001/* 002 * Copyright 2002-2014 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.method.annotation; 018 019import org.springframework.core.MethodParameter; 020import org.springframework.web.bind.support.SessionStatus; 021import org.springframework.web.bind.support.WebDataBinderFactory; 022import org.springframework.web.context.request.NativeWebRequest; 023import org.springframework.web.method.support.HandlerMethodArgumentResolver; 024import org.springframework.web.method.support.ModelAndViewContainer; 025 026/** 027 * Resolves a {@link SessionStatus} argument by obtaining it from 028 * the {@link ModelAndViewContainer}. 029 * 030 * @author Rossen Stoyanchev 031 * @since 3.1 032 */ 033public class SessionStatusMethodArgumentResolver implements HandlerMethodArgumentResolver { 034 035 @Override 036 public boolean supportsParameter(MethodParameter parameter) { 037 return SessionStatus.class == parameter.getParameterType(); 038 } 039 040 @Override 041 public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, 042 NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception { 043 044 return mavContainer.getSessionStatus(); 045 } 046 047}