| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 Prodevelop and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *   Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   Prodevelop Integraci?n de Tecnolog?as SL

 *   Conde Salvatierra de ?lava , 34-10

 *   46004 Valencia

 *   Spain

 *

 *   +34 963 510 612

 *   +34 963 510 968

 *   gis@prodevelop.es

 *   http://www.prodevelop.es

 */

package es.prodevelop.cit.gvsig.jdbc_spatial;

import com.iver.cit.gvsig.fmap.drivers.DBLayerDefinition;

import com.iver.cit.gvsig.fmap.drivers.jdbc.postgis.PostGisDriver;

import com.iver.cit.gvsig.fmap.layers.LayerFactory;

import com.iver.utiles.extensionPoints.IExtensionBuilder;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

import java.util.Map;

/**

 * Creates a Postgis FLyrVect from a set of params

 * (URL, user name, password, ...). The catalog

 * extension uses this class to load a new layer

 * from a metadata.

 * @author Jorge Piera Llodr? (piera_jor@gva.es)

 */

public class JDBCLayerBuilder implements IExtensionBuilder {

    public JDBCLayerBuilder() {

        super();

    }

    public Object create() {

        // TODO Auto-generated method stub

        return null;

    }

    public Object create(Object[] args) {

        // TODO Auto-generated method stub

        return null;

    }

    public Object create(Map args) {

        String dbURL = (String) args.get("DBURL");

        String user = (String) args.get((String) "USER");

        String pwd = (String) args.get((String) "PASSWORD");

        String layerName = (String) args.get((String) "NAME");

        String fidField = (String) args.get((String) "ID");

        String sFields = (String) args.get((String) "FIELDS");

        String[] fields = sFields.split(",");

        String geomField = (String) args.get((String) "GEOMFIELD");

        String tableName = (String) args.get((String) "TABLENAME");

        String whereClause = (String) args.get((String) "WHERECLAUSE");

        Connection conn;

        try {

            conn = DriverManager.getConnection(dbURL, user, pwd);

            conn.setAutoCommit(false);

        }

        catch (SQLException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

            return null;

        }

        DBLayerDefinition lyrDef = new DBLayerDefinition();

        lyrDef.setName(layerName);

        lyrDef.setTableName(tableName);

        lyrDef.setWhereClause(whereClause);

        lyrDef.setFieldNames(fields);

        lyrDef.setFieldGeometry(geomField);

        lyrDef.setFieldID(fidField);

        PostGisDriver pgd = new PostGisDriver();

        pgd.setData(conn, lyrDef);

        return LayerFactory.createDBLayer(pgd, layerName, null);

    }

}