working two way mapping

service/src/main/java/CTFApplication.java

 import api.ExampleResource;
+import com.google.common.collect.Lists;
 import com.mongodb.*;
 import com.mongodb.client.FindIterable;
 import com.mongodb.client.MongoCollection;
@@ -15,8 +16,12 @@ import persistence.MongoRepositories;
 import repositories.Repositories;
 import stub.MongoConfiguration;
 
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.UUID;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 /**
  * Created by gpietrus on 16.02.16.
@@ -32,49 +37,22 @@ public class CTFApplication extends Application<ApplicationConfiguration> {
     public static void main(String[] args) throws Exception {
 
         //todo: add mongo-java-driver as maven dep
-/*
-        MongoSession session = MongoConfiguration.createSession();
-        session.start();
-        Repositories.initialise(new MongoRepositories(session));
-        Repositories.fruits().add(new Fruit("apple"));
-        session.stop();
-*/
-        //new CTFApplication().run(args);
-
         User user = new User(String.valueOf(UUID.randomUUID()), "mehow");
 
         MongoClient mongoClient = new MongoClient("localhost", 27017);
         MongoDatabase database = mongoClient.getDatabase("db");
 
-
-//        database.createCollection("users"); //todo:
         MongoCollection<Document> usersCollection = database.getCollection("users");
 
+        usersCollection.drop(); //todo: remove
 
         usersCollection.insertOne(new Document(user.toMap()));
 
-//        usersCollection.insertOne(new Document()
-//                .append("username", "gpietrus")
-//                .append("age", 1)
-//                );
-
-        BasicDBList documents = usersCollection.find().into(new BasicDBList());
-
-
-/*
-        MongoIterable<String> strings = database.listCollectionNames();
-
-        MongoCollection<Document> collection = database.getCollection("test");
-
-        FindIterable<Document> documents = collection.find();
-
-        Document doc = new Document("name", "MongoDB")
-                .append("type", "database")
-                .append("count", 1)
-                .append("info", new Document("x", 203).append("y", 102));
+        ArrayList<Document> usersDocuments = DBUtils.toList(usersCollection.find());
 
-        collection.insertOne(doc);
-*/
+        List<Object> users = usersDocuments.stream()
+                .map(User::new)
+                .collect(Collectors.toList());
 
     }
 }

service/src/main/java/DBUtils.java

+import com.mongodb.client.FindIterable;
+import org.bson.Document;
+
+import java.util.ArrayList;
+
+/**
+ * Created by gpietrus on 20.02.2016.
+ */
+public class DBUtils {
+    public static ArrayList<Document> toList(FindIterable<Document> documents) {
+        ArrayList<Document> into = documents.into(new ArrayList<Document>());
+        return into;
+    }
+}

service/src/main/java/objects/User.java

 package objects;
 
 import com.google.common.collect.ImmutableMap;
+import org.bson.Document;
 
-import java.util.HashMap;
 import java.util.Map;
 
 /**
  * Created by gpietrus on 16.02.16.
  */
 public class User {
-//    private UUID id; //todo: should be chosen by mongo?
+    //    private UUID id; //todo: should be chosen by mongo?
     private String username;
     private String password;
 
-//    public User(UUID id, String username, String password) {
+    public User(Document document) {
+        //todo: check nulls
+        this.username = document.get("username").toString();
+        this.password = document.get("password").toString();
+    }
+
     public User(String username, String password) {
 //        this.id = id;
         this.username = username;
         this.password = password;
     }
 
-    public String getUsername()
-    {
+    public String getUsername() {
         return username;
     }
 
-    public void setUsername(String username)
-    {
+    public void setUsername(String username) {
         this.username = username;
     }
 
-    public String getPassword()
-    {
+    public String getPassword() {
         return password;
     }
 
-    public void setPassword(String password)
-    {
+    public void setPassword(String password) {
         this.password = password;
     }