com.payneteasy.mysql.scheduler.SchedulerConfig Maven / Gradle / Ivy

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package com.payneteasy.mysql.scheduler;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.StringUtils;

import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class SchedulerConfig {
    
    private static final Logger LOG = LoggerFactory.getLogger(SchedulerConfig.class);
    
    private static Map theMap ;
    
    public enum Config { 
        
        MAX_THREADS("15")
        , MAX_IDLE("15")
        , SLEEP_MS("20000")
        , URL("jdbc:mysql://localhost:3306/sched" +
                "?logger=Slf4JLogger" +
                "&noAccessToProcedureBodies=true" +
                "&useInformationSchema=true" +
                "&autoReconnect=false" +
                "&characterEncoding=utf8")
        , USERNAME("java_sched")
        , PASSWORD("123java_sched123")
        , WAIT_SHUTDOWN_SECONDS("900")
        ;
        
        Config(String aValue) {
            theValue = aValue;
        }
        
        
        private String theValue;
    }

    
    static {

        Properties fileProperties = new Properties();

        final String config_file = System.getProperty("CONFIG_FILE");
        if(StringUtils.hasText(config_file)) {
            LOG.info("Loading config file {}...", config_file);
            try {
                FileReader in = new FileReader(config_file);
                try {
                    fileProperties.load(in);
                } catch (IOException e) {
                    in.close();
                }
            } catch (IOException e) {
                LOG.error("Error reading properties from "+config_file, e);
                System.exit(1);
            }
        }
        
        LOG.info("Config values:");
        theMap = new HashMap();        
        for (Config config : Config.values()) {
            String value = System.getProperty(config.name());
            if(!StringUtils.hasText(value)) {
                value = fileProperties.getProperty(config.name(), config.theValue);
            }

            LOG.info("    {} = {}", config, config==Config.PASSWORD ? "xxxx" : value);
            theMap.put(config, value);
        }
    }
    
    public static String getConfig(Config aConfig) {
        return theMap.get(aConfig);
    }

    public static int getIntConfig(Config aConfig) {
        return Integer.parseInt(theMap.get(aConfig));
    }
    
    
}