How to Authenticate User 

MongoDB is a scalable, high-performance, open source NoSQL database. It offers Ad hoc queries, Indexing, Replication, Load balancing, File storage (GridFS), Aggregation, MapReduce and Server-side JavaScript execution. This requires the library mongo-2.8.0.jar to be present in the classpath. The following example shows how to authenticate a user in MongoDB.

File Name  :   com/bethecoder/tutorials/mongodb/tests/UserAuthenticationTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.mongodb.tests; import java.net.UnknownHostException; import com.mongodb.DB; import com.mongodb.Mongo; import com.mongodb.MongoException; public class UserAuthenticationTest {   public static void main(String[] args) {     try {       //Connect to mongoDB with given IP and PORT       Mongo mongo = new Mongo("localhost", 27017);              //Get the database object       DB database = mongo.getDB("mytestdb");       //Authenticates the user against the given database       //Return true if authenticated, false otherwise       boolean authFlag = database.authenticate("user1", "mypassword1".toCharArray());       System.out.println("authFlag : " + authFlag);     } catch (UnknownHostException e) {       e.printStackTrace();     } catch (MongoException e) {       e.printStackTrace();     }   } }

authFlag : true