package info.ejava.examples.ejb.basic.ejb;
   
   import info.ejava.examples.ejb.basic.dto.Greeting;
   import info.ejava.examples.ejb.basic.dto.Name;
   
   import java.util.Date;
   
   import javax.annotation.PostConstruct;
   import javax.annotation.PreDestroy;
  import javax.ejb.Remote;
  import javax.ejb.Stateless;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @Stateless
  @Remote(GreeterRemote.class)
  public class GreeterEJB implements Greeter {
      private static final Logger logger = LoggerFactory.getLogger(GreeterEJB.class);
  
      @PostConstruct
      public void init() {
          logger.info("*** GreeterEJB:init({}) ***", super.hashCode());
      }
      @PreDestroy
      public void destroy() {
          logger.info("*** GreeterEJB:destroy({}) ***", super.hashCode());
      }
      
      /**
       * This method is an example of a business method that can be invoked by
       * users of this object (if a POJO) or bean (if deployed as an EJB).
       */
      @Override
      public String sayHello(String name) throws BadRequestException {
          logger.debug("sayHello({})", name);
  
          if (name == null || name.isEmpty()) {
              throw new BadRequestException(
                      "you must have a name for me to say hello");
          }
          return "hello " + name;
      }
  
      /**
       * This method is an example of a business method that
       */
      @Override
      public Greeting sayHello(Name name) throws BadRequestException {
          logger.debug("sayHello({})", name);
  
          if (name == null) {
              throw new BadRequestException(
                      "you must have a name for me to say hello");
          }
          return new Greeting(new Date(), 
                  "hello " + name.getFirstName() + " " + name.getLastName());
      }
  }