RecordMarshaller.java

/*
 * Copyright 2012-2017 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 javax.annotation.Generated;

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

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

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

    private static final MarshallingInfo<String> EVENTID_BINDING = MarshallingInfo.builder(MarshallingType.STRING).marshallLocation(MarshallLocation.PAYLOAD)
            .marshallLocationName("eventID").build();
    private static final MarshallingInfo<String> EVENTNAME_BINDING = MarshallingInfo.builder(MarshallingType.STRING).marshallLocation(MarshallLocation.PAYLOAD)
            .marshallLocationName("eventName").build();
    private static final MarshallingInfo<String> EVENTVERSION_BINDING = MarshallingInfo.builder(MarshallingType.STRING)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("eventVersion").build();
    private static final MarshallingInfo<String> EVENTSOURCE_BINDING = MarshallingInfo.builder(MarshallingType.STRING)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("eventSource").build();
    private static final MarshallingInfo<String> AWSREGION_BINDING = MarshallingInfo.builder(MarshallingType.STRING).marshallLocation(MarshallLocation.PAYLOAD)
            .marshallLocationName("awsRegion").build();
    private static final MarshallingInfo<StructuredPojo> DYNAMODB_BINDING = MarshallingInfo.builder(MarshallingType.STRUCTURED)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("dynamodb").build();
    private static final MarshallingInfo<StructuredPojo> USERIDENTITY_BINDING = MarshallingInfo.builder(MarshallingType.STRUCTURED)
            .marshallLocation(MarshallLocation.PAYLOAD).marshallLocationName("userIdentity").build();

    private static final RecordMarshaller instance = new RecordMarshaller();

    public static RecordMarshaller getInstance() {
        return instance;
    }

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

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

        try {
            protocolMarshaller.marshall(record.getEventID(), EVENTID_BINDING);
            protocolMarshaller.marshall(record.getEventName(), EVENTNAME_BINDING);
            protocolMarshaller.marshall(record.getEventVersion(), EVENTVERSION_BINDING);
            protocolMarshaller.marshall(record.getEventSource(), EVENTSOURCE_BINDING);
            protocolMarshaller.marshall(record.getAwsRegion(), AWSREGION_BINDING);
            protocolMarshaller.marshall(record.getDynamodb(), DYNAMODB_BINDING);
            protocolMarshaller.marshall(record.getUserIdentity(), USERIDENTITY_BINDING);
        } catch (Exception e) {
            throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
        }
    }

}