DateFormatFactoryImpl.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library 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 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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.
 */

package com.liferay.portal.util;

import com.liferay.portal.kernel.security.pacl.DoPrivileged;
import com.liferay.portal.kernel.util.DateFormatFactory;
import com.liferay.portal.kernel.util.LocaleUtil;
import com.liferay.portal.kernel.util.PortalSimpleDateFormat;

import java.text.DateFormat;

import java.util.Locale;
import java.util.TimeZone;

/**
 * @author Brian Wing Shun Chan
 */
@DoPrivileged
public class DateFormatFactoryImpl implements DateFormatFactory {

	@Override
	public DateFormat getDate(Locale locale) {
		return getDate(locale, null);
	}

	@Override
	public DateFormat getDate(Locale locale, TimeZone timeZone) {
		DateFormat dateFormat = DateFormat.getDateInstance(
			DateFormat.SHORT, locale);

		if (timeZone != null) {
			dateFormat.setTimeZone(timeZone);
		}

		return dateFormat;
	}

	@Override
	public DateFormat getDate(TimeZone timeZone) {
		return getDate(LocaleUtil.getDefault(), timeZone);
	}

	@Override
	public DateFormat getDateTime(Locale locale) {
		return getDateTime(locale, null);
	}

	@Override
	public DateFormat getDateTime(Locale locale, TimeZone timeZone) {
		DateFormat dateFormat = DateFormat.getDateTimeInstance(
			DateFormat.SHORT, DateFormat.SHORT, locale);

		if (timeZone != null) {
			dateFormat.setTimeZone(timeZone);
		}

		return dateFormat;
	}

	@Override
	public DateFormat getDateTime(TimeZone timeZone) {
		return getDateTime(LocaleUtil.getDefault(), timeZone);
	}

	@Override
	public DateFormat getSimpleDateFormat(String pattern) {
		return getSimpleDateFormat(pattern, LocaleUtil.getDefault(), null);
	}

	@Override
	public DateFormat getSimpleDateFormat(String pattern, Locale locale) {
		return getSimpleDateFormat(pattern, locale, null);
	}

	@Override
	public DateFormat getSimpleDateFormat(
		String pattern, Locale locale, TimeZone timeZone) {

		DateFormat dateFormat = new PortalSimpleDateFormat(pattern, locale);

		if (timeZone != null) {
			dateFormat.setTimeZone(timeZone);
		}

		return dateFormat;
	}

	@Override
	public DateFormat getSimpleDateFormat(String pattern, TimeZone timeZone) {
		return getSimpleDateFormat(pattern, LocaleUtil.getDefault(), timeZone);
	}

	@Override
	public DateFormat getTime(Locale locale) {
		return getTime(locale, null);
	}

	@Override
	public DateFormat getTime(Locale locale, TimeZone timeZone) {
		DateFormat dateFormat = DateFormat.getTimeInstance(
			DateFormat.SHORT, locale);

		if (timeZone != null) {
			dateFormat.setTimeZone(timeZone);
		}

		return dateFormat;
	}

	@Override
	public DateFormat getTime(TimeZone timeZone) {
		return getTime(LocaleUtil.getDefault(), timeZone);
	}

}