Examples with TransferManager com.amazonaws.services.s3.transfer.TransferManager used on opensource projects

Example 46 with TransferManager

use of com.amazonaws.services.s3.transfer.TransferManager in project carina by qaprosoft.

the class AmazonS3Manager method download.

/**
 * Method to download file from s3 to local file system
 *
 * @param bucketName AWS S3 bucket name
 * @param key (example: android/apkFolder/ApkName.apk)
 * @param file (local file name)
 * @param pollingInterval (polling interval in sec for S3 download status determination)
 */
public void download(final String bucketName, final String key, final File file, long pollingInterval) {
    LOGGER.info("App will be downloaded from s3.");
    LOGGER.info(String.format("[Bucket name: %s] [Key: %s] [File: %s]", bucketName, key, file.getAbsolutePath()));
    DefaultAWSCredentialsProviderChain credentialProviderChain = new DefaultAWSCredentialsProviderChain();
    TransferManager tx = new TransferManager(credentialProviderChain.getCredentials());
    Download appDownload = tx.download(bucketName, key, file);
    try {
        LOGGER.info("Transfer: " + appDownload.getDescription());
        LOGGER.info("	State: " + appDownload.getState());
        LOGGER.info("	Progress: ");
        // You can poll your transfer's status to check its progress
        while (!appDownload.isDone()) {
            LOGGER.info("		transferred: " + (int) (appDownload.getProgress().getPercentTransferred() + 0.5) + "%");
            CommonUtils.pause(pollingInterval);
        }
        LOGGER.info("	State: " + appDownload.getState());
    // appDownload.waitForCompletion();
    } catch (AmazonClientException e) {
        throw new RuntimeException("File wasn't downloaded from s3. See log: ".concat(e.getMessage()));
    }
// tx.shutdownNow();
}