001/* 002 * Copyright 2012-2017 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 * http://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.boot; 018 019/** 020 * Strategy interface that can be used to provide a mapping between exceptions and exit 021 * codes. 022 * 023 * @author Phillip Webb 024 * @since 1.3.2 025 */ 026@FunctionalInterface 027public interface ExitCodeExceptionMapper { 028 029 /** 030 * Returns the exit code that should be returned from the application. 031 * @param exception the exception causing the application to exit 032 * @return the exit code or {@code 0}. 033 */ 034 int getExitCode(Throwable exception); 035 036}