001: /*
002: * The Apache Software License, Version 1.1
003: *
004: * Copyright (c) 1999 The Apache Software Foundation. All rights
005: * reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution, if
020: * any, must include the following acknowlegement:
021: * "This product includes software developed by the
022: * Apache Software Foundation (http://www.apache.org/)."
023: * Alternately, this acknowlegement may appear in the software itself,
024: * if and wherever such third-party acknowlegements normally appear.
025: *
026: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
027: * Foundation" must not be used to endorse or promote products derived
028: * from this software without prior written permission. For written
029: * permission, please contact apache@apache.org.
030: *
031: * 5. Products derived from this software may not be called "Apache"
032: * nor may "Apache" appear in their names without prior written
033: * permission of the Apache Group.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: *
049: * This software consists of voluntary contributions made by many
050: * individuals on behalf of the Apache Software Foundation. For more
051: * information on the Apache Software Foundation, please see
052: * <http://www.apache.org/>.
053: *
054: */
055:
056: package com.sun.portal.providers.jsp.jasper3.jasper.runtime;
057:
058: import java.io.IOException;
059: import java.io.FileInputStream;
060: import java.io.InputStreamReader;
061:
062: import java.net.URL;
063: import java.net.MalformedURLException;
064:
065: import javax.servlet.*;
066: import javax.servlet.http.*;
067: import javax.servlet.jsp.*;
068:
069: import com.sun.portal.providers.jsp.jasper3.jasper.JasperException;
070: import com.sun.portal.providers.jsp.jasper3.jasper.Constants;
071:
072: /**
073: * This is the subclass of all JSP-generated servlets.
074: *
075: * @author Anil K. Vijendran
076: */
077: public abstract class HttpJspBase extends HttpServlet implements
078: HttpJspPage {
079: private ClassLoader cl;
080:
081: protected PageContext pageContext;
082:
083: protected HttpJspBase() {
084: }
085:
086: public final void init(ServletConfig config)
087: throws ServletException {
088: super .init(config);
089: jspInit();
090: }
091:
092: public String getServletInfo() {
093: return Constants.getString("jsp.engine.info");
094: }
095:
096: public final void destroy() {
097: jspDestroy();
098: }
099:
100: public final void setClassLoader(ClassLoader cl) {
101: this .cl = cl;
102: }
103:
104: protected ClassLoader getClassLoader() {
105: if (cl == null)
106: return this .getClass().getClassLoader();
107: return cl;
108: }
109:
110: /**
111: * Entry point into service.
112: */
113: public final void service(HttpServletRequest request,
114: HttpServletResponse response) throws ServletException,
115: IOException {
116: _jspService(request, response);
117: }
118:
119: public void jspInit() {
120: }
121:
122: public void jspDestroy() {
123: }
124:
125: public abstract void _jspService(HttpServletRequest request,
126: HttpServletResponse response) throws ServletException,
127: IOException;
128: }
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