feature: Add JVM sample

Author: osugikoji

sample/jvm/README.md

@@ -81,4 +81,14 @@ This endpoint retrieve a list of currently available artificial intelligence mod
 
 ##### Example:
 
-`GET http://localhost:8080/api/ychat/models`
+`GET http://localhost:8080/api/ychat/models`
+
+### Model Endpoint
+
+This endpoint retrieve the artificial intelligence model based on the given ID.
+
+##### Endpoint: http://localhost:[port_number]/api/ychat/models/{modelID}
+
+##### Example:
+
+`GET http://localhost:8080/api/ychat/models/babbage`

sample/jvm/src/main/java/co/yml/ychat/jvm/controller/YChatController.java

@@ -6,6 +6,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -57,6 +58,12 @@ public ResponseEntity<List<AIModel>> models() throws Exception {
         return ResponseEntity.ok(result);
     }
 
+    @GetMapping("models/{id}")
+    public ResponseEntity<AIModel> model(@PathVariable String id) throws Exception {
+        AIModel result = YChatService.getModel(id);
+        return ResponseEntity.ok(result);
+    }
+
     private static class Defaults {
         static final String COMPLETION_INPUT = "Say this is a test.";
         static final String CHAT_COMPLETION_INPUT = "Tell me one strength exercise";

sample/jvm/src/main/java/co/yml/ychat/jvm/services/YChatService.java

@@ -1,13 +1,13 @@
 package co.yml.ychat.jvm.services;
 
+import co.yml.ychat.YChat;
 import co.yml.ychat.domain.model.AIModel;
 import co.yml.ychat.domain.model.ChatMessage;
 import java.util.List;
+import java.util.concurrent.CompletableFuture;
 import org.jetbrains.annotations.NotNull;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import java.util.concurrent.CompletableFuture;
-import co.yml.ychat.YChat;
 
 @Service
 public class YChatService {
@@ -58,6 +58,13 @@ public List<AIModel> getModels() throws Exception {
         return future.get();
     }
 
+    public AIModel getModel(String id) throws Exception {
+        final CompletableFuture<AIModel> future = new CompletableFuture<>();
+        ychat.retrieveModel()
+                .execute(id, new CompletionCallbackResult<>(future));
+        return future.get();
+    }
+
     private static class CompletionCallbackResult<T> implements YChat.Callback<T> {
 
         private final CompletableFuture<T> future;