| package org.apache.maven.shared.utils.cli; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.security.AccessControlException; |
| |
| /** |
| * A shutdown hook that does not throw any exceptions upon container startup/shutdown or security manager |
| * restrictions. |
| * |
| * Incorrect usage of the hook itself may still throw an exception. |
| * |
| * @author Kristian Rosenvold |
| */ |
| public class ShutdownHookUtils |
| { |
| |
| /** |
| * @param hook The thread hook. |
| */ |
| public static void addShutDownHook( Thread hook ) |
| { |
| try |
| { |
| Runtime.getRuntime().addShutdownHook( hook ); |
| } |
| catch ( IllegalStateException ignore ) |
| { |
| // ignore |
| } |
| catch ( AccessControlException ignore ) |
| { |
| // ignore |
| } |
| } |
| |
| /** |
| * @param hook The hook which should be removed. |
| */ |
| public static void removeShutdownHook( Thread hook ) |
| { |
| try |
| { |
| Runtime.getRuntime().removeShutdownHook( hook ); |
| } |
| catch ( IllegalStateException ignore ) |
| { |
| // ignore |
| } |
| catch ( AccessControlException ignore ) |
| { |
| // ignore |
| } |
| } |
| |
| } |