| CacheResponseUtil.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 public class CacheResponseUtil {
41
42 public static void addHeaders(
43 HttpServletResponse response, Map<String, List<Header>> headers) {
44
45 for (Map.Entry<String, List<Header>> entry : headers.entrySet()) {
46 String headerKey = entry.getKey();
47 List<Header> headerValues = entry.getValue();
48
49 for (Header header : headerValues) {
50 int type = header.getType();
51
52 if (type == Header.DATE_TYPE) {
53 response.addDateHeader(headerKey, header.getDateValue());
54 }
55 else if (type == Header.INTEGER_TYPE) {
56 response.addIntHeader(headerKey, header.getIntValue());
57 }
58 else if (type == Header.STRING_TYPE) {
59 response.addHeader(headerKey, header.getStringValue());
60 }
61 }
62 }
63 }
64
65 public static void write(
66 HttpServletResponse response, CacheResponseData cacheResponseData)
67 throws IOException {
68
69 addHeaders(response, cacheResponseData.getHeaders());
70
71 response.setContentType(cacheResponseData.getContentType());
72
73 ServletResponseUtil.write(response, cacheResponseData.getData());
74 }
75
76 }