Java Code Examples for com.amazonaws.services.s3.AmazonS3#setRegion()

public AmazonS3 getS3Client(final AWSCredentialsProvider credentialsProvider) {
    Objects.requireNonNull(credentialsProvider, "credentialsProvider must not be null");
    Objects.requireNonNull(region, "region must not be null");

    final AmazonS3 client = s3ClientFactory.getS3Client(credentialsProvider, new ClientConfiguration(clientCfg).withSignerOverride("AWSS3V4SignerType"));
    client.setRegion(region);
    return client;
}
 

public static void putImageS3(String bucketName, String key, String fileName) {
    AmazonS3 s3 = new AmazonS3Client();
    Region usWest2 = Region.getRegion(Regions.US_WEST_2);
    //Region usWest2 = Region.getRegion(s3Region);
    s3.setRegion(usWest2);
    try {
        File file = new File(fileName);
        s3.putObject(new PutObjectRequest(bucketName, key, file));
    } catch (Exception e) { System.out.println("ERROR ON IMAGE FILE"); }
}
 

public static void putMirthS3(String bucketName, String key, String fileLocation, String fileContents) {
AmazonS3 s3 = new AmazonS3Client();
Region usWest2 = Region.getRegion(Regions.US_WEST_2);
s3.setRegion(usWest2);
try {
s3.putObject(new PutObjectRequest(bucketName, key, createTmpFile(fileContents)));
} catch (Exception e) { System.out.println("ERROR ON TEXT FILE"); }
   }
 

public static void listBucketItems(String bucketName) {
System.out.println( "Connecting to AWS" );
System.out.println( "Listing files in bucket "+ bucketName );
AmazonS3 s3 = new AmazonS3Client();
Region usWest2 = Region.getRegion(Regions.US_WEST_2);
s3.setRegion(usWest2);
System.out.println("Listing buckets");
ObjectListing objectListing = s3.listObjects(new ListObjectsRequest()
	.withBucketName(bucketName));
for (S3ObjectSummary objectSummary : objectListing.getObjectSummaries()) {
	System.out.println(" - " + objectSummary.getKey() + "  " +
	"(size = " + objectSummary.getSize() + ")");
	}
System.out.println();
}
 

public static void main(String[] args) throws IOException {
    //BEGIN_SAMPLE:AmazonS3.CreateClient
    //TITLE:Create an S3 client
    //DESCRIPTION:Create your credentials file at ~/.aws/credentials (C:\Users\USER_NAME\.aws\credentials for Windows users)
    AmazonS3 s3 = AmazonS3ClientBuilder.standard().build();
    Region usWest2 = com.amazonaws.regions.Region.getRegion(Regions.US_WEST_2);
    s3.setRegion(usWest2);
    //END_SAMPLE

    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 {
        System.out.println("Creating bucket " + bucketName + "\n");

        //BEGIN_SAMPLE:AmazonS3.CreateBucket
        //TITLE:Create an S3 bucket
        //DESCRIPTION: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.
        s3.createBucket(bucketName);
        //END_SAMPLE


        System.out.println("Listing buckets");
        //BEGIN_SAMPLE:AmazonS3.ListBuckets
        //TITLE:List buckets
        //DESCRIPTION:List the buckets in your account
        for (Bucket bucket : s3.listBuckets()) {
            System.out.println(" - " + bucket.getName());
        }
        System.out.println();
        //END_SAMPLE


        System.out.println("Uploading a new object to S3 from a file\n");
        //BEGIN_SAMPLE:AmazonS3.PutObject
        //TITLE:Upload an object to a bucket
        //DESCRIPTION:You can easily upload a file to S3, or upload directly an InputStream if you know the length of the data in the stream.
        s3.putObject(new PutObjectRequest(bucketName, key, createSampleFile()));
        //END_SAMPLE

        System.out.println("Downloading an object");
        //BEGIN_SAMPLE:AmazonS3.GetObject
        //TITLE:Download an S3 object.
        //DESCRIPTION:When you download an object, you get all of the object's metadata and a stream from which to read the contents.
        S3Object object = s3.getObject(new GetObjectRequest(bucketName, key));
        //END_SAMPLE
        System.out.println("Content-Type: "  + object.getObjectMetadata().getContentType());
        displayTextInputStream(object.getObjectContent());


        System.out.println("Listing objects");

        //BEGIN_SAMPLE:AmazonS3.ListObjects
        //TITLE:List S3 objects in bucket
        //DESCRIPTION:List objects in your bucket by prefix.  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.
        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();
        //END_SAMPLE


        System.out.println("Deleting an object\n");

        //BEGIN_SAMPLE:AmazonS3.DeleteObject
        //TITLE:Delete an S3 object
        //DESCRIPTION:Unless versioning has been turned on for your bucket, there is no way to undelete an object, so use caution when deleting objects.
        s3.deleteObject(bucketName, key);
        //END_SAMPLE


        System.out.println("Deleting bucket " + bucketName + "\n");

        //BEGIN_SAMPLE:AmazonS3.DeleteBucket
        //TITLE:Delete an S3 bucket
        //DESCRIPTION: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.
        s3.deleteBucket(bucketName);
        //END_SAMPLE
    } 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());
    }
}
 

/**
 * Returns back the necessary AmazonS3 class for communicating to the S3
 * 
 * @param _session
 * @param argStruct
 * @return
 * @throws cfmRunTimeException
 */
public AmazonS3 getAmazonS3( AmazonKey amazonKey ) throws cfmRunTimeException{
	BasicAWSCredentials awsCreds = new BasicAWSCredentials(amazonKey.getKey(), amazonKey.getSecret());
	AmazonS3 s3Client = new AmazonS3Client(awsCreds);
	s3Client.setRegion( amazonKey.getAmazonRegion().toAWSRegion() );
	return s3Client;
}