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org.jboss.logging.log4j.Log4jLoggerPlugin Maven / Gradle / Ivy

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.logging.log4j;

import org.jboss.logging.LoggerPlugin;
import org.jboss.logging.MDCProvider;
import org.jboss.logging.MDCSupport;
import org.jboss.logging.NDCProvider;
import org.jboss.logging.NDCSupport;

import org.apache.log4j.Category;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Priority;

/**
 * Delegate for org.jboss.logging.Logger logging to log4j. Body of implementation
 * mainly copied from old Logger implementation.
 *
 * @see org.jboss.logging.Logger
 * @see org.jboss.logging.LoggerPlugin
 *
 * @author  Sacha Labourey.
 * @author Jason T. Greene
 * @version $Revision: 3150 $
 */
public class Log4jLoggerPlugin implements LoggerPlugin, NDCSupport, MDCSupport
{

   // Constants -----------------------------------------------------

   /**
    *  Fully qualified classname for this class so Log4J locationinfo will be
    *  correct
    */
   private static final String FQCN = Log4jLoggerPlugin.class.getName();

   // Attributes ----------------------------------------------------

   /** The Log4j delegate logger. */
   private transient org.apache.log4j.Logger log;

   // Static --------------------------------------------------------

   // Constructors --------------------------------------------------

   public Log4jLoggerPlugin () { }

   public void init (String name)
   {
      log = LogManager.getLogger(name);
   }

   // Public --------------------------------------------------------

   public Category getCategory()
   {
      return log;
   }

   /**
    * Exposes the delegate Log4j Logger.
    * 
    * @return the underlying logger
    */
   public org.apache.log4j.Logger getLogger()
   {
      return log;
   }

   // LoggerPlugin implementation ----------------------------------------------

   public boolean isTraceEnabled()
   {
      Level l = Level.TRACE;
      if (log.isEnabledFor(l) == false)
         return false;
      return l.isGreaterOrEqual(log.getEffectiveLevel());
   }

   /**
    * Issue a log msg with a level of TRACE.
    * Invokes log.log(Level.TRACE, message);
    */
   public void trace(Object message)
   {
      log.log(FQCN, Level.TRACE, message, null);
   }

   /**
    * Issue a log msg and throwable with a level of TRACE.
    * Invokes log.log(Level.TRACE, message, t);
    */
   public void trace(Object message, Throwable t)
   {
      log.log(FQCN, Level.TRACE, message, t);
   }

   /** {@inheritDoc} */
   public void trace(final String loggerFcqn, final Object message, final Throwable t)
   {
      log.log(loggerFcqn, Level.TRACE, message, t);
   }

   /**
    * Check to see if the TRACE level is enabled for this logger.
    *
    * @return true if a {@link #trace(Object)} method invocation would pass
    * the msg to the configured appenders, false otherwise.
    */
   @Deprecated
   public boolean isDebugEnabled()
   {
      Level l = Level.DEBUG;
      if (log.isEnabledFor(l) == false)
         return false;
      return l.isGreaterOrEqual(log.getEffectiveLevel());
   }

   /**
    * Issue a log msg with a level of DEBUG.
    * Invokes log.log(Level.DEBUG, message);
    */
   public void debug(Object message)
   {
      log.log(FQCN, Level.DEBUG, message, null);
   }

   /**
    * Issue a log msg and throwable with a level of DEBUG.
    * Invokes log.log(Level.DEBUG, message, t);
    */
   public void debug(Object message, Throwable t)
   {
      log.log(FQCN, Level.DEBUG, message, t);
   }

   /** {@inheritDoc} */
   public void debug(final String loggerFcqn, final Object message, final Throwable t)
   {
      log.log(loggerFcqn, Level.DEBUG, message, t);
   }

   /**
    * Check to see if the INFO level is enabled for this logger.
    *
    * @return true if a {@link #info(Object)} method invocation would pass
    * the msg to the configured appenders, false otherwise.
    */
   @Deprecated
   public boolean isInfoEnabled()
   {
      Level l = Level.INFO;
      if (log.isEnabledFor(l) == false)
         return false;
      return l.isGreaterOrEqual(log.getEffectiveLevel());
   }

   /**
    * Issue a log msg with a level of INFO.
    * Invokes log.log(Level.INFO, message);
    */
   public void info(Object message)
   {
      log.log(FQCN, Level.INFO, message, null);
   }

   /**
    * Issue a log msg and throwable with a level of INFO.
    * Invokes log.log(Level.INFO, message, t);
    */
   public void info(Object message, Throwable t)
   {
      log.log(FQCN, Level.INFO, message, t);
   }

   /** {@inheritDoc} */
   public void info(final String loggerFcqn, final Object message, final Throwable t)
   {
      log.log(loggerFcqn, Level.INFO, message, t);
   }

   /**
    * Issue a log msg with a level of WARN.
    * Invokes log.log(Level.WARN, message);
    */
   public void warn(Object message)
   {
      log.log(FQCN, Level.WARN, message, null);
   }

   /**
    * Issue a log msg and throwable with a level of WARN.
    * Invokes log.log(Level.WARN, message, t);
    */
   public void warn(Object message, Throwable t)
   {
      log.log(FQCN, Level.WARN, message, t);
   }

   /** {@inheritDoc} */
   public void warn(final String loggerFcqn, final Object message, final Throwable t)
   {
      log.log(loggerFcqn, Level.WARN, message, t);
   }

   /**
    * Issue a log msg with a level of ERROR.
    * Invokes log.log(Level.ERROR, message);
    */
   public void error(Object message)
   {
      log.log(FQCN, Level.ERROR, message, null);
   }

   /**
    * Issue a log msg and throwable with a level of ERROR.
    * Invokes log.log(Level.ERROR, message, t);
    */
   public void error(Object message, Throwable t)
   {
      log.log(FQCN, Level.ERROR, message, t);
   }

   /** {@inheritDoc} */
   public void error(final String loggerFcqn, final Object message, final Throwable t)
   {
      log.log(loggerFcqn, Level.ERROR, message, t);
   }

   /**
    * Issue a log msg with a level of FATAL.
    * Invokes log.log(Level.FATAL, message);
    */
   public void fatal(Object message)
   {
      log.log(FQCN, Level.FATAL, message, null);
   }

   /**
    * Issue a log msg and throwable with a level of FATAL.
    * Invokes log.log(Level.FATAL, message, t);
    */
   public void fatal(Object message, Throwable t)
   {
      log.log(FQCN, Level.FATAL, message, t);
   }

   /** {@inheritDoc} */
   public void fatal(final String loggerFcqn, final Object message, final Throwable t)
   {
      log.log(loggerFcqn, Level.FATAL, message, t);
   }

   /**
    * Issue a log msg with the given level.
    * Invokes log.log(p, message);
    *
    * @param p the priority
    * @param message the message
    * @deprecated  Use Level versions.
    */
   public void log(Priority p, Object message)
   {
      log.log(FQCN, p, message, null);
   }

   /**
    * Issue a log msg with the given priority.
    * Invokes log.log(p, message, t);
    *
    *
    * @param p the priority
    * @param message the message
    * @param t the throwable
    * @deprecated  Use Level versions.
    */
   public void log(Priority p, Object message, Throwable t)
   {
      log.log(FQCN, p, message, t);
   }

   /**
    * Issue a log msg with the given level.
    * Invokes log.log(l, message);
    * 
    * @param l the level
    * @param message the message
    */
   public void log(Level l, Object message)
   {
      log.log(FQCN, l, message, null);
   }

   /**
    * Issue a log msg with the given level.
    * Invokes log.log(l, message, t);
    * 
    * @param l the level
    * @param message the message
    * @param t the throwable
    */
   public void log(Level l, Object message, Throwable t)
   {
      log.log(FQCN, l, message, t);
   }

   public NDCProvider getNDCProvider()
   {
      return new Log4jNDCProvider();
   }

   public MDCProvider getMDCProvider()
   {
      return new Log4jMDCProvider();
   }

   // Y overrides ---------------------------------------------------

   // Package protected ---------------------------------------------

   // Protected -----------------------------------------------------

   // Private -------------------------------------------------------

   // Inner classes -------------------------------------------------

}




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