Java Fraction Format formatData(double aAmount)

Description

Format the amount of data in bytes to a nice readable string

License

Apache License

Parameter

Parameter	Description
aAmount	the amount in bytes

Return

a nice data size string

Declaration

public static String formatData(double aAmount) 

Method Source Code

//package com.java2s;
/*//from   w  w  w .j ava 2  s.  co m
 *  Copyright 2006 The National Library of New Zealand
 *
 *  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 {
    /**
     * Format the amount of data in bytes to a nice readable string
     * @param aAmount the amount in bytes
     * @return a nice data size string
     */
    public static String formatData(double aAmount) {
        DecimalFormat df = new DecimalFormat("#,###,###.##");
        String type = "";
        double niceDataDown = 0;
        double dataDown = aAmount;

        if (dataDown < 1024) {
            niceDataDown = dataDown;
            type = " bytes";
        } else if ((dataDown / 1024) < 1024) {
            niceDataDown = dataDown / 1024;
            type = " KB";
        } else if ((dataDown / (1024 * 1024)) < 1024) {
            niceDataDown = dataDown / (1024 * 1024);
            type = " MB";
        } else if ((dataDown / (1024 * 1024 * 1024)) < 1024) {
            niceDataDown = dataDown / (1024 * 1024 * 1024);
            type = " GB";
        }

        return df.format(niceDataDown) + type;
    }
}

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2. formatBytes(final double bytes)
3. formatCoordinates(double lat, double lon)
4. formatCPUUtilization(double d)
5. formatD(double d)
6. formatDataValue(double value)
7. formatDecimal(double dtSource, String nbit)
8. formatDecimal(double number)
9. formatDecimal(double numToFormat)