Java Date to Time getTimeAsMilliSeconds(Date dateTime)

Description

Returns the seconds of the time without date {Category} TimestampUtil {talendTypes} Long {param} Date(today): The timestamp within a timeframe.

License

Apache License

Declaration

public static Long getTimeAsMilliSeconds(Date dateTime) 

Method Source Code

//package com.java2s;
/**/* w w w .j  ava2 s  . co  m*/
 * Copyright 2015 Jan Lolling jan.lolling@gmail.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Date;
import java.util.Locale;

public class Main {
    private static java.util.TimeZone utcTimeZone = null;

    /**
     * Returns the seconds of the time without date
     * 
     * {Category} TimestampUtil
     * 
     * {talendTypes} Long
     * 
     * {param} Date(today): The timestamp within a timeframe.
     * 
     * {example} getTimeAsMilliSeconds(new Date()).
     */
    public static Long getTimeAsMilliSeconds(Date dateTime) {
        if (dateTime != null) {
            java.util.Calendar c = java.util.Calendar
                    .getInstance(Locale.GERMAN);
            c.setTime(dateTime);
            c.setTimeZone(getUTCTimeZone());
            // cut minutes and seconds
            c.set(java.util.Calendar.YEAR, 1970);
            c.set(java.util.Calendar.DAY_OF_YEAR, 1);
            return c.getTime().getTime();
        } else {
            return null;
        }
    }

    private static java.util.TimeZone getUTCTimeZone() {
        if (utcTimeZone == null) {
            utcTimeZone = java.util.TimeZone.getTimeZone("UTC");
        }
        return utcTimeZone;
    }

    private static java.util.TimeZone getTimeZone(String idParam) {
        if (idParam == null || idParam.isEmpty()) {
            throw new IllegalArgumentException(
                    "id for time zone cannot be null or empty");
        }
        idParam = idParam.trim();
        String[] tzArray = java.util.TimeZone.getAvailableIDs();
        for (String id : tzArray) {
            if (id.equalsIgnoreCase(idParam)) {
                return java.util.TimeZone.getTimeZone(id);
            }
        }
        return null;
    }
}

Related

1. getTime(final Date date, final int day)
2. getTime(final Date time)
3. getTime(java.util.Date date)
4. getTime(java.util.Date date)
5. getTime(java.util.Date date)
6. getTimeAsString(Date date)
7. getTimeAsXsdDateTime(Date d)
8. getTimeBackInMillis(final int granularity, final int numberToBack, final Date date)
9. getTimeBoxValue(TimeZone zone, Date date)