org.jgrasstools.gears.io.geopaparazzi.geopap4.TimeUtilities Maven / Gradle / Ivy
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/*
* This file is part of JGrasstools (http://www.jgrasstools.org)
* (C) HydroloGIS - www.hydrologis.com
*
* JGrasstools 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.
*
* This program 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 this program. If not, see .
*/
package org.jgrasstools.gears.io.geopaparazzi.geopap4;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
/**
* Singleton utility for time management.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public enum TimeUtilities {
/**
* singleton instance.
*/
INSTANCE;
private static final String UTC = "UTC"; //$NON-NLS-1$
/**
*
*/
public final Locale dateLocale = Locale.US;
/**
*
*/
public final SimpleDateFormat TIMESTAMPFORMATTER_LOCAL = new SimpleDateFormat("yyyyMMdd_HHmmss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIMESTAMPFORMATTER_UTC = new SimpleDateFormat("yyyyMMdd_HHmmss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat DATEONLY_FORMATTER = new SimpleDateFormat("yyyy-MM-dd", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIMEONLY_FORMATTER = new SimpleDateFormat("HH:mm:ss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat iso8601Format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIME_FORMATTER_UTC = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIME_FORMATTER_LOCAL = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIME_FORMATTER_SQLITE_UTC = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIME_FORMATTER_SQLITE_LOCAL = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat TIME_FORMATTER_GPX_UTC = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", dateLocale); //$NON-NLS-1$
/**
*
*/
public final SimpleDateFormat EXIFFORMATTER = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss", dateLocale); //$NON-NLS-1$
private TimeUtilities() {
TIME_FORMATTER_SQLITE_UTC.setTimeZone(TimeZone.getTimeZone(UTC));
TIME_FORMATTER_GPX_UTC.setTimeZone(TimeZone.getTimeZone(UTC));
TIME_FORMATTER_UTC.setTimeZone(TimeZone.getTimeZone(UTC));
TIMESTAMPFORMATTER_UTC.setTimeZone(TimeZone.getTimeZone(UTC));
EXIFFORMATTER.setTimeZone(TimeZone.getTimeZone(UTC));
}
/**
* Converts a utc time string to local time.
*
* @param dateTime the date time string.
* @return the local time string.
* @throws Exception if something goes wrong.
*/
public static String utcToLocalTime( String dateTime ) throws Exception {
Date date = TimeUtilities.INSTANCE.TIME_FORMATTER_UTC.parse(dateTime);
return TimeUtilities.INSTANCE.TIME_FORMATTER_LOCAL.format(date);
}
}