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org.scopemvc.util.convertor
Class NumberStringConvertor  

java.lang.Object
  org.scopemvc.util.convertor.NullStringConvertor
      org.scopemvc.util.convertor.NumberStringConvertor

All Implemented Interfaces:

StringConvertor

Direct Known Subclasses:

BigIntegerStringConvertor, DoubleStringConvertor, FloatStringConvertor, IntegerStringConvertor, LongStringConvertor

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public abstract class NumberStringConvertor

extends NullStringConvertor

Abstract base class for numeric StringConvertors.

It uses default java.text.Number format. New format can be set.

Version:

$Revision: 1.4 $ $Date: 2002/01/26 09:46:20 $

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Field Summary
private  java.text.NumberFormat	format

 

Fields inherited from class org.scopemvc.util.convertor.NullStringConvertor

 

Constructor Summary

NumberStringConvertor()           Creates new NumberStringConvertor with default platform number format.

 

Method Summary
java.text.NumberFormat	getNumberFormat()
void	setNumberFormat(java.text.NumberFormat inFormat)
java.lang.Object	stringAsValue(java.lang.String inString)           Returns instance of some subclass of Number as returned by NumberFormat.
java.lang.String	valueAsString(java.lang.Object inValue)           Formats object into String.

 

Methods inherited from class org.scopemvc.util.convertor.NullStringConvertor

getNullAsString, isNull, setNullAsString

 

Methods inherited from class java.lang.Object

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

 

Field Detail

format

private java.text.NumberFormat format

Constructor Detail

NumberStringConvertor

public NumberStringConvertor()

Creates new NumberStringConvertor with default platform number format.

Method Detail

stringAsValue

public java.lang.Object stringAsValue(java.lang.String inString)
                               throws java.lang.IllegalArgumentException

Returns instance of some subclass of Number as returned by NumberFormat. If there is required specific numeric class, corresponding XXXStringConvertor should be used. Subclasses use this method and result converts to proper type.

Empty, null and getNullAsString() 55 strings are converted into null.

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valueAsString

public java.lang.String valueAsString(java.lang.Object inValue)
                               throws java.lang.IllegalArgumentException

Description copied from interface: StringConvertor

Formats object into String. It never return a null. Implementing class can offer posibility to set string representation of null (such as "null" or ""), however default representation should be "". Slightly different null handling is performed in StringStringConvertor class.

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getNumberFormat

public java.text.NumberFormat getNumberFormat()

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setNumberFormat

public void setNumberFormat(java.text.NumberFormat inFormat)
                     throws java.lang.IllegalArgumentException

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