Examples of java.text.NumberFormat.format()

java.text.NumberFormat.format()
Formats a number and appends the resulting text to the given string buffer. The number can be of any subclass of {@link java.lang.Number}.
This implementation extracts the number's value using {@link java.lang.Number#longValue()} for all integral type values thatcan be converted to long without loss of information, including BigInteger values with a {@link java.math.BigInteger#bitLength() bit length} of less than 64,and {@link java.lang.Number#doubleValue()} for all other types. Itthen calls {@link #format(long,java.lang.StringBuffer,java.text.FieldPosition)}or {@link #format(double,java.lang.StringBuffer,java.text.FieldPosition)}. This may result in loss of magnitude information and precision for BigInteger and BigDecimal values. @param number the number to format @param toAppendTo the StringBuffer to which the formattedtext is to be appended @param pos On input: an alignment field, if desired.On output: the offsets of the alignment field. @return the value passed in as toAppendTo @exception IllegalArgumentException if number isnull or not an instance of Number. @exception NullPointerException if toAppendTo orpos is null @exception ArithmeticException if rounding is needed with roundingmode being set to RoundingMode.UNNECESSARY @see java.text.FieldPosition

    } else if (secs != 0) {
      NumberFormat format = NumberFormat.getInstance();
      format.setMinimumFractionDigits(2);
      format.setMaximumFractionDigits(2);


      String asString = format.format(secs + millis / 1000.0);


      return asString + " sec";
    } else {
      return millis + " millis";
    }

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        if (cache_index < cached_number_formats.length) {
          cached_number_formats[cache_index] = nf;
        }
      }


      return nf.format(tValue);
    }
  
}

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    else if (!sCurrency.equals(sCurr)) {
      oCurr = Currency.getInstance(sCurrency);
    }
    NumberFormat oFmtC = NumberFormat.getCurrencyInstance(oLoc);
    oFmtC.setCurrency(oCurr);
    return oFmtC.format(oDec.doubleValue());
  }


  // ----------------------------------------------------------


  /**

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    else if (!sCurrency.equals(sCurr)) {
      oCurr = Currency.getInstance(sCurrency);
    }
    NumberFormat oFmtC = NumberFormat.getCurrencyInstance(oLoc);
    oFmtC.setCurrency(oCurr);
    return oFmtC.format(oDec.doubleValue());
  }


  // ----------------------------------------------------------
  /**
   * Format a BigDecimal as a String following the rules for an specific locale

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    if (null==oLocale)
      oFmtC = NumberFormat.getCurrencyInstance(Locale.getDefault());
    else
      oFmtC = NumberFormat.getCurrencyInstance(oLocale);
    oFmtC.setCurrency(oCurr);
    return oFmtC.format(oDec.doubleValue());
  } // formatCurrency


  // ----------------------------------------------------------


  /**

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      oLoc = new Locale(sLanguage);
    else
      oLoc = Locale.getDefault();
    NumberFormat oFmtC = NumberFormat.getCurrencyInstance(oLoc);
    oFmtC.setCurrency(currencyCode().currency());
    return oFmtC.format(doubleValue());
  } // format


  // ---------------------------------------------------------------------------


  public String toString () {

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    integerFormat.setMaximumFractionDigits(0);
    if (abortedMeasureCount > 0) {
      buffer.append(lineSeparator);


      appendLabel(buffer, "Aborted " + mUnit, minLabelLength);
      buffer.append(integerFormat.format(abortedMeasureCount) + " " + mUnit + " (");


      // Ausgeben, wieviel % der Messungen fehl schlugen
      int total = abortedMeasureCount + measureCount;
      double errorPercent = (double) abortedMeasureCount / (double) total;
      buffer.append(RegainToolkit.toPercentString(errorPercent));

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    }
    if (measureCount > 0) {
      buffer.append(lineSeparator);


      appendLabel(buffer, "Completed " + mUnit, minLabelLength);
      buffer.append(integerFormat.format(measureCount) + " " + mUnit + lineSeparator);


      appendLabel(buffer, "Total time", minLabelLength);
      buffer.append(RegainToolkit.toTimeString(totalTime) + lineSeparator);


      appendLabel(buffer, "Total data", minLabelLength);

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      buffer.append(RegainToolkit.bytesToString(dataRatePerSec) + "/sec" + lineSeparator);


      appendLabel(buffer, "Output", minLabelLength);
      if (countsPerMinute > 10) {
        // No decimals when the count is high
        buffer.append(integerFormat.format(countsPerMinute) + " " + mUnit + "/min");
      } else {
        NumberFormat floatingFormat = NumberFormat.getInstance();
        floatingFormat.setMinimumFractionDigits(2);
        floatingFormat.setMaximumFractionDigits(2);
        buffer.append(floatingFormat.format(countsPerMinute) + " " + mUnit + "/min");

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        buffer.append(integerFormat.format(countsPerMinute) + " " + mUnit + "/min");
      } else {
        NumberFormat floatingFormat = NumberFormat.getInstance();
        floatingFormat.setMinimumFractionDigits(2);
        floatingFormat.setMaximumFractionDigits(2);
        buffer.append(floatingFormat.format(countsPerMinute) + " " + mUnit + "/min");
      }
    }


    return buffer.toString();
  }

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