Android String Format formatVolume(Locale locale, String stringToFormat)

Description

Format String as a Volume WARNING: Only use this method to present data to the screen

License

Apache License

Parameter

Parameter	Description
locale	Locale
stringToFormat	String to format

Return

a string formatted as a volume with group separators (eg, 131.224.000) assuming the receiver is an int string read from XML

Declaration

public static String formatVolume(Locale locale, String stringToFormat)

Method Source Code

//package com.java2s;
/*/*ww w .  j a  va2s . c  om*/
 * (C) Copyright Itude Mobile B.V., The Netherlands
 * 
 * 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;
import java.text.DecimalFormatSymbols;

import java.util.Locale;

public class Main {
    /**
     * Format {@link String} as a Volume
     *  
     * WARNING: Only use this method to present data to the screen
     * 
     * @param locale {@link Locale}
     * @param stringToFormat  {@link String} to format
     * @return a string formatted as a volume with group separators (eg, 131.224.000) assuming the receiver is an int string read from XML
     */
    public static String formatVolume(Locale locale, String stringToFormat) {
        if (stringToFormat == null || stringToFormat.length() == 0) {
            return null;
        }

        String result = null;

        DecimalFormat formatter = new DecimalFormat();
        formatter.setDecimalFormatSymbols(new DecimalFormatSymbols(locale));

        formatter.setGroupingUsed(true);
        formatter.setGroupingSize(3);
        formatter.setMaximumFractionDigits(0);

        result = formatter.format(Double.parseDouble(stringToFormat));

        return result;
    }
}