com.amazonaws.mobileconnectors.s3.transfermanager.internal.CopyImpl Maven / Gradle / Ivy

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/*
 * Copyright 2010-2014 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.mobileconnectors.s3.transfermanager.internal;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.mobileconnectors.s3.transfermanager.Copy;
import com.amazonaws.mobileconnectors.s3.transfermanager.TransferProgress;
import com.amazonaws.mobileconnectors.s3.transfermanager.model.CopyResult;

/**
 * An implementation of the Copy Interface that helps in retrieving the result
 * of the copy operation.
 */
public class CopyImpl extends AbstractTransfer implements Copy {

    public CopyImpl(String description, TransferProgress transferProgress,
            com.amazonaws.event.ProgressListenerChain progressListenerChain,
            TransferStateChangeListener stateChangeListener) {
        super(description, transferProgress, progressListenerChain,
                stateChangeListener);
    }

    /**
     * Waits for this copy operation to complete and returns the result of the
     * operation. Be prepared to handle errors when calling this method. Any
     * errors that occurred during the asynchronous transfer will be re-thrown
     * through this method.
     *
     * @return The result of this transfer.
     *
     * @throws AmazonClientException
     *             If any errors were encountered in the client while making the
     *             request or handling the response.
     * @throws AmazonServiceException
     *             If any errors occurred in Amazon S3 while processing the
     *             request.
     * @throws InterruptedException
     *             If this thread is interrupted while waiting for the upload to
     *             complete.
     */
    public CopyResult waitForCopyResult() throws AmazonClientException,
            AmazonServiceException, InterruptedException {
        try {
            CopyResult result = null;
            while (!monitor.isDone() || result == null) {
                Future f = monitor.getFuture();
                result = (CopyResult) f.get();
            }
            return result;
        } catch (ExecutionException e) {
            rethrowExecutionException(e);
            return null;
        }
    }
}