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 018package org.apache.logging.log4j.core.util; 019 020/** 021 * Prefixes thread names with {@code "Log4j2-"}. 022 */ 023public class Log4jThread extends Thread { 024 025 private static final String PREFIX = "Log4j2-"; 026 027 private static int threadInitNumber; 028 029 private static synchronized int nextThreadNum() { 030 return threadInitNumber++; 031 } 032 033 private static String toThreadName(final Object name) { 034 return PREFIX + name; 035 } 036 037 public Log4jThread() { 038 super(toThreadName(nextThreadNum())); 039 } 040 041 public Log4jThread(final Runnable target) { 042 super(target, toThreadName(nextThreadNum())); 043 } 044 045 public Log4jThread(final Runnable target, final String name) { 046 super(target, toThreadName(name)); 047 } 048 049 public Log4jThread(final String name) { 050 super(toThreadName(name)); 051 } 052 053 public Log4jThread(final ThreadGroup group, final Runnable target) { 054 super(group, target, toThreadName(nextThreadNum())); 055 } 056 057 public Log4jThread(final ThreadGroup group, final Runnable target, final String name) { 058 super(group, target, toThreadName(name)); 059 } 060 061 public Log4jThread(final ThreadGroup group, final Runnable target, final String name, final long stackSize) { 062 super(group, target, toThreadName(name), stackSize); 063 } 064 065 public Log4jThread(final ThreadGroup group, final String name) { 066 super(group, toThreadName(name)); 067 } 068 069}