001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.jackcess;
025    
026    import java.io.File;
027    import java.io.IOException;
028    
029    import org.ujmp.core.exceptions.MatrixException;
030    
031    import com.healthmarketscience.jackcess.Database;
032    
033    public class LinkMatrixMDB {
034    
035            public static final JackcessDenseObjectMatrix2D toFile(File file, Object... parameters)
036                            throws MatrixException, IOException {
037                    String tablename = null;
038                    if (parameters.length != 0) {
039                            tablename = parameters[0].toString();
040                    } else {
041                            Database db = Database.open(file);
042                            tablename = db.getTableNames().iterator().next();
043                            db.close();
044                    }
045                    return new JackcessDenseObjectMatrix2D(file, tablename);
046            }
047    
048    }