code: public static String getProperty(final String _key)
      {
          String language = null;
          try {
              language = Context.getThreadContext().getLanguage();
          } catch (final EFapsException e) {
              DBProperties.LOG.error("not able to read the language from the context", e);
          }
          return DBProperties.getProperty(_key, language);
      }
docs: Method that returns the value, depending on the language of the Context,
  for the given key. <br>
  The Search for the key, first searches for a localized Version and if not
  found for a Default. If no value can be found, the key will be returned.
  
  @param _key Key to Search for
  @return if key exists, the value for the key, otherwise the key