class SpringStatusChecker implements StatusChecker {

    @Override
    public Status check() {
        ApplicationContext context = null;
        for (ApplicationContext c : SpringExtensionFactory.getContexts()) {
            if (c != null) {
                context = c;
                break;
            }
        }
        if (context == null) {
            return new Status(Status.Level.UNKNOWN);
        }
        Status.Level level = Status.Level.OK;
        if (context instanceof Lifecycle) {
            if (((Lifecycle) context).isRunning()) {
                level = Status.Level.OK;
            } else {
                level = Status.Level.ERROR;
            }
        } else {
            level = Status.Level.UNKNOWN;
        }
        StringBuilder buf = new StringBuilder();
        try {
            Class<?> cls = context.getClass();
            Method method = null;
            while (cls != null && method == null) {
                try {
                    method = cls.getDeclaredMethod("getConfigLocations", new Class<?>[0]);
                } catch (NoSuchMethodException t) {
                    cls = cls.getSuperclass();
                }
            }
            if (method != null) {
                if (!method.isAccessible()) {
                    method.setAccessible(true);
                }
                String[] configs = (String[]) method.invoke(context, new Object[0]);
                if (configs != null && configs.length > 0) {
                    for (String config : configs) {
                        if (buf.length() > 0) {
                            buf.append(",");
                        }
                        buf.append(config);
                    }
                }
            }
        } catch (Throwable t) {
            logger.warn(t.getMessage(), t);
        }
        return new Status(level, buf.toString());
    }

}