Java Milliseconds readableTransferRate(long size, long millis)

Description

readable Transfer Rate

License

Apache License

Declaration

public static String readableTransferRate(long size, long millis) 

Method Source Code

//package com.java2s;
/*// ww w.  ja v  a2 s . c o  m
Copyright 2015 Alex Altoukhov
    
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.text.DecimalFormat;

public class Main {
    public static String readableTransferRate(long size, long millis) {
        double rate = size / ((double) millis);
        long rateInt = Math.round(rate) * 1000l;
        return readableFileSize(rateInt);
    }

    public static String readableFileSize(long size) {
        if (size <= 0)
            return "0";
        final String[] units = new String[] { "B", "kB", "MB", "GB", "TB" };
        int digitGroups = (int) (Math.log10(size) / Math.log10(1024l));
        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024l, digitGroups)) + " " + units[digitGroups];
    }
}

Related

1. nowMillis()
2. OLEDateToMillis(double dSerialDate)
3. parseDate(long milliseconds)
4. printTimeFromMilliseconds(long milliseconds)
5. putMillisToByteArray(byte[] buff, long value, int offset)
6. relTimestrMillis(long time)
7. resetHourMinSecMill(final Date date)
8. resetMilliseconds(long msec)
9. reverseTimeMillis(long currentTimeMillis)