001/* 002 * Copyright 2002-2015 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.web.context.request.async; 018 019import javax.servlet.http.HttpServletRequest; 020import javax.servlet.http.HttpServletResponse; 021 022import org.springframework.web.context.request.ServletWebRequest; 023 024/** 025 * An {@code AsyncWebRequest} to use when there is no underlying async support. 026 * 027 * @author Rossen Stoyanchev 028 * @since 3.2 029 */ 030public class NoSupportAsyncWebRequest extends ServletWebRequest implements AsyncWebRequest { 031 032 public NoSupportAsyncWebRequest(HttpServletRequest request, HttpServletResponse response) { 033 super(request, response); 034 } 035 036 037 @Override 038 public void addCompletionHandler(Runnable runnable) { 039 // ignored 040 } 041 042 @Override 043 public void setTimeout(Long timeout) { 044 // ignored 045 } 046 047 @Override 048 public void addTimeoutHandler(Runnable runnable) { 049 // ignored 050 } 051 052 @Override 053 public boolean isAsyncStarted() { 054 return false; 055 } 056 057 058 // Not supported 059 060 @Override 061 public void startAsync() { 062 throw new UnsupportedOperationException("No async support in a pre-Servlet 3.0 runtime"); 063 } 064 065 @Override 066 public boolean isAsyncComplete() { 067 throw new UnsupportedOperationException("No async support in a pre-Servlet 3.0 runtime"); 068 } 069 070 @Override 071 public void dispatch() { 072 throw new UnsupportedOperationException("No async support in a pre-Servlet 3.0 runtime"); 073 } 074 075}