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Thread: dohttppost error

  1. #1
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    Exclamation dohttppost error

    hi;
    Some time ago I've started writing a program that the ability to login to the website and submitting website form to be had but i got some error i use this cod:
    PHP Code:
     public HttpURLConnection dohttppost(URL targetUrlString contentString cookiethrows IOException {
            
    HttpURLConnection urlConnection null;
            
    HttpURLConnection urlConnection2 null;
            
    DataOutputStream dataOutputStream null;
            
    DataOutputStream dataOutputStream2 null;
            try {


                
    urlConnection = (HttpURLConnection) (targetUrl.openConnection());
                
    urlConnection.setDoInput(true);
                
    urlConnection.setDoOutput(true);

                
    urlConnection.setRequestProperty("Cookie"cookie);
                
    urlConnection.setRequestProperty("Content-Type"POST_CONTENT_TYPE);
                
    urlConnection.setRequestProperty("User-Agent""Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3");
                
    urlConnection.setRequestProperty("Connection""Keep-Alive");
                
    HttpURLConnection.setFollowRedirects(true);
                
    urlConnection.setRequestMethod("POST");
                
    dataOutputStream = new DataOutputStream(urlConnection.getOutputStream());
                
    dataOutputStream.writeBytes(content);
                
    dataOutputStream.flush();
                
    dataOutputStream.close();
                return 
    urlConnection;
            } catch (
    IOException ioException) {
                
    System.out.println("I/O problems while trying to do a HTTP post.");
                
    ioException.printStackTrace();
                if (
    dataOutputStream != null) {
                    try {
                        
    dataOutputStream.close();
                    } catch (
    Throwable ignore) {
                    }
                }
                if (
    urlConnection != null) {
                    
    urlConnection.disconnect();
                }

                throw 
    ioException;
            }
        } 
    I already login to the site and I want to submitted site form so i use this cod:
    PHP Code:
    HttpURLConnection urlConnection dohttppost(new URL("http://tv.station.ir/ab.php"), contentcookie); 
    and wesite url is: tv.station.ir/ab.php
    Website forms like the following picture:

    When I'm using the dohttppost method of operation Does correct but that page refers to another page form to Approving or final accepting like the following:
    wesite url refers to: tv.station.ir/ab.php
    again and form like the following picture:

    now when i use this cod i got error:
    PHP Code:
    URL ul urlConnection.getURL();
    HttpURLConnection urlConnection2 dohttppost(ulScontentcookie); 
    but confirm form does not work!!!
    and i can not send forms good because the forms has confirm form and refer to another page.
    plz help me what should i do?
    Last edited by Mohandes; April 3rd, 2011 at 04:54 AM.


  2. #2
    Administrator copeg's Avatar
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    Default Re: dohttppost error

    i got some error
    What error? Without all the information we're left guessing.

    This thread has been cross posted here:

    http://www.java-forums.org/new-java/41754-dohttppost-error.html

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    Please read: The problems with cross-posting

    Last edited by copeg; April 3rd, 2011 at 09:51 AM.

  3. The Following User Says Thank You to copeg For This Useful Post:

    Mohandes (April 3rd, 2011)

  4. #3
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    Default Re: dohttppost error

    Quote Originally Posted by copeg View Post
    What error? Without all the information we're left guessing.
    hi thx.
    i can not set user agent or set cookies setpropety for urlConnection to send confirm Form again!
    and i can not post confirm form!
    if i try do that i got this error:
    UrlConnection already connected or can not Setproperty again!!! but user agent is not set in the secound post!
    Last edited by Mohandes; April 3rd, 2011 at 12:04 PM.