java - Connect to Website via Cookie (setRequestProperty) -


i want write java application, logs website , navigates through different sites through cookie authentication. have managed log website , retrieve it's code. first problem:

while looping through headerfieldkeys there no "set-cookie" key, there only: date, server, x-powered-by, expires, last-modified, cache-control, cache-control, pragma, x-ua-compatible, x-frame-options, strict-transport-security, vary, connection, transfer-encoding , content-type.

as can see in code tried code retrieve cookies, worked. cookies want navigate link of website, won't work. 

package myedks;  import java.io.bufferedreader; import java.io.ioexception; import java.io.inputstreamreader; import java.io.printstream; import java.net.cookiehandler; import java.net.cookiemanager; import java.net.cookiepolicy; import java.net.cookiestore; import java.net.httpcookie; import java.net.url; import java.net.urlconnection; import java.util.list;  public class spielhelfer  {     public static httpcookie cookiew;      public static string cookiev;     @suppresswarnings("deprecation")     public static void main(string[] args)      {         try          {             // instantiate cookiemanager;             // make sure set cookiepolicy             cookiemanager manager = new cookiemanager();             manager.setcookiepolicy(cookiepolicy.accept_all);             cookiehandler.setdefault(manager);              // content urlconnection;             // cookies set web site             url url = new url("https://www.w-da.net/wws/109580.php?sid=41853050108060779043427902790460");             urlconnection con = url.openconnection();            // activate output             con.setdooutput(true);             printstream ps = new printstream(con.getoutputstream());             // send parameters site             ps.print("login_login=********");             ps.print("&login_password=********");              // have input stream in order send request             con.getinputstream();              // cookies underlying             // cookiestore             cookiestore cookiejar =  manager.getcookiestore();             list <httpcookie> cookies = cookiejar.getcookies();             (httpcookie cookie: cookies)              {               system.out.println("cookiehandler retrieved cookie: " + cookie);               cookiew = cookie;               string cookiec = cookie.getvalue();               int x = cookiec.length();               cookiev = cookiec;               system.out.println("**************************************");             }         }          catch(exception e)          {             system.out.println("unable cookie using cookiehandler");             e.printstacktrace();         }         system.out.println(cookiew);          try          {             url url2 = new url("https://www.w-da.net/wws/109580.php?sid=41853050108060779043427902790460");             urlconnection con2 = url2.openconnection();             con2.setrequestproperty("cookie", cookiev);             con2.connect();             bufferedreader in2 = new bufferedreader(new inputstreamreader(con2.getinputstream()));             string line2 = null;             while ((line2 = in2.readline()) != null)              {                 system.out.println(line2);             }         }          catch(exception e)         {             system.out.println("unable set cookie using cookiehandler");             e.printstacktrace();         }     } }

i not in java, recommend try use selenium webdriver. because navigate on websites in more higher way. contain nice api needed function. because write in way long , hard.


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