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org.apache.poi.ss.usermodel
Class FractionFormat

java.lang.Object
  extended by java.text.Format
      extended by org.apache.poi.ss.usermodel.FractionFormat
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable
public class FractionFormat
extends java.text.Format

Format class that handles Excel style fractions, such as "# #/#" and "#/###"

As of this writing, this is still not 100% accurate, but it does a reasonable job of trying to mimic Excel's fraction calculations. It does not currently maintain Excel's spacing.

This class relies on a method lifted nearly verbatim from org.apache.math.fraction. If further uses for Commons Math are found, we will consider adding it as a dependency. For now, we have in-lined the one method to keep things simple.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class java.text.Format
java.text.Format.Field
 
Constructor Summary
FractionFormat(java.lang.String wholePartFormatString, java.lang.String denomFormatString)
          Single parameter ctor
 
Method Summary
 java.lang.String format(java.lang.Number num)
           
 java.lang.StringBuffer format(java.lang.Object obj, java.lang.StringBuffer toAppendTo, java.text.FieldPosition pos)
           
 java.lang.Object parseObject(java.lang.String source, java.text.ParsePosition pos)
           
 
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

FractionFormat

public FractionFormat(java.lang.String wholePartFormatString,
                      java.lang.String denomFormatString)
Single parameter ctor

Parameters:
denomFormatString - The format string for the denominator
Method Detail

format

public java.lang.String format(java.lang.Number num)

format

public java.lang.StringBuffer format(java.lang.Object obj,
                                     java.lang.StringBuffer toAppendTo,
                                     java.text.FieldPosition pos)
Specified by:
format in class java.text.Format

parseObject

public java.lang.Object parseObject(java.lang.String source,
                                    java.text.ParsePosition pos)
Specified by:
parseObject in class java.text.Format
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