chore(genai): replace deprecated genai image generation model (#10254)

* chore(genai): replace deprecated genai image generation model

* Fix lint issue

* Update veo generate model to fix Kokoro CI builds

* remove unused model

Author: alarconesparza

genai/snippets/pom.xml

@@ -56,7 +56,6 @@
         <dependency>
             <groupId>com.google.cloud</groupId>
             <artifactId>google-cloud-storage</artifactId>
-            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.openai</groupId>

genai/snippets/src/main/java/genai/imagegeneration/ImageGenVirtualTryOnWithTextAndImage.java

@@ -36,7 +36,7 @@ public class ImageGenVirtualTryOnWithTextAndImage {
 
   public static void main(String[] args) throws IOException {
     // TODO(developer): Replace these variables before running the sample.
-    String modelId = "virtual-try-on-preview-08-04";
+    String modelId = "virtual-try-on-001";
     String outputFile = "resources/output/man_in_sweater.png";
     generateContent(modelId, outputFile);
   }
@@ -84,4 +84,4 @@ public static Image generateContent(String modelId, String outputFile) throws IO
     }
   }
 }
-// [END googlegenaisdk_imggen_virtual_try_on_with_txt_img]
+// [END googlegenaisdk_imggen_virtual_try_on_with_txt_img]

genai/snippets/src/main/java/genai/videogeneration/VideoGenWithImg.java

@@ -32,7 +32,7 @@ public class VideoGenWithImg {
 
   public static void main(String[] args) throws InterruptedException {
     // TODO(developer): Replace these variables before running the sample.
-    String modelId = "veo-3.0-generate-preview";
+    String modelId = "veo-3.1-generate-001";
     String outputGcsUri = "gs://your-bucket/your-prefix";
     generateContent(modelId, outputGcsUri);
   }

genai/snippets/src/main/java/genai/videogeneration/VideoGenWithTxt.java

@@ -32,7 +32,7 @@ public class VideoGenWithTxt {
 
   public static void main(String[] args) throws InterruptedException {
     // TODO(developer): Replace these variables before running the sample.
-    String modelId = "veo-3.0-generate-001";
+    String modelId = "veo-3.1-generate-001";
     String outputGcsUri = "gs://your-bucket/your-prefix";
     generateContent(modelId, outputGcsUri);
   }

genai/snippets/src/test/java/genai/imagegeneration/ImageGenerationIT.java

@@ -45,7 +45,7 @@ public class ImageGenerationIT {
   private static final String PREFIX = "genai-img-generation-" + UUID.randomUUID();
   private static final String OUTPUT_GCS_URI = String.format("gs://%s/%s", BUCKET_NAME, PREFIX);
   private static final String IMAGEN_4_MODEL = "imagen-4.0-generate-001";
-  private static final String VIRTUAL_TRY_ON_MODEL = "virtual-try-on-preview-08-04";
+  private static final String VIRTUAL_TRY_ON_MODEL = "virtual-try-on-001";
 
   private ByteArrayOutputStream bout;
   private PrintStream out;

genai/snippets/src/test/java/genai/videogeneration/VideoGenerationIT.java

@@ -37,8 +37,7 @@
 @RunWith(JUnit4.class)
 public class VideoGenerationIT {
 
-  private static final String VIDEO_GEN_MODEL = "veo-3.0-generate-001";
-  private static final String VIDEO_GEN_PREVIEW_MODEL = "veo-3.0-generate-preview";
+  private static final String VIDEO_GEN_MODEL = "veo-3.1-generate-001";
   private static final String BUCKET_NAME = "java-docs-samples-testing";
   private static final String PREFIX = "genai-video-generation-" + UUID.randomUUID();
   private static final String OUTPUT_GCS_URI = String.format("gs://%s/%s", BUCKET_NAME, PREFIX);
@@ -82,7 +81,7 @@ public void tearDown() {
 
   @Test
   public void testVideoGenWithImg() throws InterruptedException {
-    String response = VideoGenWithImg.generateContent(VIDEO_GEN_PREVIEW_MODEL, OUTPUT_GCS_URI);
+    String response = VideoGenWithImg.generateContent(VIDEO_GEN_MODEL, OUTPUT_GCS_URI);
     assertThat(response).isNotEmpty();
     assertThat(bout.toString()).contains(OUTPUT_GCS_URI);
   }