package fr.ifremer.tutti.persistence.entities.data;
   
   /*
    * #%L
    * Tutti :: Persistence
    * %%
    * Copyright (C) 2012 - 2014 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 com.google.common.base.Preconditions;
  import com.google.common.collect.Lists;
  import org.apache.commons.beanutils.ConversionException;
  import org.apache.commons.lang3.StringUtils;
  import org.nuiton.converter.NuitonConverter;
  
  import java.util.List;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * To convert to a {@link SampleCategoryModel} from a string representation.
   *
   * Each entry is a couple (categoryId,label).
   *
   * @author Tony Chemit - chemit@codelutin.com
   * @since 2.4
   */
  public class SampleCategoryModelConverter implements NuitonConverter {
  
      @Override
      public <T> T convert(Class<T> aClass, Object value) {
          Preconditions.checkNotNull(
                  value, "Can not convert a null SampleCategoryModel");
          if (isEnabled(aClass)) {
              Object result;
              if (isEnabled(value.getClass())) {
                  result = value;
                  return (T) result;
              }
              if (value instanceof String) {
  
                  List<SampleCategoryModelEntry> entries = Lists.newArrayList();
  
                  String strValue = (String) value;
  
                  if (StringUtils.isNotEmpty(strValue)) {
                      String[] entryStrs = strValue.split("\\s*\\|\\s*");
  
                      for (String entryStr : entryStrs) {
                          String[] entryParts = entryStr.split("\\s*\\,\\s*");
                          SampleCategoryModelEntry entry = new SampleCategoryModelEntry();
                          entry.setCategoryId(Integer.valueOf(entryParts[0]));
                          entry.setLabel(entryParts[1]);
                          if (entryParts.length > 2) {
                              entry.setCode(entryParts[2]);
                          } else {
                              entry.setCode(SampleCategoryModels.getCode(entryParts[1]));
                          }
                          entry.setOrder(entries.size());
                          entries.add(entry);
                      }
                  }
                  result = new SampleCategoryModel(entries);
                  return (T) result;
              }
          }
          throw new ConversionException(
                  t("tutti.persistence.error.no.convertor", aClass.getName(), value));
      }
  
      protected boolean isEnabled(Class<?> aClass) {
          return SampleCategoryModel.class.equals(aClass);
      }
  
      @Override
      public Class<?> getType() {
          return SampleCategoryModel.class;
      }
  }