public static object InstantiateType(Type type, IArgumentList arglist, out bool isStatic)
{
isStatic = false;
// Sanity check
if (type == null)
{
return(null);
}
if (type.IsInterface || type.IsAbstract)
{
return(null);
}
object o = null;
try
{
// Can we create an instance using Activator.CreateInstance? We can't if it is a singleton
// and there is no public constructor.
if (type.GetConstructor(Type.EmptyTypes) == null)
{
isStatic = true;
// If we have a public method called ObjectInstance, then use that to get a reference
// to the singleton.
o = InstantiateSingleton(type);
if (o == null)
{
// As a last resort, find a non-public empty constructor and call it.
ConstructorInfo ci = type.GetConstructor(
BindingFlags.DeclaredOnly | BindingFlags.Instance | BindingFlags.NonPublic, null, Type.EmptyTypes, null);
if (ci != null)
{
o = ci.Invoke(null, null);
}
}
return(o);
}
if (arglist != null)
{
Type[] types = arglist.GetTypes();
ConstructorInfo ci = type.GetConstructor(types);
if (ci != null)
{
o = ci.Invoke(arglist.GetValues());
return(o);
}
}
// We have a default constructor, so construct the object.
o = Activator.CreateInstance(type, false); // false == use public constructor
}
catch (Exception)
{
// Logger.LogError("Could not instantiate type " + type.Name);
}
return(o);
}
