Servlet de connexion

package com.aerolitec.database;

import com.mongodb.DB;
import com.mongodb.MongoClient;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import java.net.UnknownHostException;
import java.util.Arrays;


/**
 * Created by Damien on 28/08/2014.
 */
public class MakeConnection implements ServletContextListener {


    @Override
    public void contextInitialized(ServletContextEvent sce) {

        MongoClient mongoClient = null;
        MongoCredential credential = MongoCredential.createMongoCRCredential("damien","oauth","toto".toCharArray());
        try {
            mongoClient = new MongoClient(new ServerAddress("localhost"), Arrays.asList(credential));

        } catch (UnknownHostException e) {
            e.printStackTrace();
        }

        DB db = mongoClient.getDB("oauth");
        Db.databse = db;

    }

    @Override
    public void contextDestroyed(ServletContextEvent sce) {

    }
}