Java SQL Time From toTime2(int value, int fraction, int width)

Description

to Time

License

Apache License

Declaration

public static java.sql.Time toTime2(int value, int fraction, int width) 

Method Source Code

//package com.java2s;
/**/*from w w  w  .  ja  v  a2  s .c o  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 {
    public static java.sql.Time toTime2(int value, int fraction, int width) {
        final long millis = getMillisFromTime2(value);
        return new java.sql.Time(millis + (nanosForFractionalValue(fraction, width) / 1000000));
    }

    public static long getMillisFromTime2(int value) {
        final int h = (value >> 12) & 0x3FF;
        final int m = (value >> 6) & 0x3F;
        final int s = (value >> 0) & 0x3F;
        final Calendar c = Calendar.getInstance();
        c.set(1970, 0, 1, h, m, s);
        c.set(Calendar.MILLISECOND, 0);
        return c.getTimeInMillis();
    }

    public static int nanosForFractionalValue(int value, int width) {
        switch (width) {
        case 0:
            return 0;
        case 1:
            return value * 10000000;
        case 2:
            return value * 100000;
        case 3:
            return value * 1000;
        default:
            throw new RuntimeException("unexpected number of fractional bytes");
        }
    }
}

Related

1. toTime(Object object, Object oDefault)
2. toTime(Object value)
3. toTime(String format, String str)
4. toTime(String str)
5. toTime(String value)
6. toTime2(int value, int nanos)
7. toTimeIso(Date date)