| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * http://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.apache.kafka.common.utils; |
| |
| /** |
| * Internal class that should be used instead of `Exit.exit()` and `Runtime.getRuntime().halt()` so that tests can |
| * easily change the behaviour. |
| */ |
| public class Exit { |
| |
| public interface Procedure { |
| void execute(int statusCode, String message); |
| } |
| |
| private static final Procedure DEFAULT_HALT_PROCEDURE = new Procedure() { |
| @Override |
| public void execute(int statusCode, String message) { |
| Runtime.getRuntime().halt(statusCode); |
| } |
| }; |
| |
| private static final Procedure DEFAULT_EXIT_PROCEDURE = new Procedure() { |
| @Override |
| public void execute(int statusCode, String message) { |
| System.exit(statusCode); |
| } |
| }; |
| |
| private volatile static Procedure exitProcedure = DEFAULT_EXIT_PROCEDURE; |
| private volatile static Procedure haltProcedure = DEFAULT_HALT_PROCEDURE; |
| |
| public static void exit(int statusCode) { |
| exit(statusCode, null); |
| } |
| |
| public static void exit(int statusCode, String message) { |
| exitProcedure.execute(statusCode, message); |
| } |
| |
| public static void halt(int statusCode) { |
| halt(statusCode, null); |
| } |
| |
| public static void halt(int statusCode, String message) { |
| haltProcedure.execute(statusCode, message); |
| } |
| |
| public static void setExitProcedure(Procedure procedure) { |
| exitProcedure = procedure; |
| } |
| |
| public static void setHaltProcedure(Procedure procedure) { |
| haltProcedure = procedure; |
| } |
| |
| public static void resetExitProcedure() { |
| exitProcedure = DEFAULT_EXIT_PROCEDURE; |
| } |
| |
| public static void resetHaltProcedure() { |
| haltProcedure = DEFAULT_HALT_PROCEDURE; |
| } |
| |
| } |