org.dizitart.no2.util.ErrorAwareThreadFactory Maven / Gradle / Ivy
/*
*
* Copyright 2017-2018 Nitrite 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
*
* 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.dizitart.no2.util;
import lombok.extern.slf4j.Slf4j;
import java.util.concurrent.ThreadFactory;
/**
* A {@link ThreadFactory} implementation which creates
* {@link Thread} which is aware of any uncaught exception.
*
* @since 1.0
* @author Anindya Chatterjee.
*/
@Slf4j
public abstract class ErrorAwareThreadFactory implements ThreadFactory {
/**
* Creates a new {@link Thread}.
*
* @param runnable the runnable
* @return the thread
*/
public abstract Thread createThread(Runnable runnable);
@Override
public Thread newThread(Runnable r) {
Thread thread = createThread(r);
if (thread.getUncaughtExceptionHandler() == null) {
thread.setUncaughtExceptionHandler(getUncaughtErrorHandler());
}
return thread;
}
/**
* Gets unhandled error handler.
*
* @return the unhandled error handler
*/
protected Thread.UncaughtExceptionHandler getUncaughtErrorHandler() {
return new UncaughtErrorHandler();
}
private class UncaughtErrorHandler implements Thread.UncaughtExceptionHandler {
@Override
public void uncaughtException(Thread t, Throwable e) {
log.error("Unhandled error in " + t.getName(), e);
}
}
}