Android Open Source - makler Number Format Utils

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Back to project page makler.

License

The source code is released under:

GNU General Public License

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Java Source Code

package pl.net.newton.Makler.common;
// w  w w.  ja  v  a 2  s . com
import java.math.BigDecimal;
import java.text.NumberFormat;
import java.text.ParseException;

public final class NumberFormatUtils {
  private static final NumberFormat NF;

  static {
    NF = NumberFormat.getInstance(LocaleUtils.LOCALE);
    NF.setMaximumFractionDigits(2);
    NF.setGroupingUsed(true);
  }

  private NumberFormatUtils() {
  }

  public static String formatNumber(Double d) {
    if (d == null) {
      return "-";
    } else {
      return NF.format(d).replace('.', ',');
    }
  }

  public static String formatNumber(BigDecimal n) {
    if (n == null) {
      return "-";
    } else {
      return NF.format(n).replace('.', ',');
    }
  }

  public static String formatNumber(Integer n) {
    if (n == null) {
      return "-";
    } else {
      return NF.format(n).replace('.', ',');
    }
  }

  public static BigDecimal parse(String s) {
    String newString;
    newString = s.replaceAll("[^0-9.,-]", "");
    newString = newString.replace(',', '.');
    return new BigDecimal(newString);
  }

  public static BigDecimal parseOrNull(String s) {
    if (s == null) {
      return null;
    }
    try {
      return parse(s);
    } catch (NumberFormatException e) {
      return null;
    }
  }

  public static BigDecimal parserOrZero(String s) {
    BigDecimal b = parseOrNull(s);
    if (b == null) {
      return BigDecimal.ZERO;
    } else {
      return b;
    }
  }

  public static int parseInt(String s) {
    String newString;
    newString = s.replace(" ", "");
    return Integer.parseInt(newString);
  }

  public static Integer parseIntOrNull(String s) {
    if (s == null) {
      return null;
    }
    try {
      return parseInt(s);
    } catch (NumberFormatException e) {
      return null;
    }
  }

  public static int parseIntOrZero(String s) {
    Integer i = parseIntOrNull(s);
    if (i == null) {
      return 0;
    } else {
      return i;
    }
  }

  public static double parseDoubleOrZero(String s) {
    try {
      return NF.parse(s).doubleValue();
    } catch (ParseException e) {
      return 0.0;
    }
  }
}

Java Source Code List