public static void main(String[] args) throws UnknownHostException {

String server = args[0];

String user = "CN=client,OU=kerneluser,O=10Gen,L=New York City,ST=New York,C=US";

System.out.println("server: " + server);

System.out.println("user: " + user);

System.out.println();

MongoClient mongoClient = new MongoClient(new ServerAddress(server),

Arrays.asList(MongoCredential.createMongoX509Credential(user)),

new MongoClientOptions.Builder().socketFactory(SSLSocketFactory.getDefault()).build());

DB testDB = mongoClient.getDB("test");

System.out.println("Count: " + testDB.getCollection("test").count());

System.out.println("Insert result: " + testDB.getCollection("test").insert(new BasicDBObject()));

}