Y2SS21EM

1private void uploadFileAWS(ServletContext context, InputStream input, Long contentLength, String key) throws Exception{
2
3        AWSCredentials credentials = null;
4        try {
5        	String accessKey = AWSUtils.getAccessKey(context);
6        	String secretKey = AWSUtils.getSecretKey(context);
7        	
8        	System.out.println(String.format("%s: %s", "Access key", accessKey));
9        	System.out.println(String.format("%s: %s", "Secret key", secretKey));
10            credentials = new BasicAWSCredentials(accessKey, secretKey);
11        } catch (Exception e) {
12            throw new AmazonClientException(
13                    "Cannot load the credentials from the credential profiles file. " +
14                    "Please make sure that your credentials file is at the correct " +
15                    "location (~/.aws/credentials), and is in valid format.",
16                    e);
17        }
18        
19        
20        AmazonS3 s3 = AmazonS3ClientBuilder.standard()
21            .withCredentials(new AWSStaticCredentialsProvider(credentials))
22            .withRegion(Regions.US_WEST_1)
23            .build();
24
25        String bucketName = "test-images-facnog";
26
27        System.out.println("===========================================");
28        System.out.println("Getting Started with Amazon S3");
29        System.out.println("===========================================\n");
30
31        try {
32
33            System.out.println("Uploading a new object to S3 from a stream\n");
34            ObjectMetadata x = new ObjectMetadata();
35            x.setContentLength(contentLength);       
36            s3.putObject(new PutObjectRequest(bucketName, key, input, x));
37
38        } catch (AmazonServiceException ase) {
39            System.out.println("Caught an AmazonServiceException, which means your request made it "
40                    + "to Amazon S3, but was rejected with an error response for some reason.");
41            System.out.println("Error Message:    " + ase.getMessage());
42            System.out.println("HTTP Status Code: " + ase.getStatusCode());
43            System.out.println("AWS Error Code:   " + ase.getErrorCode());
44            System.out.println("Error Type:       " + ase.getErrorType());
45            System.out.println("Request ID:       " + ase.getRequestId());
46        } catch (AmazonClientException ace) {
47            System.out.println("Caught an AmazonClientException, which means the client encountered "
48                    + "a serious internal problem while trying to communicate with S3, "
49                    + "such as not being able to access the network.");
50            System.out.println("Error Message: " + ace.getMessage());
51        }
52	}