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Source:How to implement REST token-based authentication with JAX-RS and Jersey
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
Action action = ActionFactory.getAction(request);
String view = action.execute(request, response);
if (view.equals(request.getPathInfo().substring(1)) {
request.getRequestDispatcher("/WEB-INF/" + view + ".jsp").forward(request, response);
}
else {
response.sendRedirect(view); // We'd like to fire redirect in case of a view change as result of the action (PRG pattern).
}
}
catch (Exception e) {
throw new ServletException("Executing action failed.", e);
}
}
