| IncludeTag.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.taglib.util;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.log.LogUtil;
28 import com.liferay.portal.kernel.servlet.StringServletResponse;
29 import com.liferay.portal.kernel.util.Validator;
30 import com.liferay.portal.model.Theme;
31 import com.liferay.portal.util.WebKeys;
32
33 import javax.servlet.RequestDispatcher;
34 import javax.servlet.ServletContext;
35 import javax.servlet.http.HttpServletRequest;
36 import javax.servlet.jsp.JspException;
37
38 /**
39 * <a href="IncludeTag.java.html"><b><i>View Source</i></b></a>
40 *
41 * @author Brian Wing Shun Chan
42 *
43 */
44 public class IncludeTag extends ParamAncestorTagImpl {
45
46 public int doEndTag() throws JspException {
47 try {
48 ServletContext ctx = getServletContext();
49 HttpServletRequest req = getServletRequest();
50 StringServletResponse res = getServletResponse();
51
52 Theme theme = (Theme)req.getAttribute(WebKeys.THEME);
53
54 String page = getPage();
55
56 if (isTheme()) {
57 ThemeUtil.include(ctx, req, res, pageContext, page, theme);
58 }
59 else {
60 RequestDispatcher rd = ctx.getRequestDispatcher(page);
61
62 rd.include(req, res);
63 }
64
65 pageContext.getOut().print(res.getString());
66
67 return EVAL_PAGE;
68 }
69 catch (Exception e) {
70 LogUtil.log(_log, e);
71
72 return EVAL_PAGE;
73 }
74 finally {
75 clearParams();
76 }
77 }
78
79 public boolean isTheme() {
80 return false;
81 }
82
83 public String getPage() {
84 if (Validator.isNull(_page)) {
85 return getDefaultPage();
86 }
87 else {
88 return _page;
89 }
90 }
91
92 public void setPage(String page) {
93 _page = page;
94 }
95
96 protected String getDefaultPage() {
97 return null;
98 }
99
100 private static Log _log = LogFactoryUtil.getLog(IncludeTag.class);
101
102 private String _page;
103
104 }