AWS S3 Service Wrapper

gistfile1.cs

using System.Collections.Generic;
using System.Diagnostics;
using Amazon;
using Amazon.S3;
using Amazon.S3.Model;
namespace S3Navigator.AWS
{
    public class AwsService
    {
        private readonly AmazonS3 _client;

        public AwsService() {  _client = AWSClientFactory.CreateAmazonS3Client(); }

        /// <summary>
        /// AWS S3 Service call to get a list of all Buckets
        /// </summary>
        /// <returns></returns>
        public List<S3Bucket> GetBuckets()
        {
            try
            {
                var response = _client.ListBuckets();
                if (response != null)
                    return response.Buckets;
            }
            catch (AmazonS3Exception amazonS3Exception)
            {
                if (amazonS3Exception.ErrorCode != null && (amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") || amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
                {
                    Debug.WriteLine("Please check the provided AWS Credentials.");
                }
                else
                {
                    Debug.WriteLine("An Error, number {0}, occurred when creating a bucket with the message '{1}", amazonS3Exception.ErrorCode, amazonS3Exception.Message);
                }
            }
            

            return new List<S3Bucket>();
        }

        /// <summary>
        /// AWS S3 Service call to retrieve the contents of a Bucket
        /// </summary>
        /// <param name="bucketName"></param>
        /// <returns></returns>
        public List<S3Object> GetBucketContents(string bucketName)
        {
            try
            {
                var request = new ListObjectsRequest { BucketName = bucketName };

                var response = _client.ListObjects(request);

                if (response != null)
                    return response.S3Objects;
            }
            catch (AmazonS3Exception amazonS3Exception)
            {
                if (amazonS3Exception.ErrorCode != null && (amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") || amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
                {
                    Debug.WriteLine("Please check the provided AWS Credentials.");
                }
                else
                {
                    Debug.WriteLine("An Error, number {0}, occurred when creating a bucket with the message '{1}", amazonS3Exception.ErrorCode, amazonS3Exception.Message);
                }
            }

            

            return new List<S3Object>();
        }

        /// <summary>
        /// AWS S3 Service call to create a Bucket
        /// </summary>
        /// <param name="bucketName"></param>
        public void CreateBucket(string bucketName)
        {
            try
            {
                var request = new PutBucketRequest { BucketName = bucketName };

               _client.PutBucket(request);

            }
            catch (AmazonS3Exception amazonS3Exception)
            {
                if (amazonS3Exception.ErrorCode != null && (amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") || amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
                {
                    Debug.WriteLine("Please check the provided AWS Credentials.");
                }
                else
                {
                    Debug.WriteLine("An Error, number {0}, occurred when creating a bucket with the message '{1}", amazonS3Exception.ErrorCode, amazonS3Exception.Message);
                }
            }
        }

        /// <summary>
        /// AWS S3 Service call to Delete an object
        /// </summary>
        /// <param name="bucketName"></param>
        /// <returns></returns>
        public void DeleteBucket(string bucketName)
        {
            try
            {
                var request = new DeleteBucketRequest {BucketName = bucketName};
                 _client.DeleteBucket(request);
            }
            catch (AmazonS3Exception amazonS3Exception)
            {
                if (amazonS3Exception.ErrorCode != null && (amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId") || amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
                {
                    Debug.WriteLine("Please check the provided AWS Credentials.");
                }
                else
                {
                    Debug.WriteLine("An Error, number {0}, occurred when creating a bucket with the message '{1}", amazonS3Exception.ErrorCode, amazonS3Exception.Message);
                }
            }

        }

    }
}