一个标准的java线程工厂

import java.util.concurrent.ThreadFactory;import java.util.concurrent.atomic.AtomicInteger;public class WorkerThreadFactory implements ThreadFactory {private static final AtomicInteger poolNumber = new AtomicInteger(1);private final ThreadGroup group;private final AtomicInteger threadNumber = new AtomicInteger(1);private final String namePrefix;public WorkerThreadFactory(ThreadGroup group, String prefix) {if (group == null) {SecurityManager s = System.getSecurityManager();this.group = s != null ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();} else {this.group = group;}if (prefix == null) {this.namePrefix = "pool-" + poolNumber.getAndIncrement()+ "-thread-";} else {this.namePrefix = prefix + "-" + poolNumber.getAndIncrement()+ "-thread-";}}public WorkerThreadFactory(String prefix){    this(null,prefix);}public WorkerThreadFactory() {this(null,null);}public Thread newThread(Runnable r) {Thread t = new Thread(this.group, r, this.namePrefix+ this.threadNumber.getAndIncrement(), 0);if (t.isDaemon()) {t.setDaemon(false);}if (t.getPriority() != Thread.NORM_PRIORITY) {t.setPriority(Thread.NORM_PRIORITY);}return t;}}