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POParsing HTML Response - iPhone App
 

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    <p>I'm creating an app. I'm sending the login info using HTTP POST method and the replyI'm getting from server is in HTML format. How can I parse that HTML and add different methods for succession or failure? What I'm trying to achieve is, upon login failure it should show the message using UIAlerView and upon successful login, the app should change the view with animation. :) </p> <p>The code I'm using right now:</p> <pre><code>- (IBAction) loginButton: (id) sender { indicator.hidden = NO; [indicator startAnimating]; loginbutton.enabled = NO; // Create the username and password string. // username and password are the username and password to login with NSString *postString = [[NSString alloc] initWithFormat:@"username=%@&amp;password=%@",userName, password]; // Package the string in an NSData object NSData *requestData = [postString dataUsingEncoding:NSASCIIStringEncoding]; // Create the URL request NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL: [NSURL URLWithString:@"http://localhost/dologin.php"]]; // create the URL request [request setHTTPMethod: @"POST"]; // you're sending POST data [request setHTTPBody: requestData]; // apply the post data to be sent // Call the URL NSURLResponse *response; // holds the response from the server NSError *error; // holds any errors NSData *returnData = [NSURLConnection sendSynchronousRequest: request returningResponse:&amp;response error:&amp;error]; // call the URL /* If the response from the server is a web page, dataReturned will hold the string of the HTML returned. */ NSString *dataReturned = [[NSString alloc] initWithData:returnData encoding:NSASCIIStringEncoding]; alertWithOkButton = [[UIAlertView alloc] initWithTitle:@"Status..." message:[NSString stringWithFormat:@"%@",dataReturned] delegate:self cancelButtonTitle:@"Okay" otherButtonTitles:nil]; [alertWithOkButton show]; [alertWithOkButton release]; } </code></pre>
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    1. USAniruddh Joshi
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      1. USnkcmr
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    1. COThat's a broad question. First of all, parsing HTML is probably not the way to go here - a SOAP-type thing would be preferable, if you can do it, since you'd be better off decoupling the login from the vagaries of the HTML. Second of all, POSTing the bare password is a bad idea unless you use HTTPS. Third of all, see this question: http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone
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      1. POParsing HTML Response - iPhone App
      1. USRobert
    2. COThanks Robert, why don't you post this as an answer so I can select it. :)
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      1. USAniruddh Joshi
 

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