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Source Code for Apache Log4j Core Implementation
Apache Log4j Core Implementation provides the functional components of the logging system. Users are free to create their own plugins and include them in the logging configuration. Apache Log4j Core is a required module to use Apache Log4j.
Bytecode (Java 8) for Apache Log4j Core Implementation is provided in a separate JAR file like log4j-core-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 Core Implementation 2.14.1 below.
✍: FYIcenter.com
⏎ org/apache/logging/log4j/core/appender/rolling/action/ZipCompressAction.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.core.appender.rolling.action; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.Objects; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; /** * Compresses a file using Zip compression. */ public final class ZipCompressAction extends AbstractAction { private static final int BUF_SIZE = 8192; /** * Source file. */ private final File source; /** * Destination file. */ private final File destination; /** * If true, attempts to delete file on completion. */ private final boolean deleteSource; /** * Compression level. */ private final int level; /** * Creates new instance of GzCompressAction. * * @param source file to compress, may not be null. * @param destination compressed file, may not be null. * @param deleteSource if true, attempt to delete file on completion. Failure to delete does not cause an exception * to be thrown or affect return value. * @param level TODO */ public ZipCompressAction(final File source, final File destination, final boolean deleteSource, final int level) { Objects.requireNonNull(source, "source"); Objects.requireNonNull(destination, "destination"); this.source = source; this.destination = destination; this.deleteSource = deleteSource; this.level = level; } /** * Compresses. * * @return true if successfully compressed. * @throws IOException on IO exception. */ @Override public boolean execute() throws IOException { return execute(source, destination, deleteSource, level); } /** * Compresses a file. * * @param source file to compress, may not be null. * @param destination compressed file, may not be null. * @param deleteSource if true, attempt to delete file on completion. Failure to delete does not cause an exception * to be thrown or affect return value. * @param level the compression level * @return true if source file compressed. * @throws IOException on IO exception. */ public static boolean execute(final File source, final File destination, final boolean deleteSource, final int level) throws IOException { if (source.exists()) { try (final FileInputStream fis = new FileInputStream(source); final ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(destination))) { zos.setLevel(level); final ZipEntry zipEntry = new ZipEntry(source.getName()); zos.putNextEntry(zipEntry); final byte[] inbuf = new byte[BUF_SIZE]; int n; while ((n = fis.read(inbuf)) != -1) { zos.write(inbuf, 0, n); } } if (deleteSource && !source.delete()) { LOGGER.warn("Unable to delete " + source.toString() + '.'); } return true; } return false; } /** * Captures exception. * * @param ex exception. */ @Override protected void reportException(final Exception ex) { LOGGER.warn("Exception during compression of '" + source.toString() + "'.", ex); } @Override public String toString() { return ZipCompressAction.class.getSimpleName() + '[' + source + " to " + destination + ", level=" + level + ", deleteSource=" + deleteSource + ']'; } public File getSource() { return source; } public File getDestination() { return destination; } public boolean isDeleteSource() { return deleteSource; } public int getLevel() { return level; } }
⏎ org/apache/logging/log4j/core/appender/rolling/action/ZipCompressAction.java
Or download all of them as a single archive file:
File name: log4j-core-2.14.1-sources.jar File size: 1281358 bytes Release date: 2021-03-06 Download
⇒ Source Code for Apache Log4j JDK Logging Adapter
⇐ Source Code for Apache Log4j API
2015-11-03, 83395👍, 0💬
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