Introducing Java Servlet Container beta.

test/java/filter/app.java

@@ -0,0 +1,54 @@
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.annotation.WebFilter;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
+@WebServlet(urlPatterns = "/")
+public class app extends HttpServlet
+{
+    @WebFilter(urlPatterns = "")
+    public static class filter implements Filter
+    {
+        @Override
+        public void init(FilterConfig filterConfig)
+        {
+        }
+
+        @Override
+        public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+            throws IOException, ServletException
+        {
+            response.getOutputStream().println("Extra Info");
+            response.setCharacterEncoding("utf-8");
+
+            ((HttpServletResponse) response).addHeader("X-Filter-Before", "1");
+
+            chain.doFilter(request, response);
+
+            ((HttpServletResponse) response).setHeader("X-Filter-After", "1");
+        }
+
+        @Override
+        public void destroy()
+        {
+        }
+    }
+
+    @Override
+    public void doGet(HttpServletRequest request, HttpServletResponse response)
+        throws IOException, ServletException
+    {
+        response.getOutputStream().println("This is servlet response");
+        response.setHeader("X-Filter-After", "0");
+    }
+}