001/* 002 * Copyright 2002-2019 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.messaging.handler.annotation.reactive; 018 019import reactor.core.publisher.Mono; 020 021import org.springframework.core.MethodParameter; 022import org.springframework.messaging.Message; 023import org.springframework.messaging.handler.invocation.reactive.HandlerMethodArgumentResolver; 024 025/** 026 * No-op resolver for method arguments of type {@link kotlin.coroutines.Continuation}. 027 * 028 * @author Sebastien Deleuze 029 * @since 5.2 030 */ 031public class ContinuationHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver { 032 033 @Override 034 public boolean supportsParameter(MethodParameter parameter) { 035 return "kotlin.coroutines.Continuation".equals(parameter.getParameterType().getName()); 036 } 037 038 @Override 039 public Mono<Object> resolveArgument(MethodParameter parameter, Message<?> message) { 040 return Mono.empty(); 041 } 042}