1 files changed, 61 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/transcribe/grpc/TranscriptionClient.java b/java/com/android/voicemail/impl/transcribe/grpc/TranscriptionClient.java
new file mode 100644
index 000000000..27603d910
--- /dev/null
+++ b/java/com/android/voicemail/impl/transcribe/grpc/TranscriptionClient.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.android.voicemail.impl.transcribe.grpc;
+
+import android.support.annotation.Nullable;
+import android.support.annotation.WorkerThread;
+import com.android.dialer.common.Assert;
+import com.google.internal.communications.voicemailtranscription.v1.TranscribeVoicemailRequest;
+import com.google.internal.communications.voicemailtranscription.v1.TranscribeVoicemailResponse;
+import com.google.internal.communications.voicemailtranscription.v1.VoicemailTranscriptionServiceGrpc;
+import io.grpc.Status;
+import io.grpc.StatusRuntimeException;
+
+/** Wrapper around Grpc transcription server stub */
+public class TranscriptionClient {
+
+  private final VoicemailTranscriptionServiceGrpc.VoicemailTranscriptionServiceBlockingStub stub;
+
+  /** Wraps the server response and status objects, either of which may be null. */
+  public static class TranscriptionResponseWrapper {
+    public final TranscribeVoicemailResponse response;
+    public final Status status;
+
+    public TranscriptionResponseWrapper(
+        @Nullable TranscribeVoicemailResponse response, @Nullable Status status) {
+      Assert.checkArgument(!(response == null && status == null));
+      this.response = response;
+      this.status = status;
+    }
+  }
+
+  TranscriptionClient(
+      VoicemailTranscriptionServiceGrpc.VoicemailTranscriptionServiceBlockingStub stub) {
+    this.stub = stub;
+  }
+
+  @WorkerThread
+  public TranscriptionResponseWrapper transcribeVoicemail(TranscribeVoicemailRequest request) {
+    TranscribeVoicemailResponse response = null;
+    Status status = null;
+    try {
+      response = stub.transcribeVoicemail(request);
+    } catch (StatusRuntimeException e) {
+      status = e.getStatus();
+    }
+    return new TranscriptionClient.TranscriptionResponseWrapper(response, status);
+  }
+}