Java Decimal Format getDecimalFormatter(int scale)

Description

Obtin un formatter pentru o anumita scara

License

Open Source License

Parameter

Parameter	Description
scale	a parameter

Declaration

public static NumberFormat getDecimalFormatter(int scale) 

Method Source Code

//package com.java2s;
/*/*  ww w  .j  a  v a 2s.  c o  m*/
 *
 * This file is part of Genome Artist.
 *
 * Genome Artist is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Genome Artist is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Genome Artist.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;

import java.util.Locale;

public class Main {
    public static final Locale LOCALE_RO = new Locale("ro", "RO");
    private static final String BASE_FORMATER_PATTERN = "##,##0";
    /**
     * Simbolurile asociate formaterului
     */
    private static DecimalFormatSymbols decimalFormatSymbols = null;
    /**
     * Formatez un numar la defaultul local
     * @param bigDecimal
     * @param scale
     * @return
     */
    private static DecimalFormat decimalFormater = null;
    private static int formaterScale = 0;

    /**
     * Obtin un formatter pentru o anumita scara
     * @param scale
     * @return
     */
    public static NumberFormat getDecimalFormatter(int scale) {
        if (scale != formaterScale)
            initializeDecimalFormat(scale);
        return decimalFormater;
    }

    /**
     * Initializez number formaterul
     * @param scale
     */
    private static void initializeDecimalFormat(int scale) {
        //Verific initializarea simbolurilor
        if (decimalFormatSymbols == null)
            initializeFormatSymbols();

        //Initializez formaterul
        if (formaterScale != scale) {
            String decimals = "";
            if (scale > 0)
                decimals = ".";
            for (int i = 0; i < scale; i++) {
                decimals += "0";
            }

            //Initializez formaterul
            decimalFormater = new DecimalFormat(BASE_FORMATER_PATTERN + decimals, decimalFormatSymbols);
        }
    }

    /**
     * Initializez simbolurile
     */
    private static void initializeFormatSymbols() {
        decimalFormatSymbols = new DecimalFormatSymbols(LOCALE_RO);
        decimalFormatSymbols.setDecimalSeparator('.');
        decimalFormatSymbols.setGroupingSeparator(',');
        decimalFormatSymbols.setMinusSign('-');
    }
}

Related

1. getDecimalFormatFix1()
2. getDecimalFormatSymbols( Locale locale)
3. getDecimalFormatSymbols(final Locale locale)
4. getDecimalFormattedNoQuote(String englishFormat)
5. getDecimalFormatter()
6. getDigitNumber(double p)
7. getDoubleAsString(double value)
8. getDoubleByNumeric(String valorTexto)
9. getDoubleDecimalNumber(double d)