Introducing Java Servlet Container beta.

test/java/session/app.java

@@ -0,0 +1,30 @@
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+@WebServlet(urlPatterns = "/")
+public class app extends HttpServlet
+{
+    @Override
+    public void doGet(HttpServletRequest request, HttpServletResponse response)
+        throws IOException, ServletException
+    {
+        HttpSession s = request.getSession();
+        String old_var1 = (String) s.getAttribute("var1");
+        s.setAttribute("var1", request.getParameter("var1"));
+
+        if (old_var1 == null) {
+            response.addHeader("X-Var-1", "null");
+        } else {
+            response.addHeader("X-Var-1", old_var1);
+        }
+
+        response.addHeader("X-Session-Id", s.getId());
+        response.addHeader("X-Session-New", "" + s.isNew());
+    }
+}