Why won't startLoading be called in my NSURLProtocol subclass?

Question

I am looking at NSURLProtocol and am trying to insert some headers.

- (void)startLoading {
    NSMutableURLRequest *newRequest = [self.request mutableCopy];
    [NSURLProtocol setProperty:@YES forKey:kAccessCodeProtocolKey inRequest:newRequest];
    self.connection = [NSURLConnection connectionWithRequest:self.request delegate:self];
}

But my startLoading is never called

Sorry... I edited my post too late. – jimijon Mar 13 '14 at 19:29 — jimijon, Mar 13 '14 at 19:29

score 1 · Answer 1 · answered Mar 13 '14 at 18:58

I have a feeling you haven't gone threw a deep search, anyway to add a header use the following snippet

NSURL *URL = [NSURL URLWithString:@"http://example.com/..."];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL
                                                       cachePolicy:NSURLRequestUseProtocolCachePolicy
                                                   timeoutInterval:30.0];
[request addValue:@"application/json" forHTTPHeaderField:@"Content-Type"];

score 1 · Accepted Answer · answered Apr 14 '14 at 08:32

1

Have you implemented canInitWithRequest: ? Does it return YES? If not, startLoading will never be called.

answered Apr 14 '14 at 08:32

gnasher729

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score 0 · Answer 3 · edited Mar 13 '14 at 19:09

0

You would normally initialize it with an NSURL instance and NSMutableURLRequest will provide you the

- (void)addValue:(NSString *)value forHTTPHeaderField:(NSString *)field

Method so you can set your headers in this way

edited Mar 13 '14 at 19:09

David Berry

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answered Mar 13 '14 at 18:56

darren102

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Why won't startLoading be called in my NSURLProtocol subclass?

3 Answers3