List of usage examples for com.amazonaws.services.s3.model ObjectListing getObjectSummaries
public List<S3ObjectSummary> getObjectSummaries()
From source file:aws.sample.S3Sample.java
License:Open Source License
public static void main(String[] args) throws IOException { /*/* w ww . j a va 2s.c om*/ * 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 PropertiesCredentials(S3Sample.class.getResourceAsStream("/AwsCredentials.properties"))); 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()); } }
From source file:awslabs.lab21.SolutionCode.java
License:Open Source License
@Override public void listObjects(AmazonS3 s3Client, String bucketName) { // Construct a ListObjectsRequest object using the provided bucket name. ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(bucketName); // Submit the request using the listObjects method of the s3Client object. ObjectListing objectListing = s3Client.listObjects(listObjectsRequest); // Take the results and write the object keys and sizes to the console. for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) { System.out.println(objectSummary.getKey() + " (size: " + objectSummary.getSize() + ")"); }/*from w ww .j a v a 2 s . c o m*/ }
From source file:awslabs.lab41.SolutionCode.java
License:Open Source License
@Override public void removeLabBuckets(AmazonS3Client s3Client, List<String> bucketNames) { for (String bucketName : bucketNames) { try {//from www .j av a2 s. c o m ObjectListing objectListing = s3Client .listObjects(new ListObjectsRequest().withBucketName(bucketName)); for (S3ObjectSummary s3ObjectSummary : objectListing.getObjectSummaries()) { DeleteObjectRequest deleteObjectRequest = new DeleteObjectRequest( s3ObjectSummary.getBucketName(), s3ObjectSummary.getKey()); s3Client.deleteObject(deleteObjectRequest); } s3Client.deleteBucket(new DeleteBucketRequest(bucketName)); } catch (AmazonS3Exception s3E) { if (!s3E.getErrorCode().equals("NoSuchBucket")) { // This error wasn't expected, so rethrow. throw s3E; } } } }
From source file:backup.store.s3.S3BackupStoreUtil.java
License:Apache License
public static void removeAllObjects(String bucketName) throws Exception { AmazonS3Client client = new AmazonS3Client(new DefaultAWSCredentialsProviderChain()); ObjectListing listObjects = client.listObjects(bucketName); List<S3ObjectSummary> objectSummaries = listObjects.getObjectSummaries(); for (S3ObjectSummary objectSummary : objectSummaries) { String key = objectSummary.getKey(); client.deleteObject(bucketName, key); }//from w w w . j a va2 s. c o m }
From source file:backup.store.s3.S3BackupStoreUtil.java
License:Apache License
public static void removeAllObjects(String bucketName, String prefix) throws Exception { AmazonS3Client client = new AmazonS3Client(new DefaultAWSCredentialsProviderChain()); ObjectListing listObjects = client.listObjects(bucketName); List<S3ObjectSummary> objectSummaries = listObjects.getObjectSummaries(); for (S3ObjectSummary objectSummary : objectSummaries) { String key = objectSummary.getKey(); if (key.startsWith(prefix)) { client.deleteObject(bucketName, key); }// ww w .ja va 2 s.c om } }
From source file:br.com.tamandua.aws.S3Sample.java
License:Open Source License
public static void main(String[] args) throws IOException { /*//from w ww. j a va 2s .c o m * 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 PropertiesCredentials(S3Sample.class.getResourceAsStream("AwsCredentials.properties"))); String bucketName = "test-bucket-everton-" + UUID.randomUUID(); String key = "somekey"; 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("some")); 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()); } }
From source file:br.com.unb.aws.client.S3ClientV1.java
License:Open Source License
public static void main(String[] args) throws IOException { /*/*from ww w . j a v a 2s. c o m*/ * Create your credentials file at ~/.aws/credentials (C:\Users\USER_NAME\.aws\credentials for Windows users) * and save the following lines after replacing the underlined values with your own. * * [default] * aws_access_key_id = YOUR_ACCESS_KEY_ID * aws_secret_access_key = YOUR_SECRET_ACCESS_KEY */ AmazonS3 s3 = new AmazonS3Client(); Region usWest2 = Region.getRegion(Regions.US_WEST_2); s3.setRegion(usWest2); 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()); } }
From source file:c3.ops.priam.aws.S3PrefixIterator.java
License:Apache License
/** * Check to see if the path exists for the date *///from w w w. j ava2s . c om private boolean pathExistsForDate(String tprefix, String datestr) { ListObjectsRequest listReq = new ListObjectsRequest(); // Get list of tokens listReq.setBucketName(bucket); listReq.setPrefix(tprefix + datestr); ObjectListing listing; listing = s3Client.listObjects(listReq); if (listing.getObjectSummaries().size() > 0) return true; return false; }
From source file:ca.pgon.amazons3masscontenttype.App.java
License:Apache License
private static void process(ObjectListing objectListing) { for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) { // Show the key String key = objectSummary.getKey(); System.out.println(key);/*from ww w . j a v a2 s. c o m*/ // Get the metadata and check the content type ObjectMetadata objectMetadata = amazonS3Client.getObjectMetadata(bucketName, key); System.out.println("\tCurrent content type: " + objectMetadata.getContentType()); if (!contentType.equals(objectMetadata.getContentType())) { System.out.println("\tChanging content type for : " + contentType); objectMetadata.setContentType(contentType); // Get the current ACL AccessControlList accessControlList = amazonS3Client.getObjectAcl(bucketName, key); // Modify the file CopyObjectRequest copyObjectRequest = new CopyObjectRequest(bucketName, key, bucketName, key); copyObjectRequest.withNewObjectMetadata(objectMetadata); copyObjectRequest.withAccessControlList(accessControlList); amazonS3Client.copyObject(copyObjectRequest); } ++count; } }
From source file:ch.admin.isb.hermes5.persistence.s3.S3RemoteAdapter.java
License:Apache License
@Override public List<String> deletePath(String path) { List<String> keys = new ArrayList<String>(); ObjectListing listObjects = s3.listObjects(this.bucketName.getStringValue(), path); List<S3ObjectSummary> objectSummaries = listObjects.getObjectSummaries(); if (!objectSummaries.isEmpty()) { DeleteObjectsRequest deleteObjectsRequest = new DeleteObjectsRequest(bucketName.getStringValue()); for (S3ObjectSummary s3ObjectSummary : objectSummaries) { String key = s3ObjectSummary.getKey(); keys.add(key);//from w w w . j a v a 2 s . c o m deleteObjectsRequest.getKeys().add(new KeyVersion(key)); } s3.deleteObjects(deleteObjectsRequest); } return keys; }