public object Inject(Type instanceType, object[] additionalArgs = null)
{
var constructors = InstanceExplorer.GetOrderedConstructorList(instanceType);
foreach (var constructor in constructors)
{
var parameters = InstanceExplorer.GetNonOptionalParameters(constructor);
var parameterTypes = parameters.Select(p => p.ParameterType);
var bindings = _container.Mudule.Bindings.SearchBindings(parameterTypes);
object[] arguments = null;
if (additionalArgs != null && parameterTypes.Count() == (bindings.Count() + additionalArgs.Length))
{
arguments = GetParametersImplementations(bindings).Concat(additionalArgs).ToArray();
object instance = Create(instanceType, arguments);
return(instance);
}
else if (parameterTypes.Count() == bindings?.Count())
{
arguments = GetParametersImplementations(bindings).ToArray();
object instance = Create(instanceType, arguments);
return(instance);
}
}
return(null);
}
public object Activate(Type instanceType)
{
if (InstanceExplorer.HasDefaultConstructor(instanceType))
{
return(Activator.CreateInstance(instanceType));
}
else
{
return(Inject(instanceType));
}
}
private object Create(Type instanceType, object[] args)
{
object instance = Activator.CreateInstance(instanceType, BindingFlags.CreateInstance |
BindingFlags.Public | BindingFlags.Instance | BindingFlags.OptionalParamBinding, null, args,
CultureInfo.CurrentCulture);
if (InstanceExplorer.TryGetInjectedFields(instance, out List <FieldInfo> injectedFields))
{
InjectValues(instance, injectedFields);
}
return(instance);
}