Log4j2LogDelegate.java

/*
 *  Copyright (c) 2011-2015 The original author or authors
 *  ------------------------------------------------------
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  and Apache License v2.0 which accompanies this distribution.
 *
 *       The Eclipse Public License is available at
 *       http://www.eclipse.org/legal/epl-v10.html
 *
 *       The Apache License v2.0 is available at
 *       http://www.opensource.org/licenses/apache2.0.php
 *
 *  You may elect to redistribute this code under either of these licenses.
 */

package io.vertx.core.logging;

import io.vertx.core.spi.logging.LogDelegate;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.message.FormattedMessage;
import org.apache.logging.log4j.spi.ExtendedLogger;

/**
 * A {@link LogDelegate} which delegates to Apache Log4j 2
 *
 * @author Clement Escoffier - clement@apache.org
 */
public class Log4j2LogDelegate implements LogDelegate {

  final ExtendedLogger logger;
  final static String FQCN = Logger.class.getCanonicalName();

  Log4j2LogDelegate(final String name) {
    logger = (ExtendedLogger) org.apache.logging.log4j.LogManager.getLogger(name);
  }

  public boolean isInfoEnabled() {
    return logger.isInfoEnabled();
  }

  public boolean isDebugEnabled() {
    return logger.isDebugEnabled();
  }

  public boolean isTraceEnabled() {
    return logger.isTraceEnabled();
  }

  public void fatal(final Object message) {
    log(Level.FATAL, message);
  }

  public void fatal(final Object message, final Throwable t) {
    log(Level.FATAL, message, t);
  }

  public void error(final Object message) {
    log(Level.ERROR, message);
  }

  @Override
  public void error(Object message, Object... params) {
    log(Level.ERROR, message.toString(), params);
  }

  public void error(final Object message, final Throwable t) {
    log(Level.ERROR, message, t);
  }

  @Override
  public void error(Object message, Throwable t, Object... params) {
    log(Level.ERROR, message.toString(), t, params);
  }

  public void warn(final Object message) {
    log(Level.WARN, message);
  }

  @Override
  public void warn(Object message, Object... params) {
    log(Level.WARN, message.toString(), params);
  }

  public void warn(final Object message, final Throwable t) {
    log(Level.WARN, message, t);
  }

  @Override
  public void warn(Object message, Throwable t, Object... params) {
    log(Level.WARN, message.toString(), t, params);
  }

  public void info(final Object message) {
    log(Level.INFO, message);
  }

  @Override
  public void info(Object message, Object... params) {
    log(Level.INFO, message.toString(), params);
  }

  public void info(final Object message, final Throwable t) {
    log(Level.INFO, message, t);
  }

  @Override
  public void info(Object message, Throwable t, Object... params) {
    log(Level.INFO, message.toString(), t, params);
  }

  public void debug(final Object message) {
    log(Level.DEBUG, message);
  }

  @Override
  public void debug(Object message, Object... params) {
    log(Level.DEBUG, message.toString(), params);
  }

  public void debug(final Object message, final Throwable t) {
    log(Level.DEBUG, message, t);
  }

  @Override
  public void debug(Object message, Throwable t, Object... params) {
    log(Level.DEBUG, message.toString(), t, params);
  }

  public void trace(final Object message) {
    log(Level.TRACE, message);
  }

  @Override
  public void trace(Object message, Object... params) {
    log(Level.TRACE, message.toString(), params);
  }

  public void trace(final Object message, final Throwable t) {
    log(Level.TRACE, message.toString(), t);
  }

  @Override
  public void trace(Object message, Throwable t, Object... params) {
    log(Level.TRACE, message.toString(), t, params);
  }

  private void log(Level level, Object message) {
    log(level, message, null);
  }

  private void log(Level level, Object message, Throwable t) {
    logger.logIfEnabled(FQCN, level, null, message, t);
  }

  private void log(Level level, String message, Object... params) {
    logger.logIfEnabled(FQCN, level, null, message, params);
  }

  private void log(Level level, String message, Throwable t, Object... params) {
    logger.logIfEnabled(FQCN, level, null, new FormattedMessage(message, params), t);
  }

  @Override
  public Object unwrap() {
    return logger;
  }
}