public void deleteAllFiles(String folderName) { List<S3ObjectSummary> fileList = s3client.listObjects(bucketName, folderName).getObjectSummaries(); for (S3ObjectSummary file : fileList) { s3client.deleteObject(bucketName, file.getKey()); } }
@Override public void deleteObject(String container, String object, Config config) { super.deleteObject(container, object, config); try { client.deleteObject(container, object); } catch (AmazonS3Exception awse) { if (awse.getStatusCode() != HttpStatus.SC_NOT_FOUND) { throw new StorageException(awse); } } catch (Exception e) { throw new StorageException(e); } }
public void deleteUrlList(UrlList urlList) { // first get hash key from dynamo db try { String s3Key = Hash.hashKey(urlList.getParentUrl()); s3client.deleteObject(bucketName, s3Key); } catch (AmazonClientException e) { System.out.println( "S3UrlListDA : Exception while deleting document with id - " + urlList.getParentUrl()); e.printStackTrace(); } catch (NoSuchAlgorithmException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
@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); } }
@Override public F.Promise<Void> delete(String key) { Promise<Void> promise = Futures.promise(); AmazonS3 amazonS3 = new AmazonS3Client(credentials); DeleteObjectRequest request = new DeleteObjectRequest(bucketName, key); request.withGeneralProgressListener( progressEvent -> { if (progressEvent.getEventType().isTransferEvent()) { if (progressEvent.getEventType().equals(ProgressEventType.TRANSFER_COMPLETED_EVENT)) { promise.success(null); } else if (progressEvent .getEventType() .equals(ProgressEventType.TRANSFER_FAILED_EVENT)) { promise.failure(new Exception("Delete failed")); } } }); amazonS3.deleteObject(request); return F.Promise.wrap(promise.future()); }
public void uploadFile(String s, String file) throws UnsupportedEncodingException { InputStream inStream = new ByteArrayInputStream(s.getBytes("UTF-8")); s3client.deleteObject(bucketName, MasterAddrFileName); s3client.putObject(new PutObjectRequest(bucketName, file, inStream, new ObjectMetadata())); }
public static void main(String[] args) throws IOException { /* * This credentials provider implementation loads your AWS credentials * from a properties file at the root of your classpath. * * Important: Be sure to fill in your AWS access credentials in the * AwsCredentials.properties file before you try to run this * sample. * http://aws.amazon.com/security-credentials */ AmazonS3 s3 = new AmazonS3Client(new ClasspathPropertiesFileCredentialsProvider()); String bucketName = "my-first-s3-bucket-" + UUID.randomUUID(); String key = "MyObjectKey"; System.out.println("==========================================="); System.out.println("Getting Started with Amazon S3"); System.out.println("===========================================\n"); try { /* * Create a new S3 bucket - Amazon S3 bucket names are globally unique, * so once a bucket name has been taken by any user, you can't create * another bucket with that same name. * * You can optionally specify a location for your bucket if you want to * keep your data closer to your applications or users. */ System.out.println("Creating bucket " + bucketName + "\n"); s3.createBucket(bucketName); /* * List the buckets in your account */ System.out.println("Listing buckets"); for (Bucket bucket : s3.listBuckets()) { System.out.println(" - " + bucket.getName()); } System.out.println(); /* * Upload an object to your bucket - You can easily upload a file to * S3, or upload directly an InputStream if you know the length of * the data in the stream. You can also specify your own metadata * when uploading to S3, which allows you set a variety of options * like content-type and content-encoding, plus additional metadata * specific to your applications. */ System.out.println("Uploading a new object to S3 from a file\n"); s3.putObject(new PutObjectRequest(bucketName, key, createSampleFile())); /* * Download an object - When you download an object, you get all of * the object's metadata and a stream from which to read the contents. * It's important to read the contents of the stream as quickly as * possibly since the data is streamed directly from Amazon S3 and your * network connection will remain open until you read all the data or * close the input stream. * * GetObjectRequest also supports several other options, including * conditional downloading of objects based on modification times, * ETags, and selectively downloading a range of an object. */ System.out.println("Downloading an object"); S3Object object = s3.getObject(new GetObjectRequest(bucketName, key)); System.out.println("Content-Type: " + object.getObjectMetadata().getContentType()); displayTextInputStream(object.getObjectContent()); /* * List objects in your bucket by prefix - There are many options for * listing the objects in your bucket. Keep in mind that buckets with * many objects might truncate their results when listing their objects, * so be sure to check if the returned object listing is truncated, and * use the AmazonS3.listNextBatchOfObjects(...) operation to retrieve * additional results. */ System.out.println("Listing objects"); ObjectListing objectListing = s3.listObjects(new ListObjectsRequest().withBucketName(bucketName).withPrefix("My")); for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) { System.out.println( " - " + objectSummary.getKey() + " " + "(size = " + objectSummary.getSize() + ")"); } System.out.println(); /* * Delete an object - Unless versioning has been turned on for your bucket, * there is no way to undelete an object, so use caution when deleting objects. */ System.out.println("Deleting an object\n"); s3.deleteObject(bucketName, key); /* * Delete a bucket - A bucket must be completely empty before it can be * deleted, so remember to delete any objects from your buckets before * you try to delete them. */ System.out.println("Deleting bucket " + bucketName + "\n"); s3.deleteBucket(bucketName); } catch (AmazonServiceException ase) { System.out.println( "Caught an AmazonServiceException, which means your request made it " + "to Amazon S3, but was rejected with an error response for some reason."); System.out.println("Error Message: " + ase.getMessage()); System.out.println("HTTP Status Code: " + ase.getStatusCode()); System.out.println("AWS Error Code: " + ase.getErrorCode()); System.out.println("Error Type: " + ase.getErrorType()); System.out.println("Request ID: " + ase.getRequestId()); } catch (AmazonClientException ace) { System.out.println( "Caught an AmazonClientException, which means the client encountered " + "a serious internal problem while trying to communicate with S3, " + "such as not being able to access the network."); System.out.println("Error Message: " + ace.getMessage()); } }
// 从bucket中删除名为name的object public static void delObjectFromBucket(Bucket bucket, String name) { conn.deleteObject(bucket.getName(), name); }