Java Number Format Pattern getNumberFormat(BigDecimal num, final int digits)

Description

get Number Format

License

Apache License

Declaration

public static String getNumberFormat(BigDecimal num, final int digits) 

Method Source Code

//package com.java2s;
/*/*from  w  ww .  j av  a2  s  .co  m*/
 * Copyright 2002-2006 the original author or authors.
 *
 * 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.math.BigDecimal;

import java.text.NumberFormat;

public class Main {

    public static String getNumberFormat(final float num, final int digits) {
        String thenum;
        final NumberFormat nf = NumberFormat.getInstance();
        nf.setMaximumFractionDigits(digits);
        nf.setMinimumFractionDigits(digits);
        thenum = nf.format(num).toString();
        return thenum;
    }

    public static String getNumberFormat(final double num, final int digits) {
        String thenum;
        final NumberFormat nf = NumberFormat.getInstance();
        nf.setMaximumFractionDigits(digits);
        nf.setMinimumFractionDigits(digits);
        thenum = nf.format(num).toString();
        return thenum;
    }

    public static String getNumberFormat(BigDecimal num, final int digits) {
        String thenum = "";
        if (num == null) {
            num = new BigDecimal(0);
        }
        try {
            final NumberFormat nf = NumberFormat.getInstance();
            nf.setMaximumFractionDigits(digits);
            nf.setMinimumFractionDigits(digits);
            thenum = nf.format(num).toString();
        } catch (final NumberFormatException nfex) {
            throw new NumberFormatException(nfex.toString());
        }
        return thenum;
    }
}

Related

1. getNeptusIntegerFormat()
2. getNumber(final Map map, final Object key)
3. getNumberComma(String number)
4. getNumberFormat()
5. getNumberFormat()
6. getNumberFormat(double d)
7. getNumberFormat(final String pattern)
8. getNumberFormat(int maximumFractionDigits)
9. getNumberFormat(String format, Locale locale)