NSHTTPURLResponse statusCode example ios

statusCode

Returns the receiver’s HTTP status code.

- (NSInteger)statusCode

Return Value

The receiver’s HTTP status code.

Example of [NSHTTPURLResponse statusCode]

- (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{
   NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
   int code = [httpResponse statusCode];
}

Example of [NSHTTPURLResponse statusCode]

- (void)connection:(NSURLConnection *)aConnection didReceiveResponse:(NSURLResponse*)response 
{
    if ([response isKindOfClass: [NSHTTPURLResponse class]])
        statusCode = [(NSHTTPURLResponse*) response statusCode];
}

Example of [NSHTTPURLResponse statusCode]

if (response) {
    NSHTTPURLResponse* newResp = (NSHTTPURLResponse*)response;
    NSLog(@"%d", newResp.statusCode);
}
else {
    NSLog(@"No response received");
}

NSHTTPURLResponse allHeaderFields example ios

allHeaderFields

Returns all the HTTP header fields of the receiver.

- (NSDictionary *)allHeaderFields

Return Value of [NSHTTPURLResponse allHeaderFields]

A dictionary containing all the HTTP header fields of the receiver. By examining this dictionary clients can see the “raw” header information returned by the HTTP server.

Example of [NSHTTPURLResponse allHeaderFields]

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
NSString *lastModifiedString = nil;
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse*)response;
  if ([httpResponse respondsToSelector:@selector(allHeaderFields)]) {
    lastModifiedString = [[httpResponse allHeaderFields] objectForKey:@"Last-Modified"];
  }
  // [Here is where the formatting-date-code and downloading would take place]
}

Example of [NSHTTPURLResponse allHeaderFields]

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
  NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse*)response;
  NSString *lastModifiedString = [[httpResponse allHeaderFields] objectForKey:@"Last-Modified"];
  // [Here is where the formatting-date-code and downloading would take place]
}

NSHTTPURLResponse localizedStringForStatusCode example ios

localizedStringForStatusCode:

Returns a localized string corresponding to a specified HTTP status code.

+ (NSString *)localizedStringForStatusCode:(NSInteger)statusCode

Parameters

statusCode

The HTTP status code.

Return Value of [NSHTTPURLResponse localizedStringForStatusCode]

A localized string suitable for displaying to users that describes the specified status code.

Example of [NSHTTPURLResponse localizedStringForStatusCode]

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {

    // cast the response to NSHTTPURLResponse so we can look for 404 etc
    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;

    if ([httpResponse statusCode] >= 400) {
        // do error handling here
        NSLog(@"remote url returned error %d %@",[httpResponse statusCode],[NSHTTPURLResponse localizedStringForStatusCode:[httpResponse statusCode]]);
    } else {
        // start recieving data
    }
}

Example of [NSHTTPURLResponse localizedStringForStatusCode]

-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {

    NSHTTPURLResponse *HTTPResponse = (NSHTTPURLResponse *)response;
    NSInteger statusCode = [HTTPResponse statusCode];

    if (404 == statusCode || 500 == statusCode) {
        //[self.controller setTitle:@"Error Getting Parking Spot ....."];
        [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:FALSE];

        [connection cancel];
        NSLog(@"Server Error - %@", [NSHTTPURLResponse localizedStringForStatusCode:statusCode]);
    } else {
        if ([self.requestType isEqualToString:@"GET"])
            [_responseData setLength:0];
    }
}