Top Description Methods
javax.ws.rs.ext

public Interface ParamConverterProvider

Imports
java.lang.annotation.Annotation, java.lang.reflect.Type

Contract for a provider of ParamConverter instances.

Providers implementing ParamConverterProvider contract must be either programmatically registered in a JAX-RS runtime or must be annotated with @Provider annotation to be automatically discovered by the JAX-RS runtime during a provider scanning phase.

Author
Marek Potociar
Since
2.0

Method Summary

Modifier and TypeMethod and Description
public <
the supported Java type convertible to/from a String format.
T
>
ParamConverter<T>

Returns:

the string converter, otherwise null.
getConverter
(Class<T>
the raw type of the object to be converted.
rawType
,
Type
the type of object to be converted. E.g. if an String value representing the injected request parameter is to be converted into a method parameter, this will be the formal type of the method parameter as returned by Class.getGenericParameterTypes.
genericType
,
Annotation[]
an array of the annotations associated with the convertible parameter instance. E.g. if a string value is to be converted into a method parameter, this would be the annotations on that parameter as returned by java.lang.reflect.Method#getParameterAnnotations.
annotations
)

Obtain a ParamConverter that can provide from/to string conversion for an instance of a particular Java type.

Method Detail

getConverterback to summary
public <T> ParamConverter<T> getConverter(Class<T> rawType, Type genericType, Annotation[] annotations)

Obtain a ParamConverter that can provide from/to string conversion for an instance of a particular Java type.

Parameters
<T>
the supported Java type convertible to/from a String format.
rawType:Class<T>

the raw type of the object to be converted.

genericType:Type

the type of object to be converted. E.g. if an String value representing the injected request parameter is to be converted into a method parameter, this will be the formal type of the method parameter as returned by Class.getGenericParameterTypes.

annotations:Annotation[]

an array of the annotations associated with the convertible parameter instance. E.g. if a string value is to be converted into a method parameter, this would be the annotations on that parameter as returned by java.lang.reflect.Method#getParameterAnnotations.

Returns:ParamConverter<T>

the string converter, otherwise null.