public void OnEnter(ParameterInterceptionArgs e)
{
if ((int)e.Value > 10)
{
Console.WriteLine($"Invalid parameter {e.Parameter.Name}");
}
}
/// <summary>
/// Called when a method has been invoked, and executes before the method body and method interceptors.
/// </summary>
/// <param name="e">The interception event arguments.</param>
public void OnEnter(ParameterInterceptionArgs e)
{
var type = e.Parameter.ParameterType;
if (e.Value != null && !type.IsValueType)
{
return;
}
e.Value = Resolve(type);
}
/// <summary>
/// Initializes the members which will have been and will be referenced.
/// </summary>
private void InitializeReferencedMembers()
{
// interfaces
IInjectAfterInitializer = ResolveType("IInjectAfterInitializer");
IInjectBeforeInitializer = ResolveType("IInjectBeforeInitializer");
IInstanceAware = ResolveType("IInstanceAware");
IMemberAware = ResolveType("IMemberAware");
IMethodInterceptor = ResolveType("IMethodInterceptor");
IMethodReturnInterceptor = ResolveType("IMethodReturnInterceptor");
IParameterInterceptor = ResolveType("IParameterInterceptor");
IPropertyGetInterceptor = ResolveType("IPropertyGetInterceptor");
IPropertySetInterceptor = ResolveType("IPropertySetInterceptor");
IRequireInitialization = ResolveType("IRequireInitialization");
// classes
CompilationImplementsAttribute = ResolveType("CompilationImplementsAttribute");
CompilationOptionsAttribute = ResolveType("CompilationOptionsAttribute");
Exception = ResolveType("Exception");
MethodBase = ResolveType("MethodBase");
MethodInfo = ResolveType("MethodInfo");
MethodInterceptionArgs = ResolveType("MethodInterceptionArgs");
MethodReturnInterceptionArgs = ResolveType("MethodReturnInterceptionArgs");
ObjectArray = new ArrayType(ResolveType("Object"));
ParameterInfo = ResolveType("ParameterInfo");
ParameterInterceptionArgs = ResolveType("ParameterInterceptionArgs");
PropertyInfo = ResolveType("PropertyInfo");
PropertyInterceptionArgs = ResolveType("PropertyInterceptionArgs");
Type = ResolveType("Type");
TypeArray = new ArrayType(Type);
// constructors
CompilerGeneratedAttributeCtor = ResolveType("CompilerGeneratedAttribute").GetConstructor();
MethodInterceptionArgsCtor = MethodInterceptionArgs.GetConstructor();
MethodReturnInterceptionArgsCtor = MethodReturnInterceptionArgs.GetConstructor();
NonSerializedAttributeCtor = ResolveType("NonSerializedAttribute").GetConstructor();
ParameterInterceptionArgsCtor = ParameterInterceptionArgs.GetConstructor();
PropertyInterceptionArgsCtor = PropertyInterceptionArgs.GetConstructor();
// methods
MethodBaseGetMethodFromHandle = ResolveType("MethodBase").GetMethod("GetMethodFromHandle", parameters: new[] { ResolveType("RuntimeMethodHandle") });
MethodBaseGetMethodFromHandleAndType = ResolveType("MethodBase").GetMethod("GetMethodFromHandle", parameters: new[] { ResolveType("RuntimeMethodHandle"), ResolveType("RuntimeTypeHandle") });
MethodBaseGetParameters = ResolveType("MethodBase").GetMethod("GetParameters");
MethodInterceptorOnEnter = IMethodInterceptor.GetMethod("OnEnter");
MethodInterceptorOnException = IMethodInterceptor.GetMethod("OnException");
MethodInterceptorOnExit = IMethodInterceptor.GetMethod("OnExit");
MethodReturnInterceptorOnReturn = IMethodReturnInterceptor.GetMethod("OnReturn");
ParameterInterceptorOnEnter = IParameterInterceptor.GetMethod("OnEnter");
PropertyGetInterceptorOnExit = IPropertyGetInterceptor.GetMethod("OnExit");
PropertyGetInterceptorOnGet = IPropertyGetInterceptor.GetMethod("OnGet");
PropertySetInterceptorOnExit = IPropertySetInterceptor.GetMethod("OnExit");
PropertySetInterceptorOnSet = IPropertySetInterceptor.GetMethod("OnSet");
RequireInitializationInitialize = IRequireInitialization.GetMethod("Initialize");
TypeGetProperty = Type.GetMethod("GetProperty", parameters: new[] { ResolveType("String"), ResolveType("BindingFlags") });
TypeGetTypeFromHandle = Type.GetMethod("GetTypeFromHandle", parameters: new[] { ResolveType("RuntimeTypeHandle") });
TypeMakeGenericType = Type.GetMethod("MakeGenericType");
// properties
InstanceAwareInstanceSet = IInstanceAware.GetProperty("Instance").Resolve().SetMethod.Import();
MemberAwareMemberSet = IMemberAware.GetProperty("Member").Resolve().SetMethod.Import();
MethodInterceptionArgsCancelGet = MethodInterceptionArgs.GetProperty("Cancel").Resolve().GetMethod.Import();
MethodInterceptionArgsReturnGet = MethodInterceptionArgs.GetProperty("Return").Resolve().GetMethod.Import();
MethodInterceptionArgsReturnSet = MethodInterceptionArgs.GetProperty("Return").Resolve().SetMethod.Import();
MethodReturnInterceptionArgsValueGet = MethodReturnInterceptionArgs.GetProperty("Value").Resolve().GetMethod.Import();
MethodReturnInterceptionArgsValueSet = MethodReturnInterceptionArgs.GetProperty("Value").Resolve().SetMethod.Import();
ParameterInterceptionArgsValueGet = ParameterInterceptionArgs.GetProperty("Value").Resolve().GetMethod.Import();
PropertyInterceptionArgsIsDirtyGet = PropertyInterceptionArgs.GetProperty("IsDirty").Resolve().GetMethod.Import();
PropertyInterceptionArgsValueGet = PropertyInterceptionArgs.GetProperty("Value").Resolve().GetMethod.Import();
PropertyInterceptionArgsValueSet = PropertyInterceptionArgs.GetProperty("Value").Resolve().SetMethod.Import();
TypeTypeHandleGet = Type.GetProperty("TypeHandle").Resolve().GetMethod.Import();
}