docs(samples): add storage_grpc_quickstart and storage_grpc_quickstar…

…t_dp samples

samples/snippets/src/main/java/com/example/storage/QuickstartGrpcDpSample.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2023 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.storage;
+
+// [START storage_grpc_quickstart_dp]
+// Imports the Google Cloud client library
+import com.google.cloud.storage.Bucket;
+import com.google.cloud.storage.BucketInfo;
+import com.google.cloud.storage.Storage;
+import com.google.cloud.storage.StorageOptions;
+
+public class QuickstartGrpcDpSample {
+  public static void main(String... args) throws Exception {
+
+    StorageOptions options = StorageOptions.grpc().setAttemptDirectPath(true).build();
+
+    // Instantiates a client in a try-with-resource to automatically cleanup underlying resources
+    try (Storage storage = options.getService()) {
+      // The name for the new bucket
+      String bucketName = args[0]; // "my-new-bucket";
+
+      // Creates the new bucket
+      Bucket bucket = storage.create(BucketInfo.of(bucketName));
+
+      System.out.printf("Bucket %s created.%n", bucket.getName());
+    }
+  }
+}
+// [END storage_grpc_quickstart_dp]

samples/snippets/src/main/java/com/example/storage/QuickstartGrpcSample.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2023 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.storage;
+
+// [START storage_grpc_quickstart]
+// Imports the Google Cloud client library
+import com.google.cloud.storage.Bucket;
+import com.google.cloud.storage.BucketInfo;
+import com.google.cloud.storage.Storage;
+import com.google.cloud.storage.StorageOptions;
+
+public class QuickstartGrpcSample {
+  public static void main(String... args) throws Exception {
+
+    StorageOptions options = StorageOptions.grpc().build();
+
+    // Instantiates a client in a try-with-resource to automatically cleanup underlying resources
+    try (Storage storage = options.getService()) {
+      // The name for the new bucket
+      String bucketName = args[0]; // "my-new-bucket";
+
+      // Creates the new bucket
+      Bucket bucket = storage.create(BucketInfo.of(bucketName));
+
+      System.out.printf("Bucket %s created.%n", bucket.getName());
+    }
+  }
+}
+// [END storage_grpc_quickstart]

samples/snippets/src/test/java/com/example/storage/QuickstartSampleIT.java

@@ -59,4 +59,18 @@ public void testQuickstart() throws Exception {
     String got = stdOutCaptureRule.getCapturedOutputAsUtf8String();
     assertThat(got).contains(String.format("Bucket %s created.", bucketName));
   }
+
+  @Test
+  public void testQuickstartGrpc() throws Exception {
+    QuickstartGrpcSample.main(bucketName);
+    String got = stdOutCaptureRule.getCapturedOutputAsUtf8String();
+    assertThat(got).contains(String.format("Bucket %s created.", bucketName));
+  }
+
+  @Test
+  public void testQuickstartGrpcDp() throws Exception {
+    QuickstartGrpcDpSample.main(bucketName);
+    String got = stdOutCaptureRule.getCapturedOutputAsUtf8String();
+    assertThat(got).contains(String.format("Bucket %s created.", bucketName));
+  }
 }