Java Code Examples for java.text.DecimalFormat#setNegativePrefix()

The following examples show how to use java.text.DecimalFormat#setNegativePrefix() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GenericConverter.java    From sailfish-core with Apache License 2.0 6 votes vote down vote up 
public static <T extends Number> byte[] convertSignedNumericToArray(int length, T value, int precision )
{

       // Pattern for fractional part
	char[] arrFractional = new char[precision];
	Arrays.fill(arrFractional, '0');

	// Pattern for mantissa
	char[] arrMantissa = new char[length - 1 - precision ];
	Arrays.fill(arrMantissa, '0');

	String patternDesired = String.format( "%s.%s", new String(arrMantissa), new String(arrFractional));
	DecimalFormat formatter = new DecimalFormat(patternDesired );
	formatter.setPositivePrefix("+");
	formatter.setNegativePrefix("-");
	formatter.setGroupingUsed(false);
	String formattedValue = formatter.format(value);
	DecimalFormatSymbols decimalFormatSymbol = formatter.getDecimalFormatSymbols();
	formattedValue = formattedValue.replace(String.valueOf(decimalFormatSymbol.getDecimalSeparator()), "");
       return formattedValue.getBytes(charsetISO_8859);
}
Example 2
Source File: GenericConverter.java    From sailfish-core with Apache License 2.0 6 votes vote down vote up 
public static <T extends Number> byte[] convertUnsignedNumericToArray(int length, T value, int precision )
{

       // Pattern for fractional part
	char[] arrFractional = new char[precision];
	Arrays.fill(arrFractional, '0');

	// Pattern for mantissa
	char[] arrMantissa = new char[length - precision ];
	Arrays.fill(arrMantissa, '0');

	String patternDesired = String.format( "%s.%s", new String(arrMantissa), new String(arrFractional));
	DecimalFormat formatter = new DecimalFormat(patternDesired );
	formatter.setPositivePrefix("");
	formatter.setNegativePrefix("");
	formatter.setGroupingUsed(false);
	String formattedValue = formatter.format(value);
	DecimalFormatSymbols decimalFormatSymbol = formatter.getDecimalFormatSymbols();
	formattedValue = formattedValue.replace(String.valueOf(decimalFormatSymbol.getDecimalSeparator()), "");
       return formattedValue.getBytes(charsetISO_8859);
}
Example 3
Source File: FloatingPointFormat.java    From tsml with GNU General Public License v3.0 5 votes vote down vote up 
public FloatingPointFormat( int w, int d ) {
  width = w;
  decimal = d;
  nf = new DecimalFormat( pattern(w, d) );
  nf.setPositivePrefix(" ");
  nf.setNegativePrefix("-");
}
Example 4
Source File: ExponentialFormat.java    From tsml with GNU General Public License v3.0 5 votes vote down vote up 
public ExponentialFormat( int digits, int exp, boolean sign, 
	    boolean trailing ) {
  this.digits = digits;
  this.exp = exp;
  this.sign = sign;
  this.trailing = trailing;
  nf = new DecimalFormat( pattern() );
  nf.setPositivePrefix("+");
  nf.setNegativePrefix("-");
}
Example 5
Source File: FloatingPointFormat.java    From KEEL with GNU General Public License v3.0 5 votes vote down vote up 
/**
   * Constructor. Creates a FloatingPointFormat with the given values width and decimal size.
   * @param w width given.
   * @param d decimal size given.
   */
  public FloatingPointFormat( int w, int d ) {
  width = w;
  decimal = d;
  nf = new DecimalFormat( pattern(w, d) );
  nf.setPositivePrefix(" ");
  nf.setNegativePrefix("-");
}
Example 6
Source File: ExponentialFormat.java    From KEEL with GNU General Public License v3.0 5 votes vote down vote up 
/**
   ** Constructor. Creates a ExponentialFormat with the given arguments.
   * @param digits given base size.
   * @param exp given exponent size.
   * @param sign given sign flag.
   * @param trailing given trailing flag.
   */
  public ExponentialFormat( int digits, int exp, boolean sign, 
	    boolean trailing ) {
  this.digits = digits;
  this.exp = exp;
  this.sign = sign;
  this.trailing = trailing;
  nf = new DecimalFormat( pattern() );
  nf.setPositivePrefix("+");
  nf.setNegativePrefix("-");
}
Example 7
Source File: DecimalFormatTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up 
public void test_setNegativePrefix() throws Exception {
    DecimalFormat format = new DecimalFormat();
    assertEquals("-", format.getNegativePrefix());

    format.setNegativePrefix("NegPrf");
    assertEquals("NegPrf", format.getNegativePrefix());
    assertTrue(format.parse("NegPrf123.45").doubleValue() == -123.45);
    format.setNegativePrefix("");
    assertEquals("", format.getNegativePrefix());

    format.setNegativePrefix(null);
    assertNull(format.getNegativePrefix());
}
Example 8
Source File: DailyBarChart.java    From AndroidApp with GNU Affero General Public License v3.0 4 votes vote down vote up 
public Chart2ValueFormatter() {
    mFormat = new DecimalFormat("###,###,##0.0"); // use one decimal
    mFormat.setNegativePrefix("");
}
Example 9
Source File: DecimalFormatTest.java    From j2objc with Apache License 2.0 4 votes vote down vote up 
public void test_getNegativePrefix() {
    DecimalFormat df = new DecimalFormat();
    df.setNegativePrefix("--");
    assertTrue("Incorrect negative prefix", df.getNegativePrefix().equals("--"));
}