?? ConverterFunction
@ConsumerType
public interface ConverterFunction
An functional interface with a convert method that is passed the original
object and the target type to perform a custom conversion.
This interface can also be used to register a custom error handler.
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????????????static final Object
Special object to indicate that a custom converter rule or error handler cannot handle the conversion. -
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CANNOT_HANDLE
Special object to indicate that a custom converter rule or error handler cannot handle the conversion.
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apply
Convert the object into the target type.- ??:
obj
- The object to be converted. This object will never benull
as the convert function will not be invoked for null values.targetType
- The target type.- ??:
- The conversion result or
CANNOT_HANDLE
to indicate that the convert function cannot handle this conversion. In this case the next matching rule or parent converter will be given a opportunity to convert. - ??:
Exception
- the operation can throw an exception if the conversion can not be performed due to incompatible types.
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