001 /** 002 * 003 * Copyright 2003-2004 The Apache Software Foundation 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 // 019 // This source code implements specifications defined by the Java 020 // Community Process. In order to remain compliant with the specification 021 // DO NOT add / change / or delete method signatures! 022 // 023 024 package javax.servlet.jsp; 025 026 import javax.servlet.*; 027 import javax.servlet.http.*; 028 import java.io.IOException; 029 030 /** 031 * The HttpJspPage interface describes the interaction that a JSP Page 032 * Implementation Class must satisfy when using the HTTP protocol. 033 * 034 * <p> 035 * The behaviour is identical to that of the JspPage, except for the signature 036 * of the _jspService method, which is now expressible in the Java type 037 * system and included explicitly in the interface. 038 * 039 * @see JspPage 040 */ 041 042 public interface HttpJspPage extends JspPage { 043 044 /** The _jspService()method corresponds to the body of the JSP page. This 045 * method is defined automatically by the JSP container and should never 046 * be defined by the JSP page author. 047 * <p> 048 * If a superclass is specified using the extends attribute, that 049 * superclass may choose to perform some actions in its service() method 050 * before or after calling the _jspService() method. See using the extends 051 * attribute in the JSP_Engine chapter of the JSP specification. 052 * 053 * @param request Provides client request information to the JSP. 054 * @param response Assists the JSP in sending a response to the client. 055 * @throws ServletException Thrown if an error occurred during the 056 * processing of the JSP and that the container should take 057 * appropriate action to clean up the request. 058 * @throws IOException Thrown if an error occurred while writing the 059 * response for this page. 060 */ 061 public void _jspService(HttpServletRequest request, 062 HttpServletResponse response) 063 throws ServletException, IOException; 064 }