import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.configuration.PropertiesConfiguration;

public class Properties extends HttpServlet implements Servlet {

	public Properties() {
		super();
	}

	protected void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException {

		PrintWriter out = res.getWriter();
		try {
			// instantiate configuration instance from properties file
			PropertiesConfiguration config = new PropertiesConfiguration("conf.properties");
			// get welcome message string from config file
			out.println("welcome message is: "	+ config.getString("welcome message"));
			// get log treshold number from config file
			out.println("log treshold is: " + config.getInt("log treshold"));
			// get list of color values from properties file
			String colors[] = config.getStringArray("colors");
			for (int i = 0; i < colors.length; i++)
				out.println("color " + i + " = " + colors[i]);
			// get exit message string from config file
			out.println("exit message is: " + config.getString("exit message"));
		} catch (Exception e) {
			out.println(e.toString());
		} finally {
			out.close();
		}
	}

}