Add enum for AudioResponseFormat + dependency updates

build.gradle

@@ -34,7 +34,7 @@ java {
 }
 
 def jacksonVersion = "2.17.2"
-def junitVersion = "5.11.0"
+def junitVersion = "5.11.1"
 
 dependencies {
     implementation("com.fasterxml.jackson.core:jackson-databind:${jacksonVersion}")

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

src/main/java/io/github/stefanbratanov/jvm/openai/AudioResponseFormat.java

@@ -0,0 +1,20 @@
+package io.github.stefanbratanov.jvm.openai;
+
+/** The format of the output */
+public enum AudioResponseFormat {
+  JSON("json"),
+  TEXT("text"),
+  SRT("srt"),
+  VERBOSE_JSON("verbose_json"),
+  VTT("vtt");
+
+  private final String id;
+
+  AudioResponseFormat(String id) {
+    this.id = id;
+  }
+
+  public String getId() {
+    return id;
+  }
+}

src/main/java/io/github/stefanbratanov/jvm/openai/TranscriptionRequest.java

@@ -83,6 +83,14 @@ public Builder responseFormat(String responseFormat) {
       return this;
     }
 
+    /**
+     * @param responseFormat The {@link AudioResponseFormat} of the translation output
+     */
+    public Builder responseFormat(AudioResponseFormat responseFormat) {
+      this.responseFormat = Optional.of(responseFormat.getId());
+      return this;
+    }
+
     /**
      * @param temperature The sampling temperature, between 0 and 1. Higher values like 0.8 will
      *     make the output more random, while lower values like 0.2 will make it more focused and

src/main/java/io/github/stefanbratanov/jvm/openai/TranslationRequest.java

@@ -68,6 +68,14 @@ public Builder responseFormat(String responseFormat) {
       return this;
     }
 
+    /**
+     * @param responseFormat The {@link AudioResponseFormat} of the translation output
+     */
+    public Builder responseFormat(AudioResponseFormat responseFormat) {
+      this.responseFormat = Optional.of(responseFormat.getId());
+      return this;
+    }
+
     /**
      * @param temperature The sampling temperature, between 0 and 1. Higher values like 0.8 will
      *     make the output more random, while lower values like 0.2 will make it more focused and

src/test/java/io/github/stefanbratanov/jvm/openai/OpenAIIntegrationTest.java

@@ -226,7 +226,7 @@ void testAudioClient(@TempDir Path tempDir) {
         TranslationRequest.newBuilder()
             .file(greeting)
             .model(OpenAIModel.WHISPER_1)
-            .responseFormat("json")
+            .responseFormat(AudioResponseFormat.JSON)
             .build();
 
     String translation = audioClient.createTranslation(translationRequest);