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The AWS Java SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service
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/*
* Copyright 2010-2024 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.transfer.internal;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.event.ProgressListenerChain;
import com.amazonaws.services.s3.transfer.PauseResult;
import com.amazonaws.services.s3.transfer.PauseStatus;
import com.amazonaws.services.s3.transfer.PersistableUpload;
import com.amazonaws.services.s3.transfer.TransferProgress;
import com.amazonaws.services.s3.transfer.Upload;
import com.amazonaws.services.s3.transfer.exception.PauseException;
import com.amazonaws.services.s3.transfer.model.UploadResult;
public class UploadImpl extends AbstractTransfer implements Upload {
public UploadImpl(String description, TransferProgress transferProgressInternalState,
ProgressListenerChain progressListenerChain, TransferStateChangeListener listener) {
super(description, transferProgressInternalState, progressListenerChain, listener);
}
/**
* Waits for this upload to complete and returns the result of this upload.
* This is a blocking call. 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 UploadResult waitForUploadResult()
throws AmazonClientException, AmazonServiceException, InterruptedException {
try {
UploadResult result = null;
while (!monitor.isDone() || result == null) {
Future> f = monitor.getFuture();
result = (UploadResult)f.get();
}
return result;
} catch (ExecutionException e) {
rethrowExecutionException(e);
return null;
}
}
/*
* (non-Javadoc)
*
* @see com.amazonaws.services.s3.transfer.Upload#pause()
*/
@Override
public PersistableUpload pause() throws PauseException {
PauseResult pauseResult = pause(true);
if (pauseResult.getPauseStatus() != PauseStatus.SUCCESS) {
throw new PauseException(pauseResult.getPauseStatus());
}
return pauseResult.getInfoToResume();
}
/**
* Tries to pause and return the information required to resume the upload
* operation.
*/
private PauseResult pause(
final boolean forceCancelTransfers) throws AmazonClientException {
UploadMonitor uploadMonitor = (UploadMonitor) monitor;
return uploadMonitor.pause(forceCancelTransfers);
}
/*
* (non-Javadoc)
*
* @see com.amazonaws.services.s3.transfer.Upload#tryPause(boolean)
*/
@Override
public PauseResult tryPause(boolean forceCancelTransfers) {
return pause(forceCancelTransfers);
}
/*
* (non-Javadoc)
*
* @see com.amazonaws.services.s3.transfer.Upload#abort()
*/
@Override
public void abort() {
UploadMonitor uploadMonitor = (UploadMonitor) monitor;
uploadMonitor.performAbort();
}
}
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