/// <summary>
/// Ctor
/// </summary>
/// <param name="writers">inject with all possible writers</param>
public DataWriterProvider(IEnumerable <IDataWriter> writers)
{
if (writers != null)
{
foreach (IDataWriter writer in writers)
{
if (this.DefaultWriter == null)
{
// TODO: decide less arbitrary way to choose default
// without hardcoding value into IDataWriter
this.DefaultWriter = writer;
}
if (!String.IsNullOrEmpty(writer.ContentType))
{
this.WritersByMime[writer.ContentType] = writer;
}
if (!String.IsNullOrEmpty(writer.ContentType))
{
string ext = DataWriterProvider.NormalizeExtension(writer.FileExtension);
this.WritersByExt[ext] = writer;
}
}
}
}
public IDataWriter Find(string extension)
{
extension = DataWriterProvider.NormalizeExtension(extension);
if (this.WritersByExt.ContainsKey(extension))
{
return(WritersByExt[extension]);
}
return(null);
}