Class Filter.Chain

  • Enclosing class:
    Filter

    public static class Filter.Chain
    extends Object
    a chain of filters associated with a HttpServer. Each filter in the chain is given one of these so it can invoke the next filter in the chain
    • Method Detail

      • doFilter

        public void doFilter​(HttpExchange exchange)
                      throws IOException
        calls the next filter in the chain, or else the users exchange handler, if this is the final filter in the chain. The Filter may decide to terminate the chain, by not calling this method. In this case, the filter must send the response to the request, because the application's exchange handler will not be invoked.
        Parameters:
        exchange - the HttpExchange
        Throws:
        IOException - let exceptions pass up the stack
        NullPointerException - if exchange is null