Java File Size Get readableFileSize(long size)

Description

readable File Size

License

Apache License

Declaration

public static String readableFileSize(long size) 

Method Source Code

//package com.java2s;
/*// www . j a  v a2  s  .  c  om
 * Copyright 2014-2015 See AUTHORS file.
 *
 * 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 {
    private static final String[] UNITS = new String[] { "B", "KB", "MB", "GB", "TB", "EB" };

    public static String readableFileSize(long size) {
        if (size <= 0)
            return "0 B";
        int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)).replace(",", ".") + " "
                + UNITS[digitGroups];
    }
}

Related

1. humanFileSize(Long longFileSize)
2. humanReadableFileSize(long size)
3. prettyFileSize(long size)
4. readableFileSize(final long size)
5. readableFileSize(long size)
6. stringifyFileSize(double value)
7. toFileSize(final long longSize, final int decimalPos)