* @return exit code (Constants.EXIT_OK for success, Constants.EXIT_FAIL for failure)
     */
    private static int process(final Options options) {
        final Crawler crawler = ComponentUtil.getComponent(Crawler.class);

        if (StringUtil.isBlank(options.sessionId)) {
            // use a default session id
            final SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");

        StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("mimeTypeHelper", MimeTypeHelperImpl.class)//
                .singleton("fsClient", FileSystemClient.class);
        fsClient = container.getComponent("fsClient");
    }

    public void test_doGet_dir() {
        final File file = ResourceUtil.getResourceAsFile("test");
        String path = file.getAbsolutePath();
        if (!path.startsWith("/")) {

            } catch (final Exception e) {
                logger.warn("Failed to create system properties file.", e);
            }
        }

        final SuggestCreator creator = ComponentUtil.getComponent(SuggestCreator.class);
        final LocalDateTime startTime = LocalDateTime.now();
        int ret = creator.create();
        if (ret == 0) {
            ret = creator.purge(startTime);
        }

        final List<String> cmdList = new ArrayList<>();
        final String cpSeparator = SystemUtils.IS_OS_WINDOWS ? ";" : ":";
        final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
        final ProcessHelper processHelper = ComponentUtil.getProcessHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        cmdList.add(fessConfig.getJavaCommandPath());

                responseData.setLastModified(new Date(file.lastModified()));
                if (file.canRead()) {
                    final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");
                    try (final InputStream is = new BufferedInputStream(new FileInputStream(file))) {
                        responseData.setMimeType(mimeTypeHelper.getContentType(is, file.getName()));

                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(KeyMatchService.class).getKeyMatch(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**

                logger.info("Generating Thumbnail: {}", url);
            }

            final CrawlerClientFactory crawlerClientFactory =
                    config.initializeClientFactory(() -> ComponentUtil.getComponent(CrawlerClientFactory.class));
            final CrawlerClient client = crawlerClientFactory.getClient(url);
            if (client == null) {

context.setMaxDepth(3);           // Max depth (-1 = unlimited)
context.setNumOfThread(10);       // Concurrent threads
```

### Accessing Results

```java
DataService ds = container.getComponent("dataService");

// Count
int count = ds.getCount(sessionId);

// Get by URL
AccessResult result = ds.getAccessResult(sessionId, url);

// Iterate all
ds.iterate(sessionId, accessResult -> {

                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(BoostDocumentRuleService.class).getBoostDocumentRule(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(RoleService.class).getRole(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**