gausselim
Class RealFractionFormatter

java.lang.Object
  javax.swing.JFormattedTextField.AbstractFormatter
      javax.swing.text.DefaultFormatter
          gausselim.RealFractionFormatter

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class RealFractionFormatter
extends javax.swing.text.DefaultFormatter

Formatter for BigDecimals that can parse simple fractions (BigDecimal/BigDecimal).

Author:

Steven Van Impe (steven.vanimpe@ugent.be)

See Also:

Serialized Form

Constructor Summary

RealFractionFormatter(java.math.MathContext mc)
Create a formatter that parses BigDecimals.

Method Summary

java.lang.Object	stringToValue(java.lang.String string) Parse the specified string into a BigDecimal.
java.lang.String	valueToString(java.lang.Object value) Format a BigDecimal.

Methods inherited from class javax.swing.text.DefaultFormatter

clone, getAllowsInvalid, getCommitsOnValidEdit, getOverwriteMode, getValueClass, install, setAllowsInvalid, setCommitsOnValidEdit, setOverwriteMode, setValueClass

Methods inherited from class javax.swing.JFormattedTextField.AbstractFormatter

uninstall

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RealFractionFormatter

public RealFractionFormatter(java.math.MathContext mc)

Create a formatter that parses BigDecimals.

Method Detail

stringToValue

public java.lang.Object stringToValue(java.lang.String string)
                               throws java.text.ParseException

Parse the specified string into a BigDecimal. The first forward slash (if present) is used as the division sign. The BigDecimal(String, MathContext) constructor is used to parse the numerator and denominator (if present). In case of a division by zero only the numerator is returned.

Overrides:

stringToValue in class javax.swing.text.DefaultFormatter

Throws:

java.text.ParseException

valueToString

public java.lang.String valueToString(java.lang.Object value)
                               throws java.text.ParseException

Format a BigDecimal. Uses the toString() method. A null value is formatted as unknown.

Overrides:

valueToString in class javax.swing.text.DefaultFormatter

Throws:

java.text.ParseException