/*******************************************************************************
    * 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.osgi;
  
  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");
  
          //System.out.println((String) event.getEventParams().get("MESSAGE"));
          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;
         }
     }
 
 }