1 /*
2 * $Id$
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 package org.apache.tiles.servlet.context;
23
24 import java.io.IOException;
25 import java.io.PrintWriter;
26
27 import javax.servlet.http.HttpServletResponse;
28 import javax.servlet.http.HttpServletResponseWrapper;
29
30 /**
31 * Wraps an HTTP response and overrides its print writer.
32 *
33 * @version $Rev$ $Date$
34 * @since 2.2.0
35 */
36 public class ExternalWriterHttpServletResponse extends
37 HttpServletResponseWrapper {
38
39 /**
40 * The print writer to use, instead of the response's one.
41 */
42 private PrintWriter writer;
43
44 /**
45 * Constructor.
46 *
47 * @param response The response to wrap.
48 * @param writer The print writer to use, instead of the response's one.
49 * @since 2.2.0
50 */
51 public ExternalWriterHttpServletResponse(HttpServletResponse response, PrintWriter writer) {
52 super(response);
53 this.writer = writer;
54 }
55
56 /** {@inheritDoc} */
57 @Override
58 public PrintWriter getWriter() throws IOException {
59 return writer;
60 }
61 }