internal static bool ValidateMethodCall(string methodName,
ValidationContext validationContext, object[] parameters,
List <ValidationResult> validationResults, bool performTypeValidation)
{
if (string.IsNullOrEmpty(methodName))
{
throw new ArgumentNullException("methodName");
}
if (validationContext == null)
{
throw new ArgumentNullException("validationContext");
}
if (validationContext.ObjectInstance == null)
{
throw new ArgumentException(DataResource.ValidationUtilities_ContextInstance_CannotBeNull, "validationContext");
}
MethodInfo method = GetMethod(validationContext.ObjectInstance, methodName, parameters);
ValidationContext methodContext = CreateValidationContext(validationContext.ObjectInstance, validationContext);
methodContext.MemberName = method.Name;
DisplayAttribute display = GetDisplayAttribute(method);
if (display != null)
{
methodContext.DisplayName = display.GetName();
}
string memberPath = string.Empty;
if (performTypeValidation)
{
memberPath = method.Name + ".";
}
IEnumerable <ValidationAttribute> validationAttributes = method.GetCustomAttributes(typeof(ValidationAttribute), true).Cast <ValidationAttribute>();
bool success = ValidationUtilities.ValidateValue(validationContext.ObjectInstance, methodContext, validationResults, validationAttributes, string.Empty);
ParameterInfo[] parameterInfos = method.GetParameters();
for (int paramIndex = 0; paramIndex < parameterInfos.Length; paramIndex++)
{
ParameterInfo methodParameter = parameterInfos[paramIndex];
object value = (parameters.Length > paramIndex ? parameters[paramIndex] : null);
ValidationContext parameterContext = ValidationUtilities.CreateValidationContext(validationContext.ObjectInstance, validationContext);
parameterContext.MemberName = methodParameter.Name;
string paramName = methodParameter.Name;
display = GetDisplayAttribute(methodParameter);
if (display != null)
{
paramName = display.GetName();
}
parameterContext.DisplayName = paramName;
string parameterPath = memberPath;
if (performTypeValidation)
{
parameterPath += methodParameter.Name;
}
IEnumerable <ValidationAttribute> parameterAttributes = methodParameter.GetCustomAttributes(typeof(ValidationAttribute), false).Cast <ValidationAttribute>();
bool parameterSuccess = ValidationUtilities.ValidateValue(value, parameterContext, validationResults,
parameterAttributes, ValidationUtilities.NormalizeMemberPath(parameterPath, methodParameter.ParameterType));
if (parameterSuccess && performTypeValidation && value != null)
{
Type parameterType = methodParameter.ParameterType;
// If the user expects an exception we perform shallow validation only.
if (validationResults == null)
{
if (TypeUtility.IsComplexType(parameterType))
{
ValidationContext context = ValidationUtilities.CreateValidationContext(value, parameterContext);
context.DisplayName = paramName;
Validator.ValidateObject(value, context, /*validateAllProperties*/ true);
}
}
// Else we are able to report fully recursive validation errors to the user, perform deep validation.
else
{
if (TypeUtility.IsComplexType(parameterType))
{
parameterSuccess = ValidationUtilities.ValidateObjectRecursive(value, parameterPath, validationContext, validationResults);
}
else if (TypeUtility.IsComplexTypeCollection(parameterType))
{
parameterSuccess = ValidationUtilities.ValidateComplexCollection(value as IEnumerable, parameterPath, validationContext, validationResults);
}
}
}
success &= parameterSuccess;
}
return(success);
}
internal static bool TryValidateMethodCall(DomainOperationEntry operationEntry, ValidationContext validationContext, object[] parameters, List <ValidationResult> validationResults)
{
bool breakOnFirstError = validationResults == null;
ValidationContext methodContext = CreateValidationContext(validationContext.ObjectInstance, validationContext);
methodContext.MemberName = operationEntry.Name;
DisplayAttribute display = (DisplayAttribute)operationEntry.Attributes[typeof(DisplayAttribute)];
if (display != null)
{
methodContext.DisplayName = display.GetName();
}
string methodPath = string.Empty;
if (operationEntry.Operation == DomainOperation.Custom)
{
methodPath = operationEntry.Name + ".";
}
IEnumerable <ValidationAttribute> validationAttributes = operationEntry.Attributes.OfType <ValidationAttribute>();
bool success = Validator.TryValidateValue(validationContext.ObjectInstance, methodContext, validationResults, validationAttributes);
if (!breakOnFirstError || success)
{
for (int paramIndex = 0; paramIndex < operationEntry.Parameters.Count; paramIndex++)
{
DomainOperationParameter methodParameter = operationEntry.Parameters[paramIndex];
object value = (parameters.Length > paramIndex ? parameters[paramIndex] : null);
ValidationContext parameterContext = ValidationUtilities.CreateValidationContext(validationContext.ObjectInstance, validationContext);
parameterContext.MemberName = methodParameter.Name;
string paramName = methodParameter.Name;
AttributeCollection parameterAttributes = methodParameter.Attributes;
display = (DisplayAttribute)parameterAttributes[typeof(DisplayAttribute)];
if (display != null)
{
paramName = display.GetName();
}
parameterContext.DisplayName = paramName;
string parameterPath = string.Empty;
if (!string.IsNullOrEmpty(methodPath) && paramIndex > 0)
{
parameterPath = methodPath + methodParameter.Name;
}
IEnumerable <ValidationAttribute> parameterValidationAttributes = parameterAttributes.OfType <ValidationAttribute>();
bool parameterSuccess = ValidationUtilities.ValidateValue(value, parameterContext, validationResults, parameterValidationAttributes,
ValidationUtilities.NormalizeMemberPath(parameterPath, methodParameter.ParameterType));
// Custom methods run deep validation as well as parameter validation.
// If parameter validation has already failed, stop further validation.
if (parameterSuccess && operationEntry.Operation == DomainOperation.Custom && value != null)
{
Type parameterType = methodParameter.ParameterType;
if (TypeUtility.IsComplexType(parameterType))
{
parameterSuccess = ValidationUtilities.ValidateObjectRecursive(value, parameterPath, parameterContext, validationResults);
}
else if (TypeUtility.IsComplexTypeCollection(parameterType))
{
parameterSuccess = ValidationUtilities.ValidateComplexCollection(value as IEnumerable, parameterPath, parameterContext, validationResults);
}
}
success &= parameterSuccess;
if (breakOnFirstError && !success)
{
break;
}
}
}
return(success);
}
