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/**
 * H2GIS is a library that brings spatial support to the H2 Database Engine
 * .
 *
 * H2GIS is distributed under GPL 3 license. It is produced by CNRS
 * .
 *
 * H2GIS 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 3 of the License, or (at your option) any later
 * version.
 *
 * H2GIS 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
 * H2GIS. If not, see .
 *
 * For more information, please consult: 
 * or contact directly: info_at_h2gis.org
 */

package org.h2gis.drivers.tsv;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import org.h2gis.drivers.utility.FileUtil;
import org.h2gis.h2spatialapi.AbstractFunction;
import org.h2gis.h2spatialapi.EmptyProgressVisitor;
import org.h2gis.h2spatialapi.ScalarFunction;
import org.h2gis.utilities.URIUtility;

/**
 * Read a Tab-separated values file
 * @author Erwan Bocher
 */
public class TSVRead  extends AbstractFunction implements ScalarFunction{

    public TSVRead() {
        addProperty(PROP_REMARKS, "Read a Tab-separated values file.");
    }

    @Override
    public String getJavaStaticMethod() {
        return "readTSV";
    }

    /**
     * Copy data from TSV File into a new table in specified connection.
     * @param connection
     * @param fileName
     * @param tableReference
     * @throws SQLException
     * @throws FileNotFoundException
     * @throws IOException 
     */
    public static void readTSV(Connection connection, String fileName, String tableReference) throws SQLException, FileNotFoundException, IOException {
        File file = URIUtility.fileFromString(fileName);
        if (FileUtil.isFileImportable(file, "tsv")) {
            TSVDriverFunction tsvDriver = new TSVDriverFunction();
            tsvDriver.importFile(connection, tableReference, file, new EmptyProgressVisitor());
        }
    }

    /**
     * Copy data from TSV File into a new table in specified connection.
     * @param connection
     * @param fileName
     * @throws IOException
     * @throws SQLException 
     */
    public static void readTSV(Connection connection, String fileName) throws IOException, SQLException {
        final String name = URIUtility.fileFromString(fileName).getName();
        readTSV(connection, fileName, name.substring(0, name.lastIndexOf(".")).toUpperCase());
    }
}




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