private static T LocateInstance(RealObjectFactory <T> factory, string version, string[] filters, bool throwOnError)
{
T instance = factory.GetService(version, filters);
if (instance == null && throwOnError)
{
StringBuilder sb = new StringBuilder();
if (filters != null && filters.Length > 0)
{
sb.Append(" with the filter : {");
foreach (var f in filters)
{
sb.Append(" \"" + f + "\",");
}
sb.Remove(sb.Length - 1, 1);
sb.Append(" }");
}
throw new ApplicationException("Can't load the implementation instance of type'" + typeof(T).AssemblyQualifiedName + "' for version '" + version + "'" + sb.ToString() + ".");
}
return(instance);
}
public static T NewInstance(string version, string[] filters, bool throwOnError)
{
RealObjectFactory <T> factory;
if (throwOnError)
{
factory = new RealObjectFactory <T>();
}
else
{
try
{
factory = new RealObjectFactory <T>();
}
catch
{
return(null);
}
}
return(LocateInstance(factory, version, filters, throwOnError));
}