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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); }




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