001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 // 021 // This source code implements specifications defined by the Java 022 // Community Process. In order to remain compliant with the specification 023 // DO NOT add / change / or delete method signatures! 024 // 025 026 package javax.servlet.jsp; 027 028 import javax.servlet.*; 029 import javax.servlet.http.*; 030 import java.io.IOException; 031 032 /** 033 * The HttpJspPage interface describes the interaction that a JSP Page 034 * Implementation Class must satisfy when using the HTTP protocol. 035 * 036 * <p> 037 * The behaviour is identical to that of the JspPage, except for the signature 038 * of the _jspService method, which is now expressible in the Java type 039 * system and included explicitly in the interface. 040 * 041 * @see JspPage 042 */ 043 044 public interface HttpJspPage extends JspPage { 045 046 /** The _jspService()method corresponds to the body of the JSP page. This 047 * method is defined automatically by the JSP container and should never 048 * be defined by the JSP page author. 049 * <p> 050 * If a superclass is specified using the extends attribute, that 051 * superclass may choose to perform some actions in its service() method 052 * before or after calling the _jspService() method. See using the extends 053 * attribute in the JSP_Engine chapter of the JSP specification. 054 * 055 * @param request Provides client request information to the JSP. 056 * @param response Assists the JSP in sending a response to the client. 057 * @throws ServletException Thrown if an error occurred during the 058 * processing of the JSP and that the container should take 059 * appropriate action to clean up the request. 060 * @throws IOException Thrown if an error occurred while writing the 061 * response for this page. 062 */ 063 public void _jspService(HttpServletRequest request, 064 HttpServletResponse response) 065 throws ServletException, IOException; 066 }