private Promise getCloseTransition()

in src/main/java/org/apache/sling/cli/impl/jira/VersionClient.java [424:451]
28 lines of code
4 McCabe index (conditional complexity)

    private Promise<Transition> getCloseTransition(Issue issue) {
        HttpGet get = newGet("issue/" + issue.getId() + "/transitions");
        try {
            try (CloseableHttpClient client = httpClientFactory.newClient()) {
                try (CloseableHttpResponse getResponse = client.execute(get, httpClientFactory.newPreemptiveAuthenticationContext())) {
                    try (InputStream getContent = getResponse.getEntity().getContent();
                         InputStreamReader getReader = new InputStreamReader(getContent)) {
                        if (getResponse.getStatusLine().getStatusCode() != 200) {
                            throw newException(getResponse, getReader);
                        }
                        Gson gson = new Gson();
                        List<Transition> transitions = gson.fromJson(getReader, TransitionsResponse.class).getTransitions();
                        Optional<Transition> transition = transitions.stream().filter(t -> "Close Issue".equals(t.getName())).findFirst();
                        if (transition.isPresent()) {
                            return promiseFactory.resolved(transition.get());
                        } else {
                            return promiseFactory
                                    .failed(new IllegalStateException(String.format("Issue %s/browse/%s cannot be closed - missing Close " +
                                                    "transition.", jiraURL,
                                            issue.getKey())));
                        }
                    }
                }
            }
        } catch (Exception e) {
            return promiseFactory.failed(e);
        }
    }