public static object CreateInstance <T>(this Assembly assembly, Type containerType = null)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
string typeName = TypeMixins.GetTypeName(typeof(T), containerType);
Type type = assembly.GetType(typeName);
if (type == null)
{
throw new AssemblyCreateInstanceException($"Could not find '{typeName}' in '{assembly.FullName}'");
}
foreach (ConstructorInfo ctor in type.GetConstructors().OrderBy(c => c.GetParameters().Length))
{
var parameters = ctor.GetParameters();
if (parameters.All(pi => pi.HasDefaultValue))
{
return(ctor.Invoke(parameters.Select(x => x.DefaultValue).ToArray()));
}
}
throw new AssemblyCreateInstanceException($"Could not find valid constructor for '{typeof(T).FullName}'");
}
public static object Resolve <T>(this Assembly assembly, Type containerType = null)
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
string typeName = TypeMixins.GetTypeName(typeof(T), containerType);
Type type = assembly.GetType(typeName);
if (type == null)
{
throw new AssemblyCreateInstanceException($"Could not find '{typeName}' in '{assembly.FullName}'");
}
IServiceProvider provider = DI.GetGlobalServiceProvider(assembly);
if (provider == null)
{
//TODO: Better exception
throw new AssemblyInvocationException($"Could not find service provider for '{assembly.FullName}'");
}
return(provider.GetService(type));
}
public static object GetStaticProperty <TContainingType>(this Assembly assembly, string propertyName, Type containerType = null) where TContainingType : class
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
if (propertyName == null)
{
throw new ArgumentNullException(nameof(propertyName));
}
string typeName = TypeMixins.GetTypeName(typeof(TContainingType), containerType);
Type type = assembly.GetType(typeName);
if (type == null)
{
throw new AssemblyGetPropertyException($"Could not find '{typeof(TContainingType).FullName}' in '{assembly.FullName}'");
}
PropertyInfo property = type.GetProperty(propertyName);
if (property == null)
{
throw new AssemblyGetPropertyException($"Could not find property '{propertyName}' on type '{type.FullName}'");
}
if (property.GetMethod == null)
{
throw new AssemblyGetPropertyException($"Property '{type.FullName}.{propertyName}' does not have a getter");
}
if (!property.GetMethod.IsStatic)
{
throw new AssemblyGetPropertyException($"Property '{type.FullName}.{propertyName}' is not static");
}
return(property.GetValue(null));
}
