| DoAsURLTagUtil.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.portal.servlet.taglib.security;
24
25 import com.liferay.portal.kernel.util.HttpUtil;
26 import com.liferay.portal.kernel.util.Validator;
27 import com.liferay.portal.model.Company;
28 import com.liferay.portal.model.Layout;
29 import com.liferay.portal.theme.ThemeDisplay;
30 import com.liferay.portal.util.PortalUtil;
31 import com.liferay.portal.util.WebKeys;
32 import com.liferay.util.Encryptor;
33
34 import javax.servlet.http.HttpServletRequest;
35 import javax.servlet.jsp.JspException;
36 import javax.servlet.jsp.PageContext;
37 import javax.servlet.jsp.tagext.TagSupport;
38
39 /**
40 * <a href="DoAsURLTagUtil.java.html"><b><i>View Source</i></b></a>
41 *
42 * @author Brian Wing Shun Chan
43 *
44 */
45 public class DoAsURLTagUtil extends TagSupport {
46
47 public static String doEndTag(
48 long doAsUserId, String var, boolean writeOutput,
49 PageContext pageContext)
50 throws JspException {
51
52 try {
53 HttpServletRequest request =
54 (HttpServletRequest)pageContext.getRequest();
55
56 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
57 WebKeys.THEME_DISPLAY);
58
59 Company company = themeDisplay.getCompany();
60 Layout layout = themeDisplay.getLayout();
61
62 String doAsURL = PortalUtil.getLayoutURL(
63 layout, themeDisplay, false);
64
65 if (doAsUserId <= 0) {
66 doAsUserId = company.getDefaultUser().getUserId();
67 }
68
69 String encDoAsUserId = Encryptor.encrypt(
70 company.getKeyObj(), String.valueOf(doAsUserId));
71
72 doAsURL = HttpUtil.addParameter(
73 doAsURL, "doAsUserId", encDoAsUserId);
74
75 if (Validator.isNotNull(var)) {
76 pageContext.setAttribute(var, doAsURL);
77 }
78 else if (writeOutput) {
79 pageContext.getOut().print(doAsURL);
80 }
81
82 return doAsURL;
83 }
84 catch (Exception e) {
85 throw new JspException(e);
86 }
87 }
88
89 }