/*
 * Copyright 2011-2014 the original author or authors.
 *
 * This program 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 <http://www.gnu.org/licenses/>.
 */

package devcoin.wallet.util;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import javax.annotation.Nonnull;

import android.annotation.SuppressLint;

/**
 * @author Andreas Schildbach
 */
@SuppressLint("SimpleDateFormat")
public class Iso8601Format extends SimpleDateFormat
{
	private static final TimeZone UTC = TimeZone.getTimeZone("UTC");

	private Iso8601Format(@Nonnull final String formatString)
	{
		super(formatString);

		setTimeZone(UTC);
	}

	public static DateFormat newTimeFormat()
	{
		return new Iso8601Format("HH:mm:ss");
	}

	public static DateFormat newDateFormat()
	{
		return new Iso8601Format("yyyy-MM-dd");
	}

	public static DateFormat newDateTimeFormat()
	{
		return new Iso8601Format("yyyy-MM-dd HH:mm:ss");
	}

	public static String formatDateTime(@Nonnull final Date date)
	{
		return newDateTimeFormat().format(date);
	}

	public static Date parseDateTime(@Nonnull final String source) throws ParseException
	{
		return newDateTimeFormat().parse(source);
	}

	public static DateFormat newDateTimeFormatT()
	{
		return new Iso8601Format("yyyy-MM-dd'T'HH:mm:ss'Z'");
	}

	public static String formatDateTimeT(@Nonnull final Date date)
	{
		return newDateTimeFormatT().format(date);
	}

	public static Date parseDateTimeT(@Nonnull final String source) throws ParseException
	{
		return newDateTimeFormatT().parse(source);
	}
}