AlarmConfigProperties.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.monitor.engine.alarm;

import java.io.File;
import java.io.FileInputStream;
import java.util.Properties;

import org.openspcoop2.monitor.engine.exceptions.EngineException;
import org.openspcoop2.utils.UtilsException;


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

    
    /** Copia Statica */
    private static AlarmConfigProperties alarmConfigProperties = null;
    private static AlarmEngineConfig alarmEngineConfig = null;

//  public static AlarmEngineConfig getAlarmConfiguration(org.slf4j.Logger log, String confDir, boolean useDefaultIfNotFound) throws Exception{
//      return getAlarmConfiguration(log, null, confDir, useDefaultIfNotFound);
//  }
    public static AlarmEngineConfig getAlarmConfiguration(org.slf4j.Logger log,String filePath, String confDir) throws Exception{
        return getAlarmConfiguration(log, filePath, confDir, true);
    }
    public static AlarmEngineConfig getAlarmConfiguration(org.slf4j.Logger log,String filePath, String confDir, boolean useDefaultIfNotFound) throws Exception{

        if(AlarmConfigProperties.alarmConfigProperties==null){
            return _getAlarmConfiguration(log, filePath, confDir, useDefaultIfNotFound);
        }else{
            return AlarmConfigProperties.alarmEngineConfig;
        }
    }
    
    private static synchronized AlarmEngineConfig _getAlarmConfiguration(org.slf4j.Logger log,String filePath, String confDir, boolean useDefaultIfNotFound) throws Exception{

        if(AlarmConfigProperties.alarmConfigProperties==null){
            AlarmConfigProperties.alarmConfigProperties = new AlarmConfigProperties(log,filePath, confDir, useDefaultIfNotFound);
            AlarmConfigProperties.alarmEngineConfig = AlarmEngineConfig.readAlarmEngineConfig(log, alarmConfigProperties);
        }

        return AlarmConfigProperties.alarmEngineConfig;
        
    }
    
    
    
    /* ********  F I E L D S  P R I V A T I  ******** */

    /** Reader delle proprieta' impostate nel file 'alarmConfig.properties' */
    private AlarmConfigInstanceProperties reader;





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

    /**
     * Viene chiamato in causa per istanziare il properties reader
     *
     * 
     */
    public AlarmConfigProperties(org.slf4j.Logger log,String filePat, String confDir, boolean useDefaultIfNotFound) throws EngineException{

        /* ---- Lettura del cammino del file di configurazione ---- */

        Properties p = new Properties();
        java.io.InputStream properties = null;
        try{  
            File f = new File(filePat);
            if(f.exists()){
                properties = new FileInputStream(f);
            }
            else{
                properties = AlarmConfigProperties.class.getResourceAsStream(filePat);
                if(properties==null && !filePat.startsWith("/")){
                    properties = AlarmConfigProperties.class.getResourceAsStream("/"+filePat);
                }
            }
            if(properties==null) {
                properties = AlarmConfigProperties.class.getResourceAsStream("/org/openspcoop2/monitor/engine/alarm/allarmi_configurazione.properties");
            }
            if(properties==null){
                throw new Exception("Properties "+filePat+" not found");
            }
            p.load(properties);
            properties.close();
        }catch(Exception e) {
            log.error("Riscontrato errore durante la lettura del file '"+filePat+"': "+e.getMessage(),e);
            try{
                if(properties!=null)
                    properties.close();
            }catch(Exception er){
                // close
            }
            throw new EngineException(e.getMessage(),e);
        }   
    
        try{
            //this.reader = new PropertiesReader(p, true);
            this.reader = new AlarmConfigInstanceProperties(p, log, confDir);
        }catch(Exception e){
            throw new EngineException(e.getMessage(),e);
        }
        
    }

    
    
    
    
    /* ********  P R O P E R T I E S  ******** */

    public String getProperty(String name,String defaultValue, boolean convertEnvProperty) throws UtilsException{
        String tmp = null;
        if(convertEnvProperty){
            tmp = this.reader.getValueConvertEnvProperties(name);
        }else{
            tmp = this.reader.getValue(name);
        }
        if(tmp==null){
            return defaultValue;
        }
        else{
            return tmp.trim();
        }
    }
    public String getProperty(String name,boolean required, boolean convertEnvProperty) throws UtilsException{
        String tmp = null;
        if(convertEnvProperty){
            tmp = this.reader.getValueConvertEnvProperties(name);
        }else{
            tmp = this.reader.getValue(name);
        }
        if(tmp==null){
            if(required){
                throw new UtilsException("Property ["+name+"] not found");
            }
        }
        if(tmp!=null){
            return tmp.trim();
        }else{
            return null;
        }
    }
    
}