DatasourceProperties.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.core.monitor.rs.server.config;


import java.util.Properties;

import org.slf4j.Logger;
import org.openspcoop2.utils.LoggerWrapperFactory;
import org.openspcoop2.utils.UtilsException;


/**
* DatasourceProperties
*
* @author Andrea Poli (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
*/


public class DatasourceProperties { 

    /** Logger utilizzato per errori eventuali. */
    private Logger log = null;



    /* ********  F I E L D S  P R I V A T I  ******** */

    /** Reader delle proprieta' impostate nel file 'rs-api-monitor.datasource.properties' */
    private DatasourceInstanceProperties reader;

    /** Copia Statica */
    private static DatasourceProperties datasourceProperties = null;


    /* ********  C O S T R U T T O R E  ******** */

    /**
     * Viene chiamato in causa per istanziare il properties reader
     *
     * 
     */
    private DatasourceProperties(String confDir,Logger log) throws Exception {

        if(log!=null)
            this.log = log;
        else
            this.log = LoggerWrapperFactory.getLogger(DatasourceProperties.class);
        
        /* ---- Lettura del cammino del file di configurazione ---- */
        Properties propertiesReader = new Properties();
        java.io.InputStream properties = null;
        try{  
            properties = DatasourceProperties.class.getResourceAsStream("/rs-api-monitor.datasource.properties");
            if(properties==null){
                throw new Exception("File '/rs-api-monitor.datasource.properties' not found");
            }
            propertiesReader.load(properties);
        }catch(Exception e) {
            this.log.error("Riscontrato errore durante la lettura del file 'rs-api-monitor.datasource.properties': \n\n"+e.getMessage());
            throw new Exception("RS Api MonitorProperties initialize error: "+e.getMessage());
        }finally{
            try{
                if(properties!=null)
                    properties.close();
            }catch(Exception er){
                // close
            }
        }

        this.reader = new DatasourceInstanceProperties(propertiesReader, this.log, confDir);
    }


    /**
     * Il Metodo si occupa di inizializzare il propertiesReader 
     *
     * 
     */
    public static boolean initialize(String confDir,Logger log){

        try {
            DatasourceProperties.datasourceProperties = new DatasourceProperties(confDir,log);  
            return true;
        }
        catch(Exception e) {
            log.error("Errore durante l'inizializzazione del BackendProperties: "+e.getMessage(),e);
            return false;
        }
    }
    
    /**
     * Ritorna l'istanza di questa classe
     *
     * @return Istanza di Properties
     * 
     */
    public static DatasourceProperties getInstance() throws UtilsException{
        if(DatasourceProperties.datasourceProperties==null){
            // spotbugs warning 'SING_SINGLETON_GETTER_NOT_SYNCHRONIZED': l'istanza viene creata allo startup
            synchronized (DatasourceProperties.class) {
                throw new UtilsException("DatasourceProperties non inizializzato");
            }
        }
        return DatasourceProperties.datasourceProperties;
    }
    
    public static void updateLocalImplementation(Properties prop){
        DatasourceProperties.datasourceProperties.reader.setLocalObjectImplementation(prop);
    }








    /* ********  M E T O D I  ******** */

    private String readProperty(boolean required,String property) throws UtilsException{
        String tmp = this.reader.getValueConvertEnvProperties(property);
        if(tmp==null){
            if(required){
                throw new UtilsException("Property ["+property+"] not found");
            }
            else{
                return null;
            }
        }else{
            return tmp.trim();
        }
    }

    

    
    /* ----- DB -------- */
    
    public boolean isShowSql() throws UtilsException{
        return Boolean.parseBoolean(this.readProperty(true, "db.showSql"));
    }
    
    
    
    public String getConfigDataSource() throws UtilsException{
        return this.readProperty(true, "db.config.dataSource");
    }
    
    public Properties getConfigDataSourceContext() throws UtilsException{
        return this.reader.readPropertiesConvertEnvProperties("db.config.dataSource.property.");
    }
    
    public String getConfigTipoDatabase() throws UtilsException{
        return this.readProperty(true, "db.config.tipoDatabase");
    }
    
    
    public String getTracceDataSource() throws UtilsException{
        return this.readProperty(true, "db.tracce.dataSource");
    }
    
    public Properties getTracceDataSourceContext() throws UtilsException{
        return this.reader.readPropertiesConvertEnvProperties("db.tracce.dataSource.property.");
    }
    
    public String getTracceTipoDatabase() throws UtilsException{
        return this.readProperty(true, "db.tracce.tipoDatabase");
    }
    
    
    public String getStatisticheDataSource() throws UtilsException{
        return this.readProperty(true, "db.statistiche.dataSource");
    }
    
    public Properties getStatisticheDataSourceContext() throws UtilsException{
        return this.reader.readPropertiesConvertEnvProperties("db.statistiche.dataSource.property.");
    }
    
    public String getStatisticheTipoDatabase() throws UtilsException{
        return this.readProperty(true, "db.statistiche.tipoDatabase");
    }
    


}