private void RegisterByConvention(IEnumerable <Assembly> assemblies)
{
foreach (var assembly in assemblies.ToList())
{
if (RegisteredAssemblies.Contains(assembly))
{
continue;
}
var interfaces = (from type in assembly.GetTypes()
where type.IsInterface
select type).ToList();
var tempRegistrations = (from @interface in interfaces
from type in assembly.GetTypes()
where !type.IsAbstract &&
type.IsClass && @interface.IsAssignableFrom(type) &&
!type.GetCustomAttributes(typeof(ExcludeFromRegistrationAttribute), true).Any()
select new { Interface = @interface, Implementation = type }).ToList();
// get interfaces with only one implementation
var registrations = (from r in tempRegistrations
group r by r.Interface into grp
where grp.Count() == 1
select new { Interface = grp.Key, grp.First().Implementation }).ToList();
registrations.ForEach(f => ServiceCollection.AddTransient(f.Interface, f.Implementation));
RegisterHandlers(assembly);
RegisterOneWayHandlers(assembly);
RegisterPostRegistrationTasks(assembly);
RegisterCleanupTasks(assembly);
}
}
private void PrepareContainer()
{
if (ContainerPrepared)
{
return;
}
var builder = new ContainerBuilder();
foreach (var registeredFile in GetAssembliesDetail())
{
try
{
builder.RegisterAssemblyModules(Assembly.LoadFrom(registeredFile.Location));
RegisteredAssemblies.Add(registeredFile);
}
catch (Exception ex)
{
//Could not register assembly
System.Diagnostics.Trace.WriteLine(
$"{nameof(Resolver)}: Faild to load Assembly - {registeredFile.Name} from {registeredFile.Location} - Exception message: {ex.Message}");
}
}
_container = builder.Build();
ContainerPrepared = true;
}
internal void Reset()
{
ContainerPrepared = false;
_container = null;
RootAssembliesNames.Clear();
RegisteredAssemblies.Clear();
}
static Assembly ResolveAssemblyHandler(object sender, ResolveEventArgs e)
{
AssemblyName an = new AssemblyName(e.Name);
string dynamic_base = AppDomain.CurrentDomain.SetupInformation.DynamicBase;
string compiled = Path.Combine(dynamic_base, an.Name + ".compiled");
string asmPath;
if (!File.Exists(compiled))
{
string fn = an.FullName;
if (!RegisteredAssemblies.Find((uint)fn.GetHashCode(), fn, out asmPath))
{
return(null);
}
}
else
{
PreservationFile pf;
try {
pf = new PreservationFile(compiled);
} catch (Exception ex) {
throw new HttpException(
String.Format("Failed to read preservation file {0}", an.Name + ".compiled"),
ex);
}
asmPath = Path.Combine(dynamic_base, pf.Assembly + ".dll");
}
if (String.IsNullOrEmpty(asmPath))
{
return(null);
}
Assembly ret = null;
try {
ret = Assembly.LoadFrom(asmPath);
} catch (Exception) {
// ignore
}
return(ret);
}
internal string GetContextDetail()
{
var builder = new StringBuilder();
builder.AppendLine($"{nameof(ContainerPrepared)}: {ContainerPrepared}");
builder.AppendLine($"{nameof(RootAssembliesNames)}: {string.Join(",", RootAssembliesNames)}");
if (RegisteredAssemblies.Any())
{
builder.AppendLine("Registered Assemblies");
foreach (var registeredFile in RegisteredAssemblies)
{
builder.AppendLine($"FileName:{registeredFile.Name} - Location: {registeredFile.Location}");
}
}
else
{
builder.AppendLine("No Assembly is Registered");
}
return(builder.ToString());
}