--- /dev/null
+#import "ITSharedController.h"
+
+static NSMutableDictionary *_ITSharedController_sharedControllers = nil;
+
+@implementation ITSharedController
+
++ (id)sharedController {
+ if (!_ITSharedController_sharedControllers) {
+ _ITSharedController_sharedControllers = [[NSMutableDictionary alloc] init];
+ }
+ id thisController;
+ if (thisController = [_ITSharedController_sharedControllers objectForKey:NSStringFromClass(self)]) {
+ return thisController;
+ } else {
+ thisController = [[self alloc] init];
+ [_ITSharedController_sharedControllers setObject:thisController forKey:NSStringFromClass(self)];
+ return thisController;
+ }
+}
+
+@end