Java tutorial
/* * Copyright 2002-2016 the original author or authors. * * 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 * * https://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 org.springframework.web.server; import reactor.core.publisher.Mono; /** * Contract for handling exceptions during web server exchange processing. * * @author Rossen Stoyanchev * @since 5.0 */ public interface WebExceptionHandler { /** * Handle the given exception. A completion signal through the return value * indicates error handling is complete while an error signal indicates the * exception is still not handled. * @param exchange the current exchange * @param ex the exception to handle * @return {@code Mono<Void>} to indicate when exception handling is complete */ Mono<Void> handle(ServerWebExchange exchange, Throwable ex); }