Package com.amazonaws.services.s3.transfer.internal

Examples of com.amazonaws.services.s3.transfer.internal.CopyCallable


       
        String bucketName = getConfiguration().getBucketName();
        LOG.trace("Quering whether bucket [{}] already exists...", bucketName);
       
        try {
            getS3Client().listObjects(new ListObjectsRequest(bucketName, null, null, null, 0));
            LOG.trace("Bucket [{}] already exists", bucketName);
            return;
        } catch (AmazonServiceException ase) {
            /* 404 means the bucket doesn't exist */
            if (ase.getStatusCode() != 404) {
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        pendingExchanges = 0;
       
        String bucketName = getConfiguration().getBucketName();
        LOG.trace("Quering objects in bucket [{}]...", bucketName);
       
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest();
        listObjectsRequest.setBucketName(bucketName);
        listObjectsRequest.setMaxKeys(getMaxMessagesPerPoll());
       
        ObjectListing listObjects = getAmazonS3Client().listObjects(listObjectsRequest);
       
        LOG.trace("Found {} objects in bucket [{}]...", listObjects.getObjectSummaries().size(), bucketName);
       
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    /* (non-Javadoc)
     * @see com.amazonaws.services.s3.AmazonS3#listObjects(java.lang.String)
     */
    public ObjectListing listObjects(String bucketName)
            throws AmazonClientException, AmazonServiceException {
        return listObjects(new ListObjectsRequest(bucketName, null, null, null, null));
    }
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    /* (non-Javadoc)
     * @see com.amazonaws.services.s3.AmazonS3#listObjects(java.lang.String, java.lang.String)
     */
    public ObjectListing listObjects(String bucketName, String prefix)
            throws AmazonClientException, AmazonServiceException {
        return listObjects(new ListObjectsRequest(bucketName, prefix, null, null, null));
    }
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            emptyListing.setTruncated(false);

            return emptyListing;
        }

        return listObjects(new ListObjectsRequest(
                previousObjectListing.getBucketName(),
                previousObjectListing.getPrefix(),
                previousObjectListing.getNextMarker(),
                previousObjectListing.getDelimiter(),
                new Integer( previousObjectListing.getMaxKeys() ) ));
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     */
    public boolean doesBucketExist(String bucketName)
        throws AmazonClientException, AmazonServiceException {

        try {
            listObjects(new ListObjectsRequest(bucketName, null, null, null, 0));

            // it exists and the current account owns it
            return true;
        } catch (AmazonServiceException ase) {
            switch (ase.getStatusCode()) {
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            emptyListing.setTruncated(false);

            return emptyListing;
        }

        return listVersions(new ListVersionsRequest(
                previousVersionListing.getBucketName(),
                previousVersionListing.getPrefix(),
                previousVersionListing.getNextKeyMarker(),
                previousVersionListing.getNextVersionIdMarker(),
                previousVersionListing.getDelimiter(),
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            AmazonServiceException ex = new AmazonServiceException("Unknow bucket");
            ex.setStatusCode(404);
            throw ex;
        }
       
        ObjectListing objectListing = new ObjectListing();
        int capacity = listObjectsRequest.getMaxKeys();
       
        for (int index = 0; index < objects.size() && index < capacity; index++) {
            S3ObjectSummary s3ObjectSummary = new S3ObjectSummary();
            s3ObjectSummary.setBucketName(objects.get(index).getBucketName());
            s3ObjectSummary.setKey(objects.get(index).getKey());
           
            objectListing.getObjectSummaries().add(s3ObjectSummary);
        }

        return objectListing;
    }
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                if("way-out/".equals(r.getPrefix())) {
                    ok=true;
                }
                if(ok) {
                    return new ObjectListing() {
                        @Override
                        public List<S3ObjectSummary> getObjectSummaries() {
                            return out;
                        }
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        return new S3BlobContainer(path, this);
    }

    @Override
    public void delete(BlobPath path) {
        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<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;
            }
        }
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