com.sun.faces.util.MojarraThreadFactory Maven / Gradle / Ivy

/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.faces.util;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

public class MojarraThreadFactory implements ThreadFactory {

    static final AtomicInteger poolNumber = new AtomicInteger(1);
    final ThreadGroup group;
    final AtomicInteger threadNumber = new AtomicInteger(1);
    final String namePrefix;

    // -------------------------------------------------------- Constructors

    public MojarraThreadFactory(String factoryName) {

        SecurityManager s = System.getSecurityManager();
        group = s != null ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
        namePrefix = "Mojarra-" + factoryName + '-' + poolNumber.getAndIncrement() + "-thread-";

    }

    // ------------------------------------------ Methods from ThreadFactory

    @Override
    public Thread newThread(Runnable r) {

        Thread t = new Thread(group, r, namePrefix + threadNumber.getAndIncrement());
        t.setDaemon(true);
        if (t.getPriority() != Thread.NORM_PRIORITY) {
            t.setPriority(Thread.NORM_PRIORITY);
        }
        return t;

    }

} // END MojarraThreadFactory