List of usage examples for com.amazonaws.services.s3 AmazonS3 listObjects
public ObjectListing listObjects(ListObjectsRequest listObjectsRequest) throws SdkClientException, AmazonServiceException;
Returns a list of summary information about the objects in the specified bucket.
From source file:com.springboot.demo.framework.aws.s3.S3Sample.java
License:Open Source License
public static void main(String[] args) throws IOException { /*// w w w .j a va2 s.c o m * The ProfileCredentialsProvider will return your [default] * credential profile by reading from the credentials file located at * (~/.aws/credentials). */ AWSCredentials basicCredentials = new BasicAWSCredentials(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY); AWSCredentials credentials = null; try { credentials = new ProfileCredentialsProvider().getCredentials(); } catch (Exception e) { throw new AmazonClientException("Cannot load the credentials from the credential profiles file. " + "Please make sure that your credentials file is at the correct " + "location (~/.aws/credentials), and is in valid format.", e); } /* * Create S3 Client */ AmazonS3 s3 = AmazonS3ClientBuilder.defaultClient(); 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())); /* * Returns an URL for the object stored in the specified bucket and key */ URL url = s3.getUrl(bucketName, key); System.out.println("upload file url : " + url.toString()); /* * 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:com.supprema.utils.S3Sample.java
License:Open Source License
public static void main(String[] args) throws IOException { /*//www. j a v a 2 s .com * The ProfileCredentialsProvider will return your [fabiano-user-s3] * credential profile by reading from the credentials file located at * (/Users/fabianorodriguesmatias/.aws/credentials). */ AWSCredentials credentials = null; try { credentials = new ProfileCredentialsProvider("fabiano-user-s3").getCredentials(); } catch (Exception e) { throw new AmazonClientException( "Cannot load the credentials from the credential profiles file. " + "Please make sure that your credentials file is at the correct " + "location (/Users/fabianorodriguesmatias/.aws/credentials), and is in valid format.", e); } AmazonS3 s3 = new AmazonS3Client(credentials); 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:com.topera.epoch.service.S3Util.java
License:Open Source License
public static void main(String[] args) throws IOException { /*//from ww w. j a v a2 s. 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 */ AWSCredentials creds = new AWSCredentials() { public String getAWSSecretKey() { // TODO Auto-generated method stub return "5VVtmI7vcecuVbw8JsG4uo2O1/9RwwLHrTT01Itz"; } public String getAWSAccessKeyId() { // TODO Auto-generated method stub return "AKIAJCMYALI46A2DIPRQ"; } }; AmazonS3 s3 = new AmazonS3Client(creds); 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:com.ub.ml.S3Sample.java
License:Open Source License
public static void main(String[] args) throws IOException { /*/*w ww .j ava 2 s .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_EAST_1); 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:com.uiintl.backup.agent.samples.S3Sample.java
License:Open Source License
public static void main2(String[] args) throws IOException { /*//from w w w .j av a2s. c o m * 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()); Region usWest2 = Region.getRegion(Regions.AP_SOUTHEAST_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:com.yahoo.athenz.zts.store.impl.S3ChangeLogStore.java
License:Apache License
/** * list the objects in the zts bucket. If the mod time is specified as 0 * then we want to list all objects otherwise, we only list objects * that are newer than the specified timestamp * @param s3 AWS S3 client object//from w w w .ja v a2 s.c om * @param domains collection to be updated to include domain names * @param modTime only include domains newer than this timestamp */ void listObjects(AmazonS3 s3, Collection<String> domains, long modTime) { if (LOGGER.isDebugEnabled()) { LOGGER.debug("listObjects: Retrieving domains from {} with mod time > {}", s3BucketName, modTime); } ObjectListing objectListing = s3.listObjects(new ListObjectsRequest().withBucketName(s3BucketName)); String objectName; while (objectListing != null) { // process each entry in our result set and add the domain // name to our return list final List<S3ObjectSummary> objectSummaries = objectListing.getObjectSummaries(); boolean listTruncated = objectListing.isTruncated(); if (LOGGER.isDebugEnabled()) { LOGGER.debug("listObjects: retrieved {} objects, more objects available - {}", objectSummaries.size(), listTruncated); } for (S3ObjectSummary objectSummary : objectSummaries) { // if mod time is specified then make sure we automatically skip // any domains older than the specified value if (modTime > 0 && objectSummary.getLastModified().getTime() <= modTime) { continue; } // for now skip any folders/objects that start with '.' objectName = objectSummary.getKey(); if (objectName.charAt(0) == '.') { continue; } domains.add(objectName); } // check if the object listing is truncated or not (break out in this case) // technically we can skip this call and just call listNextBatchOfResults // since that returns null if the object listing is not truncated but // this direct check here makes the logic easier to follow if (!listTruncated) { break; } objectListing = s3.listNextBatchOfObjects(objectListing); } }
From source file:com.yahoo.athenz.zts.store.s3.S3ChangeLogStore.java
License:Apache License
/** * list the objects in the zts bucket. If te mod time is specified as 0 * then we want to list all objects otherwise, we only list objects * that are newer than the specified timestamp * @param s3 AWS S3 client object//w w w .j a v a 2 s .com * @param domains collection to be updated to include domain names * @param modTime only include domains newer than this timestamp */ void listObjects(AmazonS3 s3, Collection<String> domains, long modTime) { ObjectListing objectListing = s3.listObjects(new ListObjectsRequest().withBucketName(s3BucketName)); String objectName = null; while (objectListing != null) { // process each entry in our result set and add the domain // name to our return list for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) { // if mod time is specified then make sure we automatically skip // any domains older than the specified value if (modTime > 0 && objectSummary.getLastModified().getTime() <= modTime) { continue; } // for now skip any folders/objects that start with '.' objectName = objectSummary.getKey(); if (objectName.charAt(0) == '.') { continue; } domains.add(objectName); } // check if the object listing is truncated or not (break out in this case) // technically we can skip this call and just call listNextBatchOfResults // since that returns null if the object listing is not truncated but // this direct check here makes the logic easier to follow if (!objectListing.isTruncated()) { break; } objectListing = s3.listNextBatchOfObjects(objectListing); } }
From source file:com.zhang.aws.s3.S3Sample.java
License:Open Source License
public static void main(String[] args) throws IOException { /*/*w ww . jav a 2s . c o m*/ * The ProfileCredentialsProvider will return your [default] * credential profile by reading from the credentials file located at * (~/.aws/credentials). */ ResourceBundle bundle = ResourceBundle.getBundle("credentials"); AWSCredentials credentials = null; try { // credentials = new ProfileCredentialsProvider().getCredentials(); credentials = new BasicAWSCredentials(bundle.getString("aws_access_key_id"), bundle.getString("aws_secret_access_key")); } catch (Exception e) { throw new AmazonClientException("Cannot load the credentials from the credential profiles file. " + "Please make sure that your credentials file is at the correct " + "location (~/.aws/credentials), and is in valid format.", e); } AmazonS3 s3 = new AmazonS3Client(credentials); Region usWest2 = Region.getRegion(Regions.US_WEST_2); s3.setRegion(usWest2); String bucketName = "elasticbeanstalk-us-west-2-948206320069"; String key = "MyObjectKey2"; 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())); s3.putObject(new PutObjectRequest(bucketName, key, getFileFromDisk())); /*** * * ?url * */ GeneratePresignedUrlRequest urlRequest = new GeneratePresignedUrlRequest(bucketName, key); URL generatePresignedUrl = s3.generatePresignedUrl(urlRequest); System.out.println("public url:" + generatePresignedUrl.toString()); /* * 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); System.out.println("------------------------------------------"); } 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:controllers.s3locationmodify.java
License:Open Source License
private static long calculateregionload(String regionname) { AmazonS3 s3 = new AmazonS3Client(credentials); long size = 0; AmazonS3 s3client = new AmazonS3Client(new ProfileCredentialsProvider()); //try {//from w w w .jav a 2s .c o m ListObjectsRequest listObjectsRequest = new ListObjectsRequest().withBucketName(regionname); ObjectListing objectListing; do { objectListing = s3client.listObjects(listObjectsRequest); for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) { size = objectSummary.getSize(); } listObjectsRequest.setMarker(objectListing.getNextMarker()); } while (objectListing.isTruncated()); return size; }
From source file:datameer.awstasks.ant.s3.model.CreateBucketCommand.java
License:Apache License
@Override public void execute(Project project, AmazonS3 s3Service) { String name = getNormalizedName(); boolean doesBucketExist = s3Service.doesBucketExist(name); if (isEmptyIfExistent() && doesBucketExist) { List<S3ObjectSummary> s3Objects = s3Service.listObjects(name).getObjectSummaries(); for (S3ObjectSummary s3Object : s3Objects) { s3Service.deleteObject(name, s3Object.getKey()); }/*from w w w . ja va2 s.co m*/ doesBucketExist = false; } if (!doesBucketExist) { try { s3Service.createBucket(name, _location); System.out.println("created bucket '" + name + "'"); } catch (Exception e) { throw new RuntimeException("failed to create bucket '" + name + "'", e); } } }