Examples with JSONRenderer org.b3log.latke.servlet.renderer.JSONRenderer used on opensource projects

Example 66 with JSONRenderer

use of org.b3log.latke.servlet.renderer.JSONRenderer in project solo by b3log.

the class ArticleProcessor method getAuthorsArticlesByPage.

/**
     * Gets author articles paged with the specified context.
     *
     * @param context the specified context
     * @param request the specified request
     */
@RequestProcessing(value = "/articles/authors/\\d+/\\d+", uriPatternsMode = URIPatternMode.REGEX, method = HTTPRequestMethod.GET)
public void getAuthorsArticlesByPage(final HTTPRequestContext context, final HttpServletRequest request) {
    final JSONObject jsonObject = new JSONObject();
    final String authorId = getAuthorsArticlesPagedAuthorId(request.getRequestURI());
    final int currentPageNum = getAuthorsArticlesPagedCurrentPageNum(request.getRequestURI());
    Stopwatchs.start("Get Author-Articles Paged[authorId=" + authorId + ", pageNum=" + currentPageNum + ']');
    try {
        jsonObject.put(Keys.STATUS_CODE, true);
        final JSONObject preference = preferenceQueryService.getPreference();
        final int pageSize = preference.getInt(Option.ID_C_ARTICLE_LIST_DISPLAY_COUNT);
        final JSONObject authorRet = userQueryService.getUser(authorId);
        if (null == authorRet) {
            context.getResponse().sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final JSONObject author = authorRet.getJSONObject(User.USER);
        final String authorEmail = author.optString(User.USER_EMAIL);
        final List<JSONObject> articles = articleQueryService.getArticlesByAuthorEmail(authorEmail, currentPageNum, pageSize);
        if (!articles.isEmpty()) {
            filler.setArticlesExProperties(request, articles, author, preference);
        }
        final int articleCount = author.getInt(UserExt.USER_PUBLISHED_ARTICLE_COUNT);
        final int pageCount = (int) Math.ceil((double) articleCount / (double) pageSize);
        final JSONObject result = new JSONObject();
        final JSONObject pagination = new JSONObject();
        pagination.put(Pagination.PAGINATION_PAGE_COUNT, pageCount);
        result.put(Pagination.PAGINATION, pagination);
        result.put(Article.ARTICLES, articles);
        jsonObject.put(Keys.RESULTS, result);
    } catch (final Exception e) {
        jsonObject.put(Keys.STATUS_CODE, false);
        LOGGER.log(Level.ERROR, "Gets article paged failed", e);
    } finally {
        Stopwatchs.end();
    }
    final JSONRenderer renderer = new JSONRenderer();
    context.setRenderer(renderer);
    renderer.setJSONObject(jsonObject);
}

Example 67 with JSONRenderer

use of org.b3log.latke.servlet.renderer.JSONRenderer in project solo by b3log.

the class ArticleProcessor method getTagArticlesByPage.

/**
     * Gets tag articles paged with the specified context.
     *
     * @param context the specified context
     * @param request the specified request
     */
@RequestProcessing(value = "/articles/tags/.+/\\d+", uriPatternsMode = URIPatternMode.REGEX, method = HTTPRequestMethod.GET)
public void getTagArticlesByPage(final HTTPRequestContext context, final HttpServletRequest request) {
    final JSONObject jsonObject = new JSONObject();
    String tagTitle = getTagArticlesPagedTag(request.getRequestURI());
    try {
        tagTitle = URLDecoder.decode(tagTitle, "UTF-8");
    } catch (final UnsupportedEncodingException e) {
        LOGGER.log(Level.ERROR, "Gets tag title failed[requestURI=" + request.getRequestURI() + ']', e);
        tagTitle = "";
    }
    final int currentPageNum = getTagArticlesPagedCurrentPageNum(request.getRequestURI());
    Stopwatchs.start("Get Tag-Articles Paged[tagTitle=" + tagTitle + ", pageNum=" + currentPageNum + ']');
    try {
        jsonObject.put(Keys.STATUS_CODE, true);
        final JSONObject preference = preferenceQueryService.getPreference();
        final int pageSize = preference.getInt(Option.ID_C_ARTICLE_LIST_DISPLAY_COUNT);
        final JSONObject tagQueryResult = tagQueryService.getTagByTitle(tagTitle);
        if (null == tagQueryResult) {
            throw new Exception("Can not foud tag[title=" + tagTitle + "]");
        }
        final JSONObject tag = tagQueryResult.getJSONObject(Tag.TAG);
        final String tagId = tag.getString(Keys.OBJECT_ID);
        final List<JSONObject> articles = articleQueryService.getArticlesByTag(tagId, currentPageNum, pageSize);
        final int tagArticleCount = tag.getInt(Tag.TAG_PUBLISHED_REFERENCE_COUNT);
        final int pageCount = (int) Math.ceil((double) tagArticleCount / (double) pageSize);
        final boolean hasMultipleUsers = userQueryService.hasMultipleUsers();
        if (hasMultipleUsers) {
            filler.setArticlesExProperties(request, articles, preference);
        } else if (!articles.isEmpty()) {
            final JSONObject author = articleQueryService.getAuthor(articles.get(0));
            filler.setArticlesExProperties(request, articles, author, preference);
        }
        Collections.sort(articles, Comparators.ARTICLE_CREATE_DATE_COMPARATOR);
        final JSONObject result = new JSONObject();
        final JSONObject pagination = new JSONObject();
        pagination.put(Pagination.PAGINATION_PAGE_COUNT, pageCount);
        result.put(Pagination.PAGINATION, pagination);
        result.put(Article.ARTICLES, articles);
        jsonObject.put(Keys.RESULTS, result);
    } catch (final Exception e) {
        jsonObject.put(Keys.STATUS_CODE, false);
        LOGGER.log(Level.ERROR, "Gets article paged failed", e);
    } finally {
        Stopwatchs.end();
    }
    final JSONRenderer renderer = new JSONRenderer();
    context.setRenderer(renderer);
    renderer.setJSONObject(jsonObject);
}