Module org.junit.jupiter.params

Package org.junit.jupiter.params.converter

Class TypedArgumentConverter<S,T>

java.lang.Object

org.junit.jupiter.params.converter.TypedArgumentConverter<S,T>

Type Parameters:

S - the type of the source argument to convert

T - the type of the target object to create from the source

All Implemented Interfaces:

ArgumentConverter

@API(status=EXPERIMENTAL,
     since="5.7")
public abstract class TypedArgumentConverter<S,T>
extends Object
implements ArgumentConverter

TypedArgumentConverter is an abstract base class for ArgumentConverter implementations that always convert objects of a given source type into a given target type.

Since:

5.7

See Also:

• ArgumentConverter
• SimpleArgumentConverter

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TypedArgumentConverter(Class<S> sourceType, Class<T> targetType)	Create a new TypedArgumentConverter.

Method Summary

Modifier and Type	Method	Description
final Object	convert(Object source, ParameterContext context)	Convert the supplied source object according to the supplied context.
protected abstract T	convert(S source)	Convert the supplied source object of type S into an object of type T.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TypedArgumentConverter

protected TypedArgumentConverter(Class<S> sourceType,
 Class<T> targetType)

Create a new TypedArgumentConverter.

Parameters:

sourceType - the type of the argument to convert; never null

targetType - the type of the target object to create from the source; never null

Method Details

convert

public final Object convert(Object source,
 ParameterContext context)
                     throws ArgumentConversionException

Description copied from interface: ArgumentConverter

Convert the supplied source object according to the supplied context.

Specified by:

convert in interface ArgumentConverter

Parameters:

source - the source object to convert; may be null

context - the parameter context where the converted object will be used; never null

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

convert

protected abstract T convert(S source)
                      throws ArgumentConversionException

Convert the supplied source object of type S into an object of type T.

Parameters:

source - the source object to convert; may be null

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