.m

@implementation BridgeManagersNetwork

+ (NSString *)userAgent
{
    return @"custom-user-agent-to-be-defined";
}

- (FBLResponse *)executeWithFBLApiRequest:(FBLApiRequest *)apiRequest
{
    // implementazione del metodo GET e POST
    if ( [[apiRequest getMethod] isEqualToString:@"GET"] || [[apiRequest getMethod] isEqualToString:@"POST"] )
    {
        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:[apiRequest getUrl]]];
        [request setValue:[BridgeManagersNetwork userAgent] forHTTPHeaderField:@"User-Agent"];
        
        if ( [[apiRequest getMethod] isEqualToString:@"POST"] )
        {
            [request setHTTPMethod:@"POST"];
            [request setValue:@"application/json; charset=utf-8" forHTTPHeaderField:@"Content-Type"];
            
            if ( [apiRequest hasBody] )
            {
                [request setHTTPBody:[[apiRequest getJsonBody] dataUsingEncoding:NSUTF8StringEncoding]];
            }
        }
        
        if ( [apiRequest hasHeaders] )
        {
            id <JavaUtilMap>headers = [apiRequest getHeaders];
            for ( NSString *key in [[headers keySet] toArray] )
            {
                [request setValue:[headers getWithId:key] forHTTPHeaderField:key];
            }
        }
        
#if 1
        // ios pre 9
        NSError *error = nil;
        NSHTTPURLResponse *res = nil;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
        NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&res error:&error];
#pragma GCC diagnostic pop
#else
        // ios 9
        __block NSData *data = nil;
        __block NSError *error = nil;
        __block NSHTTPURLResponse *res = nil;
        
        dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
        
        NSURLSession *session = [NSURLSession sharedSession];
        
        [[session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable dataz, NSURLResponse * _Nullable response, NSError * _Nullable errorz) {
            
            data = dataz;
            error = errorz;
            res = (NSHTTPURLResponse *)response;
            
            dispatch_semaphore_signal(semaphore);
            
        }] resume];
        
        dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
#endif
        
        FBLResponse *response = nil;
        if ( data )
        {
            NSString *strresp = data ? [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] : @"";
            response = [[FBLResponse alloc] initWithInt:(res ? (int)[res statusCode] : 501) withNSString:strresp];
        }
        else
        {
            response = [[FBLResponse alloc] initWithInt:500 withNSString:@""];
        }
        return response;
    }
    NSAssert(FALSE, @"Metodo non supportato!");
    return nil;
}

@end