| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.logging.log4j.util; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.reflect.Method; |
| |
| /** |
| * @Since 2.9 |
| */ |
| public class ProcessIdUtil { |
| |
| public static final String DEFAULT_PROCESSID = "-"; |
| |
| public static String getProcessId() { |
| try { |
| // LOG4J2-2126 use reflection to improve compatibility with Android Platform which does not support JMX extensions |
| Class<?> managementFactoryClass = Class.forName("java.lang.management.ManagementFactory"); |
| Method getRuntimeMXBean = managementFactoryClass.getDeclaredMethod("getRuntimeMXBean"); |
| Class<?> runtimeMXBeanClass = Class.forName("java.lang.management.RuntimeMXBean"); |
| Method getName = runtimeMXBeanClass.getDeclaredMethod("getName"); |
| |
| Object runtimeMXBean = getRuntimeMXBean.invoke(null); |
| String name = (String) getName.invoke(runtimeMXBean); |
| //String name = ManagementFactory.getRuntimeMXBean().getName(); //JMX not allowed on Android |
| return name.split("@")[0]; // likely works on most platforms |
| } catch (final Exception ex) { |
| try { |
| return new File("/proc/self").getCanonicalFile().getName(); // try a Linux-specific way |
| } catch (final IOException ignoredUseDefault) { |
| // Ignore exception. |
| } |
| } |
| return DEFAULT_PROCESSID; |
| } |
| } |