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java.lang.Objectjava.text.Format
org.apache.commons.math.fraction.FractionFormat
org.apache.commons.math.fraction.ProperFractionFormat
public class 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 |
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Nested classes/interfaces inherited from class java.text.Format |
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Format.Field |
Constructor Summary | |
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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. |
Method Summary | |
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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 |
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format, formatFraction, getAvailableLocales, getDefaultNumberFormat, getDenominatorFormat, getImproperInstance, getImproperInstance, getNumeratorFormat, getProperInstance, getProperInstance, parse, parseAndIgnoreWhitespace, parseNextCharacter, parseObject, setDenominatorFormat, setNumeratorFormat |
Methods inherited from class java.text.Format |
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clone, format, formatToCharacterIterator, parseObject |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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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 |
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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 FractionFormat
fraction
- 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 FractionFormat
source
- 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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