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Source Code for Apache Log4j 1.2 Bridge
Apache Log4j 1.2 Bridge allows applications coded to use Log4j 1.2 API to use Log4j 2 instead.
Bytecode (Java 8) for Apache Log4j 1.2 Bridge is provided in a separate JAR file like log4j-1.2-api-2.14.1.jar.
Source Code files for Apache Log4j 1.2 Bridge 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 1.2 Bridge 2.14.1 below.
✍: FYIcenter.com
⏎ org/apache/log4j/builders/layout/PatternLayoutBuilder.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.builders.layout; import org.apache.log4j.Layout; import org.apache.log4j.bridge.LayoutWrapper; import org.apache.log4j.builders.AbstractBuilder; import org.apache.log4j.config.Log4j1Configuration; import org.apache.log4j.config.PropertiesConfiguration; import org.apache.log4j.xml.XmlConfiguration; import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.core.config.plugins.Plugin; import org.apache.logging.log4j.core.config.plugins.PluginAliases; import org.apache.logging.log4j.core.layout.PatternLayout; import org.apache.logging.log4j.status.StatusLogger; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import java.util.Properties; import static org.apache.log4j.builders.BuilderManager.CATEGORY; import static org.apache.log4j.xml.XmlConfiguration.PARAM_TAG; /** * Build a Pattern Layout */ @Plugin(name = "org.apache.log4j.PatternLayout", category = CATEGORY) @PluginAliases("org.apache.log4j.EnhancedPatternLayout") public class PatternLayoutBuilder extends AbstractBuilder implements LayoutBuilder { private static final Logger LOGGER = StatusLogger.getLogger(); private static final String PATTERN = "ConversionPattern"; public PatternLayoutBuilder() { } public PatternLayoutBuilder(String prefix, Properties props) { super(prefix, props); } @Override public Layout parseLayout(final Element layoutElement, final XmlConfiguration config) { NodeList params = layoutElement.getElementsByTagName("param"); final int length = params.getLength(); String pattern = null; for (int index = 0; index < length; ++ index) { Node currentNode = params.item(index); if (currentNode.getNodeType() == Node.ELEMENT_NODE) { Element currentElement = (Element) currentNode; if (currentElement.getTagName().equals(PARAM_TAG)) { if (PATTERN.equalsIgnoreCase(currentElement.getAttribute("name"))) { pattern = currentElement.getAttribute("value"); break; } } } } return createLayout(pattern, config); } @Override public Layout parseLayout(final PropertiesConfiguration config) { String pattern = getProperty(PATTERN); return createLayout(pattern, config); } private Layout createLayout(String pattern, final Log4j1Configuration config) { if (pattern == null) { LOGGER.info("No pattern provided for pattern layout, using default pattern"); pattern = PatternLayout.DEFAULT_CONVERSION_PATTERN; } return new LayoutWrapper(PatternLayout.newBuilder() .withPattern(pattern // Log4j 2's %x (NDC) is not compatible with Log4j 1's // %x // Log4j 1: "foo bar baz" // Log4j 2: "[foo, bar, baz]" // Use %ndc to get the Log4j 1 format .replace("%x", "%ndc") // Log4j 2's %X (MDC) is not compatible with Log4j 1's // %X // Log4j 1: "{{foo,bar}{hoo,boo}}" // Log4j 2: "{foo=bar,hoo=boo}" // Use %properties to get the Log4j 1 format .replace("%X", "%properties")) .withConfiguration(config) .build()); } }
⏎ org/apache/log4j/builders/layout/PatternLayoutBuilder.java
Or download all of them as a single archive file:
File name: log4j-1.2-api-2.14.1-sources.jar File size: 168047 bytes Release date: 2021-03-06 Download
⇒ Source Code for Apache Log4j JMX GUI
⇐ Source Code for Apache Log4j Flume Appender
2015-11-17, 30888👍, 0💬
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