/// <summary>
/// Validates the specified model to make sure that any methods that are being intercepted
/// are virtual and can be intercepted.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="store">The store.</param>
private void Validate(ComponentModel model, MethodValidatorMetaStore store)
{
if (model.Service == null || model.Service.IsInterface)
return;
MethodValidatorMetaInfo meta = store.GetMetaFor(model.Implementation);
if (meta == null)
return;
List<string> problematicMethods = new List<string>();
foreach (MethodInfo method in meta.Methods)
{
if (!method.IsVirtual)
problematicMethods.Add(method.Name);
}
if (problematicMethods.Count != 0)
{
String message = String.Format("The class {0} wants to use method validator interception, " +
"however the methods must be marked as virtual in order to do so. Please correct " +
"the following methods: {1}", model.Implementation.FullName,
String.Join(", ", problematicMethods.ToArray()));
throw new FacilityException(message);
}
}
/// <summary>
/// Validates the specified model to make sure that any methods that are being intercepted
/// are virtual and can be intercepted.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="store">The store.</param>
private void Validate(ComponentModel model, MethodValidatorMetaStore store)
{
if (model.Service == null || model.Service.IsInterface)
{
return;
}
MethodValidatorMetaInfo meta = store.GetMetaFor(model.Implementation);
if (meta == null)
{
return;
}
List <string> problematicMethods = new List <string>();
foreach (MethodInfo method in meta.Methods)
{
if (!method.IsVirtual)
{
problematicMethods.Add(method.Name);
}
}
if (problematicMethods.Count != 0)
{
String message = String.Format("The class {0} wants to use method validator interception, " +
"however the methods must be marked as virtual in order to do so. Please correct " +
"the following methods: {1}", model.Implementation.FullName,
String.Join(", ", problematicMethods.ToArray()));
throw new FacilityException(message);
}
}
/// <summary>
/// Adds the method interceptor to the type if there are methods that have validators
/// declared.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="store">The store.</param>
private static void AddMethodInterceptorIfValidatable(ComponentModel model, MethodValidatorMetaStore store)
{
MethodValidatorMetaInfo meta = store.GetMetaFor(GetServiceOrDefault(model));
if (meta == null)
{
return;
}
model.Dependencies.Add(new DependencyModel(DependencyType.Service, null, typeof(MethodValidatorInterceptor), false));
model.Interceptors.AddFirst(new InterceptorReference(typeof(MethodValidatorInterceptor)));
}
/// <summary>
/// Processes the model.
/// </summary>
/// <param name="kernel">The kernel.</param>
/// <param name="model">The model.</param>
public override void ProcessModel(IKernel kernel, ComponentModel model)
{
if (metaStore == null)
metaStore = (MethodValidatorMetaStore)kernel[typeof(MethodValidatorMetaStore)];
Type service = GetServiceOrDefault(model);
if (HasBuilders(model.Implementation))
metaStore.CreateMetaFromType(service, model.Implementation);
Validate(model, metaStore);
AddMethodInterceptorIfValidatable(model, metaStore);
}
/// <summary>
/// Processes the model.
/// </summary>
/// <param name="kernel">The kernel.</param>
/// <param name="model">The model.</param>
public override void ProcessModel(IKernel kernel, ComponentModel model)
{
if (metaStore == null)
{
metaStore = (MethodValidatorMetaStore)kernel[typeof(MethodValidatorMetaStore)];
}
Type service = GetServiceOrDefault(model);
if (HasBuilders(model.Implementation))
{
metaStore.CreateMetaFromType(service, model.Implementation);
}
Validate(model, metaStore);
AddMethodInterceptorIfValidatable(model, metaStore);
}
/// <summary>
/// Adds the method interceptor to the type if there are methods that have validators
/// declared.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="store">The store.</param>
private static void AddMethodInterceptorIfValidatable(ComponentModel model, MethodValidatorMetaStore store)
{
MethodValidatorMetaInfo meta = store.GetMetaFor(GetServiceOrDefault(model));
if (meta == null)
return;
model.Dependencies.Add(new DependencyModel(DependencyType.Service, null, typeof(MethodValidatorInterceptor), false));
model.Interceptors.AddFirst(new InterceptorReference(typeof(MethodValidatorInterceptor)));
}
/// <summary>
/// Initializes a new instance of the <see cref="MethodValidationContributor"/> class.
/// </summary>
/// <param name="methodValidatorMetaStore">The method validator meta store.</param>
public MethodValidationContributor(MethodValidatorMetaStore methodValidatorMetaStore)
{
this.methodValidatorMetaStore = methodValidatorMetaStore;
}
/// <summary>
/// Initializes a new instance of the <see cref="MethodValidationContributor"/> class.
/// </summary>
/// <param name="methodValidatorMetaStore">The method validator meta store.</param>
public MethodValidationContributor(MethodValidatorMetaStore methodValidatorMetaStore)
{
this.methodValidatorMetaStore = methodValidatorMetaStore;
}