( connectionParameters==null ) { |
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return null; // Testing mode? |
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} |
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this.connectionProvider = new ConnectionProvider(connectionParameters); |
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} |
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Connection connection = this.connectionProvider.getConnection(); |
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if( LOGGER.isDebugEnabled() ) {
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LOGGER.debug("getConnection: connection = "+connection.hashCode()+ connectionProvider.toString());
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} |
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return connection;
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} catch (SQLException ex) { |
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throw new AccessResourceException(MDBLibrary.NAME, ex); |
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} |
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} |
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@Override
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public void closeConnection(Connection connection) { |
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if( connection!=null ) { // In test ??? |
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LOGGER.debug("closeConnection: connection = "+connection.hashCode());
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} |
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super.closeConnection(connection);
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} |
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@Override
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public MDBConnectionParameters getConnectionParameters() {
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return (MDBConnectionParameters) super.getConnectionParameters(); |
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} |
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@Override
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public String getConnectionURL() { |
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return getConnectionURL(this.getConnectionParameters()); |
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} |
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@Override
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protected String getResourceType() { |
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return MDBLibrary.NAME;
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} |
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@Override
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public String getProviderName() { |
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return MDBLibrary.NAME;
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} |
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@Override
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public JDBCSQLBuilderBase createSQLBuilder() {
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return new MDBSQLBuilder(this); |
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} |
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@Override
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public OperationsFactory getOperations() {
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if (this.operationsFactory == null) { |
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this.operationsFactory = new MDBOperationsFactory(this); |
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} |
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return operationsFactory;
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} |
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@Override
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public GeometrySupportType getGeometrySupportType() {
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return GeometrySupportType.WKB;
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} |
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@Override
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public boolean hasSpatialFunctions() { |
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return false; |
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} |
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@Override
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public boolean canWriteGeometry(int geometryType, int geometrySubtype) { |
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return true; |
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} |
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@Override
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public String getQuoteForIdentifiers() { |
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return "\""; |
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} |
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@Override
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public boolean allowAutomaticValues() { |
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return true; |
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} |
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@Override
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public boolean supportOffsetInSelect() { |
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return true; |
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} |
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@Override
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public String getQuoteForStrings() { |
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return "'"; |
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} |
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@Override
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public String getSourceId(JDBCStoreParameters parameters) { |
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return parameters.getDBName() + "." + |
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parameters.getSchema()+ "." +
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parameters.getTable(); |
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} |
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@Override
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public JDBCNewStoreParameters createNewStoreParameters() {
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return new MDBNewStoreParameters(); |
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} |
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@Override
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public JDBCStoreParameters createOpenStoreParameters() {
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return new MDBStoreParameters(); |
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} |
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@Override
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public JDBCServerExplorerParameters createServerExplorerParameters() {
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return new MDBExplorerParameters(); |
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} |
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@Override
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public JDBCServerExplorer createServerExplorer(
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JDBCServerExplorerParameters parameters, |
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DataServerExplorerProviderServices providerServices |
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) throws InitializeException {
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JDBCServerExplorer explorer = new JDBCServerExplorerBase(
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parameters, |
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providerServices, |
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this
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); |
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this.initialize(explorer, parameters, null); |
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return explorer;
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} |
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@Override
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public Geometry getGeometryFromColumn(ResultSet rs, int index) throws DataException { |
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try {
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Object value;
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Clob clob;
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String strGeom;
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switch (this.getGeometrySupportType()) { |
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case NATIVE:
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case WKB:
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clob = rs.getClob(index); |
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if (clob ==null) { |
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return null; |
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} |
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strGeom = new String(IOUtils.toCharArray(clob.getCharacterStream())); |
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clob.free(); |
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return this.getGeometryManager().createFrom(strGeom); |
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case EWKB:
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clob = rs.getClob(index); |
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if (clob ==null) { |
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return null; |
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} |
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strGeom = new String(IOUtils.toCharArray(clob.getCharacterStream())); |
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return this.getGeometryManager().createFrom(strGeom); |
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case WKT:
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default:
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value = rs.getString(index); |
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if (value == null) { |
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return null; |
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} |
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return this.getGeometryManager().createFrom((String) value); |
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} |
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} catch (Exception ex) { |
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throw new JDBCCantFetchValueException(ex); |
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} |
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} |
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} |