The version of Apache log4j used by SoundHelix.

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compress3.txt

/*
 * ============================================================================
 *                   The Apache Software License, Version 1.1
 * ============================================================================
 *
 *    Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of  source code must  retain the above copyright  notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include  the following  acknowledgment:  "This product includes  software
 *    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
 *    Alternately, this  acknowledgment may  appear in the software itself,  if
 *    and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "log4j" and  "Apache Software Foundation"  must not be used to
 *    endorse  or promote  products derived  from this  software without  prior
 *    written permission. For written permission, please contact
 *    apache@apache.org.
 *
 * 5. Products  derived from this software may not  be called "Apache", nor may
 *    "Apache" appear  in their name,  without prior written permission  of the
 *    Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
 * APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
 * DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
 * ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
 * (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software  consists of voluntary contributions made  by many individuals
 * on  behalf of the Apache Software  Foundation.  For more  information on the
 * Apache Software Foundation, please see <http://www.apache.org/>.
 *
 */
===========
Using log4j
===========
	
1) First untar or unzip the distribution file.

2) Assuming you chose to extract the distribution in to the
   PATH_OF_YOUR_CHOICE, untarring the distribution file should create
   a jakarta-log4j-VERSION directory, where VERSION is the log4j
   version number, under PATH_OF_YOUR_CHOICE. We will refer to the
   directory PATH_OF_YOUR_CHOICE/jakarta-log4j-VERSION/ as $LOG4J_HOME/.

3) Assuming you are using log4j version 1.2, add
   $LOG4J_HOME/dist/lib/log4j-1.2.jar to your CLASSPATH,
   
4) You can now test your installation by first compiling the following
   simple program.

    import org.apache.log4j.Logger;
    import org.apache.log4j.BasicConfigurator;
    
    public class Hello {
    
      static Logger logger = Logger.getLogger(Hello.class);
    
      public
      static
      void main(String argv[]) {
    	BasicConfigurator.configure();
    	logger.debug("Hello world.");
    	logger.info("What a beatiful day.");
      }
    }


   After compilation, try it out by issuing the command

      java Hello
  
   You should see log statements appearing on the console.

5) Refer to the javadoc documentation and the user manual on how to
   include log statements in your own code.

=========
JAR files
=========

The log4j distribution comes with one jar file: log4j-VERSION.jar
under the LOG4J_HOME/dist/lib/ directory.

This jar file contains all the class files of the log4j project,
except test cases and classes from the "examples" and
"org.apache.log4j.performance" packages.

==================   
log4j dependencies
==================
   
Log4j is based on JDK 1.1 with the following additional requirements:

    ----------------------------
    Package org.apache.log4j.xml 
    ----------------------------

    The DOMConfigurator is based on the DOM Level 1 API. The
    DOMConfigurator.configure(Element) method will work with any
    XML parser that will pass it a DOM tree.
    
    The DOMConfigurator.configure(String filename) method and its variants
    require a JAXP compatible XMLparser, for example the Apache Xerces
    parser. Compiling the DOMConfigurator requires the presence of a
    JAXP parser in the classpath.  

    Given that Ant already ships with a compatible XML parser, you do
    *not* need to worry about setting the parser when building,
    i.e. compiling, log4j.

    ------------
    SMTPAppender
    ------------

    The SMTPAppender relies on the JavaMail API. It has been tested with
    JavaMail API version 1.2. The JavaMail API requires the
    JavaBeans Activation Framework package. You can download the
    JavaMail API at:

	http://java.sun.com/products/javamail/

    and the JavaBeans Activation Framework at:

	http://java.sun.com/beans/glasgow/jaf.html

    -----------
    JMSAppender
    -----------
  
    The JMSAppender requires the JMS API as well as JNDI. The JMS API
    is usually bundled with the products of the vendors listed under

       http://java.sun.com/products/jms/vendors.html

    -----------------------
    JUnit testing framework
    -----------------------

    Log4j uses the JUnit framework version 3.7 for internal unit
    testing.  If you want to compile the source code in the tests/
    directory, then you will need JUnit. JUnit is available from:

          http://www.junit.org

==============
Building log4j
==============
    
Like most java appilicatios today, log4j relies on ANT as its build
tool. ANT is availale from "http://jakarta.apache.org/ant/".  ANT
requires a build file called build.xml which is part of this
distribution. Required components from other projects are specified in
the build.properties and example of which is supplied in the
build.properties.sample file.

In case of problems send an e-mail note to
log4j-user@jakarta.apache.org.  Please do not directly e-mail any
log4j developers. The answer to your question might be useful to other
users. Moreover, there are many knowledgeable users on the log4j-user
mailing lists who can quickly answer your questions.
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