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The AWS SDK for Java - Core module holds the classes that are 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 (c) 2016. 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.protocol.json;

import com.amazonaws.annotation.SdkProtectedApi;
import com.amazonaws.http.JsonErrorResponseHandler;
import com.amazonaws.http.JsonResponseHandler;
import com.amazonaws.transform.JsonErrorUnmarshaller;
import com.amazonaws.transform.JsonUnmarshallerContext;
import com.amazonaws.transform.Unmarshaller;

import java.util.List;

/**
 * Common interface for creating generators (writers) and protocol handlers for JSON like protocols.
 * Current implementations include {@link SdkStructuredPlainJsonFactory} and {@link
 * SdkStructuredCborFactory}
 */
@SdkProtectedApi
public interface SdkStructuredJsonFactory {

    /**
     * Returns the {@link StructuredJsonGenerator} to be used for marshalling the request.
     *
     * @param contentType Content type to send for requests.
     */
    StructuredJsonGenerator createWriter(String contentType);

    /**
     * Returns the response handler to be used for handling a successfull response.
     *
     * @param operationMetadata Additional context information about an operation to create the
     *                          appropriate response handler.
     */
     JsonResponseHandler createResponseHandler(JsonOperationMetadata operationMetadata,
                                                     Unmarshaller responseUnmarshaller);

    /**
     * Returns the error response handler for handling a error response.
     *
     * @param errorUnmarshallers Response unmarshallers to unamrshall the error responses.
     *
     * @deprecated Use {@link #createErrorResponseHandler(JsonErrorResponseMetadata, List)} instead
     */
    @Deprecated
    JsonErrorResponseHandler createErrorResponseHandler(
            List errorUnmarshallers, String customErrorCodeFieldName);

    JsonErrorResponseHandler createErrorResponseHandler(
            JsonErrorResponseMetadata jsonErrorResponseMetadata,
            List errorUnmarshallers
    );
}