com.amazonaws.services.dynamodbv2.model.transform.GetItemRequestMarshaller Maven / Gradle / Ivy

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The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service
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/*
 * Copyright 2019-2024 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.services.dynamodbv2.model.transform;

import java.util.Map;
import java.util.List;
import javax.annotation.Generated;

import com.amazonaws.SdkClientException;
import com.amazonaws.services.dynamodbv2.model.*;

import com.amazonaws.protocol.*;
import com.amazonaws.annotation.SdkInternalApi;

/**
 * GetItemRequestMarshaller
 */
@Generated("com.amazonaws:aws-java-sdk-code-generator")
@SdkInternalApi
public class GetItemRequestMarshaller {

    private static final MarshallingInfo TABLENAME_BINDING = MarshallingInfo.builder(MarshallingType.STRING).marshallLocation(MarshallLocation.PAYLOAD)
            .marshallLocationName("TableName").build();
    private static final MarshallingInfo KEY_BINDING = MarshallingInfo.builder(MarshallingType.MAP).marshallLocation(MarshallLocation.PAYLOAD)
            .marshallLocationName("Key").build();
    private static final MarshallingInfo ATTRIBUTESTOGET_BINDING = MarshallingInfo.builder(MarshallingType.LIST)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("AttributesToGet").build();
    private static final MarshallingInfo CONSISTENTREAD_BINDING = MarshallingInfo.builder(MarshallingType.BOOLEAN)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("ConsistentRead").build();
    private static final MarshallingInfo RETURNCONSUMEDCAPACITY_BINDING = MarshallingInfo.builder(MarshallingType.STRING)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("ReturnConsumedCapacity").build();
    private static final MarshallingInfo PROJECTIONEXPRESSION_BINDING = MarshallingInfo.builder(MarshallingType.STRING)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("ProjectionExpression").build();
    private static final MarshallingInfo EXPRESSIONATTRIBUTENAMES_BINDING = MarshallingInfo.builder(MarshallingType.MAP)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("ExpressionAttributeNames").build();

    private static final GetItemRequestMarshaller instance = new GetItemRequestMarshaller();

    public static GetItemRequestMarshaller getInstance() {
        return instance;
    }

    /**
     * Marshall the given parameter object.
     */
    public void marshall(GetItemRequest getItemRequest, ProtocolMarshaller protocolMarshaller) {

        if (getItemRequest == null) {
            throw new SdkClientException("Invalid argument passed to marshall(...)");
        }

        try {
            protocolMarshaller.marshall(getItemRequest.getTableName(), TABLENAME_BINDING);
            protocolMarshaller.marshall(getItemRequest.getKey(), KEY_BINDING);
            protocolMarshaller.marshall(getItemRequest.getAttributesToGet(), ATTRIBUTESTOGET_BINDING);
            protocolMarshaller.marshall(getItemRequest.getConsistentRead(), CONSISTENTREAD_BINDING);
            protocolMarshaller.marshall(getItemRequest.getReturnConsumedCapacity(), RETURNCONSUMEDCAPACITY_BINDING);
            protocolMarshaller.marshall(getItemRequest.getProjectionExpression(), PROJECTIONEXPRESSION_BINDING);
            protocolMarshaller.marshall(getItemRequest.getExpressionAttributeNames(), EXPRESSIONATTRIBUTENAMES_BINDING);
        } catch (Exception e) {
            throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
        }
    }

}