/**
    * Copyright (C) 2010-14 pvmanager developers. See COPYRIGHT.TXT
    * All rights reserved. Use is subject to license terms. See LICENSE.TXT
    */
   package org.epics.pvmanager;
   
   import java.util.concurrent.Executor;
   import java.util.logging.Level;
   import java.util.logging.Logger;
  
  /**
   * This class receives all the exceptions generated by a PV.
   * {@link #handleException(java.lang.Exception) } is called on the thread that
   * generated the exception. It's up to the handler to handle thread safety
   * and notification.
   *
   * @author carcassi
   */
  public class ExceptionHandler {
  
      private static final Logger log = Logger.getLogger(ExceptionHandler.class.getName());
  
      /**
       * Notifies of an exception being thrown.
       * 
       * @param ex the exception
       */
      public void handleException(Exception ex) {
          log.log(Level.INFO, "Exception for PV", ex);
      }
      
      static ExceptionHandler safeHandler(final ExceptionHandler exceptionHandler) {
          return new ExceptionHandler() {
  
              @Override
              public void handleException(Exception ex) {
                  try {
                      exceptionHandler.handleException(ex);
                  } catch(RuntimeException e) {
                      log.log(Level.INFO, "Exception handler throw an exception", e);
                  }
              }
              
          };
      }
  }