using System;

using System.IO;

using System.Net;

using System.Net.Http;

using System.Net.Http.Formatting;

using System.Threading;

using System.Threading.Tasks;

namespace ScriptCs.WebApi

{

internal class Formatter : MediaTypeFormatter

{

private Func<Type, bool> _canReadType;

private Func<Type, bool> _canWriteType;

private Func<ReadFromStreamArgs, Task<object>> _readFromStream;

private Func<WriteToStreamArgs, Task> _writeToStream;

public Formatter(

Func<Type, bool> canReadType,

Func<Type, bool> canWriteType,

Func<ReadFromStreamArgs, Task<object>> readFromStream,

Func<WriteToStreamArgs, Task> writeToStream

)

{

_canReadType = canReadType;

_canWriteType = canWriteType;

_readFromStream = readFromStream;

_writeToStream = writeToStream;

}

public override Task<object> ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger)

{

return _readFromStream(new ReadFromStreamArgs(type, readStream, content, formatterLogger));

}

public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content,

TransportContext transportContext, CancellationToken cancellationToken)

{

return _writeToStream(new WriteToStreamArgs(type, value, writeStream, content, transportContext, cancellationToken));

}

public override bool CanReadType(Type type)

{

return _canReadType(type);

}

public override bool CanWriteType(Type type)

{

return _canWriteType(type);

}

}

}