java - SAX parser not completely working inside swing worker thread -

i tried couldn't working:

@override protected void doinbackground()     throws exception {     // code uses online stream , parse xml.     class saxhandler extends defaulthandler     {         @override         public void startelement(string uri, string localname, string qname, attributes attributes)             throws saxexception         {             system.out.println(qname);              switch (qname) {                 case "requiredname":                 // code create new node                 break ;             }         }          @override         public void characters(char[] ch, int start, int length)             throws saxexception         {             content = string.copyvalueof(ch, start, length).trim();         }          @override         public void endelement(string uri, string localname, string qname)              throws saxexception         {             system.out.println("---" + qname + "---");              switch (qname) {                 case "closing tag":                     publish(object);             }         }     }      url url = new url("http://feeds.feedburner.com/blogspot/infogate");     httpurlconnection con = (httpurlconnection)url.openconnection();     con.connect();     inputstream stream = con.getinputstream();     saxparserfactory spfac = saxparserfactory.newinstance();      saxparser parser = spfac.newsaxparser();     saxhandler handler = new saxhandler();     system.out.println("i here");     parser.parse(stream, handler); } 

for testing purposes, want parser writes out tags name encounters while parsing xml. writes starting tags , not parse more.

if go xml page , view source able see tags. parsing tags of starting line first <title> tag.

update: code parsing working fine in separate class not working when written inside swing worker thread's doinbackground() method.

everything else in application ready , stuck on part.