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Java > Open Source Codes > com > caucho > jsp > JavaPage


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.jsp;
31
32 import com.caucho.vfs.PersistentDependency;
33
34 import javax.servlet.ServletConfig JavaDoc;
35 import javax.servlet.ServletException JavaDoc;
36 import javax.servlet.ServletRequest JavaDoc;
37 import javax.servlet.ServletResponse JavaDoc;
38 import javax.servlet.http.HttpServletRequest JavaDoc;
39 import javax.servlet.http.HttpServletResponse JavaDoc;
40 import javax.servlet.jsp.HttpJspPage JavaDoc;
41 import java.io.IOException JavaDoc;
42 import java.util.ArrayList JavaDoc;
43
44 public abstract class JavaPage extends Page implements HttpJspPage JavaDoc
45 {
46   public void init(ServletConfig JavaDoc config)
47     throws ServletException JavaDoc
48   {
49     super.init(config);
50
51     jspInit();
52   }
53
54   public void jspInit()
55   {
56   }
57
58   public void service(ServletRequest JavaDoc request, ServletResponse JavaDoc response)
59     throws ServletException JavaDoc, IOException JavaDoc
60   {
61     _jspService((HttpServletRequest JavaDoc) request,
62                 (HttpServletResponse JavaDoc) response);
63   }
64
65   abstract public void _jspService(HttpServletRequest JavaDoc request,
66                    HttpServletResponse JavaDoc response)
67     throws ServletException JavaDoc, IOException JavaDoc;
68
69   public String JavaDoc getServletInfo()
70   {
71     return "A Java JSP page";
72   }
73
74   /**
75    * Static method to avoid compilation issues.
76    */
77   public static void addDepend(ArrayList JavaDoc list, PersistentDependency depend)
78   {
79     ArrayList JavaDoc<PersistentDependency> pList;
80     pList = (ArrayList JavaDoc<PersistentDependency>) list;
81
82     pList.add(depend);
83   }
84
85   public void destroy()
86   {
87     if (isDead()) {
88       return;
89     }
90
91     try {
92       jspDestroy();
93     } catch (Throwable JavaDoc e) {
94     }
95
96     super.destroy();
97   }
98
99   public void jspDestroy()
100   {
101   }
102 }
103
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