com.amazonaws.services.dynamodbv2.datamodeling.marshallers.ByteBufferToBinaryMarshaller Maven / Gradle / Ivy

/*
 * Copyright 2014-2020 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.
 * You may obtain a copy of the License at:
 *
 *    http://aws.amazon.com/apache2.0
 *
 * 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.datamodeling.marshallers;

import java.nio.ByteBuffer;

import com.amazonaws.services.dynamodbv2.datamodeling.ArgumentMarshaller.BinaryAttributeMarshaller;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;

/**
 * A marshaller that marshals Java {@code ByteBuffer}s into DynamoDB Binary
 * attributes.
 */
public class ByteBufferToBinaryMarshaller implements BinaryAttributeMarshaller {

    private static final ByteBufferToBinaryMarshaller INSTANCE =
            new ByteBufferToBinaryMarshaller();

    public static ByteBufferToBinaryMarshaller instance() {
        return INSTANCE;
    }

    private ByteBufferToBinaryMarshaller() {
    }

    @Override
    public AttributeValue marshall(Object obj) {
        return new AttributeValue().withB((ByteBuffer) obj);
    }
}