javax.ws.rs.ext.ReaderInterceptor Maven / Gradle / Ivy
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package javax.ws.rs.ext;
/**
* Interface for message body reader interceptors that wrap around calls
* to {@link javax.ws.rs.ext.MessageBodyReader#readFrom}.
*
* Providers implementing {@code ReaderInterceptor} contract must be either programmatically
* registered in a JAX-RS runtime or must be annotated with
* {@link javax.ws.rs.ext.Provider @Provider} annotation to be automatically discovered
* by the JAX-RS runtime during a provider scanning phase.
* Message body interceptor instances may also be discovered and
* bound {@link javax.ws.rs.container.DynamicFeature dynamically} to particular resource methods.
*
*
* @author Santiago Pericas-Geertsen
* @author Bill Burke
* @author Marek Potociar
* @see MessageBodyReader
* @since 2.0
*/
public interface ReaderInterceptor {
/**
* Interceptor method wrapping calls to
* {@link javax.ws.rs.ext.MessageBodyReader#readFrom}. The parameters
* of the wrapped method called are available from context.
* Implementations of this method SHOULD explicitly call
* {@link javax.ws.rs.ext.ReaderInterceptorContext#proceed} to invoke
* the next interceptor in the chain, and ultimately the wrapped method.
*
* @param context invocation context.
* @return result of next interceptor invoked or the wrapped method if
* last interceptor in chain.
* @throws java.io.IOException if an IO error arises.
* @throws javax.ws.rs.WebApplicationException
* thrown by wrapped method.
*/
public Object aroundReadFrom(ReaderInterceptorContext context)
throws java.io.IOException, javax.ws.rs.WebApplicationException;
}