IErrorHandler implementation

01	Step2: using System;

02	using System.Collections.ObjectModel;

03	using System.Diagnostics;

04	using System.ServiceModel;

05	using System.ServiceModel.Channels;

06	using System.ServiceModel.Description;

07	using System.ServiceModel.Dispatcher;

08

09	namespace WcfServiceLibrary1

10

{

11	public class ErrorHandler : IErrorHandler, IServiceBehavior

12

{

13	public void AddBindingParameters(

14	ServiceDescription serviceDescription,

15	ServiceHostBase serviceHostBase,

16	Collection<ServiceEndpoint> endpoints,

17	BindingParameterCollection bindingParameters)

18

{

19

}

20

21	public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)

22

{

23	IErrorHandler errorHandler = new ErrorHandler();

24

25	foreach (ChannelDispatcherBase channelDispatcherBase inserviceHostBase.ChannelDispatchers)

26

{

27	ChannelDispatcher channelDispatcher = channelDispatcherBase asChannelDispatcher;

28

29	if (channelDispatcher != null)

30

{

31	channelDispatcher.ErrorHandlers.Add(errorHandler);

32

}

33

}

34

}

35

36	public bool HandleError(Exception error)

37

{

38	Trace.TraceError(error.ToString());

39

40	// Returning true indicates you performed your behavior.

41	return true;

42

}

43

44	public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)

45

{

46

}

47

48	public void ProvideFault(Exception error, MessageVersion version, ref Message fault)

49

{

50	// Shield the unknown exception

51	FaultException faultException = new FaultException(

52	"Server error encountered. All details have been logged.");

53	MessageFault messageFault = faultException.CreateMessageFault();

54

55	fault = Message.CreateMessage(version, messageFault, faultException.Action);

56

}

57

}

58

}