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.portletext;
24  
25  import com.liferay.portal.kernel.servlet.StringServletResponse;
26  import com.liferay.taglib.util.IncludeTag;
27  
28  import java.io.IOException;
29  
30  import javax.servlet.RequestDispatcher;
31  import javax.servlet.ServletContext;
32  import javax.servlet.ServletException;
33  import javax.servlet.http.HttpServletRequest;
34  import javax.servlet.http.HttpServletResponse;
35  import javax.servlet.jsp.JspException;
36  
37  /**
38   * <a href="PreviewTag.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   *
42   */
43  public class PreviewTag extends IncludeTag {
44  
45      public static void doTag(
46              String portletName, String queryString, String width,
47              ServletContext ctx, HttpServletRequest req, HttpServletResponse res)
48          throws IOException, ServletException {
49  
50          doTag(_PAGE, portletName, queryString, width, ctx, req, res);
51      }
52  
53      public static void doTag(
54              String page, String portletName, String queryString, String width,
55              ServletContext ctx, HttpServletRequest req, HttpServletResponse res)
56          throws IOException, ServletException {
57  
58          req.setAttribute("liferay-portlet:preview:portletName", portletName);
59          req.setAttribute("liferay-portlet:preview:queryString", queryString);
60          req.setAttribute("liferay-portlet:preview:width", width);
61  
62          RequestDispatcher rd = ctx.getRequestDispatcher(page);
63  
64          rd.include(req, res);
65      }
66  
67      public int doEndTag() throws JspException {
68          try {
69              ServletContext ctx = getServletContext();
70              HttpServletRequest req = getServletRequest();
71              StringServletResponse res = getServletResponse();
72  
73              doTag(_portletName, _queryString, _width, ctx, req, res);
74  
75              pageContext.getOut().print(res.getString());
76  
77              return EVAL_PAGE;
78          }
79          catch (Exception e) {
80              throw new JspException(e);
81          }
82      }
83  
84      public void setPortletName(String portletName) {
85          _portletName = portletName;
86      }
87  
88      public void setQueryString(String queryString) {
89          _queryString = queryString;
90      }
91  
92      public void setWidth(String width) {
93          _width = width;
94      }
95  
96      protected String getDefaultPage() {
97          return _PAGE;
98      }
99  
100     private static final String _PAGE = "/html/taglib/portlet/preview/page.jsp";
101 
102     private String _portletName;
103     private String _queryString;
104     private String _width;
105 
106 }