Java File Size Get prettyFileSize(long size)

Description

pretty File Size

License

Apache License

Declaration

public static String prettyFileSize(long size) 

Method Source Code

//package com.java2s;
/**//from w w  w  .j a v a  2  s.com
 * 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.text.DecimalFormat;

public class Main {
    public static String prettyFileSize(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(1024));
        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
    }
}

Related

1. getSize(long fileSize)
2. getSizeErrorMessage(String pattern, Long maxFileSize, Long fileSize, String fileName)
3. getStringSizeLengthFile(long size)
4. humanFileSize(Long longFileSize)
5. humanReadableFileSize(long size)
6. readableFileSize(final long size)
7. readableFileSize(long size)
8. readableFileSize(long size)
9. stringifyFileSize(double value)