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Source Code for Apache Log4j API
Apache Log4j API
provides the interface that applications should code to and provides the adapter
components required for implementers to create a logging implementation.
Apache Log4j API is a required module to use Apache Log4j.
Bytecode (Java 8) for Apache Log4j API is provided in a separate JAR file like log4j-api-2.14.1.jar.
Source Code files for Apache Log4j API are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.
You can also browse Source Code files for Apache Log4j API 2.14.1 below.
✍: FYIcenter.com
⏎ org/apache/logging/log4j/util/PrivateSecurityManagerStackTraceUtil.java
/* * 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.util.Stack; /** * Internal utility to share a fast implementation of {@link #getCurrentStackTrace()} * with the java 9 implementation of {@link StackLocator}. */ final class PrivateSecurityManagerStackTraceUtil { private static final PrivateSecurityManager SECURITY_MANAGER; static { PrivateSecurityManager psm; try { final SecurityManager sm = System.getSecurityManager(); if (sm != null) { sm.checkPermission(new RuntimePermission("createSecurityManager")); } psm = new PrivateSecurityManager(); } catch (final SecurityException ignored) { psm = null; } SECURITY_MANAGER = psm; } private PrivateSecurityManagerStackTraceUtil() { // Utility Class } static boolean isEnabled() { return SECURITY_MANAGER != null; } // benchmarks show that using the SecurityManager is much faster than looping through getCallerClass(int) static Stack<Class<?>> getCurrentStackTrace() { final Class<?>[] array = SECURITY_MANAGER.getClassContext(); final Stack<Class<?>> classes = new Stack<>(); classes.ensureCapacity(array.length); for (final Class<?> clazz : array) { classes.push(clazz); } return classes; } private static final class PrivateSecurityManager extends SecurityManager { @Override protected Class<?>[] getClassContext() { return super.getClassContext(); } } }
⏎ org/apache/logging/log4j/util/PrivateSecurityManagerStackTraceUtil.java
Or download all of them as a single archive file:
File name: log4j-api-2.14.1-sources.jar File size: 264773 bytes Release date: 2021-03-06 Download
⇒ Source Code for Apache Log4j Core Implementation
⇐ Downloading Apache Log4j Binary Package
2015-11-17, 40516👍, 0💬
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