Java Milliseconds getMillis(String dateStr)

Description

Returns the milli second part of the datetime.

License

Apache License

Declaration

private static int getMillis(String dateStr) 

Method Source Code

//package com.java2s;
/*/*from w  ww .  ja v  a  2  s .  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.
 */

public class Main {
    /**
     * Returns the milli second part of the datetime.
     */
    private static int getMillis(String dateStr) {
        int length = dateStr.length();
        if (length == 19) {
            // "1999-12-31 12:34:56", no milli second left
            return 0;
        } else if (length == 21) {
            // "1999-12-31 12:34:56.7", return 7
            return Integer.parseInt(dateStr.substring(20)) * 100;
        } else if (length == 22) {
            // "1999-12-31 12:34:56.78", return 78
            return Integer.parseInt(dateStr.substring(20)) * 10;
        } else if (length >= 23 && length <= 26) {
            // "1999-12-31 12:34:56.123" ~ "1999-12-31 12:34:56.123456"
            return Integer.parseInt(dateStr.substring(20, 23)) * 10;
        } else {
            return 0;
        }
    }
}

Related

1. getMillis()
2. getMillis()
3. getMillis(long ticks)
4. getMillis(long timeInMinutes)
5. getMillis(String _cal)
6. getMillis(String decimal)
7. getMillisDisplayable(long millis)
8. getMilliSecond(Date d1, Date d2)
9. getMillisecond(Date date)