package fr.ifremer.tutti.service.csv;
   
   /*
    * #%L
    * Tutti :: Service
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2012 - 2015 Ifremer
   * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as
   * published by the Free Software Foundation, either version 3 of the
   * License, or (at your option) any later version.
   * 
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   * 
   * You should have received a copy of the GNU General Public
   * License along with this program.  If not, see
   * <http://www.gnu.org/licenses/gpl-3.0.html>.
   * #L%
   */
  
  import fr.ifremer.tutti.persistence.entities.TuttiEntity;
  import org.apache.commons.lang3.StringUtils;
  import org.nuiton.csv.ImportRuntimeException;
  import org.nuiton.csv.ValueParserFormatter;
  
  import java.text.ParseException;
  import java.util.Map;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * @param <E>
   * @author Tony Chemit - chemit@codelutin.com
   * @since 1.0
   */
  public class ForeignKeyParserFormatter<E extends TuttiEntity> implements ValueParserFormatter<E> {
  
      protected final String propertyName;
  
      protected final Class<E> entityType;
  
      protected final Map<String, E> universe;
  
      public ForeignKeyParserFormatter(Class<E> entityType, String propertyName, Map<String, E> universe) {
          this.entityType = entityType;
          this.propertyName = propertyName;
          this.universe = universe;
      }
  
      @Override
      public E parse(String value) throws ParseException {
          E result = null;
          if (StringUtils.isNotBlank(value)) {
  
              // get entity from universe
              result = universe.get(value);
  
              if (result == null) {
  
                  // can not find entity this is a big problem for us...
                  throw new ImportRuntimeException(t("tutti.service.csv.parse.entityNotFound", entityType.getSimpleName(), propertyName, value));
              }
          }
          return result;
      }
  
      @Override
      public String format(E e) {
          String value = "";
          if (e != null) {
              value = e.getId();
          }
          return value;
      }
  }