Decode Java Char / String

Question

I've a form with Primefaces. The header of the xml file looks like that:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

When I send the form, I take the values with HttpServletRequest:

public String handleRequest(HttpServletRequest request) {    
   String shortname = request.getParameter("shortname");
   (...)

Now when shortname contains a umlaute, for example an ü, the umlaute will be saved as UTF-8 encoded. So my ü get saved as Ã¼.

How can I decode it again? All the tutorials use a byte-array, but I haven't one.

I need this variable in a EMail, and it doesn't look really good with some hieroglyphics.

What happens if you override the request's encoding before calling getParameter? e.g. call request.setCharacterEncoding("UTF-8");? — Seth Davenport
– Seth Davenport, Commented Jul 10, 2013 at 14:25
Haha what. How simple is that?! Perfect! You can it post a a answer and i'll accept it. — Michael Schmidt
– Michael Schmidt, Commented Jul 10, 2013 at 14:35

Seth Davenport · Accepted Answer · 2013-07-10 14:53:37Z

2

You need to tell the HttpServletRequest instance that it's in UTF-8:

public String handleRequest(HttpServletRequest request) {    
   try {
       request.setCharacterEncoding("UTF-8");
       String shortname = request.getParameter("shortname");

       (...)
   }
   catch (UnsupportedEncodingException e) {
       // ...
   }
}

edited Jul 10, 2013 at 14:53

answered Jul 10, 2013 at 14:40

Seth Davenport

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2 Comments

Michael Schmidt Over a year ago

Thanks again! BTW, setCharacterEncoding should be surrounded by try/catch :)

Seth Davenport Over a year ago

Yeah you're right. Serves me right for not actually compiling first :)

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