/// <summary>
/// Validates the parameter.
/// </summary>
/// <param name="invocation">The invocation.</param>
/// <param name="parameterPosition">The parameter position.</param>
/// <param name="runWhen">The run when.</param>
/// <param name="errors">The errors.</param>
protected virtual void ValidateParameter(IInvocation invocation, int parameterPosition, RunWhen runWhen, ErrorSummary errors)
{
MethodInfo method = invocation.Method;
ParameterInfoMeta parameterInfoMeta;
IValidator[] validators = methodValidatorMetaStore.GetValidatorsFor(method, parameterPosition, null, runWhen, out parameterInfoMeta);
foreach (IValidator validator in validators)
{
IPropertyAccessAware propertyAccessAware = (IPropertyAccessAware)validator;
object value = invocation.Arguments[parameterPosition];
if (parameterInfoMeta == ParameterInfoMeta.ParamsArray)
{
ValidateParamsArray(validator, propertyAccessAware, value, errors);
continue;
}
propertyAccessAware.PropertyAccessor = delegate { return(invocation.Arguments[parameterPosition]); };
if (validator.IsValid(value))
{
continue;
}
AppendError(validator, errors);
}
}
/// <summary>
/// Validate method parameters that are decorated with the params keyword.
/// </summary>
/// <param name="validator">The validator.</param>
/// <param name="propertyAccessAware">The property access aware.</param>
/// <param name="value">The value.</param>
/// <param name="errors">The errors.</param>
private void ValidateParamsArray(IValidator validator, IPropertyAccessAware propertyAccessAware, object value, ErrorSummary errors)
{
object[] paramsValue = (object[])value;
foreach (object paramValue in paramsValue)
{
propertyAccessAware.PropertyAccessor = delegate { return(paramValue); };
if (validator.IsValid(paramValue))
{
continue;
}
AppendError(validator, errors);
}
}
/// <summary>
/// Validate method parameters that are decorated with the params keyword.
/// </summary>
/// <param name="validator">The validator.</param>
/// <param name="propertyAccessAware">The property access aware.</param>
/// <param name="value">The value.</param>
/// <param name="errors">The errors.</param>
private void ValidateParamsArray(IValidator validator, IPropertyAccessAware propertyAccessAware, object value, ErrorSummary errors)
{
object[] paramsValue = (object[]) value;
foreach (object paramValue in paramsValue)
{
propertyAccessAware.PropertyAccessor = delegate { return paramValue; };
if (validator.IsValid(paramValue)) continue;
AppendError(validator, errors);
}
}