Taking Advantage of iOS5 Built-In HTTP DiskCache

gistfile1.m

- (NSCachedURLResponse *) cachedResponseForRequest:(NSURLRequest *)request {
    NSCachedURLResponse *cachedURLResponse = [super cachedResponseForRequest:request];
    if (cachedURLResponse == nil && [request.HTTPMethod isEqualToString:@"GET"]) {
        //[db executeQuery:@"select * from test where a = ?", @"hi'",  nil];
        FMResultSet *cfurl_cache_response = [self.db executeQuery:@"select * from cfurl_cache_response where request_key = ? limit 1", request.URL.absoluteString, nil];
        if ([cfurl_cache_response next]) {
            id entry_ID = [cfurl_cache_response objectForColumnName:@"entry_ID"];
            [cfurl_cache_response close];
            if (entry_ID != [NSNull null]) {
                FMResultSet *cfurl_cache_blob_data = [self.db executeQuery:@"select * from cfurl_cache_blob_data where entry_ID = ? limit 1", entry_ID, nil];
                if ([cfurl_cache_blob_data next]) {
                    id response_object = [cfurl_cache_blob_data objectForColumnName:@"response_object"];
                    [cfurl_cache_blob_data close];
                    FMResultSet *cfurl_receiver_data = [self.db executeQuery:@"select * from cfurl_cache_receiver_data where entry_ID = ? limit 1", entry_ID, nil];
                    if ([cfurl_receiver_data next]) {
                        id receiver_data = [cfurl_receiver_data objectForColumnName:@"receiver_data"];
                        [cfurl_receiver_data close];
                        if (response_object != [NSNull null] && receiver_data != [NSNull null] && response_object && receiver_data) {
                            NSURLResponse *urlResponse = [[[NSURLResponse alloc] initWithURL:request.URL MIMEType:[[request allHTTPHeaderFields] objectForKey:@"Accept"] expectedContentLength:[(NSData *)response_object length] textEncodingName:nil] autorelease];
                            cachedURLResponse = [[[NSCachedURLResponse alloc] initWithResponse:urlResponse data:receiver_data userInfo:nil storagePolicy:NSURLCacheStorageAllowed] autorelease];
                        }
                    }
                }
            }
        }
    }
    return cachedURLResponse;
}

@asarazan My experience is that it only leaks when you explicitly call NSCachedURLResponse's data method. What have you found?