Examples of com.amazonaws.services.s3.model.ObjectListing

com.amazonaws.services.s3.model.ObjectListing
Contains the results of listing the objects in an Amazon S3 bucket. This includes a list of {@link S3ObjectSummary} objects describing the objects stored inthe bucket, a list of common prefixes if a delimiter was specified in the request, information describing if this is a complete or partial listing, and the original request parameters. @see AmazonS3#listObjects(String,String) @see AmazonS3#listObjects(ListObjectsRequest) @see AmazonS3#listNextBatchOfObjects(ObjectListing)

            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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    }


    @Override
    public ImmutableMap<String, BlobMetaData> listBlobsByPrefix(@Nullable String blobNamePrefix) throws IOException {
        ImmutableMap.Builder<String, BlobMetaData> blobsBuilder = ImmutableMap.builder();
        ObjectListing prevListing = null;
        while (true) {
            ObjectListing list;
            if (prevListing != null) {
                list = blobStore.client().listNextBatchOfObjects(prevListing);
            } else {
                if (blobNamePrefix != null) {
                    list = blobStore.client().listObjects(blobStore.bucket(), buildKey(blobNamePrefix));
                } else {
                    list = blobStore.client().listObjects(blobStore.bucket(), keyPath);
                }
            }
            for (S3ObjectSummary summary : list.getObjectSummaries()) {
                String name = summary.getKey().substring(keyPath.length());
                blobsBuilder.put(name, new PlainBlobMetaData(name, summary.getSize()));
            }
            if (list.isTruncated()) {
                prevListing = list;
            } else {
                break;
            }
        }

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            // 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(region, accessKey, secretKey);
            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;
                    }
                }

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        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);
        
        Queue<Exchange> exchanges = createExchanges(listObjects.getObjectSummaries());
        return processBatch(CastUtils.cast(exchanges));
    }

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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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            throws AmazonClientException, AmazonServiceException {
        assertParameterNotNull(previousObjectListing,
                "The previous object listing parameter must be specified when listing the next batch of objects in a bucket");


        if (!previousObjectListing.isTruncated()) {
            ObjectListing emptyListing = new ObjectListing();
            emptyListing.setBucketName(previousObjectListing.getBucketName());
            emptyListing.setDelimiter(previousObjectListing.getDelimiter());
            emptyListing.setMarker(previousObjectListing.getNextMarker());
            emptyListing.setMaxKeys(previousObjectListing.getMaxKeys());
            emptyListing.setPrefix(previousObjectListing.getPrefix());
            emptyListing.setTruncated(false);


            return emptyListing;
        }


        return listObjects(new ListObjectsRequest(

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        // Recurse all virtual subdirectories to get a list of object summaries.
        // This is a depth-first search.
        do {
            String prefix = commonPrefixes.pop();
            ObjectListing listObjectsResponse = null;


            do {
                if ( listObjectsResponse == null ) {
                    ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(bucketName)
                            .withDelimiter(DEFAULT_DELIMITER).withPrefix(prefix);
                    listObjectsResponse = s3.listObjects(listObjectsRequest);
                } else {
                    listObjectsResponse = s3.listNextBatchOfObjects(listObjectsResponse);
                }


                for ( S3ObjectSummary s : listObjectsResponse.getObjectSummaries() ) {
                    // Skip any files that are also virtual directories, since
                    // we can't save both a directory and a file of the same
                    // name.
                    if ( !s.getKey().equals(prefix)
                            && !listObjectsResponse.getCommonPrefixes().contains(s.getKey() + DEFAULT_DELIMITER) ) {
                        objectSummaries.add(s);
                        totalSize += s.getSize();
                    } else {
                        log.debug("Skipping download for object " + s.getKey()
                                + " since it is also a virtual directory");
                    }
                }


                commonPrefixes.addAll(listObjectsResponse.getCommonPrefixes());
            } while ( listObjectsResponse.isTruncated() );
        } while ( !commonPrefixes.isEmpty() );


        TransferProgressImpl transferProgress = new TransferProgressImpl();
        transferProgress.setTotalBytesToTransfer(totalSize);
        ProgressListener listener = new TransferProgressUpdatingListener(transferProgress);

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    @Override public ImmutableBlobContainer immutableBlobContainer(BlobPath path) {
        return new S3ImmutableBlobContainer(path, this);
    }


    @Override public void delete(BlobPath path) {
        ObjectListing prevListing = null;
        while (true) {
            ObjectListing list;
            if (prevListing != null) {
                list = client.listNextBatchOfObjects(prevListing);
            } else {
                list = client.listObjects(bucket, path.buildAsString("/"));
            }
            for (S3ObjectSummary summary : list.getObjectSummaries()) {
                client.deleteObject(summary.getBucketName(), summary.getKey());
            }
            if (list.isTruncated()) {
                prevListing = list;
            } else {
                break;
            }
        }

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