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org.scopemvc.util.convertor
Class NullStringConvertor  view NullStringConvertor download NullStringConvertor.java

java.lang.Object
  extended byorg.scopemvc.util.convertor.NullStringConvertor
All Implemented Interfaces:
StringConvertor
Direct Known Subclasses:
BigDecimalStringConvertor, BooleanStringConvertor, DateStringConvertor, NumberStringConvertor, StringStringConvertor

public abstract class NullStringConvertor
extends java.lang.Object
implements StringConvertor

Abstract base class for StringConvertors that recognise a presetn String value to represent null.

Version:
$Revision: 1.2 $ $Date: 2002/01/12 09:35:41 $

Field Summary
private  java.lang.String nullString
           
 
Constructor Summary
NullStringConvertor()
           
 
Method Summary
 java.lang.String getNullAsString()
           
protected  boolean isNull(java.lang.String inString)
          Does the passed String represent null.
 void setNullAsString(java.lang.String inNullString)
          Sets String representation used when parameter in valueAsString 55 is null.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.scopemvc.util.convertor.StringConvertor
stringAsValue, valueAsString
 

Field Detail

nullString

private java.lang.String nullString
Constructor Detail

NullStringConvertor

public NullStringConvertor()
Method Detail

getNullAsString

public java.lang.String getNullAsString()

setNullAsString

public void setNullAsString(java.lang.String inNullString)
                     throws java.lang.IllegalArgumentException
Sets String representation used when parameter in valueAsString 55 is null. Method stringAsValue 55 also uses this value: if parameter is equal to this representation, return value should be null. Default value is empty string.


isNull

protected boolean isNull(java.lang.String inString)
Does the passed String represent null.