private void updateTags()

in aws-amplify-branch/src/main/java/software/amazon/amplify/branch/UpdateHandler.java [61:88]
25 lines of code
3 McCabe index (conditional complexity)

    private void updateTags(final AmazonWebServicesClientProxy proxy,
                            final ProxyClient<AmplifyClient> proxyClient,
                            final ResourceModel model,
                            final Map<String, String> desiredTags) {
        logger.log("INFO: Modifying Tags");
        final Set<Tag> finalTags = convertResourceTagsToSet(desiredTags);
        final Set<Tag> existingTags = getExistingTags(proxy, proxyClient, model);

        final Set<Tag> tagsToRemove = Sets.difference(existingTags, finalTags);
        final Set<Tag> tagsToAdd = Sets.difference(finalTags, existingTags);

        if (tagsToRemove.size() > 0) {
            Collection<String> tagKeys = tagsToRemove.stream().map(Tag::getKey).collect(Collectors.toSet());
            final UntagResourceRequest untagResourceRequest = UntagResourceRequest.builder().resourceArn(model.getArn())
                    .tagKeys(tagKeys).build();
            ClientWrapper.execute(proxy, untagResourceRequest, proxyClient.client()::untagResource, ResourceModel.TYPE_NAME,
                    model.getAppId(), logger);
        }

        if (tagsToAdd.size() > 0) {
            Map<String, String> tags = convertToResourceTags(tagsToAdd);
            final TagResourceRequest tagResourceRequest = TagResourceRequest.builder()
                    .resourceArn(model.getArn()).tags(tags).build();
            ClientWrapper.execute(proxy, tagResourceRequest, proxyClient.client()::tagResource, ResourceModel.TYPE_NAME,
                    model.getAppId(), logger);
        }
        logger.log("INFO: Successfully Updated Tags");
    }