DatabaseFactory.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * 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/>.
 *
 */
package org.openspcoop2.generic_project.utils;

import java.lang.reflect.Constructor;
import java.sql.Connection;
import java.util.Properties;

import javax.sql.DataSource;

import org.slf4j.Logger;
import org.openspcoop2.generic_project.exception.ServiceException;

/**
 * DatabaseFactory
 * 
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class DatabaseFactory<T> {

    private Logger log = null;
    private DatabaseProperties databaseProperties = null;
    private Class<T> cServiceManager = null;
    
    public DatabaseFactory(Class<T> cServiceManager,String PROPERTIES_LOCAL_PATH, String PROPERTIES_NAME, String nomeFileProperties,org.slf4j.Logger log) throws ServiceException{
        try{
            this.cServiceManager = cServiceManager;
            org.openspcoop2.generic_project.utils.DatabaseProperties.initialize(PROPERTIES_LOCAL_PATH, PROPERTIES_NAME, nomeFileProperties, log);
            this.log = log;
            this.databaseProperties = DatabaseProperties.getInstance(log); 
        }catch(Exception e){
            throw new ServiceException(e.getMessage(),e);
        }
    }
    

    
    private T getServiceManager(DataSource ds,Connection connection,Boolean isAutocommit) throws ServiceException{
        
        try{
        
            Constructor<T> constrServiceManager = null;
            T object = null;
            ServiceManagerProperties smProperties = this.databaseProperties.getServiceManagerProperties();
            if(isAutocommit!=null){
                smProperties.setAutomaticTransactionManagement(isAutocommit);
            }
            
            if(ds!=null){
                constrServiceManager = this.cServiceManager
                        .getConstructor(DataSource.class,
                                ServiceManagerProperties.class, Logger.class);
                object = constrServiceManager
                        .newInstance(ds,
                                smProperties,this.log);
            }   
            else if(connection!=null){
                constrServiceManager = this.cServiceManager
                        .getConstructor(Connection.class,
                                ServiceManagerProperties.class, Logger.class);
                object = constrServiceManager
                        .newInstance(connection,
                                smProperties,this.log);
            }
            else{   
                if(this.databaseProperties.isTipoAccessoTramiteDatasource()){
                    constrServiceManager = this.cServiceManager
                            .getConstructor(String.class, 
                                    Properties.class,
                                    ServiceManagerProperties.class, Logger.class);
                    object = constrServiceManager
                            .newInstance(this.databaseProperties.getDatasourceJNDIName(),
                                    this.databaseProperties.getDatasourceJNDIContext(),
                                    smProperties,this.log);
                }
                else{
                    constrServiceManager = this.cServiceManager
                            .getConstructor(String.class, 
                                    String.class, 
                                    String.class, 
                                    String.class,
                                    ServiceManagerProperties.class, Logger.class);
                    object = constrServiceManager
                            .newInstance(this.databaseProperties.getConnectionUrl(),
                                    this.databaseProperties.getConnectionDriverJDBC(),
                                    this.databaseProperties.getConnectionAuthUsername(),
                                    this.databaseProperties.getConnectionAuthPassword(),
                                    smProperties,this.log);
                }       
            }
            
            return object;
            
        }catch(Exception e){
            throw new ServiceException(e.getMessage(),e);
        }
    }
    
    
    
    // Metodi
    public Object getServiceManager() throws ServiceException{
        return this.getServiceManager(null, null, null);
    }
    public Object getServiceManager(boolean autoCommit) throws ServiceException{
        return this.getServiceManager(null, null, autoCommit);
    }
    public Object getServiceManager(DataSource ds) throws ServiceException{
        return this.getServiceManager(ds, null, null);
    }
    public Object getServiceManager(DataSource ds,boolean autoCommit) throws ServiceException{
        return this.getServiceManager(ds, null, autoCommit);
    }
    public Object getServiceManager(Connection connection) throws ServiceException{
        return this.getServiceManager(null, connection, null);
    }
    public Object getServiceManager(Connection connection,boolean autoCommit) throws ServiceException{
        return this.getServiceManager(null, connection, autoCommit);
    }
    
}