| /* |
| * 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 |
| <<<<<<< Updated upstream |
| * |
| * 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 |
| ======= |
| * |
| * 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 |
| >>>>>>> Stashed changes |
| * limitations under the License. |
| */ |
| |
| package org.apache.jdo.tck.util; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * This class extends java.lang.ThreadGroup and stores any uncaught exception of threads from this |
| * ThreadGroup for later retrieval. |
| * |
| * @author Michael Bouschen |
| */ |
| public class ThreadExceptionHandler extends ThreadGroup { |
| /** |
| * Map of uncaught exceptions. The thread is the key and the uncaught Throwable is the value in |
| * the map. |
| */ |
| private final Map<Thread, Throwable> uncaughtExceptions = new HashMap<>(); |
| |
| /** Constructor. */ |
| public ThreadExceptionHandler() { |
| super("ThreadExceptionHandler"); |
| } |
| |
| /** |
| * Called by the Java Virtual Machine when a thread in this thread group stops because of an |
| * uncaught exception. This implementation stores the uncaught exception in a map for later |
| * retrieval. |
| */ |
| @Override |
| public void uncaughtException(Thread t, Throwable e) { |
| uncaughtExceptions.put(t, e); |
| } |
| |
| /** |
| * Returns an uncaught exception for the specified thread. |
| * |
| * @param t the thread |
| * @return uncaught exception for the specified thread |
| */ |
| public Throwable getUncaughtException(Thread t) { |
| return uncaughtExceptions.get(t); |
| } |
| |
| /** |
| * Returns all uncaught exceptions stored in this ThreadGroup. Each element in the returned set is |
| * a Map.Entry with the thread as the key and the uncaught Throwable is the value. |
| * |
| * @return Set of uncaught exceptions |
| */ |
| public Set<Map.Entry<Thread, Throwable>> getAllUncaughtExceptions() { |
| return uncaughtExceptions.entrySet(); |
| } |
| |
| /** Clears all exceptions in this ThreadGroup. */ |
| public void clear() { |
| uncaughtExceptions.clear(); |
| } |
| } |