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1
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
37 public abstract class HttpJspBase
38 extends HttpServlet
39 implements HttpJspPage
40
41
42 {
43
44 static {
45 if( JspFactory.getDefaultFactory() == null ) {
46 JspFactoryImpl factory = new JspFactoryImpl();
47 if( System.getSecurityManager() != null ) {
48 String basePackage = "org.apache.jasper.";
49 try {
50 factory.getClass().getClassLoader().loadClass( basePackage +
51 "runtime.JspFactoryImpl$PrivilegedGetPageContext");
52 factory.getClass().getClassLoader().loadClass( basePackage +
53 "runtime.JspFactoryImpl$PrivilegedReleasePageContext");
54 factory.getClass().getClassLoader().loadClass( basePackage +
55 "runtime.JspRuntimeLibrary");
56 factory.getClass().getClassLoader().loadClass( basePackage +
57 "runtime.JspRuntimeLibrary$PrivilegedIntrospectHelper");
58 factory.getClass().getClassLoader().loadClass( basePackage +
59 "runtime.ServletResponseWrapperInclude");
60 factory.getClass().getClassLoader().loadClass( basePackage +
61 "servlet.JspServletWrapper");
62 } catch (ClassNotFoundException ex) {
63 org.apache.commons.logging.LogFactory.getLog( HttpJspBase.class )
64 .error("Jasper JspRuntimeContext preload of class failed: " +
65 ex.getMessage(), ex);
66 }
67 }
68 JspFactory.setDefaultFactory(factory);
69 }
70 }
71
72 protected HttpJspBase() {
73 }
74
75 public final void init(ServletConfig config)
76 throws ServletException
77 {
78 super.init(config);
79 jspInit();
80 _jspInit();
81 }
82
83 public String getServletInfo() {
84 return Localizer.getMessage("jsp.engine.info");
85 }
86
87 public final void destroy() {
88 jspDestroy();
89 _jspDestroy();
90 }
91
92
95 public final void service(HttpServletRequest request, HttpServletResponse response)
96 throws ServletException , IOException
97 {
98 _jspService(request, response);
99 }
100
101 public void jspInit() {
102 }
103
104 public void _jspInit() {
105 }
106
107 public void jspDestroy() {
108 }
109
110 protected void _jspDestroy() {
111 }
112
113 public abstract void _jspService(HttpServletRequest request,
114 HttpServletResponse response)
115 throws ServletException , IOException ;
116 }
117 |
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