CSVToRelation.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.vcard;
 
import java.util.List;
import org.turro.contacts.BusinessRelation;
import org.turro.contacts.Contact;
import org.turro.contacts.db.ContactsPU;
import org.turro.csv.CSVEntry;
import org.turro.jpa.Dao;
 
public class CSVToRelation {
  
  private CSVEntry entry;
 
  public CSVToRelation(CSVEntry v) {
    entry = v;
  }
  
  public void create() {
    Dao dao = new ContactsPU();
    Contact main = null, related = null;
    String header = entry.getList().getHeader().getHeader("GID-MAIN");
    if(header != null) {
      String value = entry.getField(header);
      main = contactByGID(dao, value);
    }
    if(main == null) {
      header = entry.getList().getHeader().getPrefixHeader("ID-MAIN");
      if(header != null) {
        String prefixValue = null;
        if(header.length() > "ID-MAIN".length()) {
          prefixValue = header.substring("ID-MAIN".length() + 1);
        }
        String value = prefixValue == null ? entry.getField(header) :
                entry.getField(header).substring(prefixValue.length());
        main = contactByConnector(dao, "ID", value);
      }
    }
    header = entry.getList().getHeader().getPrefixHeader("CONNECTOR-REL");
    if(header != null) {
      String connector = null;
      if(header.length() > "CONNECTOR-REL".length()) {
        connector = header.substring("CONNECTOR-REL".length() + 1);
      }
      String value = entry.getField(header);
      related = contactByConnector(dao, connector, value);
    }
    if(main != null && related != null) {
      header = entry.getList().getHeader().getHeader("RELATION");
      if(header != null) {
        String value = entry.getField(header);
        BusinessRelation relation = new BusinessRelation();
        relation.setBusiness(main);
        relation.setContact(related);
        relation.setDescription(value == null ? "Contacto" : value);
        dao.saveObject(relation);
      }
    }
  }
 
  private Contact contactByGID(Dao dao, String value) {
    List l = dao.getResultList(
            "select c from Contact c where c.globalIdentifier = ?",
            new Object[] { value });
    if(l != null && l.size() > 0) {
      return (Contact) l.iterator().next();
    }
    return null;
  }
 
  private Contact contactByConnector(Dao dao, String connector, String value) {
    List l = dao.getResultList(
            "select distinct c.contact from Connector c where c.description = ? and c.value = ?",
            new Object[] { connector, value });
    if(l != null && l.size() > 0) {
      return (Contact) l.iterator().next();
    }
    return null;
  }
 
}