Java Web Application Properties

import java.io.IOException;

import java.io.InputStream;

import java.util.Properties;

import java.util.logging.Level;

import java.util.logging.Logger;

public class ApplicationConfig {

    private static Properties properties;

    private static ApplicationConfig config;

    static {

        config = new ApplicationConfig();

    }

    private ApplicationConfig ()  {

        try {

            InputStream in =           this.getClass().getClassLoader().getResourceAsStream("config.properties");

            properties = new Properties();

            properties.load(in);

        } catch (IOException ex) {

            Logger.getLogger(ApplicationConfig.class.getName()).log(Level.SEVERE, null, ex);

        }

    }

    public static ApplicationConfig getApplicationConfig () {

            return config;

    }

    public String getProperty (String propName) {

        return properties.getProperty(propName, "Null");

    }      

}