public T GetHandler <T>(string filename)
{
List <FileHandlerInfo> fileHandlers = (List <FileHandlerInfo>)ConfigurationManager.GetSection("fileHandlers");
string ext = Path.GetExtension(filename).Substring(1);
FileHandlerInfo resultHandler = null;
foreach (FileHandlerInfo handlerInfo in fileHandlers)
{
bool supportsThisType = false;
foreach (string tmp in handlerInfo.SupportedExtensions)
{
if (0 == string.Compare(tmp, ext, true))
{
supportsThisType = true;
break;
}
}
if (true == supportsThisType)
{
resultHandler = handlerInfo;
break;
}
}
if (null == resultHandler)
{
resultHandler = fileHandlers[0];
}
Type handlerType = null;
if (true == HasInterface(resultHandler.ReaderType, typeof(T)))
{
handlerType = resultHandler.ReaderType;
}
if (true == HasInterface(resultHandler.WriterType, typeof(T)))
{
handlerType = resultHandler.WriterType;
}
if (null == handlerType)
{
throw new ApplicationException("Failed to get type from file handler");
}
T handler = (T)Activator.CreateInstance(handlerType);
return(handler);
}
public object Create(object parent, object configContext, System.Xml.XmlNode section)
{
List <FileHandlerInfo> result = new List <FileHandlerInfo>();
foreach (XmlNode node in section.ChildNodes)
{
try
{
FileHandlerInfo handlerInfo = new FileHandlerInfo(node);
result.Add(handlerInfo);
}
catch
{
}
}
return(result);
}