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The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2010-2015 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;

import com.amazonaws.internal.config.HttpClientConfig;
import com.amazonaws.internal.config.InternalConfig;

/**
 * An internal service name factory. 
 */
enum ServiceNameFactory {
    ;

    /**
     * Returns a non-null signer for the specified service and region.
     * 
     * @throws UnsupportedOperationException
     *             if the internal signer type configured is not currently
     *             supported.
     */
    static String getServiceName(String httpClientName) {
        InternalConfig config = InternalConfig.Factory.getInternalConfig();
        HttpClientConfig clientConfig = config.getHttpClientConfig(httpClientName);
        return clientConfig == null ? null : clientConfig.getServiceName();
    }
}