/// <summary>
/// Does its best to convert whatever the value is into the destination
/// type. Null in yields null out for value types and the default(T)
/// for value types (this may change.)
/// </summary>
/// <param name="value">The value.</param>
/// <param name="destinationType">Type of the destination.</param>
/// <returns>An object of the destination type.</returns>
public static object ChangeToCompatibleType(object value, Type destinationType)
{
Enforce.ArgumentNotNull(destinationType, "destinationType");
if (value == null)
{
if (destinationType.IsValueType)
{
return(Activator.CreateInstance(destinationType));
}
return(null);
}
if (destinationType.IsAssignableFrom(value.GetType()))
{
return(value);
}
return(TypeDescriptor.GetConverter(destinationType).ConvertFrom(value));
}
/// <summary>
/// Override to add registrations to the container.
/// </summary>
/// <param name="builder">The builder.</param>
protected override void Load(ContainerBuilder builder)
{
Enforce.ArgumentNotNull(builder, "builder");
Assembly defaultAssembly = null;
if (!string.IsNullOrEmpty(_serviceConfig.DefaultAssembly))
{
defaultAssembly = Assembly.Load(_serviceConfig.DefaultAssembly);
}
foreach (ModuleElement moduleElement in _serviceConfig.Modules)
{
var moduleType = LoadType(moduleElement.Type, defaultAssembly);
var moduleActivator = new ReflectionActivator(
moduleType,
new BindingFlagsConstructorFinder(BindingFlags.Public),
new MostParametersConstructorSelector(),
moduleElement.Parameters.ToParameters(),
moduleElement.Properties.ToParameters());
var module = (IModule)moduleActivator.ActivateInstance(Container.Empty, Enumerable.Empty <Parameter>());
builder.RegisterModule(module);
}
foreach (ComponentElement component in _serviceConfig.Components)
{
var registrar = builder.RegisterType(LoadType(component.Type, defaultAssembly));
IList <Service> services = new List <Service>();
if (!string.IsNullOrEmpty(component.Service))
{
var serviceType = LoadType(component.Service, defaultAssembly);
if (!string.IsNullOrEmpty(component.Name))
{
services.Add(new KeyedService(component.Name, serviceType));
}
else
{
services.Add(new TypedService(serviceType));
}
}
else
{
if (!string.IsNullOrEmpty(component.Name))
{
throw new ConfigurationErrorsException(string.Format(
"Service Type Must Be Specified:{0}", component.Name));
}
}
foreach (ServiceElement service in component.Services)
{
var serviceType = LoadType(service.Type, defaultAssembly);
if (!string.IsNullOrEmpty(service.Name))
{
services.Add(new KeyedService(service.Name, serviceType));
}
else
{
services.Add(new TypedService(serviceType));
}
}
foreach (var service in services)
{
registrar.As(service);
}
foreach (var param in component.Parameters.ToParameters())
{
registrar.WithParameter(param);
}
foreach (var prop in component.Properties.ToParameters())
{
registrar.WithProperty(prop);
}
foreach (var ep in component.Metadata)
{
registrar.WithMetadata(
ep.Name, TypeManipulation.ChangeToCompatibleType(ep.Value, Type.GetType(ep.Type)));
}
if (!string.IsNullOrEmpty(component.MemberOf))
{
registrar.MemberOf(component.MemberOf);
}
SetScope(component, registrar);
SetOwnership(component, registrar);
SetInjectProperties(component, registrar);
}
//foreach (FileElement file in _serviceConfig.Files)
//{
// var section = DefaultSectionName;
// if (!string.IsNullOrEmpty(file.Section))
// section = file.Section;
// var reader = new ConfigurationSettingsReader(section, file.Name);
// builder.RegisterModule(reader);
//}
}