public static List <T> FindPlugins <T>(Assembly assembly, ReaderContainer readerContainer)
{
var result = new List <T>();
if (readerContainer != null)
{
CompositionContainer container = null;
if (assembly != null)
{
var assemblyCatalog = new AssemblyCatalog(assembly);
container = new CompositionContainer(assemblyCatalog);
}
if (container != null)
{
// Try Loading the Imports (Plugins)
try
{
container.SatisfyImportsOnce(readerContainer);
}
catch (ReflectionTypeLoadException rtex)
{
Logger.Log("ReflectionTypeLoadException : " + rtex.Message);
foreach (var lex in rtex.LoaderExceptions)
{
Logger.Log("LoaderException : " + lex.Message);
}
}
catch (Exception ex)
{
Logger.Log("Exception : " + ex.Message);
}
if (readerContainer.Plugins != null)
{
foreach (var lPlugin in readerContainer.Plugins)
{
try
{
var plugin = (T)lPlugin.Value;
result.Add(plugin);
}
catch (Exception ex)
{
Logger.Log("Plugin Initialization Error :: " + ex.Message);
}
}
}
}
}
return(result);
}
public static List <T> FindPlugins <T>(string path, ReaderContainer readerContainer, string extension = null)
{
var result = new List <T>();
if (path != null && readerContainer != null)
{
CompositionContainer container = null;
// path is to an individual file
if (System.IO.File.Exists(path))
{
string ext = System.IO.Path.GetExtension(path);
// Check that the file extension is correct
if (ext != null && extension != null)
{
if (ext.ToLower() == extension)
{
var assembly = GetAssemblyFromPath(path);
if (assembly != null)
{
var assemblyCatalog = new AssemblyCatalog(assembly);
container = new CompositionContainer(assemblyCatalog);
}
}
}
}
// path is to a directory
else if (System.IO.Directory.Exists(path))
{
try
{
DirectoryCatalog directoryCatalog;
if (extension != null)
{
directoryCatalog = new DirectoryCatalog(path, "*" + extension);
}
else
{
directoryCatalog = new DirectoryCatalog(path);
}
container = new CompositionContainer(directoryCatalog);
}
catch (UnauthorizedAccessException ex) { logger.Error(ex); }
catch (Exception ex) { logger.Error(ex); }
}
if (container != null)
{
// Try Loading the Imports (Plugins)
try
{
container.SatisfyImportsOnce(readerContainer);
}
catch (ReflectionTypeLoadException ex)
{
logger.Error(ex);
}
catch (Exception ex)
{
logger.Error(ex);
}
if (readerContainer.Plugins != null)
{
foreach (var lPlugin in readerContainer.Plugins)
{
try
{
var plugin = (T)lPlugin.Value;
result.Add(plugin);
}
catch (Exception ex)
{
logger.Error(ex);
}
}
}
}
}
return(result);
}
public static List <Lazy <object> > FindLazyPlugins <T>(string path, ReaderContainer readerContainer, string extension = null)
{
var result = new List <Lazy <object> >();
if (path != null && readerContainer != null)
{
CompositionContainer container = null;
// path is to an individual file
if (System.IO.File.Exists(path))
{
string ext = System.IO.Path.GetExtension(path);
// Check that the file extension is correct
if (ext != null && extension != null)
{
if (ext.ToLower() == extension)
{
var assembly = GetAssemblyFromPath(path);
if (assembly != null)
{
var assemblyCatalog = new AssemblyCatalog(assembly);
container = new CompositionContainer(assemblyCatalog);
}
}
}
}
// path is to a directory
else if (System.IO.Directory.Exists(path))
{
DirectoryCatalog directoryCatalog;
if (extension != null)
{
directoryCatalog = new DirectoryCatalog(path, "*" + extension);
}
else
{
directoryCatalog = new DirectoryCatalog(path);
}
container = new CompositionContainer(directoryCatalog);
}
if (container != null)
{
// Try Loading the Imports (Plugins)
try
{
container.SatisfyImportsOnce(readerContainer);
}
catch (System.Reflection.ReflectionTypeLoadException rtex)
{
Logger.Log("ReflectionTypeLoadException : " + rtex.Message);
foreach (var lex in rtex.LoaderExceptions)
{
Logger.Log("LoaderException : " + lex.Message);
}
}
catch (Exception ex)
{
Logger.Log("Exception : " + ex.Message);
}
if (readerContainer.Plugins != null)
{
foreach (var lPlugin in readerContainer.Plugins)
{
result.Add(lPlugin);
}
}
}
}
return(result);
}
