content: /*
   * Copyright (C) 2012-2023 52°North Spatial Information Research GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *     - Apache License, version 2.0
   *     - Apache Software License, version 1.0
   *     - GNU Lesser General Public License, version 3
   *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
   *     - Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * 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.
   */
  package org.n52.series.db.da.sos;
  
  import javax.inject.Inject;
  
  import org.hibernate.Session;
  import org.n52.iceland.ds.ConnectionProvider;
  import org.n52.iceland.ds.ConnectionProviderException;
  import org.n52.series.db.old.HibernateSessionStore;
  import org.n52.shetland.ogc.ows.exception.CodedException;
  import org.n52.shetland.ogc.ows.exception.NoApplicableCodeException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class SOSHibernateSessionHolder implements HibernateSessionStore {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(SOSHibernateSessionHolder.class);
  
      private static final String DATASOURCE_PROPERTIES = "/datasource.properties";
  
      private ConnectionProvider connectionProvider;
  
      @Inject
      public void setConnectionProvider(ConnectionProvider connectionProvider) {
          this.connectionProvider = connectionProvider;
      }
  
      private static void throwNewDatabaseConnectionException() {
          throw new RuntimeException("Could not establish database connection.");
      }
  
      @Override
      public Session getSession() {
          try {
              return getSession(getConnectionProvider().getConnection());
          } catch (CodedException | ConnectionProviderException cpe) {
              throwNewDatabaseConnectionException();
          }
          return null;
      }
  
      public static Session getSession(Object connection) throws CodedException {
          if (connection == null) {
              throw new NoApplicableCodeException().withMessage("The parameter connection is null!");
          }
          if (!(connection instanceof Session)) {
              throw new NoApplicableCodeException().withMessage("The parameter connection is not an Hibernate Session!");
          }
          return (Session) connection;
      }
  
      @Override
      public void returnSession(Session session) {
          getConnectionProvider().returnConnection(session);
      }
  
      @Override
      public void shutdown() {
  
      }
  
      public ConnectionProvider getConnectionProvider() {
          return this.connectionProvider;
      }
  
  }
  