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 }