SlotsDatabaseUtil.java

/*
 * Copyright 2011-16 Fraunhofer ISE
 *
 * This file is part of OpenMUC.
 * For more information visit http://www.openmuc.org
 *
 * OpenMUC 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.
 *
 * OpenMUC 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 OpenMUC.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openmuc.framework.datalogger.slotsdb;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public final class SlotsDatabaseUtil {

    private final static Logger logger = LoggerFactory.getLogger(SlotsDatabaseUtil.class);

    public static void printWholeFile(File file) throws IOException {
        if (!file.getName().contains(SlotsDb.FILE_EXTENSION)) {
            System.err.println(file.getName() + " is not a \"" + SlotsDb.FILE_EXTENSION + "\" file.");
            return;
        }
        else {
            DataInputStream dis = new DataInputStream(new FileInputStream(file));
            try {
                if (file.length() >= 16) {
                    logger.debug("StartTimestamp: " + dis.readLong() + "  -  StepIntervall: " + dis.readLong());
                    while (dis.available() >= 9) {
                        logger.debug(dis.readDouble() + "  -\t  Flag: " + dis.readByte());
                    }
                }
            } finally {
                dis.close();
            }
        }
    }

    public static void printWholeFile(String filename) throws IOException {
        printWholeFile(new File(filename));
    }
}