public static void main()

in code_examples/java_examples/image/java-list-faces-in-collection.java [18:46]

• 23 lines of code
• 5 McCabe index (conditional complexity)

   public static void main(String[] args) throws Exception {
      
      AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient();

      ObjectMapper objectMapper = new ObjectMapper();

      ListFacesResult listFacesResult = null;
      System.out.println("Faces in collection " + collectionId);

      String paginationToken = null;
      do {
         if (listFacesResult != null) {
            paginationToken = listFacesResult.getNextToken();
         }
         
         ListFacesRequest listFacesRequest = new ListFacesRequest()
                 .withCollectionId(collectionId)
                 .withMaxResults(1)
                 .withNextToken(paginationToken);
        
         listFacesResult =  rekognitionClient.listFaces(listFacesRequest);
         List < Face > faces = listFacesResult.getFaces();
         for (Face face: faces) {
            System.out.println(objectMapper.writerWithDefaultPrettyPrinter()
               .writeValueAsString(face));
         }
      } while (listFacesResult != null && listFacesResult.getNextToken() !=
         null);
   }