Hi,
I have the practical need of splitting up a protocol implementation in 3
“parts”, because the protocol does a kind of “staged” setup whereby a
connection goes through these steps in order. I also need the benefits of
Contexts to maintain some state. Ideally, I would like to have the equivalent
of a HandlerList but for Servlets being added to a ServletContextHandler. How
could this be achieved?
Wrt to this question, I am confused about the
ServletHolder.setServletHandler(). What is its purpose? Does it replace the
handle() methods of the Servlet.class that is fed to the ServletHolder?
Obviously, I tried to use setServletHandler() with a HandlerList, but that does
not work. It is a bit lacking in the documentation and examples of how to used
embedded Jetty.
My first attempt was something along the lines of
HandlerList setupHandlers = new HandlerList();
setupHandlers.addHandler(new StageOneHandler());
setupHandlers.addHandler(new StageTwoHandler());
setupHandlers.addHandler(new StageThreeHandler());
ServletHandler setupHandler = new ServletHandler();
setupHandler.setHandler(setupHandlers);
ServletHolder setupHolder = new ServletHolder(DefaultServlet.class);
pairSetupHolder.setServletHandler(setupHandler);
But I clearly missed something from an architecture point of view
The (IMO) ugly workaround is to put the 3 stages in a regular Servlet, and do
an if-then based on some bytes of the protocol payload, but I prefer the more
beautiful solution ;-) Any help is welcome
Thanks
Karel
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