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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/LowLevelLogUtil.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.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.Objects; /** * PrintWriter-based logging utility for classes too low level to use {@link org.apache.logging.log4j.status.StatusLogger}. * Such classes cannot use StatusLogger as StatusLogger or {@link org.apache.logging.log4j.simple.SimpleLogger} depends * on them for initialization. Other framework classes should stick to using StatusLogger. * * @since 2.6 */ final class LowLevelLogUtil { private static PrintWriter writer = new PrintWriter(System.err, true); /** * Logs the given message. * * @param message the message to log * @since 2.9.2 */ public static void log(final String message) { if (message != null) { writer.println(message); } } public static void logException(final Throwable exception) { if (exception != null) { exception.printStackTrace(writer); } } public static void logException(final String message, final Throwable exception) { log(message); logException(exception); } /** * Sets the underlying OutputStream where exceptions are printed to. * * @param out the OutputStream to log to */ public static void setOutputStream(final OutputStream out) { LowLevelLogUtil.writer = new PrintWriter(Objects.requireNonNull(out), true); } /** * Sets the underlying Writer where exceptions are printed to. * * @param writer the Writer to log to */ public static void setWriter(final Writer writer) { LowLevelLogUtil.writer = new PrintWriter(Objects.requireNonNull(writer), true); } private LowLevelLogUtil() { } }
⏎ org/apache/logging/log4j/util/LowLevelLogUtil.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, 38651👍, 0💬
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