javax.ws.rs.container.DynamicFeature Maven / Gradle / Ivy
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package javax.ws.rs.container;
import javax.ws.rs.core.FeatureContext;
import javax.ws.rs.ext.ReaderInterceptor;
import javax.ws.rs.ext.WriterInterceptor;
/**
* A JAX-RS meta-provider for dynamic registration of post-matching providers
* during a JAX-RS application setup at deployment time.
*
* Dynamic feature is used by JAX-RS runtime to register providers that shall be applied
* to a particular resource class and method and overrides any annotation-based binding
* definitions defined on any registered resource filter or interceptor instance.
*
* Providers implementing this interface MAY be annotated with
* {@link javax.ws.rs.ext.Provider @Provider} annotation in order to be
* discovered by JAX-RS runtime when scanning for resources and providers.
* This provider types is supported only as part of the Server API.
*
*
* @author Santiago Pericas-Geertsen
* @author Bill Burke
* @author Marek Potociar
* @see javax.ws.rs.NameBinding
* @since 2.0
*/
public interface DynamicFeature {
/**
* A callback method called by the JAX-RS runtime during the application
* deployment to register provider instances or classes in a
* {@link javax.ws.rs.core.Configuration runtime configuration} scope of a particular {@link javax.ws.rs.HttpMethod
* resource or sub-resource method}; i.e. the providers that should be dynamically bound
* to the method.
*
* The registered provider instances or classes are expected to be implementing one
* or more of the following interfaces:
*
*
* - {@link ContainerRequestFilter}
* - {@link ContainerResponseFilter}
* - {@link ReaderInterceptor}
* - {@link WriterInterceptor}
* - {@link javax.ws.rs.core.Feature}
*
*
* A provider instance or class that does not implement any of the interfaces
* above may be ignored by the JAX-RS implementation. In such case a
* {@link java.util.logging.Level#WARNING warning} message must be logged.
* JAX-RS implementations may support additional provider contracts that
* can be registered using a dynamic feature concept.
*
*
* Conceptually, this callback method is called during a {@link javax.ws.rs.HttpMethod
* resource or sub-resource method} discovery phase (typically once per each discovered
* resource or sub-resource method) to register provider instances or classes in a
* {@code configuration} scope of each particular method identified by the supplied
* {@link ResourceInfo resource information}.
* The responsibility of the feature is to properly update the supplied {@code configuration}
* context.
*
*
* @param resourceInfo resource class and method information.
* @param context configurable resource or sub-resource method-level runtime context
* associated with the {@code resourceInfo} in which the feature
*/
public void configure(ResourceInfo resourceInfo, FeatureContext context);
}