1 files changed, 102 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/transcribe/grpc/GetTranscriptResponseAsync.java b/java/com/android/voicemail/impl/transcribe/grpc/GetTranscriptResponseAsync.java
new file mode 100644
index 000000000..f979d69ce
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+++ b/java/com/android/voicemail/impl/transcribe/grpc/GetTranscriptResponseAsync.java
@@ -0,0 +1,102 @@
+/*
+ * 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.VisibleForTesting;
+import com.android.dialer.common.Assert;
+import com.google.internal.communications.voicemailtranscription.v1.GetTranscriptResponse;
+import com.google.internal.communications.voicemailtranscription.v1.TranscriptionStatus;
+import io.grpc.Status;
+
+/** Container for response and status objects for an asynchronous get-transcript request */
+public class GetTranscriptResponseAsync extends TranscriptionResponse {
+  @Nullable private final GetTranscriptResponse response;
+
+  @VisibleForTesting
+  public GetTranscriptResponseAsync(GetTranscriptResponse response) {
+    Assert.checkArgument(response != null);
+    this.response = response;
+  }
+
+  @VisibleForTesting
+  public GetTranscriptResponseAsync(Status status) {
+    super(status);
+    this.response = null;
+  }
+
+  public @Nullable String getTranscript() {
+    if (response != null) {
+      return response.getTranscript();
+    }
+    return null;
+  }
+
+  public @Nullable String getErrorDescription() {
+    if (!hasRecoverableError() && !hasFatalError()) {
+      return null;
+    }
+    if (status != null) {
+      return "Grpc error: " + status;
+    }
+    if (response != null) {
+      return "Transcription error: " + response.getStatus();
+    }
+    Assert.fail("Impossible state");
+    return null;
+  }
+
+  public TranscriptionStatus getTranscriptionStatus() {
+    if (response == null) {
+      return TranscriptionStatus.TRANSCRIPTION_STATUS_UNSPECIFIED;
+    } else {
+      return response.getStatus();
+    }
+  }
+
+  public boolean isTranscribing() {
+    return response != null && response.getStatus() == TranscriptionStatus.PENDING;
+  }
+
+  @Override
+  public boolean hasRecoverableError() {
+    if (super.hasRecoverableError()) {
+      return true;
+    }
+
+    if (response != null) {
+      return response.getStatus() == TranscriptionStatus.EXPIRED
+          || response.getStatus() == TranscriptionStatus.FAILED_RETRY;
+    }
+
+    return false;
+  }
+
+  @Override
+  public boolean hasFatalError() {
+    if (super.hasFatalError()) {
+      return true;
+    }
+
+    if (response != null) {
+      return response.getStatus() == TranscriptionStatus.FAILED_NO_RETRY
+          || response.getStatus() == TranscriptionStatus.FAILED_LANGUAGE_NOT_SUPPORTED
+          || response.getStatus() == TranscriptionStatus.FAILED_NO_SPEECH_DETECTED;
+    }
+
+    return false;
+  }
+}