Is there a way to use UTF-8 with app engine?

Question

I\'m looking for some explanation on how the app engine deals with character encodings. I\'m working on a client-server application where the server is on app engine.

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Answer 1

This is not specific to GAE, but in case you find it useful: I made my own filter:

In web.xml

    charsetencoding
    mypackage.CharsetEncodingFilter

    ...

   charsetencoding
   /* 

(place the filter-mapping fragment quite at the beginning of the filter-mappings, and check your url-pattern.

And

public class CharsetEncodingFilter implements Filter {

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse res = (HttpServletResponse) response;
        req.setCharacterEncoding("UTF-8");
        chain.doFilter(req, res);
        res.setCharacterEncoding("UTF-8");
    }

    public void destroy() { }

    public void init(FilterConfig filterConfig) throws ServletException { }
}