Implemented servlet 6.1 redirect with content

jetty-ee11/jetty-ee11-servlet/src/main/java/org/eclipse/jetty/ee11/servlet/CrossContextDispatcher.java

@@ -144,7 +144,7 @@ public HttpURI getHttpURI()
         }
     }
 
-    private class IncludeResponse extends ServletCoreResponse
+    private static class IncludeResponse extends ServletCoreResponse
     {
         public IncludeResponse(Request coreRequest, HttpServletResponse httpServletResponse)
         {

jetty-ee11/jetty-ee11-servlet/src/main/java/org/eclipse/jetty/ee11/servlet/Dispatcher.java

@@ -664,6 +664,24 @@ public void sendRedirect(String location) throws IOException
         {
             // NOOP for include.
         }
+
+        @Override
+        public void sendRedirect(String location, boolean clearBuffer) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendRedirect(String location, int sc) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendRedirect(String location, int sc, boolean clearBuffer) throws IOException
+        {
+            // NOOP for include.
+        }
     }
 
     private class AsyncRequest extends ParameterRequestWrapper

jetty-ee11/jetty-ee11-servlet/src/main/java/org/eclipse/jetty/ee11/servlet/ServletApiResponse.java

@@ -656,4 +656,132 @@ public String toString()
             return HttpCookie.toString(this);
         }
     }
+
+    public static class CrossContextInclude extends ServletApiResponse
+    {
+        public CrossContextInclude(ServletContextResponse servletContextResponse)
+        {
+            super(servletContextResponse);
+        }
+
+        @Override
+        public void setCharacterEncoding(String charset)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setLocale(Locale loc)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setContentLength(int len)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setContentLengthLong(long len)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setContentType(String type)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void reset()
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void resetBuffer()
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setDateHeader(String name, long date)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void addDateHeader(String name, long date)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setHeader(String name, String value)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void addHeader(String name, String value)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setIntHeader(String name, int value)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void addIntHeader(String name, int value)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void setStatus(int sc)
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendError(int sc, String msg) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendError(int sc) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendRedirect(String location) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendRedirect(String location, boolean clearBuffer) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendRedirect(String location, int sc) throws IOException
+        {
+            // NOOP for include.
+        }
+
+        @Override
+        public void sendRedirect(String location, int sc, boolean clearBuffer) throws IOException
+        {
+            // NOOP for include.
+        }
+    }
 }

jetty-ee11/jetty-ee11-servlet/src/main/java/org/eclipse/jetty/ee11/servlet/ServletContextResponse.java

@@ -19,6 +19,7 @@
 import java.util.Map;
 import java.util.function.Supplier;
 
+import jakarta.servlet.DispatcherType;
 import jakarta.servlet.ServletContext;
 import jakarta.servlet.ServletResponse;
 import jakarta.servlet.ServletResponseWrapper;
@@ -174,6 +175,9 @@ protected ServletContextRequest getServletContextRequest()
 
     protected ServletApiResponse newServletApiResponse()
     {
+        if (_servletChannel.getServletContextHandler().isCrossContextDispatchSupported() &&
+            DispatcherType.INCLUDE.toString().equals(_servletChannel.getRequest().getContext().getCrossContextDispatchType(_servletChannel.getRequest())))
+            return new ServletApiResponse.CrossContextInclude(this);
         return new ServletApiResponse(this);
     }