private static AggregateCatalog LoadConfiguration(ComponentsSection componentsSection)
{
// Setup the catalog
AggregateCatalog catalog = new AggregateCatalog();
// Get the configuration section
if(componentsSection == null) {
return catalog;
}
// Load the catalogs
foreach(CatalogElement catalogElement in componentsSection.Catalogs) {
// TODO: Log or otherwise record TargetInvocationExceptions
catalog.Catalogs.Add(Activator.CreateInstance(catalogElement.SpecifiedType) as ComposablePartCatalog);
}
// Load the directories
// TODO: Add Search Pattern parameter to DirectoryElement
foreach(DirectoryElement directoryElement in componentsSection.Directories) {
catalog.Catalogs.Add(new DirectoryCatalog(directoryElement.Directory));
}
// Load the assemblies
foreach(AssemblyInfo assemblyElement in componentsSection.Assemblies) {
// Load the assembly by partial name
Assembly asm = Assembly.Load(assemblyElement.Assembly);
// Add a new AssemblyCatalog to the aggregate
if(asm != null) {
catalog.Catalogs.Add(new AssemblyCatalog(asm));
}
}
// Load the types
if (componentsSection.Types.Count > 0) {
catalog.Catalogs.Add(new TypeCatalog((from typeElement in componentsSection.Types.OfType<TypeElement>()
where typeElement.SpecifiedType != null
select typeElement.SpecifiedType)));
}
return catalog;
}
public ConfiguredCatalog(ComponentsSection configurationSection)
{
_configurationSection = configurationSection;
}
public ConfiguredCatalog(string configurationSectionName)
{
Arg.NotNullOrEmpty("configurationSectionName", configurationSectionName);
_configurationSection = ConfigurationManager.GetSection(configurationSectionName) as ComponentsSection;
}
