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public interface Providers
An injectable interface providing runtime lookup of provider instances.
Context,
MessageBodyReader,
MessageBodyWriter,
ContextResolver,
ExceptionMapper| Method Summary | ||
|---|---|---|
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getContextResolver(java.lang.Class<T> contextType,
java.lang.Class<?> objectType,
MediaType mediaType)
Get a context resolver for a particular type of context for a class of object. |
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getExceptionMapper(java.lang.Class<T> type)
Get an exception mapping provider for a particular class of exception. |
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getMessageBodyReader(java.lang.Class<T> type,
java.lang.reflect.Type genericType,
java.lang.annotation.Annotation[] annotations,
MediaType mediaType)
Get a message body reader that matches a set of criteria. |
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getMessageBodyWriter(java.lang.Class<T> type,
java.lang.reflect.Type genericType,
java.lang.annotation.Annotation[] annotations,
MediaType mediaType)
Get a message body writer that matches a set of criteria. |
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| Method Detail |
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<T> MessageBodyReader<T> getMessageBodyReader(java.lang.Class<T> type,
java.lang.reflect.Type genericType,
java.lang.annotation.Annotation[] annotations,
MediaType mediaType)
mediaType - the media type of the data that will be read, this will
be compared to the values of Consumes for
each candidate reader and only matching readers will be queried.type - the class of object to be produced.genericType - the type of object to be produced. E.g. if the
message body is to be converted into a method parameter, this will be
the formal type of the method parameter as returned by
Class.getGenericParameterTypes.annotations - an array of the annotations on the declaration of the
artifact that will be initialized with the produced instance. E.g. if the
message body is to be converted into a method parameter, this will be
the annotations on that parameter returned by
Class.getParameterAnnotations.
<T> MessageBodyWriter<T> getMessageBodyWriter(java.lang.Class<T> type,
java.lang.reflect.Type genericType,
java.lang.annotation.Annotation[] annotations,
MediaType mediaType)
mediaType - the media type of the data that will be written, this will
be compared to the values of Produces for
each candidate writer and only matching writers will be queried.type - the class of object that is to be written.genericType - the type of object to be written. E.g. if the
message body is to be produced from a field, this will be
the declared type of the field as returned by
Field.getGenericType.annotations - an array of the annotations on the declaration of the
artifact that will be written. E.g. if the
message body is to be produced from a field, this will be
the annotations on that field returned by
Field.getDeclaredAnnotations.
<T> ExceptionMapper<T> getExceptionMapper(java.lang.Class<T> type)
type.
type - the class of exception
ExceptionMapper for the supplied type or null if none
is found.
<T> ContextResolver<T> getContextResolver(java.lang.Class<T> contextType,
java.lang.Class<?> objectType,
MediaType mediaType)
contextType and that returns a non-null value from
getContext(objectType).
contextType - the class of context desiredobjectType - the class of object for which the context is desiredmediaType - the media type of data for which a context is required.
The value is compared to the values of Produces
for each candidate and only matching providers will be considered.
A null value is equivalent to
MediaType.WILDCARD_TYPE.
ContextResolver.getContext(java.lang.Class)
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