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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/IfAccumulatedFileSize.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.nio.file.Path; import java.nio.file.attribute.BasicFileAttributes; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.core.Core; import org.apache.logging.log4j.core.appender.rolling.FileSize; import org.apache.logging.log4j.core.config.plugins.Plugin; import org.apache.logging.log4j.core.config.plugins.PluginAttribute; import org.apache.logging.log4j.core.config.plugins.PluginElement; import org.apache.logging.log4j.core.config.plugins.PluginFactory; import org.apache.logging.log4j.status.StatusLogger; /** * PathCondition that accepts paths after the accumulated file size threshold is exceeded during the file tree walk. */ @Plugin(name = "IfAccumulatedFileSize", category = Core.CATEGORY_NAME, printObject = true) public final class IfAccumulatedFileSize implements PathCondition { private static final Logger LOGGER = StatusLogger.getLogger(); private final long thresholdBytes; private long accumulatedSize; private final PathCondition[] nestedConditions; private IfAccumulatedFileSize(final long thresholdSize, final PathCondition[] nestedConditions) { if (thresholdSize <= 0) { throw new IllegalArgumentException("Count must be a positive integer but was " + thresholdSize); } this.thresholdBytes = thresholdSize; this.nestedConditions = nestedConditions == null ? new PathCondition[0] : Arrays.copyOf(nestedConditions, nestedConditions.length); } public long getThresholdBytes() { return thresholdBytes; } public List<PathCondition> getNestedConditions() { return Collections.unmodifiableList(Arrays.asList(nestedConditions)); } /* * (non-Javadoc) * * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#accept(java.nio.file.Path, * java.nio.file.Path, java.nio.file.attribute.BasicFileAttributes) */ @Override public boolean accept(final Path basePath, final Path relativePath, final BasicFileAttributes attrs) { accumulatedSize += attrs.size(); final boolean result = accumulatedSize > thresholdBytes; final String match = result ? ">" : "<="; final String accept = result ? "ACCEPTED" : "REJECTED"; LOGGER.trace("IfAccumulatedFileSize {}: {} accumulated size '{}' {} thresholdBytes '{}'", accept, relativePath, accumulatedSize, match, thresholdBytes); if (result) { return IfAll.accept(nestedConditions, basePath, relativePath, attrs); } return result; } /* * (non-Javadoc) * * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#beforeFileTreeWalk() */ @Override public void beforeFileTreeWalk() { accumulatedSize = 0; IfAll.beforeFileTreeWalk(nestedConditions); } /** * Create an IfAccumulatedFileSize condition. * * @param threshold The threshold accumulated file size from which files will be deleted. * @return An IfAccumulatedFileSize condition. */ @PluginFactory public static IfAccumulatedFileSize createFileSizeCondition( // @formatter:off @PluginAttribute("exceeds") final String size, @PluginElement("PathConditions") final PathCondition... nestedConditions) { // @formatter:on if (size == null) { LOGGER.error("IfAccumulatedFileSize missing mandatory size threshold."); } final long threshold = size == null ? Long.MAX_VALUE : FileSize.parse(size, Long.MAX_VALUE); return new IfAccumulatedFileSize(threshold, nestedConditions); } @Override public String toString() { final String nested = nestedConditions.length == 0 ? "" : " AND " + Arrays.toString(nestedConditions); return "IfAccumulatedFileSize(exceeds=" + thresholdBytes + nested + ")"; } }
⏎ org/apache/logging/log4j/core/appender/rolling/action/IfAccumulatedFileSize.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, 74617👍, 0💬
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