public void AddAopHandler(MethodBase methodBase, IList methodHandlers)
{
if (validatorType == ParameterValidatorType.UsageAttribute)
{
AddAopHandlerByUsageAttribute(methodBase, methodHandlers);
}
else
{
if (cachedHandlers == null)
{
cachedHandlers = new Dictionary <MethodBase, ParameterValidatorHandler>();
}
ParameterValidatorHandler handler;
if (!cachedHandlers.TryGetValue(methodBase, out handler))
{
string paramName = this.parameterName;
paramName = paramName.ToLower();
int paramIndex = -1;
ParameterInfo paramInfo = null;
var ps = methodBase.GetParameters();
for (int i = 0, len = ps.Length; i < len; i++)
{
var p = ps[i];
if (p.Name.ToLower() == paramName)
{
paramInfo = p;
paramIndex = i;
break;
}
}
if (paramInfo == null)
{
throw new AopMethodParameterNotFoundException(methodBase.DeclaringType, methodBase.Name, paramName);
}
var validator = CreateValidator(validatorType, paramInfo.ParameterType, validatorParameters);
handler = new ParameterValidatorHandler(paramIndex, validator);
cachedHandlers[methodBase] = handler;
}
if (handler != null)
{
methodHandlers.Add(handler);
}
}
}
private void AddAopHandlerByUsageAttribute(MethodBase methodBase, IList methodHandlers)
{
ParameterValidatorHandler handler;
if (cachedStaticHandlers == null)
{
cachedStaticHandlers = new Dictionary <MethodBase, ParameterValidatorHandler>();
}
if (!cachedStaticHandlers.TryGetValue(methodBase, out handler))
{
List <int> paramIndexs = null;
List <IParameterValidator> validators = null;
var ps = methodBase.GetParameters();
for (int i = 0, len = ps.Length; i < len; i++)
{
var p = ps[i];
foreach (var attr in p.GetCustomAttributes <ParameterValidatorAttribute>(true))
{
if (paramIndexs == null)
{
paramIndexs = new List <int>();
validators = new List <IParameterValidator>();
}
paramIndexs.Add(i);
IParameterValidator validator = attr.CreateValidator(p);
if (validator != null)
{
validators.Add(validator);
}
}
}
if (paramIndexs != null)
{
handler = new ParameterValidatorHandler(paramIndexs.ToArray(), validators.ToArray());
}
cachedStaticHandlers[methodBase] = handler;
}
if (handler != null)
{
methodHandlers.Add(handler);
}
}
