01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package javax.servlet.jsp;
19:
20: import javax.servlet.*;
21: import javax.servlet.http.*;
22: import java.io.IOException;
23:
24: /**
25: * The HttpJspPage interface describes the interaction that a JSP Page
26: * Implementation Class must satisfy when using the HTTP protocol.
27: *
28: * <p>
29: * The behaviour is identical to that of the JspPage, except for the signature
30: * of the _jspService method, which is now expressible in the Java type
31: * system and included explicitly in the interface.
32: *
33: * @see JspPage
34: */
35:
36: public interface HttpJspPage extends JspPage {
37:
38: /** The _jspService()method corresponds to the body of the JSP page. This
39: * method is defined automatically by the JSP container and should never
40: * be defined by the JSP page author.
41: * <p>
42: * If a superclass is specified using the extends attribute, that
43: * superclass may choose to perform some actions in its service() method
44: * before or after calling the _jspService() method. See using the extends
45: * attribute in the JSP_Engine chapter of the JSP specification.
46: *
47: * @param request Provides client request information to the JSP.
48: * @param response Assists the JSP in sending a response to the client.
49: * @throws ServletException Thrown if an error occurred during the
50: * processing of the JSP and that the container should take
51: * appropriate action to clean up the request.
52: * @throws IOException Thrown if an error occurred while writing the
53: * response for this page.
54: */
55: public void _jspService(HttpServletRequest request,
56: HttpServletResponse response) throws ServletException,
57: IOException;
58: }
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