1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 package com.android.voicemail.impl.transcribe.grpc; 17 18 import android.support.annotation.Nullable; 19 import android.support.annotation.WorkerThread; 20 import com.android.dialer.common.Assert; 21 import com.google.internal.communications.voicemailtranscription.v1.TranscribeVoicemailRequest; 22 import com.google.internal.communications.voicemailtranscription.v1.TranscribeVoicemailResponse; 23 import com.google.internal.communications.voicemailtranscription.v1.VoicemailTranscriptionServiceGrpc; 24 import io.grpc.Status; 25 import io.grpc.StatusRuntimeException; 26 27 /** Wrapper around Grpc transcription server stub */ 28 public class TranscriptionClient { 29 30 private final VoicemailTranscriptionServiceGrpc.VoicemailTranscriptionServiceBlockingStub stub; 31 32 /** Wraps the server response and status objects, either of which may be null. */ 33 public static class TranscriptionResponseWrapper { 34 public final TranscribeVoicemailResponse response; 35 public final Status status; 36 37 public TranscriptionResponseWrapper( 38 @Nullable TranscribeVoicemailResponse response, @Nullable Status status) { 39 Assert.checkArgument(!(response == null && status == null)); 40 this.response = response; 41 this.status = status; 42 } 43 } 44 45 TranscriptionClient( 46 VoicemailTranscriptionServiceGrpc.VoicemailTranscriptionServiceBlockingStub stub) { 47 this.stub = stub; 48 } 49 50 @WorkerThread 51 public TranscriptionResponseWrapper transcribeVoicemail(TranscribeVoicemailRequest request) { 52 TranscribeVoicemailResponse response = null; 53 Status status = null; 54 try { 55 response = stub.transcribeVoicemail(request); 56 } catch (StatusRuntimeException e) { 57 status = e.getStatus(); 58 } 59 return new TranscriptionClient.TranscriptionResponseWrapper(response, status); 60 } 61 } 62
