CacheResponseUtil.java |
1 /** 2 * Copyright (c) 2000-2008 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 write(HttpServletResponse res, CacheResponseData data) 44 throws IOException { 45 46 Map<String, List<Header>> headers = data.getHeaders(); 47 48 for (Map.Entry<String, List<Header>> entry : headers.entrySet()) { 49 String headerKey = entry.getKey(); 50 List<Header> headerValues = entry.getValue(); 51 52 for (int i = 0; i < headerValues.size(); i++) { 53 Header header = (Header)headerValues.get(i); 54 55 int type = header.getType(); 56 57 if (type == Header.DATE_TYPE) { 58 res.addDateHeader(headerKey, header.getDateValue()); 59 } 60 else if (type == Header.INTEGER_TYPE) { 61 res.addIntHeader(headerKey, header.getIntValue()); 62 } 63 else if (type == Header.STRING_TYPE) { 64 res.addHeader(headerKey, header.getStringValue()); 65 } 66 } 67 } 68 69 res.setContentType(data.getContentType()); 70 71 ServletResponseUtil.write(res, data.getData()); 72 } 73 74 }