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Source Code for Apache Log4j 1.2.17
Apache Log4j
provides the interface that applications should code to and provides the adapter
components required for implementers to create a logging implementation.
Bytecode (Java 1.4) for Apache Log4j is provided in a JAR file like log4j-1.2.17.jar.
Source Code files for Apache Log4j are provided in both binary packge like log4j-1.2.17.zip and source package like log4j-1.2.17-sources.zip. You can download them at Apache Log4j Website.
You can also browse Source Code files for Apache Log4j 1.2.17 below.
✍: FYIcenter.com
⏎ org/apache/log4j/spi/RootLogger.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.log4j.spi; import org.apache.log4j.Level; import org.apache.log4j.Logger; import org.apache.log4j.helpers.LogLog; // Contibutors: Mathias Bogaert /** RootLogger sits at the top of the logger hierachy. It is a regular logger except that it provides several guarantees. <p>First, it cannot be assigned a <code>null</code> level. Second, since root logger cannot have a parent, the {@link #getChainedLevel} method always returns the value of the level field without walking the hierarchy. @author Ceki Gülcü */ public final class RootLogger extends Logger { /** The root logger names itself as "root". However, the root logger cannot be retrieved by name. */ public RootLogger(Level level) { super("root"); setLevel(level); } /** Return the assigned level value without walking the logger hierarchy. */ public final Level getChainedLevel() { return level; } /** Setting a null value to the level of the root logger may have catastrophic results. We prevent this here. @since 0.8.3 */ public final void setLevel(Level level) { if (level == null) { LogLog.error( "You have tried to set a null level to root.", new Throwable()); } else { this.level = level; } } }
⏎ org/apache/log4j/spi/RootLogger.java
Or download all of them as a single archive file:
File name: log4j-1.2.17-sources.jar File size: 481200 bytes Release date: 2012-05-06 Download
⇒ Download and Install apache-log4j-1.2.15.zip
⇐ Download and Install log4j-1.2.17.zip
2015-12-14, 47963👍, 0💬
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