| CacheResponseUtil.java |
1 /**
2 * Copyright (c) 2000-2009 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.List;
31 import java.util.Map;
32
33 import javax.servlet.http.HttpServletResponse;
34
35 /**
36 * <a href="CacheResponseUtil.java.html"><b><i>View Source</i></b></a>
37 *
38 * @author Alexander Chow
39 *
40 */
41 public class CacheResponseUtil {
42
43 public static void addHeaders(
44 HttpServletResponse response, Map<String, List<Header>> headers) {
45
46 for (Map.Entry<String, List<Header>> entry : headers.entrySet()) {
47 String headerKey = entry.getKey();
48 List<Header> headerValues = entry.getValue();
49
50 for (Header header : headerValues) {
51 int type = header.getType();
52
53 if (type == Header.DATE_TYPE) {
54 response.addDateHeader(headerKey, header.getDateValue());
55 }
56 else if (type == Header.INTEGER_TYPE) {
57 response.addIntHeader(headerKey, header.getIntValue());
58 }
59 else if (type == Header.STRING_TYPE) {
60 response.addHeader(headerKey, header.getStringValue());
61 }
62 }
63 }
64 }
65
66 public static void write(
67 HttpServletResponse response, CacheResponseData cacheResponseData)
68 throws IOException {
69
70 addHeaders(response, cacheResponseData.getHeaders());
71
72 response.setContentType(cacheResponseData.getContentType());
73
74 ServletResponseUtil.write(response, cacheResponseData.getData());
75 }
76
77 }