org.apache.jasper.runtime.HttpJspBase Maven / Gradle / Ivy
/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jasper.runtime;
import java.io.IOException;
import java.util.List;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import org.apache.jasper.Constants;
/**
* This is the subclass of all JSP-generated servlets.
*
* @author Anil K. Vijendran
*/
public abstract class HttpJspBase
extends HttpServlet
implements HttpJspPage
{
protected PageContext pageContext;
static {
if( JspFactory.getDefaultFactory() == null ) {
JspFactoryImpl factory = new JspFactoryImpl();
if( System.getSecurityManager() != null ) {
String basePackage = "org.apache.jasper.";
try {
factory.getClass().getClassLoader().loadClass( basePackage +
"runtime.JspFactoryImpl$PrivilegedGetPageContext");
factory.getClass().getClassLoader().loadClass( basePackage +
"runtime.JspFactoryImpl$PrivilegedReleasePageContext");
factory.getClass().getClassLoader().loadClass( basePackage +
"runtime.JspRuntimeLibrary");
factory.getClass().getClassLoader().loadClass( basePackage +
"runtime.JspRuntimeLibrary$PrivilegedIntrospectHelper");
factory.getClass().getClassLoader().loadClass( basePackage +
"runtime.ServletResponseWrapperInclude");
factory.getClass().getClassLoader().loadClass( basePackage +
"servlet.JspServletWrapper");
} catch (ClassNotFoundException ex) {
System.out.println(
"Jasper JspRuntimeContext preload of class failed: " +
ex.getMessage());
}
}
JspFactory.setDefaultFactory(factory);
}
}
protected HttpJspBase() {
}
public final void init(ServletConfig config)
throws ServletException
{
super.init(config);
jspInit();
}
public String getServletInfo() {
return Constants.getString ("jsp.engine.info");
}
public final void destroy() {
jspDestroy();
_jspDestroy();
}
/**
* Entry point into service.
*/
public final void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
_jspService(request, response);
}
public void jspInit() {
}
public void jspDestroy() {
}
protected void _jspDestroy() {
}
/**
* Get the list of compile time included files used
* by the JSP file.
*
* Overridden by generated JSP java source files.
*
* @return List compile time includes
*/
public abstract List getIncludes();
public abstract void _jspService(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException;
}