fix: update speech sample to check list count (GoogleCloudPlatform#7857)

averikitsch · web-flow · commit 0dabb39b29a2 · 2023-04-10T10:21:16.000-05:00
* fix: update speech sample to check list count

* Update sample
diff --git a/speech/src/main/java/com/example/speech/QuickstartSampleV2.java b/speech/src/main/java/com/example/speech/QuickstartSampleV2.java
@@ -91,8 +91,10 @@ public static void quickstartSampleV2(String projectId, String filePath, String
       for (SpeechRecognitionResult result : results) {
         // There can be several alternative transcripts for a given chunk of speech. Just use the
         // first (most likely) one here.
-        SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
-        System.out.printf("Transcription: %s%n", alternative.getTranscript());
+        if (result.getAlternativesCount() > 0) {
+          SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
+          System.out.printf("Transcription: %s%n", alternative.getTranscript());
+        }
       }
     }
   }
diff --git a/speech/src/main/java/com/example/speech/TranscribeFileV2.java b/speech/src/main/java/com/example/speech/TranscribeFileV2.java
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.example.speech;
 
 import com.google.cloud.speech.v2.AutoDetectDecodingConfig;
@@ -31,7 +30,6 @@
 import java.nio.file.Paths;
 import java.util.List;
 
-
 public class TranscribeFileV2 {
   public static void main(String[] args) throws IOException {
     String recognizerName = "projects/[PROJECT_ID]/locations/global/recognizers/[RECOGNIZER_ID]";
@@ -52,24 +50,28 @@ public static void transcribeFileV2(String recognizerName, String audioFilePath)
       ByteString audioBytes = ByteString.copyFrom(data);
 
       // Create the recognition request
-      RecognitionConfig recognitionConfig = RecognitionConfig.newBuilder()
-          .setAutoDecodingConfig(AutoDetectDecodingConfig.newBuilder().build())
-          .build();
-  
-      RecognizeRequest request = RecognizeRequest.newBuilder()
-          .setConfig(recognitionConfig)
-          .setRecognizer(recognizerName)
-          .setContent(audioBytes)
-          .build();
-  
+      RecognitionConfig recognitionConfig =
+          RecognitionConfig.newBuilder()
+              .setAutoDecodingConfig(AutoDetectDecodingConfig.newBuilder().build())
+              .build();
+
+      RecognizeRequest request =
+          RecognizeRequest.newBuilder()
+              .setConfig(recognitionConfig)
+              .setRecognizer(recognizerName)
+              .setContent(audioBytes)
+              .build();
+
       RecognizeResponse response = speechClient.recognize(request);
       List<SpeechRecognitionResult> results = response.getResultsList();
 
       for (SpeechRecognitionResult result : results) {
         // There can be several alternative transcripts for a given chunk of speech. Just use the
         // first (most likely) one here.
-        SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
-        System.out.printf("Transcription: %s%n", alternative.getTranscript());
+        if (result.getAlternativesCount() > 0) {
+          SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
+          System.out.printf("Transcription: %s%n", alternative.getTranscript());
+        }
       }
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -91,8 +91,10 @@ public static void quickstartSampleV2(String projectId, String filePath, String`
`91`	`91`	`for (SpeechRecognitionResult result : results) {`
`92`	`92`	`// There can be several alternative transcripts for a given chunk of speech. Just use the`
`93`	`93`	`// first (most likely) one here.`
`94`		`- SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);`
`95`		`- System.out.printf("Transcription: %s%n", alternative.getTranscript());`
	`94`	`+ if (result.getAlternativesCount() > 0) {`
	`95`	`+ SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);`
	`96`	`+ System.out.printf("Transcription: %s%n", alternative.getTranscript());`
	`97`	`+ }`
`96`	`98`	`}`
`97`	`99`	`}`
`98`	`100`	`}`