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The AWS SDK for Java Mobile - Core module holds the classes that is used by the individual service clients to interact with Amazon Web Services. Users need to depend on aws-java-sdk artifact for accessing individual client classes.

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/*
 * Copyright 2010-2018 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;
import com.amazonaws.util.TimingInfo;

/**
 * @deprecated by {@link RequestHandler2}. Interface for addition request
 *             handling in clients. A request handler is executed on a request
 *             object before it is sent to the client runtime to be
 *             executed.
 */
@Deprecated
public interface RequestHandler {

    /**
     * Runs any additional processing logic on the specified request (before it
     * is executed by the client runtime).
     *
     * @param request The low level request being processed.
     */
    public void beforeRequest(Request request);

    /**
     * Runs any additional processing logic on the specified request (after is
     * has been executed by the client runtime).
     *
     * @param request The low level request being processed.
     * @param response The response generated from the specified request.
     * @param timingInfo Timing information on the request's processing.
     */
    public void afterResponse(Request request, Object response, TimingInfo timingInfo);

    /**
     * Runs any additional processing logic on a request after it has failed.
     *
     * @param request The request that generated an error.
     * @param e The error that resulted from executing the request.
     */
    public void afterError(Request request, Exception e);

}