DO NOT REPLY [Bug 21238] New: - ConvertUtilsBean should use defaultValue for all converters

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=21238

ConvertUtilsBean should use defaultValue for all converters

           Summary: ConvertUtilsBean should use defaultValue for all
                    converters
           Product: Commons
           Version: 1.0 Alpha
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Bean Utilities
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: Gin.Chen@NielsenMedia.com


Consider a java.sql.Timestamp that is nullable in the database.
An EJB would return it as null whereas a DynaForm might convert that into a 
String null. To save that back to the EJB as a null String using 
BeanUtils.copyProperties will end up calling ConvertUtilsBean which gets a 
SQLTimestampConverter using the default constructor (no default value).
This will cause a ConversionException "No value specified" and, therefore, not 
allow null values to be saved back to the EJB.

This will effect all converters that do not use a defaultValue.

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