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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/bridge/LogEventWrapper.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.bridge; import org.apache.log4j.NDC; import org.apache.log4j.helpers.OptionConverter; import org.apache.log4j.spi.LocationInfo; import org.apache.log4j.spi.LoggingEvent; import org.apache.log4j.spi.ThrowableInformation; import org.apache.logging.log4j.Level; import org.apache.logging.log4j.Marker; import org.apache.logging.log4j.ThreadContext; import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.impl.ThrowableProxy; import org.apache.logging.log4j.core.time.Instant; import org.apache.logging.log4j.core.time.MutableInstant; import org.apache.logging.log4j.message.Message; import org.apache.logging.log4j.message.SimpleMessage; import org.apache.logging.log4j.spi.MutableThreadContextStack; import org.apache.logging.log4j.util.BiConsumer; import org.apache.logging.log4j.util.ReadOnlyStringMap; import org.apache.logging.log4j.util.TriConsumer; import java.util.HashMap; import java.util.Map; import java.util.Objects; /** * Exposes a Log4j 1 logging event as a Log4j 2 LogEvent. */ public class LogEventWrapper implements LogEvent { private final LoggingEvent event; private final ContextDataMap contextData; private final MutableThreadContextStack contextStack; private Thread thread; public LogEventWrapper(LoggingEvent event) { this.event = event; this.contextData = new ContextDataMap(event.getProperties()); this.contextStack = new MutableThreadContextStack(NDC.cloneStack()); this.thread = Objects.equals(event.getThreadName(), Thread.currentThread().getName()) ? Thread.currentThread() : null; } @Override public LogEvent toImmutable() { return this; } @Override public Map<String, String> getContextMap() { return contextData; } @Override public ReadOnlyStringMap getContextData() { return contextData; } @Override public ThreadContext.ContextStack getContextStack() { return contextStack; } @Override public String getLoggerFqcn() { return null; } @Override public Level getLevel() { return OptionConverter.convertLevel(event.getLevel()); } @Override public String getLoggerName() { return event.getLoggerName(); } @Override public Marker getMarker() { return null; } @Override public Message getMessage() { return new SimpleMessage(event.getRenderedMessage()); } @Override public long getTimeMillis() { return event.getTimeStamp(); } @Override public Instant getInstant() { MutableInstant mutable = new MutableInstant(); mutable.initFromEpochMilli(event.getTimeStamp(), 0); return mutable; } @Override public StackTraceElement getSource() { LocationInfo info = event.getLocationInformation(); return new StackTraceElement(info.getClassName(), info.getMethodName(), info.getFileName(), Integer.parseInt(info.getLineNumber())); } @Override public String getThreadName() { return event.getThreadName(); } @Override public long getThreadId() { Thread thread = getThread(); return thread != null ? thread.getId() : 0; } @Override public int getThreadPriority() { Thread thread = getThread(); return thread != null ? thread.getPriority() : 0; } private Thread getThread() { if (thread == null && event.getThreadName() != null) { for (Thread thread : Thread.getAllStackTraces().keySet()) { if (thread.getName().equals(event.getThreadName())) { this.thread = thread; return thread; } } } return thread; } @Override public Throwable getThrown() { ThrowableInformation throwableInformation = event.getThrowableInformation(); return throwableInformation == null ? null : throwableInformation.getThrowable(); } @Override public ThrowableProxy getThrownProxy() { return null; } @Override public boolean isEndOfBatch() { return false; } @Override public boolean isIncludeLocation() { return false; } @Override public void setEndOfBatch(boolean endOfBatch) { } @Override public void setIncludeLocation(boolean locationRequired) { } @Override public long getNanoTime() { return 0; } private static class ContextDataMap extends HashMap<String, String> implements ReadOnlyStringMap { ContextDataMap(Map<String, String> map) { if (map != null) { super.putAll(map); } } @Override public Map<String, String> toMap() { return this; } @Override public boolean containsKey(String key) { return super.containsKey(key); } @Override public <V> void forEach(BiConsumer<String, ? super V> action) { super.forEach((k,v) -> action.accept(k, (V) v)); } @Override public <V, S> void forEach(TriConsumer<String, ? super V, S> action, S state) { super.forEach((k,v) -> action.accept(k, (V) v, state)); } @Override public <V> V getValue(String key) { return (V) super.get(key); } } }
⏎ org/apache/log4j/bridge/LogEventWrapper.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, 29807👍, 0💬
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