Enum value types during unmarshall throw null pointer exceptions if
optionally mapped.
Eg :
enum Day{
Mon,
Tue,
;
}
Binding
<binding>
<mapping ...>
<value name="day" field="day" usage="optional"/>
</mapping>
</binding>
A work around is to define custom deserializers per enum.(I put the
static deserializer methods in the enum itself)
ie <value name="day" field="day" usage="optional"
deserializer="EnumConversion.deserializeDayEnum"/>
class EnumConversion{
public static Day deserializeDayEnum(String str) {
if(str == null) {
return null;
} else {
return Day.valueOf(str);
}
}
}
regards
Varghese C V
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