com.tmetrics.util.Localization.java Source code

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Here is the source code for com.tmetrics.util.Localization.java

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/*******************************************************************************
 * This file is part of Tmetrics.
 *
 * Tmetrics 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.
 *
 * Tmetrics 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 Tmetrics. If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package com.tmetrics.util;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import org.joda.time.Duration;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.PeriodFormatter;
import org.joda.time.format.PeriodFormatterBuilder;

/**
 * A utility class offering functionality for localization and time.
 * @author Torsten
 */
public class Localization {

    // UTC calendar
    public static Calendar UTC = Calendar.getInstance(TimeZone.getTimeZone("UTC"));

    // Local calendar
    public static Calendar LOCAL = Calendar.getInstance(TimeZone.getDefault());

    // Used for converting SQL Time to joda-time Duration
    public static final PeriodFormatter DURATION_FORMATTER = new PeriodFormatterBuilder().printZeroIfSupported()
            .minimumPrintedDigits(2).appendHours().appendSeparator(":").printZeroIfSupported()
            .minimumPrintedDigits(2).appendMinutes().appendSeparator(":").printZeroIfSupported()
            .minimumPrintedDigits(2).appendSeconds().toFormatter();

    // Used for converting a datetime to a duration
    public static final PeriodFormatter DURATION_DATE_FORMATTER = new PeriodFormatterBuilder().appendYears()
            .appendSeparator("-").appendMonths().appendSeparator("-").appendDays().appendSeparator(" ")
            .appendHours().appendSeparator(":").appendMinutes().appendSeparator(":").appendSeconds().toFormatter();

    public static DateFormat DATEANDTIME_FORMATTER = new SimpleDateFormat("YYYY-MM-dd HH:mm:ss");

    public static final DateTimeFormatter DATETIME_FORMATTER = DateTimeFormat.forPattern("YYYY-MM-dd");

    /**
     * Returns a stringified version of the given duration in the form of
     * HH:mm:ss.
     * @param duration The duration to be stringified.
     * @return A stringified version of the given duration.
     */
    public static String printDuration(Duration duration) {
        return Localization.DURATION_FORMATTER.print(duration.toPeriod());
    }

    /**
     * Returns the stringified current time in the format YYYY-MM-dd HH:mm:ss.
     * @return The stringified current time.
     */
    public static String now() {
        return Localization.DATEANDTIME_FORMATTER.format(new Date());
    }
}