Source Code for Apache Log4j 1.2.17

Apache Log4j provides the interface that applications should code to and provides the adapter components required for implementers to create a logging implementation.

Bytecode (Java 1.4) for Apache Log4j is provided in a JAR file like log4j-1.2.17.jar.

Source Code files for Apache Log4j are provided in both binary packge like and source package like You can download them at Apache Log4j Website.

You can also browse Source Code files for Apache Log4j 1.2.17 below.



 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.log4j.chainsaw;

import org.apache.log4j.Priority;
import org.apache.log4j.spi.LoggingEvent;

 * Represents the details of a logging event. It is intended to overcome the
 * problem that a LoggingEvent cannot be constructed with purely fake data.
 * @author <a href="">Oliver Burn</a>
 * @version 1.0
class EventDetails {

    /** the time of the event **/
    private final long mTimeStamp;
    /** the priority of the event **/
    private final Priority mPriority;
    /** the category of the event **/
    private final String mCategoryName;
    /** the NDC for the event **/
    private final String mNDC;
    /** the thread for the event **/
    private final String mThreadName;
    /** the msg for the event **/
    private final String mMessage;
    /** the throwable details the event **/
    private final String[] mThrowableStrRep;
    /** the location details for the event **/
    private final String mLocationDetails;

     * Creates a new <code>EventDetails</code> instance.
     * @param aTimeStamp a <code>long</code> value
     * @param aPriority a <code>Priority</code> value
     * @param aCategoryName a <code>String</code> value
     * @param aNDC a <code>String</code> value
     * @param aThreadName a <code>String</code> value
     * @param aMessage a <code>String</code> value
     * @param aThrowableStrRep a <code>String[]</code> value
     * @param aLocationDetails a <code>String</code> value
    EventDetails(long aTimeStamp,
                 Priority aPriority,
                 String aCategoryName,
                 String aNDC,
                 String aThreadName,
                 String aMessage,
                 String[] aThrowableStrRep,
                 String aLocationDetails)
        mTimeStamp = aTimeStamp;
        mPriority = aPriority;
        mCategoryName = aCategoryName;
        mNDC = aNDC;
        mThreadName = aThreadName;
        mMessage = aMessage;
        mThrowableStrRep = aThrowableStrRep;
        mLocationDetails = aLocationDetails;

     * Creates a new <code>EventDetails</code> instance.
     * @param aEvent a <code>LoggingEvent</code> value
    EventDetails(LoggingEvent aEvent) {

             (aEvent.getLocationInformation() == null)
             ? null : aEvent.getLocationInformation().fullInfo);

    /** @see #mTimeStamp **/
    long getTimeStamp() {
        return mTimeStamp;

    /** @see #mPriority **/
    Priority getPriority() {
        return mPriority;

    /** @see #mCategoryName **/
    String getCategoryName() {
        return mCategoryName;

    /** @see #mNDC **/
    String getNDC() {
        return mNDC;

    /** @see #mThreadName **/
    String getThreadName() {
        return mThreadName;

    /** @see #mMessage **/
    String getMessage() {
        return mMessage;

    /** @see #mLocationDetails **/
    String getLocationDetails(){
        return mLocationDetails;

    /** @see #mThrowableStrRep **/
    String[] getThrowableStrRep() {
        return mThrowableStrRep;



Or download all of them as a single archive file:

File name: log4j-1.2.17-sources.jar
File size: 481200 bytes
Release date: 2012-05-06


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