rooms-android/app/src/main/java/com/nextcloud/talk/utils/TimeUtils.java

/*
 * Nextcloud Talk application
 *
 * @author Mario Danic
 * Copyright (C) 2017-2018 Mario Danic <mario@lovelyhq.com>
 *
 * 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 com.nextcloud.talk.utils;

import android.util.Log;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

public class TimeUtils {
    private static final String TAG = "TimeUtils";

    public static Date getDateCurrentTimeZone(long timestamp) {
        try{
            Calendar calendar = Calendar.getInstance();
            TimeZone tz = Calendar.getInstance().getTimeZone();
            calendar.setTimeInMillis(timestamp * 1000);
            calendar.add(Calendar.MILLISECOND, tz.getOffset(calendar.getTimeInMillis()));
            Date currentTimeZone = calendar.getTime();
            return currentTimeZone;
        } catch (Exception e) {
            Log.d(TAG, "Failed to convert time to local timezone");
        }
        return new Date();
    }

    public static String getDateStringCurrentTimeZone(long timestamp) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
        return simpleDateFormat.format(getDateCurrentTimeZone(timestamp));
    }
}