00001 /* 00002 * ==================================================================== 00003 * 00004 * The Apache Software License, Version 1.1 00005 * 00006 * Copyright (c) 1999-2001 The Apache Software Foundation. All rights 00007 * reserved. 00008 * 00009 * Redistribution and use in source and binary forms, with or without 00010 * modification, are permitted provided that the following conditions 00011 * are met: 00012 * 00013 * 1. Redistributions of source code must retain the above copyright 00014 * notice, this list of conditions and the following disclaimer. 00015 * 00016 * 2. Redistributions in binary form must reproduce the above copyright 00017 * notice, this list of conditions and the following disclaimer in 00018 * the documentation and/or other materials provided with the 00019 * distribution. 00020 * 00021 * 3. The end-user documentation included with the redistribution, if 00022 * any, must include the following acknowlegement: 00023 * "This product includes software developed by the 00024 * Apache Software Foundation (http://www.apache.org/)." 00025 * Alternately, this acknowlegement may appear in the software itself, 00026 * if and wherever such third-party acknowlegements normally appear. 00027 * 00028 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software 00029 * Foundation" must not be used to endorse or promote products derived 00030 * from this software without prior written permission. For written 00031 * permission, please contact apache@apache.org. 00032 * 00033 * 5. Products derived from this software may not be called "Apache" 00034 * nor may "Apache" appear in their names without prior written 00035 * permission of the Apache Group. 00036 * 00037 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00038 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00039 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00040 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00041 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00042 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00043 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00044 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00045 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00046 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00047 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00048 * SUCH DAMAGE. 00049 * ==================================================================== 00050 * 00051 */ 00052 00053 #ifndef HTTP_SERVLET_H 00054 #define HTTP_SERVLET_H 00055 00056 #include <string> 00057 #include "GenericServlet.h" 00058 #include "HttpServletRequest.h" 00059 #include "HttpServletResponse.h" 00060 #include "ServletRequest.h" 00061 #include "ServletResponse.h" 00062 00063 namespace servlet { 00064 00109 class HttpServlet: public GenericServlet { 00110 public: 00111 00116 HttpServlet() { } 00117 virtual ~HttpServlet() { } 00118 protected: 00187 virtual void doGet(HttpServletRequest& req, HttpServletResponse& resp); 00212 inline virtual long getLastModified(const HttpServletRequest&) { return -1; } 00248 virtual void doHead(HttpServletRequest& req, HttpServletResponse& resp); 00310 virtual void doPost(HttpServletRequest& req, HttpServletResponse& resp); 00355 virtual void doPut(HttpServletRequest& req, HttpServletResponse& resp); 00394 virtual void doDelete(HttpServletRequest& req, HttpServletResponse& resp); 00429 virtual void doOptions(HttpServletRequest& req, HttpServletResponse& resp); 00458 virtual void doTrace(HttpServletRequest& req, HttpServletResponse& resp); 00490 virtual void service(HttpServletRequest& req, HttpServletResponse& resp); 00491 private: 00492 /* 00493 * Sets the Last-Modified entity header field, if it has not 00494 * already been set and if the value is meaningful. Called before 00495 * doGet, to ensure that headers are set before response data is 00496 * written. A subclass might have set this header already, so we 00497 * check. 00498 */ 00499 virtual void maybeSetLastModified(HttpServletResponse& resp, long lastModified); 00500 public: 00529 virtual void service(ServletRequest& req, ServletResponse& res); 00530 00531 }; 00532 }//namespace 00533 00534 00535 #endif/*HTTP_SERVLET_H*/