javax.ws.rs.ext.WriterInterceptorContext Maven / Gradle / Ivy
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package javax.ws.rs.ext;
import java.io.IOException;
import java.io.OutputStream;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MultivaluedMap;
/**
* Context class used by {@link javax.ws.rs.ext.WriterInterceptor}
* to intercept calls to {@link javax.ws.rs.ext.MessageBodyWriter#writeTo}.
* The getters and setters in this context class correspond to the
* parameters of the intercepted method.
*
* @author Santiago Pericas-Geertsen
* @author Bill Burke
* @see WriterInterceptor
* @see MessageBodyWriter
* @since 2.0
*/
public interface WriterInterceptorContext extends InterceptorContext {
/**
* Proceed to the next interceptor in the chain.
*
* Interceptors MUST explicitly call this method to continue the execution chain;
* the call to this method in the last interceptor of the chain will invoke
* the wrapped {@link javax.ws.rs.ext.MessageBodyWriter#writeTo} method.
*
* @throws java.io.IOException if an IO error arises or is thrown by the wrapped
* {@code MessageBodyWriter.writeTo} method.
* @throws javax.ws.rs.WebApplicationException
* thrown by the wrapped {@code MessageBodyWriter.writeTo} method.
*/
void proceed() throws IOException, WebApplicationException;
/**
* Get object to be written as HTTP entity.
*
* @return object to be written as HTTP entity.
*/
Object getEntity();
/**
* Update object to be written as HTTP entity.
*
* @param entity new object to be written.
*/
void setEntity(Object entity);
/**
* Get the output stream for the object to be written. The JAX-RS runtime
* is responsible for closing the output stream.
*
* @return output stream for the object to be written.
*/
OutputStream getOutputStream();
/**
* Update the output stream for the object to be written. The JAX-RS
* runtime is responsible for closing the output stream.
*
* @param os new output stream for the object to be written.
*/
public void setOutputStream(OutputStream os);
/**
* Get mutable map of HTTP headers.
*
* @return map of HTTP headers.
*/
MultivaluedMap getHeaders();
}