public class EntryIdInspector : IParameterInspector
{
public int intParamIndex
{
get;
set;
}
string EntryIdFormat = @"\d{17}"; public EntryIdInspector(): this(0){ } public EntryIdInspector(int intParamIndex)
{
this.intParamIndex = intParamIndex;
} public object BeforeCall(string operationName, object[] inputs)
{
string strEntryId = inputs[this.intParamIndex] as string;
if (!Regex.IsMatch(strEntryId, this.EntryIdFormat, RegexOptions.None))
{ MessageQueue mq = new MessageQueue(@".\private$\msgqueue");
mq.Send( "Parameter is not valid when call " + operationName + " at " + DateTime.Now.ToLongDateString());
throw new FaultException(
"Invalid Entry ID format. Required format: ##################");
}
return null; }
public void AfterCall(string operationName, object[] outputs, object returnValue, object correlationState)
{
MessageQueue mq = new MessageQueue(@".\private$\msgqueue");
string strResult = returnValue.ToString();
mq.Send("Client call " + operationName + ":" + strResult + " at " + DateTime.Now.ToLongDateString()); }
}
public class EntryIdValidation : Attribute, IOperationBehavior
{
#region IOperationBehavior Members public void AddBindingParameters(OperationDescription operationDescription,
BindingParameterCollection bindingParameters)
{
} public void ApplyClientBehavior(OperationDescription operationDescription,
ClientOperation clientOperation)
{
EntryIdInspector EntryIdInspector = new EntryIdInspector();
clientOperation.ParameterInspectors.Add(EntryIdInspector);
} public void ApplyDispatchBehavior(OperationDescription operationDescription,
DispatchOperation dispatchOperation)
{
EntryIdInspector EntryIdInspector = new EntryIdInspector();
dispatchOperation.ParameterInspectors.Add(EntryIdInspector);
} public void Validate(OperationDescription operationDescription)
{
} #endregion
}
在操作Operation上加入标签attribute，在操作契约中加上标签[EntryIdValidation]
[ServiceContract]
public interface IRelSrvContract
{
[EntryIdValidation]
[OperationContract]
bool Rel(string strEntryID);
}