| CacheResponseUtil.java |
1 /**
2 * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.util.servlet.filters;
24
25 import com.liferay.util.servlet.Header;
26 import com.liferay.util.servlet.ServletResponseUtil;
27
28 import java.io.IOException;
29
30 import java.util.Iterator;
31 import java.util.List;
32 import java.util.Map;
33
34 import javax.servlet.http.HttpServletResponse;
35
36 /**
37 * <a href="CacheResponseUtil.java.html"><b><i>View Source</i></b></a>
38 *
39 * @author Alexander Chow
40 *
41 */
42 public class CacheResponseUtil {
43
44 public static void write(HttpServletResponse res, CacheResponseData data)
45 throws IOException {
46
47 Map headers = data.getHeaders();
48
49 Iterator itr = headers.keySet().iterator();
50
51 while (itr.hasNext()) {
52 String headerKey = (String)itr.next();
53
54 List headerValues = (List)headers.get(headerKey);
55
56 for (int i = 0; i < headerValues.size(); i++) {
57 Header header = (Header)headerValues.get(i);
58
59 int type = header.getType();
60
61 if (type == Header.DATE_TYPE) {
62 res.addDateHeader(headerKey, header.getDateValue());
63 }
64 else if (type == Header.INTEGER_TYPE) {
65 res.addIntHeader(headerKey, header.getIntValue());
66 }
67 else if (type == Header.STRING_TYPE) {
68 res.addHeader(headerKey, header.getStringValue());
69 }
70 }
71 }
72
73 res.setContentType(data.getContentType());
74
75 ServletResponseUtil.write(res, data.getData());
76 }
77
78 }