Example usage for org.apache.commons.collections SetUtils EMPTY_SORTED_SET

Introduction

In this page you can find the example usage for org.apache.commons.collections SetUtils EMPTY_SORTED_SET.

Prototype

SortedSet EMPTY_SORTED_SET

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Document

An empty unmodifiable sorted set.

Usage

From source file:org.tonguetied.web.MainController.java

/**
 * Handler method that acts as an HTTP interface to the 
 * {@linkplain KeywordService#getKeywords()} method.
 * /*w ww .j  av a2 s.  c om*/
 * @param request the current HTTP request.
 * @param response the current HTTP response.
 * @return a ModelAndView to render.
 * @throws Exception in case of errors.
 */
public ModelAndView keywords(HttpServletRequest request, HttpServletResponse response) throws Exception {
    Cookie cookie = CookieUtils.getCookie(request, "menuSelected");
    if (cookie == null) {
        cookie = CookieUtils.createCookie(request, "menuSelected", "1");
        response.addCookie(cookie);
    }

    Boolean showAll = RequestUtils.getBooleanParameter(request, SHOW_ALL_KEYWORDS);
    if (showAll == null) {
        showAll = (Boolean) request.getSession().getAttribute(SHOW_ALL_KEYWORDS);
    }

    final int firstResult = PaginationUtils.calculateFirstResult(TABLE_ID_KEYWORD,
            viewPreferences.getMaxResults(), request);
    final KeyValue<String, Order> keyValue = PaginationUtils.getOrder(TABLE_ID_KEYWORD, request);
    Order order = null;
    if (keyValue != null)
        order = keyValue.getValue();

    PaginatedList<Keyword> keywords;
    if (showAll) {
        keywords = keywordService.getKeywords(firstResult, viewPreferences.getMaxResults(), order);
        searchParameters.initialize();
    } else {
        Keyword keyword = searchParameters.getKeyword();
        if (new Translation().equals(keyword.getTranslations().first())) {
            keyword.setTranslations(SetUtils.EMPTY_SORTED_SET);
        }
        keywords = keywordService.findKeywords(keyword, searchParameters.getIgnoreCase(), order, firstResult,
                viewPreferences.getMaxResults());
    }

    keywords = applyViewPreferences(keywords);
    searchParameters.getKeyword();

    Map<String, Object> model = new HashMap<String, Object>();
    model.put(KEYWORDS, keywords);
    model.put(LANGUAGES, keywordService.getLanguages());
    model.put(BUNDLES, keywordService.getBundles());
    model.put(COUNTRIES, keywordService.getCountries());
    model.put(STATES, TranslationState.values());
    model.put(SEARCH_PARAMETERS, searchParameters);
    model.put(VIEW_PREFERENCES, viewPreferences);
    model.put(MAX_LIST_SIZE, keywords.getMaxListSize());
    model.put(PAGE_SIZES, KEYWORD_PAGE_SIZE_OPTIONS);
    return new ModelAndView("keyword/keywords", model);
}

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