Interface ArgumentConverter
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- All Known Implementing Classes:
DefaultArgumentConverter
,SimpleArgumentConverter
@API(status=EXPERIMENTAL, since="5.0") public interface ArgumentConverter
ArgumentConverter
is an abstraction that allows an input object to be converted to an instance of a different class.Such an
ArgumentConverter
is applied to the method parameter of a@ParameterizedTest
method with the help of a@ConvertWith
annotation.See
SimpleArgumentConverter
in case your implementation only needs to know about the target type instead of the completeParameterContext
.Implementations must provide a no-args constructor.
- Since:
- 5.0
- See Also:
SimpleArgumentConverter
,ParameterizedTest
,ConvertWith
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Object
convert(java.lang.Object source, ParameterContext context)
Convert the suppliedsource
object according to the suppliedcontext
.
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Method Detail
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convert
java.lang.Object convert(java.lang.Object source, ParameterContext context) throws ArgumentConversionException
Convert the suppliedsource
object according to the suppliedcontext
.- Parameters:
source
- the source object to convert; may benull
context
- the parameter context where the converted object will be used; nevernull
- Returns:
- the converted object; may be
null
but only if the target type is a reference type - Throws:
ArgumentConversionException
- if an error occurs during the conversion
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