Android Date to Long Convert dosToJavaTime(long dosTime)

Description

Converts DOS time to Java time (number of milliseconds since epoch).

License

Apache License

Declaration

public static long dosToJavaTime(long dosTime) 

Method Source Code

//package com.java2s;
/*/*  w w w  .ja  v  a 2s . co m*/
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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.Calendar;

public class Main {
    /**
     * Converts DOS time to Java time (number of milliseconds since
     * epoch).
     */
    public static long dosToJavaTime(long dosTime) {
        Calendar cal = Calendar.getInstance();
        // CheckStyle:MagicNumberCheck OFF - no point
        cal.set(Calendar.YEAR, (int) ((dosTime >> 25) & 0x7f) + 1980);
        cal.set(Calendar.MONTH, (int) ((dosTime >> 21) & 0x0f) - 1);
        cal.set(Calendar.DATE, (int) (dosTime >> 16) & 0x1f);
        cal.set(Calendar.HOUR_OF_DAY, (int) (dosTime >> 11) & 0x1f);
        cal.set(Calendar.MINUTE, (int) (dosTime >> 5) & 0x3f);
        cal.set(Calendar.SECOND, (int) (dosTime << 1) & 0x3e);
        // CheckStyle:MagicNumberCheck ON
        return cal.getTime().getTime();
    }
}

Related

1. parseDateToLong(String dateString)
2. parseDateToLong2(String dateString)
3. parseDateToLongString(String dateString)
4. geLongFromString(final String date)
5. getTime(String dateString)
6. dosToJavaTme(int dosTime)
7. getDateLong(Date date)