public List <ProcessorDTO> GetProcessors(string processorsPath)
{
List <ProcessorDTO> lstProcessors = new List <ProcessorDTO>();
var pluginFinder = new PluginFinder <DataProcessor>();
var assemblyPaths = pluginFinder.FindAssemliesWithPlugins(processorsPath);
GC.Collect();
GC.WaitForPendingFinalizers();
var pluginHost = new PluginHost <DataProcessor>(processorsPath);
pluginHost.LoadPlugins(assemblyPaths);
foreach (var processor in pluginHost.GetPlugins())
{
ProcessorDTO pdto = new ProcessorDTO(processor);
lstProcessors.Add(pdto);
}
//string[] assemblies = Directory.GetFiles(processorsPath, "*.dll", new EnumerationOptions() { RecurseSubdirectories = true });
//DirectoryInfo dirInfo = new DirectoryInfo(processorsPath);
//DirectoryInfo[] dirInfos = dirInfo.GetDirectories();
//foreach (DirectoryInfo di in dirInfos)
//{
// List<ProcessorDTO> processors = LoadProcessors(di.FullName);
// lstProcessors.AddRange(processors);
//}
return(lstProcessors);
}
public DataTableResponseMessage ExecuteProcessor(string processorsPath, string processorName, string inputFile)
{
DataTableResponseMessage dtRespMsg = null;
PluginHost <DataProcessor> pluginHost = null;
try
{
List <string> lstPlugin = new List <string>();
lstPlugin.Add(processorsPath);
pluginHost = new PluginHost <DataProcessor>(processorsPath);
pluginHost.LoadPlugins(lstPlugin);
DataProcessor proc = pluginHost.GetPlugin(processorName);
if (proc != null)
{
proc.input_file = inputFile;
dtRespMsg = proc.Execute();
}
//foreach (var processor in pluginHost.GetPlugins())
//{
// if (string.Compare(processor.name, processorName, true) == 0)
// {
// processor.input_file = inputFile;
// //result.OutputFile = outputFile;
// dtRespMsg = processor.Execute();
// break;
// }
//}
}
catch (Exception ex)
{
if (dtRespMsg == null)
{
dtRespMsg = new DataTableResponseMessage();
}
dtRespMsg.LogMessage = string.Format("Error processing file: {0} with Exception - {1}", inputFile, ex.Message);
dtRespMsg.ErrorMessage = string.Format("Error processing file: {0} with Exception - {1}", inputFile, ex.Message);
}
if (pluginHost != null)
{
pluginHost.Unload();
}
return(dtRespMsg);
//using (var fs = new FileStream(processorsPath, FileMode.Open, FileAccess.Read))
//{
// try
// {
// var context = new CollectibleAssemblyLoadContext(processorsPath);
// var assembly = context.LoadFromStream(fs);
// //Can have multiple processors implmented in a single assembly
// foreach (Type type in assembly.GetTypes())
// {
// if (typeof(DataProcessor).IsAssignableFrom(type))
// {
// DataProcessor result = Activator.CreateInstance(type) as DataProcessor;
// if (result != null)
// {
// if (string.Compare(result.id, processorID, true) == 0)
// {
// result.input_file = inputFile;
// //result.OutputFile = outputFile;
// dtRespMsg = result.Execute();
// break;
// }
// }
// }
// }
// context.Unload();
// GC.Collect();
// GC.WaitForPendingFinalizers();
// }
// //Handle unloadable libraries
// catch (Exception ex)
// {
// if (dtRespMsg == null)
// dtRespMsg = new DataTableResponseMessage();
// dtRespMsg.LogMessage = string.Format("Error processing file: {0} with Exception - {1}", inputFile, ex.Message);
// }
// return dtRespMsg;
}
