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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/layout/Log4j1XmlLayout.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.layout; import java.io.PrintWriter; import java.io.StringWriter; import java.nio.charset.StandardCharsets; import java.util.List; import java.util.Objects; import org.apache.logging.log4j.core.Layout; import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.config.Node; 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.PluginFactory; import org.apache.logging.log4j.core.layout.AbstractStringLayout; import org.apache.logging.log4j.core.layout.ByteBufferDestination; import org.apache.logging.log4j.core.util.Transform; import org.apache.logging.log4j.util.ReadOnlyStringMap; import org.apache.logging.log4j.util.Strings; /** * Port of XMLLayout in Log4j 1.x. Provided for compatibility with existing Log4j 1 configurations. * * Originally developed by Ceki Gülcü, Mathias Bogaert. */ @Plugin(name = "Log4j1XmlLayout", category = Node.CATEGORY, elementType = Layout.ELEMENT_TYPE, printObject = true) public final class Log4j1XmlLayout extends AbstractStringLayout { private final boolean locationInfo; private final boolean properties; @PluginFactory public static Log4j1XmlLayout createLayout( // @formatter:off @PluginAttribute(value = "locationInfo") final boolean locationInfo, @PluginAttribute(value = "properties") final boolean properties // @formatter:on ) { return new Log4j1XmlLayout(locationInfo, properties); } private Log4j1XmlLayout(final boolean locationInfo, final boolean properties) { super(StandardCharsets.UTF_8); this.locationInfo = locationInfo; this.properties = properties; } public boolean isLocationInfo() { return locationInfo; } public boolean isProperties() { return properties; } @Override public void encode(final LogEvent event, final ByteBufferDestination destination) { final StringBuilder text = getStringBuilder(); formatTo(event, text); getStringBuilderEncoder().encode(text, destination); } @Override public String toSerializable(final LogEvent event) { final StringBuilder text = getStringBuilder(); formatTo(event, text); return text.toString(); } private void formatTo(final LogEvent event, final StringBuilder buf) { // We yield to the \r\n heresy. buf.append("<log4j:event logger=\""); buf.append(Transform.escapeHtmlTags(event.getLoggerName())); buf.append("\" timestamp=\""); buf.append(event.getTimeMillis()); buf.append("\" level=\""); buf.append(Transform.escapeHtmlTags(String.valueOf(event.getLevel()))); buf.append("\" thread=\""); buf.append(Transform.escapeHtmlTags(event.getThreadName())); buf.append("\">\r\n"); buf.append("<log4j:message><![CDATA["); // Append the rendered message. Also make sure to escape any existing CDATA sections. Transform.appendEscapingCData(buf, event.getMessage().getFormattedMessage()); buf.append("]]></log4j:message>\r\n"); final List<String> ndc = event.getContextStack().asList(); if (!ndc.isEmpty()) { buf.append("<log4j:NDC><![CDATA["); Transform.appendEscapingCData(buf, Strings.join(ndc, ' ')); buf.append("]]></log4j:NDC>\r\n"); } @SuppressWarnings("ThrowableResultOfMethodCallIgnored") final Throwable thrown = event.getThrown(); if (thrown != null) { buf.append("<log4j:throwable><![CDATA["); final StringWriter w = new StringWriter(); thrown.printStackTrace(new PrintWriter(w)); Transform.appendEscapingCData(buf, w.toString()); buf.append("]]></log4j:throwable>\r\n"); } if (locationInfo) { final StackTraceElement source = event.getSource(); if (source != null) { buf.append("<log4j:locationInfo class=\""); buf.append(Transform.escapeHtmlTags(source.getClassName())); buf.append("\" method=\""); buf.append(Transform.escapeHtmlTags(source.getMethodName())); buf.append("\" file=\""); buf.append(Transform.escapeHtmlTags(source.getFileName())); buf.append("\" line=\""); buf.append(source.getLineNumber()); buf.append("\"/>\r\n"); } } if (properties) { final ReadOnlyStringMap contextMap = event.getContextData(); if (!contextMap.isEmpty()) { buf.append("<log4j:properties>\r\n"); contextMap.forEach((key, val) -> { if (val != null) { buf.append("<log4j:data name=\""); buf.append(Transform.escapeHtmlTags(key)); buf.append("\" value=\""); buf.append(Transform.escapeHtmlTags(Objects.toString(val, null))); buf.append("\"/>\r\n"); } }); buf.append("</log4j:properties>\r\n"); } } buf.append("</log4j:event>\r\n\r\n"); } }
⏎ org/apache/log4j/layout/Log4j1XmlLayout.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, 29840👍, 0💬
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