/**
    * 
    */
   package de.tivsource.page.converter;
   
   import java.util.Map;
   import java.util.logging.Logger;
   
   import javax.naming.Context;
  import javax.naming.InitialContext;
  
  import org.apache.struts2.util.StrutsTypeConverter;
  
  import com.opensymphony.xwork2.conversion.TypeConversionException;
  
  import de.tivsource.page.common.captcha.Captcha;
  import de.tivsource.page.dao.captcha.CaptchaDaoLocal;
  
  /**
   * @author Marc Michele
   *
   */
  public class CaptchaConverter extends StrutsTypeConverter {
  
      private static final Logger LOGGER = Logger.getLogger("INFO");
  
      /* (non-Javadoc)
       * @see org.apache.struts2.util.StrutsTypeConverter#convertFromString(java.util.Map, java.lang.String[], java.lang.Class)
       */
      @SuppressWarnings("rawtypes")
      @Override
      public Object convertFromString(Map context, String[] values, Class toClass) {
          if (values == null || values.length == 0 || values[0].trim().length() == 0) {
              LOGGER.info("Kein Captcha angegeben.");
              throw new TypeConversionException("Kein Captcha angegeben.");
          }
  
          try {
              // Setze die übergebene ID
              String uuid = values[0];
              Context initialContext = new InitialContext();
              // TODO: Remove version number from dao
              CaptchaDaoLocal captchaDaoLocal = (CaptchaDaoLocal) initialContext.lookup("java:global/tiv-page/dao-0.0.1/CaptchaDao");
              return captchaDaoLocal.findByUuid(uuid);
          } catch (Exception e) {
              LOGGER.info("Keinen gültigen Captcha angegeben.");
              throw new TypeConversionException("Keinen gültigen Captcha angegeben.");
          }
      }
  
      /* (non-Javadoc)
       * @see org.apache.struts2.util.StrutsTypeConverter#convertToString(java.util.Map, java.lang.Object)
       */
      @SuppressWarnings("rawtypes")
      @Override
      public String convertToString(Map context, Object o) {
          Captcha captcha = (Captcha)o;
          return ""+captcha.getUuid();
      }
  
  }// Ende class