Package org.apache.commons.math.fraction

Class AbstractFormat

java.lang.Object

java.text.Format

java.text.NumberFormat

org.apache.commons.math.fraction.AbstractFormat

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

BigFractionFormat, FractionFormat

public abstract class AbstractFormat
extends NumberFormat
implements Serializable

Common part shared by both FractionFormat and BigFractionFormat.

Since:

2.0

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.text.NumberFormat

NumberFormat.Field, NumberFormat.Style

Field Summary

Fields inherited from class java.text.NumberFormat

FRACTION_FIELD, INTEGER_FIELD

Method Summary

Modifier and Type	Method	Description
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.
NumberFormat	getDenominatorFormat()	Access the denominator format.
NumberFormat	getNumeratorFormat()	Access the numerator format.
void	setDenominatorFormat(NumberFormat format)	Modify the denominator format.
void	setNumeratorFormat(NumberFormat format)	Modify the numerator format.

Methods inherited from class java.text.NumberFormat

clone, equals, format, format, format, getAvailableLocales, getCompactNumberInstance, getCompactNumberInstance, getCurrency, getCurrencyInstance, getCurrencyInstance, getInstance, getInstance, getIntegerInstance, getIntegerInstance, getMaximumFractionDigits, getMaximumIntegerDigits, getMinimumFractionDigits, getMinimumIntegerDigits, getNumberInstance, getNumberInstance, getPercentInstance, getPercentInstance, getRoundingMode, hashCode, isGroupingUsed, isParseIntegerOnly, parse, parse, parseObject, setCurrency, setGroupingUsed, setMaximumFractionDigits, setMaximumIntegerDigits, setMinimumFractionDigits, setMinimumIntegerDigits, setParseIntegerOnly, setRoundingMode

Methods inherited from class java.text.Format

format, formatToCharacterIterator, parseObject

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Method Details

getDenominatorFormat

public NumberFormat getDenominatorFormat()

Access the denominator format.

Returns:

the denominator format.

getNumeratorFormat

public NumberFormat getNumeratorFormat()

Access the numerator format.

Returns:

the numerator format.

setDenominatorFormat

public void setDenominatorFormat(NumberFormat format)

Modify the denominator format.

Parameters:

format - the new denominator format value.

Throws:

NullArgumentException - if format is null.

setNumeratorFormat

public void setNumeratorFormat(NumberFormat format)

Modify the numerator format.

Parameters:

format - the new numerator format value.

Throws:

NullArgumentException - if format is null.

format

public StringBuffer format(double value,
 StringBuffer buffer,
 FieldPosition position)

Formats a double value as a fraction and appends the result to a StringBuffer.

Specified by:

format in class NumberFormat

Parameters:

value - the double value to format

buffer - StringBuffer to append to

position - On input: an alignment field, if desired. On output: the offsets of the alignment field

Returns:

a reference to the appended buffer

See Also:

• NumberFormat.format(Object, StringBuffer, FieldPosition)

format

public StringBuffer format(long value,
 StringBuffer buffer,
 FieldPosition position)

Formats a long value as a fraction and appends the result to a StringBuffer.

Specified by:

format in class NumberFormat

Parameters:

value - the long value to format

buffer - StringBuffer to append to

position - On input: an alignment field, if desired. On output: the offsets of the alignment field

Returns:

a reference to the appended buffer

See Also:

• NumberFormat.format(Object, StringBuffer, FieldPosition)