DecimalFormats.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.turro.elephant.util;
 
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import org.turro.elephant.context.Application;
 
public class DecimalFormats {
 
  public static String format(Number value, String pattern) {
    if(value == null) return null;
    return new DecimalFormat(pattern, new DecimalFormatSymbols(Application.getUsedLocale())).format(value);
  }
 
  public static String format(Number value) {
    if(value == null) return null;
    return DecimalFormat.getNumberInstance(Application.getUsedLocale()).format(value);
  }
 
  public static String format(double value, String pattern) {
    return new DecimalFormat(pattern, new DecimalFormatSymbols(Application.getUsedLocale())).format(value);
  }
 
  public static String format(double value) {
    return DecimalFormat.getNumberInstance(Application.getUsedLocale()).format(value);
  }
 
  public static String format(long value, String pattern) {
    return new DecimalFormat(pattern, new DecimalFormatSymbols(Application.getUsedLocale())).format(value);
  }
 
  public static String format(long value) {
    return DecimalFormat.getIntegerInstance(Application.getUsedLocale()).format(value);
  }
 
  public static String formatCurrency(double value) {
    return DecimalFormat.getCurrencyInstance(Application.getUsedLocale()).format(value);
  }
 
  public static String formatPercent(double value) {
    return DecimalFormat.getPercentInstance(Application.getUsedLocale()).format(value);
  }
 
  public static String getStringFormat(int fractionDigits) {
    StringBuilder sb = new StringBuilder("#,##0");
    if(fractionDigits > 0) {
      sb.append(".");
      for(int i = 0; i < fractionDigits; i++) {
        sb.append("0");
      }
    }
    return sb.toString();
  }
 
  private DecimalFormats() {
  }
  
}