Java BigDecimal Format getFormatSizeByKB(long size)

Description

get Format Size By KB

License

Apache License

Declaration

public static String getFormatSizeByKB(long size) 

Method Source Code

//package com.java2s;
/*/*from  www. ja va 2 s  .  c om*/
 * Copyright 2015 lixiaobo
 *
 * VersionUpgrade project 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.math.BigDecimal;

public class Main {
    public static String getFormatSizeByKB(long size) {
        double kiloByte = size / 1024;
        if (kiloByte < 1) {
            return size + "KB";
        }

        double megaByte = kiloByte / 1024;
        if (megaByte < 1) {
            BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
            return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
        }

        double gigaByte = megaByte / 1024;
        if (gigaByte < 1) {
            BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
            return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
        }

        BigDecimal result4 = new BigDecimal(gigaByte);
        return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
    }
}

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6. isLess(float formateValue1, float formateValue2)
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