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.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 servletContext, HttpServletRequest request,
48              HttpServletResponse response)
49          throws IOException, ServletException {
50  
51          doTag(
52              _PAGE, portletName, queryString, width, servletContext, request,
53              response);
54      }
55  
56      public static void doTag(
57              String page, String portletName, String queryString, String width,
58              ServletContext servletContext, HttpServletRequest request,
59              HttpServletResponse response)
60          throws IOException, ServletException {
61  
62          request.setAttribute(
63              "liferay-portlet:preview:portletName", portletName);
64          request.setAttribute(
65              "liferay-portlet:preview:queryString", queryString);
66          request.setAttribute("liferay-portlet:preview:width", width);
67  
68          RequestDispatcher requestDispatcher =
69              servletContext.getRequestDispatcher(page);
70  
71          requestDispatcher.include(request, response);
72      }
73  
74      public int doEndTag() throws JspException {
75          try {
76              ServletContext servletContext = getServletContext();
77              HttpServletRequest request = getServletRequest();
78              StringServletResponse response = getServletResponse();
79  
80              doTag(
81                  getPage(), _portletName, _queryString, _width, servletContext,
82                  request, response);
83  
84              pageContext.getOut().print(response.getString());
85  
86              return EVAL_PAGE;
87          }
88          catch (Exception e) {
89              throw new JspException(e);
90          }
91      }
92  
93      public void setPortletName(String portletName) {
94          _portletName = portletName;
95      }
96  
97      public void setQueryString(String queryString) {
98          _queryString = queryString;
99      }
100 
101     public void setWidth(String width) {
102         _width = width;
103     }
104 
105     protected String getDefaultPage() {
106         return _PAGE;
107     }
108 
109     private static final String _PAGE = "/html/taglib/portlet/preview/page.jsp";
110 
111     private String _portletName;
112     private String _queryString;
113     private String _width;
114 
115 }