Example usage for com.amazonaws.services.s3.model ObjectListing getBucketName

Introduction

In this page you can find the example usage for com.amazonaws.services.s3.model ObjectListing getBucketName.

Prototype

public String getBucketName() 

Source Link

Document

Gets the name of the Amazon S3 bucket containing the objects listed in this ObjectListing .

Usage

From source file:com.emc.vipr.s3.sample._00_CreateBucket.java

License:Open Source License

public static void main(String[] args) throws Exception {
    // create the ViPR S3 Client
    ViPRS3Client s3 = ViPRS3Factory.getS3Client();

    // create the bucket - used for subsequent demo operations
    s3.createBucket(ViPRS3Factory.S3_BUCKET);

    // get bucket listing to retrieve the bucket name
    ObjectListing objects = s3.listObjects(ViPRS3Factory.S3_BUCKET);

    // print bucket name for validation
    System.out.println(String.format("Successfully created bucket [%s]", objects.getBucketName()));
}

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From source file:com.upplication.s3fs.util.AmazonS3ClientMock.java

License:Open Source License

@Override
public ObjectListing listNextBatchOfObjects(ObjectListing previousObjectListing) {

    ObjectListing objectListing = new ObjectListing();
    objectListing.setBucketName(previousObjectListing.getBucketName());
    objectListing.setPrefix(previousObjectListing.getPrefix());
    objectListing.setMarker(previousObjectListing.getMarker());
    objectListing.setDelimiter(previousObjectListing.getDelimiter());

    if (!previousObjectListing.isTruncated() || previousObjectListing.getNextMarker() == null) {
        return objectListing;
    }// ww  w.  j a  va  2s . com

    Bucket bucket = find(previousObjectListing.getBucketName());
    Iterator<S3Element> iterator = objects.get(bucket).iterator();

    int i = 0;
    boolean continueElement = false;

    while (iterator.hasNext()) {

        S3Element elem = iterator.next();

        if (!continueElement && elem.getS3Object().getKey().equals(previousObjectListing.getNextMarker())) {
            continueElement = true;
        }

        if (continueElement) {
            // TODO. add delimiter and marker support
            if (previousObjectListing.getPrefix() != null
                    && elem.getS3Object().getKey().startsWith(previousObjectListing.getPrefix())) {

                S3ObjectSummary s3ObjectSummary = parseToS3ObjectSummary(elem);
                objectListing.getObjectSummaries().add(s3ObjectSummary);
                // max 1000 elements at same time.
                if (i + 1 == LIMIT_AWS_MAX_ELEMENTS && iterator.hasNext()) {
                    objectListing.setTruncated(true);
                    objectListing.setNextMarker(iterator.next().getS3Object().getKey());
                    return objectListing;
                } else {
                    objectListing.setTruncated(false);
                }

                i++;
            }
        }
    }

    return objectListing;
}

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From source file:org.elasticsearch.cloud.aws.blobstore.S3BlobStore.java

License:Apache License

@Override
public void delete(BlobPath path) {
    ObjectListing prevListing = null;/* w  ww  .  j  a  v a2 s . c om*/
    //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<KeyVersion> keys = new ArrayList<KeyVersion>();
    while (true) {
        ObjectListing list;
        if (prevListing != null) {
            list = client.listNextBatchOfObjects(prevListing);
        } else {
            String keyPath = path.buildAsString("/");
            if (!keyPath.isEmpty()) {
                keyPath = keyPath + "/";
            }
            list = client.listObjects(bucket, keyPath);
            multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
        }
        for (S3ObjectSummary summary : list.getObjectSummaries()) {
            keys.add(new 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);
    }
}

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From source file:org.elasticsearch.repositories.s3.S3BlobStore.java

License:Apache License

@Override
public void delete(BlobPath path) {
    AccessController.doPrivileged((PrivilegedAction<Object>) () -> {
        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<KeyVersion> keys = new ArrayList<>();
        while (true) {
            ObjectListing list;
            if (prevListing != null) {
                list = client.listNextBatchOfObjects(prevListing);
            } else {
                list = client.listObjects(bucket, path.buildAsString());
                multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
            }/*from  ww w  .ja  v  a2 s .  c  o m*/
            for (S3ObjectSummary summary : list.getObjectSummaries()) {
                keys.add(new 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);
        }
        return null;
    });
}

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