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The AWS Java Mobile SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service

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/*
 * Copyright 2014-2018 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.s3.internal;

import com.amazonaws.AmazonWebServiceClient;
import com.amazonaws.auth.Signer;
import com.amazonaws.handlers.RequestHandler2;
import com.amazonaws.http.ExecutionContext;

import java.net.URI;
import java.util.List;

/**
 * The ExecutionContext.
 */
public class S3ExecutionContext extends ExecutionContext {
    private Signer signer;

    /**
     * Constructor.
     * @param requestHandler2s list of RequestHandler2.
     * @param isMetricEnabled indicator to see if metric is enabled.
     * @param awsClient the AmazonWebServiceClient.
     */
    public S3ExecutionContext(List requestHandler2s,
            boolean isMetricEnabled, AmazonWebServiceClient awsClient) {
        super(requestHandler2s, isMetricEnabled, awsClient);
    }

    @Override
    public void setSigner(Signer signer) {
        this.signer = signer;
    }

    @Override
    public Signer getSignerByURI(URI uri) {
        // We don't support the mutation of the request URI by the request
        // handlers in S3. Hence the signer will remain the same.
        return signer;
    }
}