Add lombok and retrieve engine endpoint

example/src/main/java/example/OpenAiApiExample.java

@@ -9,6 +9,10 @@ class OpenAiApiExample {
         OpenAiService service = new OpenAiService(token);
 
         System.out.println("Getting available engines");
-        service.getEngines().forEach((Engine e) -> System.out.println(e.id));
+        service.getEngines().forEach(System.out::println);
+
+        System.out.println("Getting ada engine");
+        Engine ada = service.getEngine("ada");
+        System.out.println(ada);
     }
 }

openai/build.gradle

@@ -1,9 +1,12 @@
 apply plugin: 'java-library'
 
 dependencies {
-    api 'com.squareup.retrofit2:retrofit:2.5.0'
+    api 'com.squareup.retrofit2:retrofit:2.9.0'
-    implementation 'com.squareup.retrofit2:adapter-rxjava2:2.5.0'
+    implementation 'com.squareup.retrofit2:adapter-rxjava2:2.9.0'
-    implementation 'com.squareup.retrofit2:converter-jackson:2.5.0'
+    implementation 'com.squareup.retrofit2:converter-jackson:2.9.0'
+
+    compileOnly 'org.projectlombok:lombok:1.18.12'
+    annotationProcessor 'org.projectlombok:lombok:1.18.12'
 
     testImplementation 'junit:junit:4.13'
 }

openai/src/main/java/openai/OpenAiApi.java

@@ -3,9 +3,13 @@ package openai;
 import io.reactivex.Single;
 import openai.engine.Engine;
 import retrofit2.http.GET;
+import retrofit2.http.Path;
 
 public interface OpenAiApi {
 
     @GET("v1/engines")
     Single<OpenAiResponse<Engine>> getEngines();
+
+    @GET("/v1/engines/{engine_id}")
+    Single<Engine> getEngine(@Path("engine_id") String engineId);
 }

openai/src/main/java/openai/OpenAiResponse.java

@@ -1,7 +1,10 @@
 package openai;
 
+import lombok.Data;
+
 import java.util.List;
 
+@Data
 public class OpenAiResponse<T> {
     public List<T> data;
     public String object;

openai/src/main/java/openai/OpenAiService.java

@@ -42,4 +42,8 @@ public class OpenAiService {
     public List<Engine> getEngines() {
         return api.getEngines().blockingGet().data;
     }
+
+    public Engine getEngine(String engineId) {
+        return api.getEngine(engineId).blockingGet();
+    }
 }

openai/src/main/java/openai/engine/Engine.java

@@ -1,5 +1,8 @@
 package openai.engine;
 
+import lombok.Data;
+
+@Data
 public class Engine {
     public String id;
     public String object;