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java.lang.Objectjava.text.Format
org.apache.commons.math.fraction.FractionFormat
org.apache.commons.math.fraction.ProperFractionFormat
Formats a Fraction number in proper format. The number format for each of the whole number, numerator and, denominator can be configured.
| Nested Class Summary |
| Nested classes inherited from class java.text.Format |
Format.Field |
| Constructor Summary | |
ProperFractionFormat()
Create a proper formatting instance with the default number format for the whole, numerator, and denominator. |
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ProperFractionFormat(NumberFormat format)
Create a proper formatting instance with a custom number format for the whole, numerator, and denominator. |
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ProperFractionFormat(NumberFormat wholeFormat,
NumberFormat numeratorFormat,
NumberFormat denominatorFormat)
Create a proper formatting instance with a custom number format for each of the whole, numerator, and denominator. |
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| Method Summary | |
StringBuffer |
format(Fraction fraction,
StringBuffer toAppendTo,
FieldPosition pos)
Formats a Fraction object to produce a string. |
NumberFormat |
getWholeFormat()
Access the whole format. |
Fraction |
parse(String source,
ParsePosition pos)
Parses a string to produce a Fraction object. |
void |
setWholeFormat(NumberFormat format)
Modify the whole format. |
| Methods inherited from class org.apache.commons.math.fraction.FractionFormat |
format, formatFraction, getAvailableLocales, getDefaultNumberFormat, getDenominatorFormat, getImproperInstance, getImproperInstance, getNumeratorFormat, getProperInstance, getProperInstance, parse, parseAndIgnoreWhitespace, parseNextCharacter, parseObject, setDenominatorFormat, setNumeratorFormat |
| Methods inherited from class java.text.Format |
clone, format, formatToCharacterIterator, parseObject |
| Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public ProperFractionFormat()
public ProperFractionFormat(NumberFormat format)
format - the custom format for the whole, numerator, and
denominator.
public ProperFractionFormat(NumberFormat wholeFormat,
NumberFormat numeratorFormat,
NumberFormat denominatorFormat)
wholeFormat - the custom format for the whole.numeratorFormat - the custom format for the numerator.denominatorFormat - the custom format for the denominator.| Method Detail |
public StringBuffer format(Fraction fraction,
StringBuffer toAppendTo,
FieldPosition pos)
Fraction object to produce a string. The fraction
is output in proper format.
format in class FractionFormatfraction - the object to format.toAppendTo - where the text is to be appendedpos - On input: an alignment field, if desired. On output: the
offsets of the alignment field
public NumberFormat getWholeFormat()
public Fraction parse(String source,
ParsePosition pos)
Fraction object. This method
expects the string to be formatted as a proper fraction.
parse in class FractionFormatsource - the string to parsepos - input/ouput parsing parameter.
Fraction object.public void setWholeFormat(NumberFormat format)
format - The new whole format value.
IllegalArgumentException - if format is
null.
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