Java Code Examples for com.amazonaws.services.s3.model.S3ObjectSummary#getETag()
The following examples show how to use
com.amazonaws.services.s3.model.S3ObjectSummary#getETag() .
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Example 1
Source File: StorageObjectSummary.java From snowflake-jdbc with Apache License 2.0 | 5 votes |
/** * Contructs a StorageObjectSummary object from the S3 equivalent S3ObjectSummary * * @param objSummary the AWS S3 ObjectSummary object to copy from * @return the ObjectSummary object created */ public static StorageObjectSummary createFromS3ObjectSummary(S3ObjectSummary objSummary) { return new StorageObjectSummary( objSummary.getBucketName(), objSummary.getKey(), // S3 ETag is not always MD5, but since this code path is only // used in skip duplicate files in PUT command, It's not // critical to guarantee that it's MD5 objSummary.getETag(), objSummary.getSize() ); }
Example 2
Source File: S3Spooler.java From datacollector with Apache License 2.0 | 4 votes |
private void findAndQueueObjects( AmazonS3Source amazonS3Source, BatchContext batchContext ) throws AmazonClientException { S3Offset s3offset; if (lastElementAddedToQueue != null) { s3offset = lastElementAddedToQueue; } else { s3offset = amazonS3Source.getLatestOffset(); } List<S3ObjectSummary> s3ObjectSummaries; if (!AWSUtil.containsWildcard(s3ConfigBean.s3FileConfig.prefixPattern)) { // No wildcard in the prefixPattern - don't need to scan the bucket s3ObjectSummaries = AmazonS3Util.getObjectNoWildcard(s3Client, s3ConfigBean, s3offset, s3ConfigBean.s3FileConfig.prefixPattern); } else { ObjectOrdering objectOrdering = s3ConfigBean.s3FileConfig.objectOrdering; switch (objectOrdering) { case TIMESTAMP: s3ObjectSummaries = AmazonS3Util.listObjectsChronologically(s3Client, s3ConfigBean, pathMatcher, s3offset, objectQueue.remainingCapacity() ); break; case LEXICOGRAPHICAL: s3ObjectSummaries = AmazonS3Util.listObjectsLexicographically(s3Client, s3ConfigBean, pathMatcher, s3offset, objectQueue.remainingCapacity() ); break; default: throw new IllegalArgumentException("Unknown ordering: " + objectOrdering.getLabel()); } } for (S3ObjectSummary objectSummary : s3ObjectSummaries) { addObjectToQueue(objectSummary); } spoolQueueMeter.mark(objectQueue.size()); LOG.debug("Found '{}' files", objectQueue.size()); if (s3ObjectSummaries.isEmpty()) { // Before sending the event we will check that all the threads have finished with their objects, if yes, we // send the event as normal, if not we will skip and try to send it again if the queue is still empty when the // next thread tries to fill the queue. If the event is sent we will set the newDataAfterEventSent to false to // indicate that we should not send new events until we get more new data if (newDataAfterEventSent) { newDataAfterEventSent = !amazonS3Source.sendNoMoreDataEvent(batchContext); } } else { // If it is the last element save it to keep track of the last element added to the queue S3ObjectSummary s3ObjectSummary = s3ObjectSummaries.get(s3ObjectSummaries.size() - 1); lastElementAddedToQueue = new S3Offset(s3ObjectSummary.getKey(), S3Constants.MINUS_ONE, s3ObjectSummary.getETag(), String.valueOf(s3ObjectSummary.getLastModified().getTime()) ); // If we previously sent a no-more-data event and we have new objects now, let's reset the event to be able to // send it again. if (!newDataAfterEventSent) { amazonS3Source.restartNoMoreDataEvent(); newDataAfterEventSent = true; } } }
Example 3
Source File: BucketClass.java From cloudExplorer with GNU General Public License v3.0 | 4 votes |
String getObjectInfo(String key, String access_key, String secret_key, String bucket, String endpoint, String process ) { AWSCredentials credentials = new BasicAWSCredentials(access_key, secret_key); AmazonS3 s3Client = new AmazonS3Client(credentials, new ClientConfiguration()); if (endpoint.contains("amazonaws.com")) { String aws_endpoint = s3Client.getBucketLocation(new GetBucketLocationRequest(bucket)); if (aws_endpoint.contains("US")) { s3Client.setEndpoint("https://s3.amazonaws.com"); } else if (aws_endpoint.contains("us-west")) { s3Client.setEndpoint("https://s3-" + aws_endpoint + ".amazonaws.com"); } else if (aws_endpoint.contains("eu-west")) { s3Client.setEndpoint("https://s3-" + aws_endpoint + ".amazonaws.com"); } else if (aws_endpoint.contains("ap-")) { s3Client.setEndpoint("https://s3-" + aws_endpoint + ".amazonaws.com"); } else if (aws_endpoint.contains("sa-east-1")) { s3Client.setEndpoint("https://s3-" + aws_endpoint + ".amazonaws.com"); } else { s3Client.setEndpoint("https://s3." + aws_endpoint + ".amazonaws.com"); } } else { s3Client.setS3ClientOptions(S3ClientOptions.builder().setPathStyleAccess(true).build()); s3Client.setEndpoint(endpoint); } objectlist = null; try { ObjectListing current = s3Client.listObjects((bucket)); ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(bucket); ObjectListing objectListing; do { objectListing = s3Client.listObjects(listObjectsRequest); for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) { if (process.contains("checkmd5")) { if (objectSummary.getKey().contains(key)) { objectlist = objectSummary.getETag(); break; } } if (process.contains("objectsize")) { if (objectSummary.getKey().contains(key)) { objectlist = String.valueOf(objectSummary.getSize()); break; } } if (process.contains("objectdate")) { if (objectSummary.getKey().contains(key)) { objectlist = String.valueOf(objectSummary.getLastModified()); break; } } } listObjectsRequest.setMarker(objectListing.getNextMarker()); } while (objectListing.isTruncated()); } catch (Exception listBucket) { // mainFrame.jTextArea1.append("\n" + listBucket.getMessage()); } return objectlist; }