ObjectToStringMarshaller.java

/*
 * 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.services.dynamodbv2.datamodeling.marshallers;

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

/**
* A marshaller that marshals Java {@code Object} objects into DynamoDB
* Strings.
*
* @author Sergei Egorov
*/
public class ObjectToStringMarshaller implements StringAttributeMarshaller {

    private static final ObjectToStringMarshaller INSTANCE =
            new ObjectToStringMarshaller();

    public static ObjectToStringMarshaller instance() {
        return INSTANCE;
    }

    private ObjectToStringMarshaller() {
    }

    @Override
    public AttributeValue marshall(Object obj) {
        return new AttributeValue().withS(obj.toString());
    }
}