JsonServiceClient.PostAsync and custom HTTP headers
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Christopher House
Jul 30, 2012, 11:26:31 AM7/30/12
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Greetings -
I'm using JsonServiceClient on MonoTouch to call some RESTful services. One of the requirements of the service that I'm calling is that I need to send a custom HTTP header for "security" purposes. This was all working slendidly. I was adding the custom header via the following code in the constructor of my class which calls the REST service:
JsonServiceClient.HttpWebRequestFilter = filter => {
filter.Headers.Add(string.Format("header name goes here: {0}", SECURITY_HEADER));
};
However I've now refactored my code so that the service call is asynchronous. Below is what my code looks like now that I've refactored:
public void BeginSubmitEmployeeReferral(EmployeeReferral referral, Action<ServiceResponse> callback)
{
using (JsonServiceClient client = new JsonServiceClient())
{
client.PostAsync<ServiceResponse>(EMPLOYEE_REFERRAL_URL,
referral,
(response) => {
// Success
callback(response);
},
(response, exception) => {
Console.WriteLine(exception.ToString()); // TODO: Something better than this
callback(null);
});
}
}
I'm using a web proxy (Charles) to capture all the HTTP traffic from my MonoTouch app. I can see that since I've refactored to make my method async, the custom header is no longer added to the outgoing request and the response I get from the service is an HTTP 401 (expected behavior when the custom header isn't present).
Is there a different way to set custom HTTP headers when using the async methods of JsonServiceClient?
Thanks!
Chris
I'm using JsonServiceClient on MonoTouch to call some RESTful services. One of the requirements of the service that I'm calling is that I need to send a custom HTTP header for "security" purposes. This was all working slendidly. I was adding the custom header via the following code in the constructor of my class which calls the REST service:
JsonServiceClient.HttpWebRequestFilter = filter => {
filter.Headers.Add(string.Format("header name goes here: {0}", SECURITY_HEADER));
};
However I've now refactored my code so that the service call is asynchronous. Below is what my code looks like now that I've refactored:
public void BeginSubmitEmployeeReferral(EmployeeReferral referral, Action<ServiceResponse> callback)
{
using (JsonServiceClient client = new JsonServiceClient())
{
client.PostAsync<ServiceResponse>(EMPLOYEE_REFERRAL_URL,
referral,
(response) => {
// Success
callback(response);
},
(response, exception) => {
Console.WriteLine(exception.ToString()); // TODO: Something better than this
callback(null);
});
}
}
I'm using a web proxy (Charles) to capture all the HTTP traffic from my MonoTouch app. I can see that since I've refactored to make my method async, the custom header is no longer added to the outgoing request and the response I get from the service is an HTTP 401 (expected behavior when the custom header isn't present).
Is there a different way to set custom HTTP headers when using the async methods of JsonServiceClient?
Thanks!
Chris
Demis Bellot
Aug 13, 2012, 6:00:36 PM8/13/12
to servic...@googlegroups.com
Note: Issues should be added to Github issues with a failing reproducible test.
The code for the Sync + Async clients is at:
Here's the LOC that should apply the filter:
So I'm not sure what the issue is, will need a stand-alone failing test to repro (on Github).
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