1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.jasper.runtime;
19
20 import java.io.IOException;
21
22 import javax.servlet.ServletConfig;
23 import javax.servlet.ServletException;
24 import javax.servlet.http.HttpServlet;
25 import javax.servlet.http.HttpServletRequest;
26 import javax.servlet.http.HttpServletResponse;
27 import javax.servlet.jsp.HttpJspPage;
28 import javax.servlet.jsp.JspFactory;
29
30 import org.apache.jasper.compiler.Localizer;
31
32 /**
33 * This is the super class of all JSP-generated servlets.
34 *
35 * @author Anil K. Vijendran
36 */
37 public abstract class HttpJspBase
38 extends HttpServlet
39 implements HttpJspPage
40
41
42 {
43
44 protected HttpJspBase() {
45 }
46
47 public final void init(ServletConfig config)
48 throws ServletException
49 {
50 super.init(config);
51 jspInit();
52 _jspInit();
53 }
54
55 public String getServletInfo() {
56 return Localizer.getMessage("jsp.engine.info");
57 }
58
59 public final void destroy() {
60 jspDestroy();
61 _jspDestroy();
62 }
63
64 /**
65 * Entry point into service.
66 */
67 public final void service(HttpServletRequest request, HttpServletResponse response)
68 throws ServletException, IOException
69 {
70 _jspService(request, response);
71 }
72
73 public void jspInit() {
74 }
75
76 public void _jspInit() {
77 }
78
79 public void jspDestroy() {
80 }
81
82 protected void _jspDestroy() {
83 }
84
85 public abstract void _jspService(HttpServletRequest request,
86 HttpServletResponse response)
87 throws ServletException, IOException;
88 }
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