1   /**
2    * Copyright (c) 2000-2006 Liferay, LLC. 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.model.Theme;
26  import com.liferay.portal.util.WebKeys;
27  import com.liferay.util.LogUtil;
28  import com.liferay.util.Validator;
29  import com.liferay.util.servlet.StringServletResponse;
30  
31  import javax.servlet.RequestDispatcher;
32  import javax.servlet.ServletContext;
33  import javax.servlet.http.HttpServletRequest;
34  import javax.servlet.jsp.JspException;
35  
36  import org.apache.commons.logging.Log;
37  import org.apache.commons.logging.LogFactory;
38  
39  /**
40   * <a href="IncludeTag.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author  Brian Wing Shun Chan
43   *
44   */
45  public class IncludeTag extends ParamAncestorTagImpl {
46  
47      public int doEndTag() throws JspException {
48          try {
49              ServletContext ctx = getServletContext();
50              HttpServletRequest req = getServletRequest();
51              StringServletResponse res = getServletResponse();
52  
53              Theme theme = (Theme)req.getAttribute(WebKeys.THEME);
54  
55              String page = getPage();
56  
57              if (isTheme()) {
58                  ThemeUtil.include(ctx, req, res, pageContext, page, theme);
59              }
60              else {
61                  RequestDispatcher rd = ctx.getRequestDispatcher(page);
62  
63                  rd.include(req, res);
64              }
65  
66              pageContext.getOut().print(res.getString());
67  
68              return EVAL_PAGE;
69          }
70          catch (Exception e) {
71              LogUtil.log(_log, e);
72  
73              return EVAL_PAGE;
74          }
75          finally {
76              clearParams();
77          }
78      }
79  
80      public boolean isTheme() {
81          return false;
82      }
83  
84      public String getPage() {
85          if (Validator.isNull(_page)) {
86              return getDefaultPage();
87          }
88          else {
89              return _page;
90          }
91      }
92  
93      public void setPage(String page) {
94          _page = page;
95      }
96  
97      protected String getDefaultPage() {
98          return null;
99      }
100 
101     private static Log _log = LogFactory.getLog(IncludeTag.class);
102 
103     private String _page;
104 
105 }