Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package spring.boot.nomaven; import com.mongodb.BasicDBObject; import com.mongodb.DB; import com.mongodb.DBCollection; import com.mongodb.DBObject; import com.mongodb.MongoClient; import com.mongodb.MongoClientURI; /** * * @author campitos */ public class MongoCero { public MongoCero() { } public Mensaje buscarPorLogin(String login) { Mensaje p = new Mensaje(); MongoClient mongoClient = null; try { mongoClient = new MongoClient( new MongoClientURI("mongodb://campitos:raton@ds035563.mongolab.com:35563/unitec")); DB e = mongoClient.getDB("unitec"); DBCollection collection = e.getCollection("profesor"); BasicDBObject query = new BasicDBObject("login", login); DBObject objeto = collection.findOne(query); String pas = (String) objeto.get("password"); String logino = (String) objeto.get("login"); System.out.println("Hasta aqui todo va bien:" + pas); if (pas != null) { //p.setLogin(logino); //p.setPassword(pas); } else { p = null; } } catch (Exception var10) { System.out.println("algo malo:" + var10.getMessage()); } return p; } }