package dk.daoas.daoadresseservice;

import java.sql.SQLException;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;

/**
 * Application Lifecycle Listener implementation class ContextListener
 *
 */
@WebListener
public class ContextListener implements ServletContextListener {
	
	public static class DataLoader implements Runnable {
		ServletContext ctxt;
		public DataLoader(ServletContext ctxt) {
			this.ctxt = ctxt;
		}
		

		@Override
		public void run() {
	    	
	    	AdressSearch search = new AdressSearch();
	    	try {
	    		search.buildSearchStructures();
	    		ctxt.setAttribute("search", search);
	    	} catch (SQLException e) {
	    		System.out.println("Error loading data: " + e.getMessage());
	    	}
		}
		

	}


    public ContextListener() {
        // TODO Auto-generated constructor stub
    }

    public void contextDestroyed(ServletContextEvent ctxtEvt)  { 
         // TODO Auto-generated method stub
    }

    public void contextInitialized(ServletContextEvent ctxtEvt)  {
    	System.out.println("Starting DAO Context");
    	
    	ServletContext ctxt = ctxtEvt.getServletContext();
    	
    	Thread t = new Thread( new DataLoader(ctxt), "SearchDataLoader");
    	t.start();    	
    	
    	System.out.println("DAO Context done");
    }
	
}