add support for hotel booking v2

src/main/java/com/amadeus/Booking.java

@@ -3,6 +3,7 @@
 import com.amadeus.booking.FlightOrder;
 import com.amadeus.booking.FlightOrders;
 import com.amadeus.booking.HotelBookings;
+import com.amadeus.booking.HotelOrders;
 
 public class Booking {
   private Amadeus client;
@@ -31,6 +32,14 @@ public class Booking {
    */
   public HotelBookings hotelBookings;
 
+  /**
+   * <p>
+   *   A namespaced client for the
+   *   <code>/v1/booking/hotelOrders</code> endpoints.
+   * </p>
+   */
+  public HotelOrders hotelOrders;
+
   /**
    * Constructor.
    * @hide
@@ -39,6 +48,7 @@ public Booking(Amadeus client) {
     this.client = client;
     this.flightOrders = new FlightOrders(client);
     this.hotelBookings = new HotelBookings(client);
+    this.hotelOrders = new HotelOrders(client);
   }
 
   public FlightOrder flightOrder(String flightOrderId) {

src/main/java/com/amadeus/booking/HotelOrders.java

@@ -0,0 +1,78 @@
+package com.amadeus.booking;
+
+import com.amadeus.Amadeus;
+import com.amadeus.Response;
+import com.amadeus.exceptions.ResponseException;
+import com.amadeus.resources.HotelOrder;
+import com.amadeus.resources.Resource;
+import com.google.gson.JsonObject;
+
+/**
+ * <p>
+ * A namespaced client for the
+ * <code>/v2/booking/hotel-orders</code> endpoints.
+ * </p>
+ *
+ * <p>
+ * Access via the Amadeus client object.
+ * </p>
+ *
+ * <pre>
+ * Amadeus amadeus = Amadeus.builder(API_KEY, API_SECRET).build();
+ * amadeus.booking.HotelOrders;</pre>
+ */
+public class HotelOrders {
+  private Amadeus client;
+
+  /**
+   * Constructor.
+   *
+   * @hide
+   */
+  public HotelOrders(Amadeus client) {
+    this.client = client;
+  }
+
+  /**
+   * <p>
+   * The Hotel Booking API allows you to perform hotel booking.
+   * </p>
+   *
+   * <pre>
+   * amadeus.booking.hotelOrders.post(body);</pre>
+   *
+   * @param body the parameters to send to the API as a JSonObject
+   * @return an API resource
+   * @throws ResponseException when an exception occurs
+   */
+  public HotelOrder post(JsonObject body) throws ResponseException {
+    Response response = client.post("/v2/booking/hotel-orders", body);
+    return (HotelOrder) Resource.fromObject(response, HotelOrder.class);
+  }
+
+  /**
+   * <p>
+   * The Hotel Booking API allows you to perform hotel booking.
+   * </p>
+   *
+   * <pre>
+   * amadeus.booking.hotelOrders.post(body);</pre>
+   *
+   * @param body the parameters to send to the API as a String
+   * @return an API resource
+   * @throws ResponseException when an exception occurs
+   */
+  public HotelOrder post(String body) throws ResponseException {
+    Response response = client.post("/v2/booking/hotel-orders", body);
+    return (HotelOrder) Resource.fromObject(response, HotelOrder.class);
+  }
+
+  /**
+   * Convenience method for calling <code>post</code> without any parameters.
+   *
+   * @see HotelBookings#post()
+   */
+  public HotelOrder post() throws ResponseException {
+    return post((String) null);
+  }
+}

src/main/java/com/amadeus/resources/Hotel.java

@@ -1,6 +1,5 @@
 package com.amadeus.resources;
 
-import com.google.gson.annotations.SerializedName;
 import lombok.Getter;
 import lombok.ToString;
 

src/main/java/com/amadeus/resources/HotelOrder.java

@@ -0,0 +1,91 @@
+package com.amadeus.resources;
+
+import com.amadeus.resources.HotelOfferSearch.Offer;
+import lombok.Getter;
+import lombok.ToString;
+
+/**
+ * An HotelOrder object as returned by the Hotel Booking v2 API.
+ * @see com.amadeus.booking.HotelOrders#get()
+ */
+@ToString
+public class HotelOrder extends Resource {
+  private @Getter String self;
+  private @Getter String type;
+  private @Getter String id;
+  private @Getter HotelBooking[] hotelBookings;
+  private @Getter AssociatedRecord[] associatedRecords;
+  private @Getter Guest[]  guests;
+
+  protected HotelOrder() {}
+
+  @ToString
+  public static class HotelBooking {
+    private @Getter String type;
+    private @Getter String id;
+    private @Getter String bookingStatus;
+    private @Getter RoomAssociation[] roomAssociations;
+    private @Getter Offer hotelOffer;
+    private @Getter Hotel hotel;
+
+    protected HotelBooking() {}
+  }
+
+  @ToString
+  public static class RoomAssociation {
+    private @Getter String hotelOfferId;
+    private GuestReference[] guestReferences;
+    private @Getter String specialRequest;
+
+    protected RoomAssociation() {}
+  }
+
+  @ToString
+  public static class GuestReference {
+    private @Getter String guestReference;
+    private @Getter String hotelLoyaltyId;
+
+    protected GuestReference() {}
+  }
+
+  @ToString
+  public static class Guest {
+    private @Getter int tid;
+    private @Getter int id;
+    private @Getter FrequentTraveler[] frequentTraveler;
+    private @Getter String phone;
+    private @Getter String email;
+    private @Getter String title;
+    private @Getter String firstName;
+    private @Getter String lastName;
+    private @Getter Integer childAge;
+
+    protected Guest() {}
+  }
+
+  @ToString
+  public static class FrequentTraveler {
+    private @Getter String airlineCode;
+    private @Getter String frequentTravelerId;
+
+    protected FrequentTraveler() {}
+  }
+
+  @ToString
+  public static class AssociatedRecord {
+    private @Getter String reference;
+    private @Getter String originSystemCode;
+
+    protected AssociatedRecord() {}
+  }
+
+  @ToString
+  public static class Hotel {
+    private @Getter String hotelId;
+    private @Getter String chainCode;
+    private @Getter String name;
+    private @Getter String self;
+
+    protected Hotel() {}
+  }
+}