ADD Flight Choice Prediction + fix POST

Add the support for Flight Choice Prediction and fix the POST method

add support for oraclejdk11 / openjdk10/ openjdk11

revert java versions

oraclejdk is not available anymore. Switch to openjdk

Disable jdk 9 tests

.travis.yml

@@ -3,9 +3,11 @@ install: true
 
 sudo: false
 jdk:
-  - oraclejdk8
-  - oraclejdk9
   - openjdk8
+#  JDK 9 disable because of TravisCI problems
+# https://travis-ci.community/t/install-jdk-sh-failing-for-openjdk9-and-10/3998/17
+#  - openjdk9
+
 
 before_install:
   - chmod +x gradlew

README.md

@@ -225,6 +225,19 @@ FlightOffer[] flightOffers = amadeus.shopping.flightOffers.get(Params
   .and("destination", "MAD")
   .and("departureDate", "2019-08-01"));
 
+// Flight Choice Prediction
+// Note that the example calls 2 APIs: Flight Low-fare Search & Flight Choice Prediction
+FlightOffer[] flightOffers = amadeus.shopping.flightOffers
+        .get(Params.with("origin", "MAD").and("destination", "NYC").and("departureDate", "2020-01-01").and("max", "2"));
+
+// Using a JSonObject
+JsonObject result = flightOffers[0].getResponse().getResult();
+FlightOffer[] flightOffersPrediction = amadeus.shopping.flightOffers.prediction.post(result);
+
+// Using a String
+String body = flightOffers[0].getResponse().getBody();
+FlightOffer[] flightOffersPrediction = amadeus.shopping.flightOffers.prediction.post(body);
+
 // Flight Check-in Links
 CheckinLink[] checkinLinks = amadeus.referenceData.urls.checkinLinks.get(Params
   .with("airlineCode", "BA"));

src/main/java/com/amadeus/Amadeus.java

@@ -83,7 +83,7 @@ public static Configuration builder(@NonNull String clientId, @NonNull String cl
    */
   public static Configuration builder(Map<String, String> environment) {
     String clientId = environment.get("AMADEUS_CLIENT_ID");
-    String clientSecret = environment.get("AMADEUS_CLIENT_ID");
+    String clientSecret = environment.get("AMADEUS_CLIENT_SECRET");
 
     Configuration configuration = Amadeus.builder(clientId, clientSecret);
     configuration.parseEnvironment(environment);

src/main/java/com/amadeus/HTTPClient.java

@@ -5,6 +5,7 @@
 import com.amadeus.exceptions.NetworkException;
 import com.amadeus.exceptions.ResponseException;
 import com.amadeus.resources.Resource;
+import com.google.gson.JsonObject;
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStream;
@@ -36,7 +37,7 @@ protected HTTPClient(Configuration configuration) {
    * @see Amadeus#get(String, Params)
    */
   public Response get(String path) throws ResponseException {
-    return request(Constants.GET, path, null);
+    return request(Constants.GET, path, null,null);
   }
 
   /**
@@ -63,7 +64,7 @@ public Response get(String path) throws ResponseException {
    * @return a Response object containing the status code, body, and parsed data.
    */
   public Response get(String path, Params params) throws ResponseException {
-    return request(Constants.GET, path, params);
+    return request(Constants.GET, path, params, null);
   }
 
   /**
@@ -73,7 +74,7 @@ public Response get(String path, Params params) throws ResponseException {
    * @see Amadeus#post(String, Params)
    */
   public Response post(String path) throws ResponseException {
-    return request(Constants.POST, path, null);
+    return request(Constants.POST, path, null, null);
   }
 
   /**
@@ -100,7 +101,57 @@ public Response post(String path) throws ResponseException {
    * @return a Response object containing the status code, body, and parsed data.
    */
   public Response post(String path, Params params) throws ResponseException {
-    return request(Constants.POST, path, params);
+    return request(Constants.POST, path, params, null);
+  }
+
+  /**
+   * <p>
+   *   A helper module for making generic POST requests calls. It is used by
+   *   every namespaced API POST method.
+   * </p>
+   *
+   * <pre>
+   *   amadeus.foo.bar.post(Params.with("airline", "1X"));
+   * </pre>
+   *
+   * <p>
+   *   It can be used to make any generic API call that is automatically
+   *   authenticated using your API credentials:
+   * </p>
+   *
+   * <pre>
+   *    amadeus.post("/v1/foo/bar", Params.with("airline", "1X"));
+   * </pre>
+   *
+   * @param path The full path for the API call
+   * @param body The optional POST params to pass to the API
+   * @return a Response object containing the status code, body, and parsed data.
+   */
+  public Response post(String path, String body) throws ResponseException {
+    return request(Constants.POST, path, null, body);
+  }
+
+  /**
+   * <p>
+   *   A helper module for making generic POST requests calls. It is used by
+   *   every namespaced API POST method.
+   * </p>
+   *
+   * <p>
+   *   It can be used to make any generic API call that is automatically
+   *   authenticated using your API credentials:
+   * </p>
+   *
+   * <pre>
+   *    amadeus.post("/v1/foo/bar", { "foo" : "bar" })
+   * </pre>
+   *
+   * @param path The full path for the API call
+   * @param body The POST JsonObject body to pass to the API
+   * @return a Response object containing the status code, body, and parsed data.
+   */
+  public Response post(String path, JsonObject body) throws ResponseException {
+    return request(Constants.POST, path, null, body.toString());
   }
 
   /**
@@ -110,9 +161,9 @@ public Response post(String path, Params params) throws ResponseException {
    *
    * @hides as only used internally
    */
-  public Response unauthenticatedRequest(String verb, String path, Params params,
-                                         String bearerToken) throws ResponseException {
-    Request request = buildRequest(verb, path, params, bearerToken);
+  public Response unauthenticatedRequest(String verb, String path, Params params, String body,
+      String bearerToken) throws ResponseException {
+    Request request = buildRequest(verb, path, params, body, bearerToken);
     log(request);
     return execute(request);
   }
@@ -198,13 +249,15 @@ public Resource[] last(Resource resource) throws ResponseException {
   }
 
   // A generic method for making requests of any verb.
-  protected Response request(String verb, String path, Params params) throws ResponseException {
-    return unauthenticatedRequest(verb, path, params, accessToken.getBearerToken());
+  protected Response request(String verb, String path, Params params, String body)
+      throws ResponseException {
+    return unauthenticatedRequest(verb, path, params, body, accessToken.getBearerToken());
   }
 
   // Builds a request
-  protected Request buildRequest(String verb, String path, Params params, String bearerToken) {
-    return new Request(verb, path, params, bearerToken, this);
+  protected Request buildRequest(String verb, String path, Params params, String body,
+      String bearerToken) {
+    return new Request(verb, path, params, body, bearerToken, this);
   }
 
   // A simple log that only triggers if we are in debug mode
@@ -238,6 +291,8 @@ private Request fetch(Request request) throws NetworkException {
 
   // Writes the parameters to the request.
   private void write(Request request) throws IOException {
+
+
     if (request.getVerb() == Constants.POST && request.getParams() != null) {
       OutputStream os = request.getConnection().getOutputStream();
       BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
@@ -246,6 +301,16 @@ private void write(Request request) throws IOException {
       writer.close();
       os.close();
     }
+    if (request.getVerb() == Constants.POST && request.getParams() == null) {
+      OutputStream os = request.getConnection().getOutputStream();
+      BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
+      if (request.getBody() != null) {
+        writer.write(request.getBody());
+      }
+      writer.flush();
+      writer.close();
+      os.close();
+    }
   }
 
   /**
@@ -263,7 +328,7 @@ protected Response page(String pageName, Response response) throws ResponseExcep
       Params params = (Params) request.getParams().clone();
       params.put("page[offset]", pageNumber);
 
-      return request(request.getVerb(), request.getPath(), params);
+      return request(request.getVerb(), request.getPath(), params, "emptyBody");
     } catch (NullPointerException e) {
       return null;
     }
@@ -277,4 +342,4 @@ protected Resource[] page(String pageName, Resource resource) throws ResponseExc
     Response response = page(pageName, resource.getResponse());
     return Resource.fromArray(response, resource.getDeSerializationClass());
   }
-}
+}

src/main/java/com/amadeus/Request.java

@@ -2,6 +2,7 @@
 
 import com.amadeus.Constants;
 
+import com.google.gson.JsonElement;
 import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
@@ -40,6 +41,10 @@ public class Request {
    * The params to send to the API endpoint.
    */
   private @Getter Params params;
+  /**
+   * The body to send to the API endpoint.
+   */
+  private @Getter String body;
   /**
    * The bearer token used to authenticate the API call.
    */
@@ -80,14 +85,15 @@ public class Request {
   // The connection used to make the API call.
   private @Getter HttpURLConnection connection;
 
-  protected Request(String verb, String path, Params params, String bearerToken,
+  protected Request(String verb, String path, Params params, String body, String bearerToken,
                  HTTPClient client) {
     Configuration config = client.getConfiguration();
 
     this.verb = verb;
     this.host = config.getHost();
     this.path = path;
     this.params = params;
+    this.body = body;
     this.bearerToken = bearerToken;
     this.languageVersion = System.getProperty("java.version");
     this.clientVersion = Amadeus.VERSION;
@@ -130,6 +136,7 @@ private void prepareHeaders() {
     this.headers = new HashMap<String, String>();
     headers.put(Constants.USER_AGENT, buildUserAgent());
     headers.put(Constants.ACCEPT, "application/json, application/vnd.amadeus+json");
+
     if (bearerToken != null) {
       headers.put(Constants.AUTHORIZATION, bearerToken);
     }

src/main/java/com/amadeus/client/AccessToken.java

@@ -70,7 +70,8 @@ private Response fetchAccessToken() throws ResponseException {
             Params.with(Constants.GRANT_TYPE, Constants.CLIENT_CREDENTIALS)
                   .and(Constants.CLIENT_ID, config.getClientId())
                   .and(Constants.CLIENT_SECRET, config.getClientSecret()),
-           null
+        null,
+        null
     );
   }
 

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

@@ -15,6 +15,7 @@ protected FlightOffer() {}
   private @Getter String type;
   private @Getter String id;
   private @Getter OfferItem[] offerItems;
+  private @Getter String choiceProbability;
 
   /**
    * An FlightOffer-related object as returned by the FlightOffers API.

src/main/java/com/amadeus/shopping/FlightOffers.java

@@ -6,6 +6,7 @@
 import com.amadeus.exceptions.ResponseException;
 import com.amadeus.resources.FlightOffer;
 import com.amadeus.resources.Resource;
+import com.amadeus.shopping.flightOffers.Prediction;
 import com.google.gson.Gson;
 
 /**
@@ -24,13 +25,15 @@
  */
 public class FlightOffers {
   private Amadeus client;
+  public Prediction prediction;
 
   /**
    * Constructor.
    * @hide
    */
   public FlightOffers(Amadeus client) {
     this.client = client;
+    this.prediction = new Prediction(client);
   }
 
   /**

src/main/java/com/amadeus/shopping/flightOffers/Prediction.java

@@ -0,0 +1,88 @@
+package com.amadeus.shopping.flightOffers;
+
+import com.amadeus.Amadeus;
+import com.amadeus.Response;
+import com.amadeus.exceptions.ResponseException;
+import com.amadeus.resources.FlightOffer;
+import com.amadeus.resources.Resource;
+
+import com.google.gson.JsonObject;
+
+
+
+
+
+/**
+ * <p>
+ * A namespaced client for the
+ * <code>/v1/shopping/flight-offers/prediction</code> endpoints.
+ * </p>
+ *
+ * <p>
+ * Access via the Amadeus client object.
+ * </p>
+ *
+ * <pre>
+ * Amadeus amadeus = Amadeus.builder(API_KEY, API_SECRET).build();
+ * amadeus.shopping.flightOffers.prediction;</pre>
+ */
+public class Prediction {
+
+  private Amadeus client;
+
+  /**
+   * Constructor.
+   *
+   * @hide
+   */
+  public Prediction(Amadeus client) {
+    this.client = client;
+  }
+
+  /**
+   * <p>
+   * This machine learning API is based on a prediction model that takes the response of a flight
+   * search as input (Flight Low-fare Search) and predict, for each itinerary, the probably for a
+   * travel to select it.
+   * </p>
+   *
+   * <pre>
+   * amadeus.shopping.flightOffers.prediction.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 FlightOffer[] post(JsonObject body) throws ResponseException {
+    Response response = client.post("/v1/shopping/flight-offers/prediction", body);
+    return (FlightOffer[]) Resource.fromArray(response, FlightOffer[].class);
+  }
+
+  /**
+   * <p>
+   * This machine learning API is based on a prediction model that takes the response of a flight
+   * search as input (Flight Low-fare Search) and predict, for each itinerary, the probably for a
+   * travel to select it.
+   * </p>
+   *
+   * <pre>
+   * amadeus.shopping.flightOffers.prediction.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 FlightOffer[] post(String body) throws ResponseException {
+    Response response = client.post("/v1/shopping/flight-offers/prediction", body);
+    return (FlightOffer[]) Resource.fromArray(response, FlightOffer[].class);
+  }
+
+  /**
+   * Convenience method for calling <code>post</code> without any parameters.
+   *
+   * @see Prediction#post()
+   */
+  public FlightOffer[] post() throws ResponseException {
+    return post((String) null);
+  }
+}