public static void main()

in code_examples/java_examples/image/java-add-faces-to-collection.java [21:57]
31 lines of code
4 McCabe index (conditional complexity)

    public static void main(String[] args) throws Exception {

        AmazonRekognition rekognitionClient = AmazonRekognitionClientBuilder.defaultClient();

        Image image = new Image()
                .withS3Object(new S3Object()
                .withBucket(bucket)
                .withName(photo));
        
        IndexFacesRequest indexFacesRequest = new IndexFacesRequest()
                .withImage(image)
                .withQualityFilter(QualityFilter.AUTO)
                .withMaxFaces(1)
                .withCollectionId(collectionId)
                .withExternalImageId(photo)
                .withDetectionAttributes("DEFAULT");

        IndexFacesResult indexFacesResult = rekognitionClient.indexFaces(indexFacesRequest);
        
        System.out.println("Results for " + photo);
        System.out.println("Faces indexed:");
        List<FaceRecord> faceRecords = indexFacesResult.getFaceRecords();
        for (FaceRecord faceRecord : faceRecords) {
            System.out.println("  Face ID: " + faceRecord.getFace().getFaceId());
            System.out.println("  Location:" + faceRecord.getFaceDetail().getBoundingBox().toString());
        }
        
        List<UnindexedFace> unindexedFaces = indexFacesResult.getUnindexedFaces();
        System.out.println("Faces not indexed:");
        for (UnindexedFace unindexedFace : unindexedFaces) {
            System.out.println("  Location:" + unindexedFace.getFaceDetail().getBoundingBox().toString());
            System.out.println("  Reasons:");
            for (String reason : unindexedFace.getReasons()) {
                System.out.println("   " + reason);
            }
        }
    }