1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.application;
20
21 import java.lang.reflect.InvocationHandler;
22 import java.lang.reflect.Method;
23 import java.lang.reflect.Proxy;
24
25 import javax.servlet.http.HttpServletResponse;
26 import javax.servlet.http.HttpServletResponseWrapper;
27
28 /**
29 * @author Werner Punz (latest modification by $Author$)
30 * @version $Revision$ $Date$
31 *
32 * the problem with the system event listeners is that they
33 * are triggered often outside of an existing request
34 * hence we have to provide dummy objects
35 */
36
37 public class _SystemEventServletResponse extends HttpServletResponseWrapper
38 {
39
40 public _SystemEventServletResponse()
41 {
42 super( (HttpServletResponse) Proxy.newProxyInstance(
43 HttpServletResponse.class.getClassLoader(),
44 new Class[] { HttpServletResponse.class },
45 new InvocationHandler()
46 {
47 public Object invoke(Object proxy, Method m, Object[] args)
48 {
49 throw new UnsupportedOperationException("This response class is an empty placeholder");
50 }
51 }));
52 }
53
54 @Override
55 public String getCharacterEncoding()
56 {
57 return null;
58 }
59
60 @Override
61 public String getContentType()
62 {
63 return null;
64 }
65
66 @Override
67 public void setCharacterEncoding(String charset)
68 {
69 }
70
71 @Override
72 public void setContentLength(int len)
73 {
74 }
75
76 @Override
77 public void setContentType(String type)
78 {
79 }
80
81 }