Examples with ObjectListing com.amazonaws.services.s3.model.ObjectListing used on opensource projects

Example 61 with ObjectListing

use of com.amazonaws.services.s3.model.ObjectListing in project gradle by gradle.

the class S3Client method listDirectChildren.

public List<String> listDirectChildren(URI parent) {
    S3RegionalResource s3RegionalResource = new S3RegionalResource(parent);
    String bucketName = s3RegionalResource.getBucketName();
    String s3BucketKey = s3RegionalResource.getKey();
    configureClient(s3RegionalResource);
    ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(bucketName).withPrefix(s3BucketKey).withMaxKeys(1000).withDelimiter("/");
    ObjectListing objectListing = amazonS3Client.listObjects(listObjectsRequest);
    ImmutableList.Builder<String> builder = ImmutableList.builder();
    builder.addAll(resourceResolver.resolveResourceNames(objectListing));
    while (objectListing.isTruncated()) {
        objectListing = amazonS3Client.listNextBatchOfObjects(objectListing);
        builder.addAll(resourceResolver.resolveResourceNames(objectListing));
    }
    return builder.build();
}

Example 62 with ObjectListing

use of com.amazonaws.services.s3.model.ObjectListing in project elasticsearch by elastic.

the class AbstractS3SnapshotRestoreTest method cleanRepositoryFiles.

/**
     * Deletes content of the repository files in the bucket
     */
public void cleanRepositoryFiles(String basePath) {
    Settings settings = internalCluster().getInstance(Settings.class);
    Settings[] buckets = { settings.getByPrefix("repositories.s3."), settings.getByPrefix("repositories.s3.private-bucket."), settings.getByPrefix("repositories.s3.remote-bucket."), settings.getByPrefix("repositories.s3.external-bucket.") };
    for (Settings bucket : buckets) {
        String bucketName = bucket.get("bucket");
        // We check that settings has been set in elasticsearch.yml integration test file
        // as described in README
        assertThat("Your settings in elasticsearch.yml are incorrects. Check README file.", bucketName, notNullValue());
        AmazonS3 client = internalCluster().getInstance(AwsS3Service.class).client(Settings.EMPTY, null, randomBoolean(), null);
        try {
            ObjectListing prevListing = null;
            //From http://docs.amazonwebservices.com/AmazonS3/latest/dev/DeletingMultipleObjectsUsingJava.html
            //we can do at most 1K objects per delete
            //We don't know the bucket name until first object listing
            DeleteObjectsRequest multiObjectDeleteRequest = null;
            ArrayList<DeleteObjectsRequest.KeyVersion> keys = new ArrayList<DeleteObjectsRequest.KeyVersion>();
            while (true) {
                ObjectListing list;
                if (prevListing != null) {
                    list = client.listNextBatchOfObjects(prevListing);
                } else {
                    list = client.listObjects(bucketName, basePath);
                    multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
                }
                for (S3ObjectSummary summary : list.getObjectSummaries()) {
                    keys.add(new DeleteObjectsRequest.KeyVersion(summary.getKey()));
                    //Every 500 objects batch the delete request
                    if (keys.size() > 500) {
                        multiObjectDeleteRequest.setKeys(keys);
                        client.deleteObjects(multiObjectDeleteRequest);
                        multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
                        keys.clear();
                    }
                }
                if (list.isTruncated()) {
                    prevListing = list;
                } else {
                    break;
                }
            }
            if (!keys.isEmpty()) {
                multiObjectDeleteRequest.setKeys(keys);
                client.deleteObjects(multiObjectDeleteRequest);
            }
        } catch (Exception ex) {
            logger.warn((Supplier<?>) () -> new ParameterizedMessage("Failed to delete S3 repository [{}]", bucketName), ex);
        }
    }
}

Example 63 with ObjectListing

use of com.amazonaws.services.s3.model.ObjectListing in project elasticsearch by elastic.

the class MockAmazonS3 method listObjects.

@Override
public ObjectListing listObjects(ListObjectsRequest listObjectsRequest) throws AmazonClientException, AmazonServiceException {
    MockObjectListing list = new MockObjectListing();
    list.setTruncated(false);
    String blobName;
    String prefix = listObjectsRequest.getPrefix();
    ArrayList<S3ObjectSummary> mockObjectSummaries = new ArrayList<>();
    for (Map.Entry<String, InputStream> blob : blobs.entrySet()) {
        blobName = blob.getKey();
        S3ObjectSummary objectSummary = new S3ObjectSummary();
        if (prefix.isEmpty() || blobName.startsWith(prefix)) {
            objectSummary.setKey(blobName);
            try {
                objectSummary.setSize(getSize(blob.getValue()));
            } catch (IOException e) {
                throw new AmazonS3Exception("Object listing " + "failed for blob [" + blob.getKey() + "]");
            }
            mockObjectSummaries.add(objectSummary);
        }
    }
    list.setObjectSummaries(mockObjectSummaries);
    return list;
}

Example 64 with ObjectListing

use of com.amazonaws.services.s3.model.ObjectListing in project zeppelin by apache.

the class S3NotebookRepo method remove.

@Override
public void remove(String noteId, AuthenticationInfo subject) throws IOException {
    String key = user + "/" + "notebook" + "/" + noteId;
    final ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(bucketName).withPrefix(key);
    try {
        ObjectListing objects = s3client.listObjects(listObjectsRequest);
        do {
            for (S3ObjectSummary objectSummary : objects.getObjectSummaries()) {
                s3client.deleteObject(bucketName, objectSummary.getKey());
            }
            objects = s3client.listNextBatchOfObjects(objects);
        } while (objects.isTruncated());
    } catch (AmazonClientException ace) {
        throw new IOException("Unable to remove note in S3: " + ace, ace);
    }
}

Example 65 with ObjectListing

use of com.amazonaws.services.s3.model.ObjectListing in project YCSB by brianfrankcooper.

the class S3Client method scanFromStorage.

/**
  * Perform an emulation of a database scan operation on a S3 bucket.
  *
  * @param bucket
  *            The name of the bucket
  * @param startkey
  *            The file key of the first file to read.
  * @param recordcount
  *            The number of files to read
  * @param fields
  *            The list of fields to read, or null for all of them
  * @param result
  *            A Vector of HashMaps, where each HashMap is a set field/value
  *            pairs for one file
  *
  */
protected Status scanFromStorage(String bucket, String startkey, int recordcount, Vector<HashMap<String, ByteIterator>> result, SSECustomerKey ssecLocal) {
    int counter = 0;
    ObjectListing listing = s3Client.listObjects(bucket);
    List<S3ObjectSummary> summaries = listing.getObjectSummaries();
    List<String> keyList = new ArrayList();
    int startkeyNumber = 0;
    int numberOfIteration = 0;
    // getting the list of files in the bucket
    while (listing.isTruncated()) {
        listing = s3Client.listNextBatchOfObjects(listing);
        summaries.addAll(listing.getObjectSummaries());
    }
    for (S3ObjectSummary summary : summaries) {
        String summaryKey = summary.getKey();
        keyList.add(summaryKey);
    }
    // Sorting the list of files in Alphabetical order
    // sorting the list
    Collections.sort(keyList);
    // Getting the position of the startingfile for the scan
    for (String key : keyList) {
        if (key.equals(startkey)) {
            startkeyNumber = counter;
        } else {
            counter = counter + 1;
        }
    }
    // if not using the total number of Files
    if (recordcount < keyList.size()) {
        numberOfIteration = recordcount;
    } else {
        numberOfIteration = keyList.size();
    }
    // of the Files or Till the recordcount number
    for (int i = startkeyNumber; i < numberOfIteration; i++) {
        HashMap<String, ByteIterator> resultTemp = new HashMap<String, ByteIterator>();
        readFromStorage(bucket, keyList.get(i), resultTemp, ssecLocal);
        result.add(resultTemp);
    }
    return Status.OK;
}