edu.harvard.hul.ois.fits.tools.utils.XsltFunctions.java Source code

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Here is the source code for edu.harvard.hul.ois.fits.tools.utils.XsltFunctions.java

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/* 
 * Copyright 2009 Harvard University Library
 * 
 * This file is part of FITS (File Information Tool Set).
 * 
 * FITS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * FITS 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with FITS.  If not, see <http://www.gnu.org/licenses/>.
 */
package edu.harvard.hul.ois.fits.tools.utils;

import org.apache.commons.io.FilenameUtils;

public class XsltFunctions {

    public static String getMessageString(String message, String subMessage, String severity, String offset) {

        if (subMessage != null && subMessage.length() > 0) {
            message = message + " " + subMessage;
        }
        if (severity != null && severity.length() > 0) {
            message = message + " severity=" + severity;
        }
        if (offset != null && offset.length() > 0) {
            message = message + " offset=" + offset;
        }

        return message;
    }

    /**
     * Assists with some of the streaming file types (wav/mp3/video) where
     * bitrate and total bytes are given
     * 
     * @param bytes
     * @param bytesPerSec
     */
    public static Object getDuration(double bytes, double bytesPerSec) {
        long msecs = (long) ((bytes / bytesPerSec) * 1000);
        return formatDuration(msecs);
    }

    private static final long SECS = 1000;

    private static final long MINS = SECS * 60;

    private static final long HRS = MINS * 60;

    public static String formatDuration(long number) {
        long hrs = number / HRS;
        number = number % HRS;
        long mins = number / MINS;
        number = number % MINS;
        long secs = number / SECS;
        number = number % SECS;

        return hrs + ":" + mins + ":" + secs + ":" + number;
    }

    public static String getFileNameFromUrl(String url) {
        return FilenameUtils.getName(url);
    }

    public static String getFileExtension(String url) {
        return FilenameUtils.getExtension(url);
    }

}