Examples with AmazonS3 com.amazonaws.services.s3.AmazonS3 used on opensource projects

Example 6 with AmazonS3

use of com.amazonaws.services.s3.AmazonS3 in project deeplearning4j by deeplearning4j.

the class S3Downloader method objectForKey.

/**
     * Returns an input stream for the given bucket and key
     * @param bucket the bucket to retrieve from
     * @param key the key of the objec  t
     * @return an input stream to the object
     */
public InputStream objectForKey(String bucket, String key) {
    AmazonS3 s3 = getClient();
    S3Object obj = s3.getObject(bucket, key);
    InputStream is = obj.getObjectContent();
    return is;
}

Example 7 with AmazonS3

use of com.amazonaws.services.s3.AmazonS3 in project deeplearning4j by deeplearning4j.

the class S3Downloader method keysForBucket.

/**
     * Return the keys for a bucket
     * @param bucket the bucket to get the keys for
     * @return the bucket's keys
     */
public List<String> keysForBucket(String bucket) {
    AmazonS3 s3 = getClient();
    List<String> ret = new ArrayList<>();
    ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(bucket);
    ObjectListing objectListing;
    do {
        objectListing = s3.listObjects(listObjectsRequest);
        for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) {
            ret.add(objectSummary.getKey());
        }
        listObjectsRequest.setMarker(objectListing.getNextMarker());
    } while (objectListing.isTruncated());
    return ret;
}

Example 8 with AmazonS3

use of com.amazonaws.services.s3.AmazonS3 in project deeplearning4j by deeplearning4j.

the class S3Downloader method download.

public void download(String bucket, String key, OutputStream to) throws IOException {
    AmazonS3 s3 = getClient();
    S3Object obj = s3.getObject(bucket, key);
    InputStream is = obj.getObjectContent();
    BufferedOutputStream bos = new BufferedOutputStream(to);
    IOUtils.copy(is, bos);
    bos.close();
    is.close();
    obj.close();
}

Example 9 with AmazonS3

use of com.amazonaws.services.s3.AmazonS3 in project deeplearning4j by deeplearning4j.

the class S3Downloader method buckets.

/**
     * Returns the list of buckets in s3
     * @return the list of buckets
     */
public List<String> buckets() {
    List<String> ret = new ArrayList<>();
    AmazonS3 s3 = getClient();
    List<Bucket> buckets = s3.listBuckets();
    for (Bucket b : buckets) ret.add(b.getName());
    return ret;
}

Example 10 with AmazonS3

use of com.amazonaws.services.s3.AmazonS3 in project deeplearning4j by deeplearning4j.

the class S3Downloader method download.

public void download(String bucket, String key, File to) throws IOException {
    AmazonS3 s3 = getClient();
    S3Object obj = s3.getObject(bucket, key);
    InputStream is = obj.getObjectContent();
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(to));
    IOUtils.copy(is, bos);
    bos.close();
    is.close();
    obj.close();
}