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java.lang.Object java.text.Format java.text.NumberFormat org.apache.commons.math3.fraction.AbstractFormat
public abstract class AbstractFormat
Common part shared by both FractionFormat
and BigFractionFormat
.
Nested Class Summary |
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Nested classes/interfaces inherited from class java.text.NumberFormat |
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NumberFormat.Field |
Field Summary |
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Fields inherited from class java.text.NumberFormat |
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FRACTION_FIELD, INTEGER_FIELD |
Constructor Summary | |
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protected |
AbstractFormat()
Create an improper formatting instance with the default number format for the numerator and denominator. |
protected |
AbstractFormat(NumberFormat format)
Create an improper formatting instance with a custom number format for both the numerator and denominator. |
protected |
AbstractFormat(NumberFormat numeratorFormat,
NumberFormat denominatorFormat)
Create an improper formatting instance with a custom number format for the numerator and a custom number format for the denominator. |
Method Summary | |
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StringBuffer |
format(double value,
StringBuffer buffer,
FieldPosition position)
Formats a double value as a fraction and appends the result to a StringBuffer. |
StringBuffer |
format(long value,
StringBuffer buffer,
FieldPosition position)
Formats a long value as a fraction and appends the result to a StringBuffer. |
protected static NumberFormat |
getDefaultNumberFormat()
Create a default number format. |
protected static NumberFormat |
getDefaultNumberFormat(Locale locale)
Create a default number format. |
NumberFormat |
getDenominatorFormat()
Access the denominator format. |
NumberFormat |
getNumeratorFormat()
Access the numerator format. |
protected static void |
parseAndIgnoreWhitespace(String source,
ParsePosition pos)
Parses source until a non-whitespace character is found. |
protected static char |
parseNextCharacter(String source,
ParsePosition pos)
Parses source until a non-whitespace character is found. |
void |
setDenominatorFormat(NumberFormat format)
Modify the denominator format. |
void |
setNumeratorFormat(NumberFormat format)
Modify the numerator format. |
Methods inherited from class java.text.Format |
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format, formatToCharacterIterator, parseObject |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected AbstractFormat()
protected AbstractFormat(NumberFormat format)
format
- the custom format for both the numerator and denominator.protected AbstractFormat(NumberFormat numeratorFormat, NumberFormat denominatorFormat)
numeratorFormat
- the custom format for the numerator.denominatorFormat
- the custom format for the denominator.Method Detail |
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protected static NumberFormat getDefaultNumberFormat()
NumberFormat.getNumberInstance(java.util.Locale)
. The only
customization is the maximum number of BigFraction digits, which is set to 0.
protected static NumberFormat getDefaultNumberFormat(Locale locale)
NumberFormat.getNumberInstance(java.util.Locale)
. The only
customization is the maximum number of BigFraction digits, which is set to 0.
locale
- the specific locale used by the format.
public NumberFormat getDenominatorFormat()
public NumberFormat getNumeratorFormat()
public void setDenominatorFormat(NumberFormat format)
format
- the new denominator format value.
NullArgumentException
- if format
is null
.public void setNumeratorFormat(NumberFormat format)
format
- the new numerator format value.
NullArgumentException
- if format
is null
.protected static void parseAndIgnoreWhitespace(String source, ParsePosition pos)
source
until a non-whitespace character is found.
source
- the string to parsepos
- input/output parsing parameter. On output, pos
holds the index of the next non-whitespace character.protected static char parseNextCharacter(String source, ParsePosition pos)
source
until a non-whitespace character is found.
source
- the string to parsepos
- input/output parsing parameter.
public StringBuffer format(double value, StringBuffer buffer, FieldPosition position)
format
in class NumberFormat
value
- the double value to formatbuffer
- StringBuffer to append toposition
- On input: an alignment field, if desired. On output: the
offsets of the alignment field
NumberFormat.format(Object, StringBuffer, FieldPosition)
public StringBuffer format(long value, StringBuffer buffer, FieldPosition position)
format
in class NumberFormat
value
- the long value to formatbuffer
- StringBuffer to append toposition
- On input: an alignment field, if desired. On output: the
offsets of the alignment field
NumberFormat.format(Object, StringBuffer, FieldPosition)
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