CustomEncoder.cs

using System;
using System.Text;
using System.Threading.Tasks;
using Waher.Runtime.Inventory;
 
namespace Waher.Content.Binary
{
    public class CustomEncoder : IContentEncoder
    {
        public CustomEncoder()
        {
        }
 
        public string[] ContentTypes => Array.Empty<string>();
 
        public string[] FileExtensions => Array.Empty<string>();
 
        public bool Encodes(object Object, out Grade Grade, params string[] AcceptedContentTypes)
        {
            if (Object is CustomEncoding CustomEncoding && InternetContent.IsAccepted(CustomEncoding.ContentType, AcceptedContentTypes))
            {
                Grade = Grade.Perfect;
                return true;
            }
            else
            {
                Grade = Grade.NotAtAll;
                return false;
            }
        }
 
        public Task<ContentResponse> EncodeAsync(object Object, Encoding Encoding, 
            ICodecProgress Progress, params string[] AcceptedContentTypes)
        {
            if (Object is CustomEncoding CustomEncoding)
                return Task.FromResult(new ContentResponse(CustomEncoding.ContentType, CustomEncoding, CustomEncoding.Encoded));
            else
                return Task.FromResult(new ContentResponse(new ArgumentException("Unable to encode object.", nameof(Object))));
        }
 
        public bool TryGetContentType(string FileExtension, out string ContentType)
        {
            ContentType = string.Empty;
            return false;
        }
 
        public bool TryGetFileExtension(string ContentType, out string FileExtension)
        {
            FileExtension = string.Empty;
            return false;
        }
 
    }
}