bool IComponentContainer.InitializeObject(object objectInstance)
{
if (objectInstance == null)
{
throw new ArgumentNullException("objectInstance");
}
Type objectType = objectInstance.GetType();
PropertyInfo[] properties = objectType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
if ((properties == null) || (properties.Length == 0))
{
return(true);
}
foreach (PropertyInfo pi in properties)
{
if (pi.GetSetMethod() == null)
{
continue;
}
object[] attrs = pi.GetCustomAttributes(typeof(DependencyAttribute), /* inherit */ true);
if ((attrs == null) || (attrs.Length == 0))
{
continue;
}
object propertyValue = ((IComponentContainer)this).GetObject(pi.PropertyType);
if (propertyValue != null)
{
pi.SetValue(objectInstance, propertyValue, null);
}
else
{
DependencyAttribute dependency = (DependencyAttribute)attrs[0];
if (dependency.Optional == false)
{
return(false);
}
}
}
return(true);
}
private object CreateObject(Type objectType)
{
ConstructorInfo[] ctors = objectType.GetConstructors();
if ((ctors == null) || (ctors.Length == 0))
{
return(null);
}
ConstructorInfo selectedCtor = null;
for (int i = 0; i < ctors.Length; i++)
{
ConstructorInfo ci = ctors[i];
ParameterInfo[] parameters = ci.GetParameters();
object[] attrs = ci.GetCustomAttributes(typeof(DependencyAttribute), /* inherit */ false);
if ((attrs != null) && (attrs.Length != 0))
{
selectedCtor = ci;
break;
}
if (selectedCtor == null)
{
selectedCtor = ci;
}
else if (selectedCtor.GetParameters().Length < parameters.Length)
{
selectedCtor = ci;
}
}
if (selectedCtor != null)
{
ParameterInfo[] parameters = selectedCtor.GetParameters();
object[] paramValues = null;
if (parameters.Length != 0)
{
paramValues = new object[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
{
object paramValue = GetObject(parameters[i].ParameterType);
if (paramValue == null)
{
bool optional = false;
object[] attrs = parameters[i].GetCustomAttributes(typeof(DependencyAttribute), /* inherit */ false);
if ((attrs != null) && (attrs.Length != 0))
{
DependencyAttribute dependency = (DependencyAttribute)attrs[0];
optional = dependency.Optional;
}
if (optional == false)
{
return(null);
}
}
paramValues[i] = paramValue;
}
}
return(selectedCtor.Invoke(paramValues));
}
return(null);
}
