static VersionHandlingHttpControllerSelector()
{
Assembly currentAssembly = typeof(VersionHandlingHttpControllerSelector).Assembly;
string currentAssemblyLocation = currentAssembly.Location;
string currentAssemblyName = currentAssembly.GetName().Name;
string controllersXMLPath = ControllersXMLPath.IsNotNullOrEmpty() ? ControllersXMLPath : Path.Combine(currentAssemblyLocation, "ControllerDispatchment", "ControllerEntityVersionsAndNamesMapping", "ControllerEntityVersionsAndNamesMapping.xml");
XDocument xDocForControllersXML = XDocument.Load(controllersXMLPath);
_controllersXML = XMLUtility.DeSerialize <ControllersXML>(xDocForControllersXML.ToString());
string controllersXSDPath = ControllersXSDPath.IsNotNullOrEmpty() ? ControllersXSDPath : ("RestfulWebAPI.ControllerDispatchment.ControllerEntityVersionsAndNamesMapping.ControllerEntityVersionsAndNamesMapping.xsd");
string controllersXSDAssemblyName = ControllersXSDAssemblyName.IsNotNullOrEmpty() ? ControllersXSDAssemblyName : currentAssemblyName;
string xmlValidationErrors = XSDUtility.Validate(controllersXSDAssemblyName, ControllersXSDPath, xDocForControllersXML.ToString());
if (xmlValidationErrors.IsNotNullOrEmpty())
{
HttpResponseUtility.ThrowHttpResponseError(HttpStatusCode.InternalServerError, xmlValidationErrors);
}
string entitiesXMLPath = EntitiesXMLPath.IsNotNullOrEmpty() ? EntitiesXMLPath : Path.Combine(currentAssemblyLocation, "ControllerDispatchment", "ControllerEntityVersionsAndNamesMapping", "EntitiesAndIDTypesMapping.xml");
XDocument xDocForEntitiesXML = XDocument.Load(entitiesXMLPath);
_entitiesXML = XMLUtility.DeSerialize <EntitiesXML>(xDocForEntitiesXML.ToString());
string entitiesXSDPath = EntitiesXSDPath.IsNotNullOrEmpty() ? EntitiesXSDPath : ("RestfulWebAPI.ControllerDispatchment.ControllerEntityVersionsAndNamesMapping.EntitiesAndIDTypesMapping.xsd");
string entitiesXSDAssemblyName = EntitiesXSDAssemblyName.IsNotNullOrEmpty() ? EntitiesXSDAssemblyName : currentAssemblyName;
xmlValidationErrors = XSDUtility.Validate(entitiesXSDAssemblyName, entitiesXSDPath, xDocForEntitiesXML.ToString());
if (xmlValidationErrors.IsNotNullOrEmpty())
{
HttpResponseUtility.ThrowHttpResponseError(HttpStatusCode.InternalServerError, xmlValidationErrors);
}
//Register this cache in Unity DI Container with Singleton lifetime
_cache = Container.Instance.Resolve <ICache <string, HttpControllerDescriptor> >();
}
private static PolicyBuilder BuildPolicyBuilderFromPollyTransientFailureExceptionsXMLFile()
{
return(ExceptionHandlingUtility.WrapFuncWithExceptionHandling(() =>
{
PolicyBuilder policyBuilder = null;
XDocument xDoc = XDocument.Load(Path.Combine(typeof(BasicPollyExceptionHandler).Assembly.Location, "ExceptionHandling", "PollyBasedExceptionHandling", "PollyTransientFailureExceptions.xml"));
_pollyTransientFailureExceptions = XMLUtility.DeSerialize <PollyTransientFailureExceptions>(xDoc.ToString());
_splittedTransientFailureExceptions = _pollyTransientFailureExceptions.TransientFailureExceptions.SelectMany(x => x.CommaSeperatedTransientFailureExceptions.Split(",", StringSplitOptions.RemoveEmptyEntries)).Distinct();
if (_splittedTransientFailureExceptions.IsNotNullOrEmpty())
{
string firstTransientFailureException = _splittedTransientFailureExceptions.First();
string assemblyName = _pollyTransientFailureExceptions.TransientFailureExceptions.SingleOrDefault(x => x.CommaSeperatedTransientFailureExceptions.Contains(firstTransientFailureException)).AssemblyName;
Type firstTransientFailureExceptionType = MetaDataUtility.GetType(assemblyName, firstTransientFailureException);
Type[] transientFailureExceptionTypesArray = new Type[1];
transientFailureExceptionTypesArray[0] = firstTransientFailureExceptionType;
policyBuilder = MetaDataUtility.InvokeStaticMethod <Policy, PolicyBuilder>("Handle", transientFailureExceptionTypesArray);
IEnumerable <string> transientFailureExceptionsOtherThanTheFirst = _splittedTransientFailureExceptions.Skip(1);
if (transientFailureExceptionsOtherThanTheFirst.IsNotNullOrEmpty())
{
transientFailureExceptionsOtherThanTheFirst.ForEach(x =>
{
assemblyName = _pollyTransientFailureExceptions.TransientFailureExceptions.SingleOrDefault(y => y.CommaSeperatedTransientFailureExceptions.Contains(x)).AssemblyName;
Type transientFailureExceptionTypeForOtherThanTheFirst = MetaDataUtility.GetType(assemblyName, x);
Type[] transientFailureExceptionTypesArrayForOtherThanTheFirst = new Type[1];
transientFailureExceptionTypesArrayForOtherThanTheFirst[0] = transientFailureExceptionTypeForOtherThanTheFirst;
policyBuilder = MetaDataUtility.InvokeInstanceMethod <PolicyBuilder, PolicyBuilder>(policyBuilder, "Or", transientFailureExceptionTypesArrayForOtherThanTheFirst);
}
);
}
}
return policyBuilder;
}, _staticLoggerInstance));
}