/*******************************************************************************
    * Copyright (c) 2007, 2014 Massimiliano Ziccardi
    *
    * Licensed 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 it.jnrpe.server;
  
  import it.jnrpe.events.IJNRPEEvent;
  import it.jnrpe.events.IJNRPEEventListener;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * The JNRPE Server uses this event listener to populate the log files.
   * 
   * @author Massimiliano Ziccardi
   * 
   */
  public class EventLoggerListener implements IJNRPEEventListener {
  	/**
  	 * All the loggers.
  	 */
  	private final Map<String, Logger> loggersMap = new HashMap<String, Logger>();
  
  	/**
  	 * This method receives the log event and logs it.
  	 * 
  	 * @param sender
  	 *            The source of the event
  	 * @param event
  	 *            The event
  	 */
  	public final void receive(final Object sender, final IJNRPEEvent event) {
  		String sClassName = sender.getClass().getName();
  
  		Logger logger = loggersMap.get(sClassName);
  
  		if (logger == null) {
  			logger = LoggerFactory.getLogger(sender.getClass());
  			loggersMap.put(sClassName, logger);
  		}
  
  		Throwable error = (Throwable) event.getEventParams().get("EXCEPTION");
  
  		if (error != null) {
  			error.printStackTrace();
  		}
  
  		String sEventName = event.getEventName();
  
  		if (sEventName.equals("TRACE")) {
  			if (error != null) {
  				logger.trace((String) event.getEventParams().get("MESSAGE"),
  						error);
  			} else {
  				logger.trace((String) event.getEventParams().get("MESSAGE"));
  			}
  			return;
  		}
  
  		if (sEventName.equals("DEBUG")) {
  			if (error != null) {
  				logger.debug((String) event.getEventParams().get("MESSAGE"),
  						error);
  			} else {
  				logger.debug((String) event.getEventParams().get("MESSAGE"));
  			}
  			return;
  		}
  
  		if (sEventName.equals("INFO")) {
  			if (error != null) {
  				logger.info((String) event.getEventParams().get("MESSAGE"),
  						error);
  			} else {
  				logger.info((String) event.getEventParams().get("MESSAGE"));
  			}
  			return;
  		}
  
  		if (sEventName.equals("WARNING")) {
  			if (error != null) {
  				logger.warn((String) event.getEventParams().get("MESSAGE"),
  						error);
  			} else {
 				logger.warn((String) event.getEventParams().get("MESSAGE"));
 			}
 			return;
 		}
 
 		if (sEventName.equals("ERROR")) {
 			if (error != null) {
 				logger.error((String) event.getEventParams().get("MESSAGE"),
 						error);
 			} else {
 				logger.error((String) event.getEventParams().get("MESSAGE"));
 			}
 			return;
 		}
 
 		if (sEventName.equals("FATAL")) {
 			if (error != null) {
 				logger.error((String) event.getEventParams().get("MESSAGE"),
 						(Throwable) (event.getEventParams().get("EXCEPTION")));
 			} else {
 				logger.error((String) event.getEventParams().get("MESSAGE"));
 			}
 			return;
 		}
 	}
 
 }