| DoAsURLTagUtil.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.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.theme.ThemeDisplay;
29 import com.liferay.portal.util.PropsValues;
30 import com.liferay.portal.util.WebKeys;
31 import com.liferay.util.Encryptor;
32
33 import javax.servlet.http.HttpServletRequest;
34 import javax.servlet.jsp.JspException;
35 import javax.servlet.jsp.PageContext;
36 import javax.servlet.jsp.tagext.TagSupport;
37
38 /**
39 * <a href="DoAsURLTagUtil.java.html"><b><i>View Source</i></b></a>
40 *
41 * @author Brian Wing Shun Chan
42 */
43 public class DoAsURLTagUtil extends TagSupport {
44
45 public static String doEndTag(
46 long doAsUserId, String var, boolean writeOutput,
47 PageContext pageContext)
48 throws JspException {
49
50 try {
51 HttpServletRequest request =
52 (HttpServletRequest)pageContext.getRequest();
53
54 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
55 WebKeys.THEME_DISPLAY);
56
57 Company company = themeDisplay.getCompany();
58
59 String doAsURL = company.getHomeURL();
60
61 if (Validator.isNull(doAsURL)) {
62 doAsURL = PropsValues.COMPANY_DEFAULT_HOME_URL;
63 }
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 }