Portion of an example as demonstrated in using NSURLConnection Delegate

gistfile1.m

// MyHTTPRequest.h
@interface MyHttpRequest : NSObject {
   // The following 3 class attributes are saved as the initial request is created.
   // If a redirect occurs, these attributes will be used to copy to the last redirected request,
   // only if the URL is the same as the initial request's URL
   NSData *requestBodyData; 
   NSString *requestMethod; // POST or GET
   NSURL *requestURL; // initial request's URL
   // other attributes omitted
}
// notice we 'copy' the NSData. This will be the original request's HTTPBody
@property (nonatomic, copy) NSData *requestBodyData;
@property (nonatomic, retain) NSString *requestMethod;
@property (nonatomic, retain) NSURL *requestURL;
// other attributes omitted