org.apache.commons.math.fraction
Class AbstractFormat

java.lang.Object
  extended by java.text.Format
      extended by java.text.NumberFormat
          extended by 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
 
Field Summary
 
Fields inherited from class java.text.NumberFormat
FRACTION_FIELD, INTEGER_FIELD
 
Method Summary
 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, 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 Detail

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)


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