/* * Copyright 2010 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ package com.amazonaws.handlers; import com.amazonaws.Request; /** * Interface for addition request handling in clients. A request handler is * executed on a request object <b>before</b> it is sent to the client runtime * to be executed. */ public interface RequestHandler { /** * Runs any additional processing logic on the specified request (before it * is executed by the client runtime), then hands back the updated request * object. * * @param <T> * Indicates the parameterized type of the request being * processed by this handler. * * @param request * The request being processed by this handler. * * @return The updated request object. */ public <T> Request<T> handleRequest(Request<T> request); }