001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package javax.servlet.jsp; 019 020 import javax.servlet.*; 021 import javax.servlet.http.*; 022 import java.io.IOException; 023 024 /** 025 * The HttpJspPage interface describes the interaction that a JSP Page 026 * Implementation Class must satisfy when using the HTTP protocol. 027 * 028 * <p> 029 * The behaviour is identical to that of the JspPage, except for the signature 030 * of the _jspService method, which is now expressible in the Java type 031 * system and included explicitly in the interface. 032 * 033 * @see JspPage 034 */ 035 036 public interface HttpJspPage extends JspPage { 037 038 /** The _jspService()method corresponds to the body of the JSP page. This 039 * method is defined automatically by the JSP container and should never 040 * be defined by the JSP page author. 041 * <p> 042 * If a superclass is specified using the extends attribute, that 043 * superclass may choose to perform some actions in its service() method 044 * before or after calling the _jspService() method. See using the extends 045 * attribute in the JSP_Engine chapter of the JSP specification. 046 * 047 * @param request Provides client request information to the JSP. 048 * @param response Assists the JSP in sending a response to the client. 049 * @throws ServletException Thrown if an error occurred during the 050 * processing of the JSP and that the container should take 051 * appropriate action to clean up the request. 052 * @throws IOException Thrown if an error occurred while writing the 053 * response for this page. 054 */ 055 public void _jspService(HttpServletRequest request, 056 HttpServletResponse response) 057 throws ServletException, IOException; 058 }