Formatter.java :  » Web-Mail » claros-intouch2-2.2-beta » org » claros » commons » utility » Java Open Source

package org.claros.commons.utility;

import java.sql.Timestamp;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @author Umut Gkbayrak
 */
public class Formatter {

  private Formatter() {
    super();
  }

  /**
   * 
   * @param df
   * @param number
   * @return
   */
  private static String format(DecimalFormat df, Object number) {
    if (number == null) {
      return null;
    }
    number = Utility.checkDecimalFormat(number);

    DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
    dfs.setDecimalSeparator(',');
    dfs.setGroupingSeparator('.');
    df.setDecimalFormatSymbols(dfs);
    try {
      if (!number.equals("-")) {
        return df.format(Double.parseDouble(number.toString()));
      } else {
        return number.toString();
      }
    } catch (NumberFormatException e) {
      return number.toString();
    }
  }

  /**
   * 
   * @param number
   * @param groupingActive
   * @return
   */
  public static String formatDecimal(Object number, boolean groupingActive) {
    if (groupingActive) {
      return format(new DecimalFormat("#,##0.00"), number);
    } else {
      return format(new DecimalFormat("0.00"), number);
    }
  }

  /**
   * 
   * @param number
   * @param groupingActive
   * @return
   */
  public static String formatInteger(Object number, boolean groupingActive) {
    if (groupingActive) {
      return format(new DecimalFormat("#,##0"), number);
    } else {
      return format(new DecimalFormat("##0"), number);
    }
  }

  /**
   * 
   * @param number
   * @param groupingActive
   * @param digits
   * @return
   */
  public static String formatSensitive(Object number, boolean groupingActive, int digits) {
    String digitStr = "";
    for (int i = 0; i < digits; i++) {
      digitStr += "0";
    }
    if (groupingActive) {
      return format(new DecimalFormat("#,##0." + digitStr), number);
    } else {
      return format(new DecimalFormat("0." + digitStr), number);
    }
  }

  /**
   * 
   * @param number
   * @param pattern
   * @return
   */
  public static String formatWithPattern(Object number, String pattern) {
    return format(new DecimalFormat(pattern), number);
  }

  /**
   * 
   * @param date
   * @param pattern
   * @return
   */
  public static String formatDate(Object date, String pattern) {
    if (date != null && date instanceof Timestamp) {
      date = new Date(((Timestamp)date).getTime());
    }
    
    if (date != null && date instanceof Date) {
      SimpleDateFormat sdf = new SimpleDateFormat(pattern);
      return sdf.format(date);
    }
    return null;
  }

  /**
   * 
   * @param obj
   * @return
   */
  public static double getDouble(Object obj) {
    if (obj == null) {
      return 0;
    }
    obj = Utility.checkDecimalFormat(obj);
    try {
      return Double.parseDouble(obj.toString());
    } catch (NumberFormatException e) {
      return 0;
    }
  }
}