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Glassfish example source code file (RequestDispatcher.java)
The Glassfish RequestDispatcher.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. * * * This file incorporates work covered by the following copyright and * permission notice: * * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package javax.servlet; import java.io.IOException; /** * Defines an object that receives requests from the client * and sends them to any resource (such as a servlet, * HTML file, or JSP file) on the server. The servlet * container creates the <code>RequestDispatcher object, * which is used as a wrapper around a server resource located * at a particular path or given by a particular name. * * <p>This interface is intended to wrap servlets, * but a servlet container can create <code>RequestDispatcher * objects to wrap any type of resource. * * @author Various * * @see ServletContext#getRequestDispatcher(java.lang.String) * @see ServletContext#getNamedDispatcher(java.lang.String) * @see ServletRequest#getRequestDispatcher(java.lang.String) */ public interface RequestDispatcher { /** * The name of the request attribute under which the original * request URI is made available to the target of a * {@link #forward(ServletRequest,ServletResponse) forward} */ static final String FORWARD_REQUEST_URI = "javax.servlet.forward.request_uri"; /** * The name of the request attribute under which the original * context path is made available to the target of a * {@link #forward(ServletRequest,ServletResponse) forward} */ static final String FORWARD_CONTEXT_PATH = "javax.servlet.forward.context_path"; /** * The name of the request attribute under which the original * path info is made available to the target of a * {@link #forward(ServletRequest,ServletResponse) forward} */ static final String FORWARD_PATH_INFO = "javax.servlet.forward.path_info"; /** * The name of the request attribute under which the original * servlet path is made available to the target of a * {@link #forward(ServletRequest,ServletResponse) forward} */ static final String FORWARD_SERVLET_PATH = "javax.servlet.forward.servlet_path"; /** * The name of the request attribute under which the original * query string is made available to the target of a * {@link #forward(ServletRequest,ServletResponse) forward} */ static final String FORWARD_QUERY_STRING = "javax.servlet.forward.query_string"; /** * The name of the request attribute under which the request URI * of the target of an {@link #include(ServletRequest,ServletResponse) * include} is stored */ static final String INCLUDE_REQUEST_URI = "javax.servlet.include.request_uri"; /** * The name of the request attribute under which the context path * of the target of an {@link #include(ServletRequest,ServletResponse) * include} is stored */ static final String INCLUDE_CONTEXT_PATH = "javax.servlet.include.context_path"; /** * The name of the request attribute under which the path info * of the target of an {@link #include(ServletRequest,ServletResponse) * include} is stored */ static final String INCLUDE_PATH_INFO = "javax.servlet.include.path_info"; /** * The name of the request attribute under which the servlet path * of the target of an {@link #include(ServletRequest,ServletResponse) * include} is stored */ static final String INCLUDE_SERVLET_PATH = "javax.servlet.include.servlet_path"; /** * The name of the request attribute under which the query string * of the target of an {@link #include(ServletRequest,ServletResponse) * include} is stored */ static final String INCLUDE_QUERY_STRING = "javax.servlet.include.query_string"; /** * The name of the request attribute under which the exception object * is propagated during an error dispatch */ public static final String ERROR_EXCEPTION = "javax.servlet.error.exception"; /** * The name of the request attribute under which the type of the * exception object is propagated during an error dispatch */ public static final String ERROR_EXCEPTION_TYPE = "javax.servlet.error.exception_type"; /** * The name of the request attribute under which the exception message * is propagated during an error dispatch */ public static final String ERROR_MESSAGE = "javax.servlet.error.message"; /** * The name of the request attribute under which the request URI * whose processing caused the error is propagated during an error * dispatch */ public static final String ERROR_REQUEST_URI = "javax.servlet.error.request_uri"; /** * The name of the request attribute under which the name of the servlet * in which the error occurred is propagated during an error dispatch */ public static final String ERROR_SERVLET_NAME = "javax.servlet.error.servlet_name"; /** * The name of the request attribute under which the response status * is propagated during an error dispatch */ public static final String ERROR_STATUS_CODE = "javax.servlet.error.status_code"; /** * Forwards a request from * a servlet to another resource (servlet, JSP file, or * HTML file) on the server. This method allows * one servlet to do preliminary processing of * a request and another resource to generate * the response. * * <p>For a Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish RequestDispatcher.java source code file: |
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