fix sample app

Author: Jonas-Isr

sample-code/spring-app/src/main/java/com/sap/ai/sdk/app/controllers/OrchestrationController.java

@@ -9,11 +9,13 @@
 import com.sap.ai.sdk.orchestration.model.DPIEntities;
 import com.sap.cloud.sdk.cloudplatform.thread.ThreadContextExecutors;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.ResourceLoader;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -30,6 +32,7 @@
 @RequestMapping("/orchestration")
 class OrchestrationController {
   @Autowired private OrchestrationService service;
+  @Autowired private ResourceLoader resourceLoader;
 
   @GetMapping("/completion")
   Object completion(
@@ -276,8 +279,10 @@ Object templateFromPromptRegistryByScenario(
   @Nonnull
   Object localPromptTemplate(@RequestParam(value = "format", required = false) final String format)
       throws IOException {
-    final var response =
-        service.localPromptTemplate("src/main/resources/promptTemplateExample.yaml");
+    final var resource = resourceLoader.getResource("classpath:promptTemplateExample.yaml");
+    final var promptTemplate =
+        new String(resource.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
+    final var response = service.localPromptTemplate(promptTemplate);
     if ("json".equals(format)) {
       return response;
     }

sample-code/spring-app/src/main/java/com/sap/ai/sdk/app/services/OrchestrationService.java

@@ -30,8 +30,6 @@
 import com.sap.ai.sdk.orchestration.model.SearchSelectOptionEnum;
 import com.sap.ai.sdk.orchestration.model.Template;
 import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Stream;
@@ -518,15 +516,14 @@ public OrchestrationChatResponse templateFromPromptRegistryByScenario(
    *
    * @link <a href="https://help.sap.com/docs/sap-ai-core/sap-ai-core-service-guide/templating">SAP
    *     AI Core: Orchestration - Templating</a>
-   * @param filePath the filepath to the YAML file
+   * @param promptTemplate the YAML prompt template to use
    * @throws IOException if the YAML cannot be parsed
    * @return the assistant response object
    */
   @Nonnull
-  public OrchestrationChatResponse localPromptTemplate(@Nonnull final String filePath)
+  public OrchestrationChatResponse localPromptTemplate(@Nonnull final String promptTemplate)
       throws IOException {
-    val promptTemplateYaml = Files.readString(Path.of(filePath));
-    val template = TemplateConfig.create().fromYaml(promptTemplateYaml);
+    val template = TemplateConfig.create().fromYaml(promptTemplate);
     val configWithTemplate = template != null ? config.withTemplateConfig(template) : config;
 
     val inputParams = Map.of("language", "German");

sample-code/spring-app/src/main/resources/promptTemplateExample.yaml

@@ -12,4 +12,19 @@ spec:
   defaults:
     word: "apple"
   response_format:
-    type: "json_object"
+    type: json_schema
+    json_schema:
+      name: translation-schema
+      description: Translate the given word into the provided language.
+      strict: true
+      schema:
+        type: object
+        additionalProperties: False
+        required:
+          - language
+          - translation
+        properties:
+          language:
+            type: string
+          translation:
+            type: string

sample-code/spring-app/src/test/java/com/sap/ai/sdk/app/controllers/OrchestrationTest.java

@@ -17,6 +17,8 @@
 import java.io.InputStream;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.Base64;
 import java.util.List;
 import java.util.Map;
@@ -343,7 +345,8 @@ void testTemplateFromPromptRegistryByScenario() {
   void testLocalPromptTemplate() throws IOException {
     final var result =
         service
-            .localPromptTemplate("src/main/resources/promptTemplateExample.yaml")
+            .localPromptTemplate(
+                Files.readString(Path.of("src/main/resources/promptTemplateExample.yaml")))
             .getOriginalResponse();
     final var choices = ((LLMModuleResultSynchronous) result.getOrchestrationResult()).getChoices();
     assertThat(choices.get(0).getMessage().getContent()).isNotEmpty();