001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.monitoring.util;
018    
019    import java.util.concurrent.ThreadFactory;
020    import java.util.concurrent.atomic.AtomicInteger;
021    
022    public final class DaemonThreadFactory implements ThreadFactory {
023        private final AtomicInteger id = new AtomicInteger(1);
024        private final String baseName;
025    
026        public DaemonThreadFactory(final String baseName) {
027            this.baseName = baseName;
028        }
029    
030        @Override
031        public Thread newThread(final Runnable r) {
032            final Thread thread = new Thread(Thread.currentThread().getThreadGroup(), r, baseName + id.getAndIncrement());
033            if (!thread.isDaemon()) {
034                thread.setDaemon(true);
035            }
036            if (thread.getPriority() != Thread.NORM_PRIORITY) {
037                thread.setPriority(Thread.NORM_PRIORITY);
038            }
039            return thread;
040        }
041    }