org.argeo.cms/src/org/argeo/cms/internal/kernel/HttpFilter.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import java.io.IOException;
   4
   5 import javax.servlet.Filter;
   6 import javax.servlet.FilterChain;
   7 import javax.servlet.FilterConfig;
   8 import javax.servlet.ServletException;
   9 import javax.servlet.ServletRequest;
  10 import javax.servlet.ServletResponse;
  11 import javax.servlet.http.HttpServletRequest;
  12 import javax.servlet.http.HttpServletResponse;
  13 import javax.servlet.http.HttpSession;
  14
  15 /** Abstract base class for http filters. */
  16 abstract class HttpFilter implements Filter {
  17         protected abstract void doFilter(HttpSession httpSession,
  18                         HttpServletRequest request, HttpServletResponse response,
  19                         FilterChain filterChain) throws IOException, ServletException;
  20
  21         @Override
  22         public void doFilter(ServletRequest servletRequest,
  23                         ServletResponse servletResponse, FilterChain filterChain)
  24                         throws IOException, ServletException {
  25                 HttpServletRequest request = (HttpServletRequest) servletRequest;
  26                 doFilter(request.getSession(), request,
  27                                 (HttpServletResponse) servletResponse, filterChain);
  28         }
  29
  30         @Override
  31         public void destroy() {
  32         }
  33
  34         @Override
  35         public void init(FilterConfig arg0) throws ServletException {
  36         }
  37
  38 }