delete s3 bucket

rmbucket.java

    /**
     * Delete the specified bucket. You will use the deleteBucket() method of the client object to 
     * delete the bucket, but first you will need to delete the bucket contents. To delete the contents, 
     * you will need to list the objects and delete them individually (DeleteObject() method) or as a 
     * batch (DeleteObjects() method).
     * 
     * The purpose of this task is to gain experience writing applications that remove unused AWS resources
     * in an automated manner.
     * 
     * @param s3Client	 The S3 client object.	
     * @param bucketName The name of the bucket to delete.
     */
    @Override
    public void deleteBucket(AmazonS3 s3Client, String bucketName) {
    	try {
    		s3Client.deleteBucket(bucketName);
    		return;
    		
    	} catch (AmazonS3Exception e) {
    		if (!e.getErrorCode().equals("BucketNotEmpty"))
    			throw e;
    		else
    			System.err.println("Bucket is not empty");
    	}
    	
    	List<S3ObjectSummary> s3list = s3Client.listObjects(bucketName).getObjectSummaries();
    	for(S3ObjectSummary s: s3list) {
    		System.out.println("deleting " + s.getKey());
    		s3Client.deleteObject(bucketName, s.getKey());
    	}
    	
    	System.err.println("try deleting bucket again");
    	s3Client.deleteBucket(bucketName);
    }