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  1. PONetwork manager with NSURLConnection
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    <p>I am trying to create something like a Network Manager using NSUrlConnections. For that, I want to be able to send multiple requests, but I also want to be able to identify the client(delegate) that made the request when the response arrives. I have created a NSDictionary like this:</p> <pre><code>NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:SERVER_TIMEOUT]; .... [clients setObject:client forKey:connection]; </code></pre> <p>in "- (void)connectionDidFinishLoading:(NSURLConnection *)connection" I have something like this:</p> <pre><code>client = (id&lt;RTANetworkDelegate&gt;)[clients objectForKey:connection]; [clients removeObjectForKey:connection]; </code></pre> <p>The Network Manager is the delegate for all the connections, I do some preprocessing and then I send the (parsed) response to the right delegate, that sent the request in the first place.</p> <p>Unfortunately, it appears that a NSMutableURLRequest cannot be set as a key in a dictionary since it does not have the copyWithZone method and I get the error:</p> <blockquote> <p>-[NSURLConnection copyWithZone:]: unrecognized selector sent to instance</p> </blockquote> <p>Any help would be much appreciated! Thanks!</p> <p>=======================================</p> <p>[Edit] I already found this in the meantime:</p> <p><a href="http://blog.emmerinc.be/index.php/2009/03/15/multiple-async-nsurlconnections-example/" rel="nofollow">http://blog.emmerinc.be/index.php/2009/03/15/multiple-async-nsurlconnections-example/</a></p> <p>It seems to solve my problem.. I still don't know if it's the best solution though. I thought I would post it here since it might help others too.</p>
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