Add support for specifying a custom RKHTTPRequestOperation class

Author: blakewatters

Code/RKAbstractTableController.h

@@ -173,6 +173,7 @@ typedef NSInteger RKTableControllerState;
 @property (nonatomic, strong) NSOperationQueue *operationQueue;
 @property (nonatomic, strong) NSArray *responseDescriptors;
 
+- (void)setHTTPOperationClass:(Class)operationClass;
 - (void)loadTableWithRequest:(NSURLRequest *)request;
 - (void)cancelLoad;
 

Code/RKAbstractTableController.m

@@ -90,6 +90,8 @@ @interface RKAbstractTableController ()
 
 @property (nonatomic, strong) RKKeyboardScroller *keyboardScroller;
 @property (nonatomic, copy) void (^failureBlock)(NSError *error);
+@property (nonatomic, strong) Class HTTPOperationClass;
+
 @end
 
 @implementation RKAbstractTableController
@@ -620,8 +622,14 @@ - (NSIndexPath *)tableView:(UITableView *)tableView willSelectRowAtIndexPath:(NS
 
 #pragma mark - Network Table Loading
 
+- (Class)HTTPOperationClass
+{
+    return _HTTPOperationClass ?: [RKHTTPRequestOperation class];
+}
+
 - (id)objectRequestOperationWithRequest:(NSURLRequest *)request
 {
+    RKHTTPRequestOperation *requestOperation = [[[self HTTPOperationClass] alloc] initWithRequest:request];
     return [[RKObjectRequestOperation alloc] initWithRequest:request responseDescriptors:self.responseDescriptors];
 }
 

Code/RKFetchedResultsTableController.m

@@ -51,6 +51,7 @@ @interface RKFetchedResultsTableController ()
 @property (nonatomic, strong, readwrite) NSFetchedResultsController *fetchedResultsController;
 @property (nonatomic, strong) NSArray *arraySortedFetchedObjects;
 @property (nonatomic, assign, getter = hasRequestChanged) BOOL requestChanged;
+@property (nonatomic, readonly) Class HTTPOperationClass;
 
 - (BOOL)performFetch:(NSError **)error;
 - (void)updateSortedArray;
@@ -59,6 +60,7 @@ - (void)updateSortedArray;
 @implementation RKFetchedResultsTableController
 
 @dynamic delegate;
+@dynamic HTTPOperationClass;
 
 - (id)initWithTableView:(UITableView *)tableView viewController:(UIViewController *)viewController
 {
@@ -258,7 +260,8 @@ - (NSFetchRequest *)fetchRequest
 
 - (id)objectRequestOperationWithRequest:(NSURLRequest *)request
 {
-    RKManagedObjectRequestOperation *operation = [[RKManagedObjectRequestOperation alloc] initWithRequest:request responseDescriptors:self.responseDescriptors];
+    RKHTTPRequestOperation *requestOperation = [[[self HTTPOperationClass] alloc] initWithRequest:request];
+    RKManagedObjectRequestOperation *operation = [[RKManagedObjectRequestOperation alloc] initWithHTTPRequestOperation:requestOperation responseDescriptors:self.responseDescriptors];
     operation.managedObjectContext = self.managedObjectContext;
     operation.fetchRequestBlocks = self.fetchRequestBlocks;
     operation.managedObjectCache = self.managedObjectCache;