Examples with Transaction org.b3log.latke.repository.Transaction used on opensource projects

Example 26 with Transaction

use of org.b3log.latke.repository.Transaction in project solo by b3log.

the class CommentMgmtService method addArticleComment.

/**
     * Adds an article comment with the specified request json object.
     *
     * @param requestJSONObject the specified request json object, for example,      <pre>
     * {
     *     "oId": "", // article id
     *     "commentName": "",
     *     "commentEmail": "",
     *     "commentURL": "", // optional
     *     "commentContent": "",
     *     "commentOriginalCommentId": "" // optional
     * }
     * </pre>
     *
     * @return add result, for example,      <pre>
     * {
     *     "oId": "", // generated comment id
     *     "commentDate": "", // format: yyyy-MM-dd HH:mm:ss
     *     "commentOriginalCommentName": "" // optional, corresponding to argument "commentOriginalCommentId"
     *     "commentThumbnailURL": "",
     *     "commentSharpURL": "",
     *     "commentContent": "", // processed XSS HTML
     *     "commentName": "", // processed XSS
     *     "commentURL": "", // optional
     *     "isReply": boolean,
     *     "article": {},
     *     "commentOriginalCommentId": "", // optional
     *     "commentable": boolean,
     *     "permalink": "" // article.articlePermalink
     * }
     * </pre>
     *
     * @throws ServiceException service exception
     */
public JSONObject addArticleComment(final JSONObject requestJSONObject) throws ServiceException {
    final JSONObject ret = new JSONObject();
    ret.put(Common.IS_REPLY, false);
    final Transaction transaction = commentRepository.beginTransaction();
    try {
        final String articleId = requestJSONObject.getString(Keys.OBJECT_ID);
        final JSONObject article = articleRepository.get(articleId);
        ret.put(Article.ARTICLE, article);
        final String commentName = requestJSONObject.getString(Comment.COMMENT_NAME);
        final String commentEmail = requestJSONObject.getString(Comment.COMMENT_EMAIL).trim().toLowerCase();
        final String commentURL = requestJSONObject.optString(Comment.COMMENT_URL);
        final String commentContent = requestJSONObject.getString(Comment.COMMENT_CONTENT);
        final String originalCommentId = requestJSONObject.optString(Comment.COMMENT_ORIGINAL_COMMENT_ID);
        ret.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, originalCommentId);
        // Step 1: Add comment
        final JSONObject comment = new JSONObject();
        comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, "");
        comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, "");
        JSONObject originalComment = null;
        comment.put(Comment.COMMENT_NAME, commentName);
        comment.put(Comment.COMMENT_EMAIL, commentEmail);
        comment.put(Comment.COMMENT_URL, commentURL);
        comment.put(Comment.COMMENT_CONTENT, commentContent);
        comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, requestJSONObject.optString(Comment.COMMENT_ORIGINAL_COMMENT_ID));
        comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, requestJSONObject.optString(Comment.COMMENT_ORIGINAL_COMMENT_NAME));
        final JSONObject preference = preferenceQueryService.getPreference();
        final Date date = new Date();
        comment.put(Comment.COMMENT_DATE, date);
        ret.put(Comment.COMMENT_DATE, DateFormatUtils.format(date, "yyyy-MM-dd HH:mm:ss"));
        ret.put("commentDate2", date);
        ret.put(Common.COMMENTABLE, preference.getBoolean(Option.ID_C_COMMENTABLE) && article.getBoolean(Article.ARTICLE_COMMENTABLE));
        ret.put(Common.PERMALINK, article.getString(Article.ARTICLE_PERMALINK));
        ret.put(Comment.COMMENT_NAME, commentName);
        ret.put(Comment.COMMENT_CONTENT, commentContent);
        ret.put(Comment.COMMENT_URL, commentURL);
        if (!Strings.isEmptyOrNull(originalCommentId)) {
            originalComment = commentRepository.get(originalCommentId);
            if (null != originalComment) {
                comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, originalCommentId);
                final String originalCommentName = originalComment.getString(Comment.COMMENT_NAME);
                comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, originalCommentName);
                ret.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, originalCommentName);
                ret.put(Common.IS_REPLY, true);
            } else {
                LOGGER.log(Level.WARN, "Not found orginal comment[id={0}] of reply[name={1}, content={2}]", new String[] { originalCommentId, commentName, commentContent });
            }
        }
        setCommentThumbnailURL(comment);
        ret.put(Comment.COMMENT_THUMBNAIL_URL, comment.getString(Comment.COMMENT_THUMBNAIL_URL));
        // Sets comment on article....
        comment.put(Comment.COMMENT_ON_ID, articleId);
        comment.put(Comment.COMMENT_ON_TYPE, Article.ARTICLE);
        final String commentId = Ids.genTimeMillisId();
        comment.put(Keys.OBJECT_ID, commentId);
        ret.put(Keys.OBJECT_ID, commentId);
        final String commentSharpURL = Comments.getCommentSharpURLForArticle(article, commentId);
        comment.put(Comment.COMMENT_SHARP_URL, commentSharpURL);
        ret.put(Comment.COMMENT_SHARP_URL, commentSharpURL);
        commentRepository.add(comment);
        // Step 2: Update article comment count
        articleMgmtService.incArticleCommentCount(articleId);
        // Step 3: Update blog statistic comment count
        statisticMgmtService.incBlogCommentCount();
        statisticMgmtService.incPublishedBlogCommentCount();
        // Step 4: Send an email to admin
        try {
            sendNotificationMail(article, comment, originalComment, preference);
        } catch (final Exception e) {
            LOGGER.log(Level.WARN, "Send mail failed", e);
        }
        // Step 5: Fire add comment event
        final JSONObject eventData = new JSONObject();
        eventData.put(Comment.COMMENT, comment);
        eventData.put(Article.ARTICLE, article);
        eventManager.fireEventSynchronously(new Event<JSONObject>(EventTypes.ADD_COMMENT_TO_ARTICLE, eventData));
        transaction.commit();
    } catch (final Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        throw new ServiceException(e);
    }
    return ret;
}

Example 27 with Transaction

use of org.b3log.latke.repository.Transaction in project solo by b3log.

the class PluginMgmtService method updatePluginSetting.

/**
     * updatePluginSetting.
     * 
     * @param pluginId the specified pluginoId
     * @param setting the specified setting
     * @return the ret json
     */
public JSONObject updatePluginSetting(final String pluginId, final String setting) {
    final Map<String, String> langs = langPropsService.getAll(Latkes.getLocale());
    final List<AbstractPlugin> plugins = pluginManager.getPlugins();
    final JSONObject ret = new JSONObject();
    for (final AbstractPlugin plugin : plugins) {
        if (plugin.getId().equals(pluginId)) {
            final Transaction transaction = pluginRepository.beginTransaction();
            try {
                final JSONObject pluginJson = plugin.toJSONObject();
                pluginJson.put(Plugin.PLUGIN_SETTING, setting);
                pluginRepository.update(pluginId, pluginJson);
                transaction.commit();
                ret.put(Keys.STATUS_CODE, true);
                ret.put(Keys.MSG, langs.get("setSuccLabel"));
                return ret;
            } catch (final Exception e) {
                if (transaction.isActive()) {
                    transaction.rollback();
                }
                LOGGER.log(Level.ERROR, "Set plugin status error", e);
                ret.put(Keys.STATUS_CODE, false);
                ret.put(Keys.MSG, langs.get("setFailLabel"));
                return ret;
            }
        }
    }
    ret.put(Keys.STATUS_CODE, false);
    ret.put(Keys.MSG, langs.get("refreshAndRetryLabel"));
    return ret;
}

Example 28 with Transaction

use of org.b3log.latke.repository.Transaction in project solo by b3log.

the class PreferenceMgmtService method updatePreference.

/**
     * Updates the preference with the specified preference.
     *
     * @param preference the specified preference
     * @throws ServiceException service exception
     */
public void updatePreference(final JSONObject preference) throws ServiceException {
    @SuppressWarnings("unchecked") final Iterator<String> keys = preference.keys();
    while (keys.hasNext()) {
        final String key = keys.next();
        if (preference.isNull(key)) {
            throw new ServiceException("A value is null of preference[key=" + key + "]");
        }
    }
    final Transaction transaction = optionRepository.beginTransaction();
    try {
        final String skinDirName = preference.getString(Skin.SKIN_DIR_NAME);
        final String skinName = Latkes.getSkinName(skinDirName);
        preference.put(Skin.SKIN_NAME, skinName);
        final Set<String> skinDirNames = Skins.getSkinDirNames();
        final JSONArray skinArray = new JSONArray();
        for (final String dirName : skinDirNames) {
            final JSONObject skin = new JSONObject();
            skinArray.put(skin);
            final String name = Latkes.getSkinName(dirName);
            skin.put(Skin.SKIN_NAME, name);
            skin.put(Skin.SKIN_DIR_NAME, dirName);
        }
        preference.put(Skin.SKINS, skinArray.toString());
        final String timeZoneId = preference.getString(Option.ID_C_TIME_ZONE_ID);
        TimeZones.setTimeZone(timeZoneId);
        preference.put(Option.ID_C_SIGNS, preference.get(Option.ID_C_SIGNS).toString());
        final JSONObject oldPreference = preferenceQueryService.getPreference();
        final String adminEmail = oldPreference.getString(Option.ID_C_ADMIN_EMAIL);
        preference.put(Option.ID_C_ADMIN_EMAIL, adminEmail);
        final String version = oldPreference.optString(Option.ID_C_VERSION);
        preference.put(Option.ID_C_VERSION, version);
        final String localeString = preference.getString(Option.ID_C_LOCALE_STRING);
        LOGGER.log(Level.DEBUG, "Current locale[string={0}]", localeString);
        Latkes.setLocale(new Locale(Locales.getLanguage(localeString), Locales.getCountry(localeString)));
        final JSONObject adminEmailOpt = optionRepository.get(Option.ID_C_ADMIN_EMAIL);
        adminEmailOpt.put(Option.OPTION_VALUE, adminEmail);
        optionRepository.update(Option.ID_C_ADMIN_EMAIL, adminEmailOpt);
        final JSONObject allowVisitDraftViaPermalinkOpt = optionRepository.get(Option.ID_C_ALLOW_VISIT_DRAFT_VIA_PERMALINK);
        allowVisitDraftViaPermalinkOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_ALLOW_VISIT_DRAFT_VIA_PERMALINK));
        optionRepository.update(Option.ID_C_ALLOW_VISIT_DRAFT_VIA_PERMALINK, allowVisitDraftViaPermalinkOpt);
        final JSONObject allowRegisterOpt = optionRepository.get(Option.ID_C_ALLOW_REGISTER);
        allowRegisterOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_ALLOW_REGISTER));
        optionRepository.update(Option.ID_C_ALLOW_REGISTER, allowRegisterOpt);
        final JSONObject articleListDisplayCountOpt = optionRepository.get(Option.ID_C_ARTICLE_LIST_DISPLAY_COUNT);
        articleListDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_ARTICLE_LIST_DISPLAY_COUNT));
        optionRepository.update(Option.ID_C_ARTICLE_LIST_DISPLAY_COUNT, articleListDisplayCountOpt);
        final JSONObject articleListPaginationWindowSizeOpt = optionRepository.get(Option.ID_C_ARTICLE_LIST_PAGINATION_WINDOW_SIZE);
        articleListPaginationWindowSizeOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_ARTICLE_LIST_PAGINATION_WINDOW_SIZE));
        optionRepository.update(Option.ID_C_ARTICLE_LIST_PAGINATION_WINDOW_SIZE, articleListPaginationWindowSizeOpt);
        final JSONObject articleListStyleOpt = optionRepository.get(Option.ID_C_ARTICLE_LIST_STYLE);
        articleListStyleOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_ARTICLE_LIST_STYLE));
        optionRepository.update(Option.ID_C_ARTICLE_LIST_STYLE, articleListStyleOpt);
        final JSONObject blogSubtitleOpt = optionRepository.get(Option.ID_C_BLOG_SUBTITLE);
        blogSubtitleOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_BLOG_SUBTITLE));
        optionRepository.update(Option.ID_C_BLOG_SUBTITLE, blogSubtitleOpt);
        final JSONObject blogTitleOpt = optionRepository.get(Option.ID_C_BLOG_TITLE);
        blogTitleOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_BLOG_TITLE));
        optionRepository.update(Option.ID_C_BLOG_TITLE, blogTitleOpt);
        final JSONObject commentableOpt = optionRepository.get(Option.ID_C_COMMENTABLE);
        commentableOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_COMMENTABLE));
        optionRepository.update(Option.ID_C_COMMENTABLE, commentableOpt);
        final JSONObject editorTypeOpt = optionRepository.get(Option.ID_C_EDITOR_TYPE);
        editorTypeOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_EDITOR_TYPE));
        optionRepository.update(Option.ID_C_EDITOR_TYPE, editorTypeOpt);
        final JSONObject enableArticleUpdateHintOpt = optionRepository.get(Option.ID_C_ENABLE_ARTICLE_UPDATE_HINT);
        enableArticleUpdateHintOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_ENABLE_ARTICLE_UPDATE_HINT));
        optionRepository.update(Option.ID_C_ENABLE_ARTICLE_UPDATE_HINT, enableArticleUpdateHintOpt);
        final JSONObject externalRelevantArticlesDisplayCountOpt = optionRepository.get(Option.ID_C_EXTERNAL_RELEVANT_ARTICLES_DISPLAY_CNT);
        externalRelevantArticlesDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_EXTERNAL_RELEVANT_ARTICLES_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_EXTERNAL_RELEVANT_ARTICLES_DISPLAY_CNT, externalRelevantArticlesDisplayCountOpt);
        final JSONObject feedOutputCntOpt = optionRepository.get(Option.ID_C_FEED_OUTPUT_CNT);
        feedOutputCntOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_FEED_OUTPUT_CNT));
        optionRepository.update(Option.ID_C_FEED_OUTPUT_CNT, feedOutputCntOpt);
        final JSONObject feedOutputModeOpt = optionRepository.get(Option.ID_C_FEED_OUTPUT_MODE);
        feedOutputModeOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_FEED_OUTPUT_MODE));
        optionRepository.update(Option.ID_C_FEED_OUTPUT_MODE, feedOutputModeOpt);
        final JSONObject footerContentOpt = optionRepository.get(Option.ID_C_FOOTER_CONTENT);
        footerContentOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_FOOTER_CONTENT));
        optionRepository.update(Option.ID_C_FOOTER_CONTENT, footerContentOpt);
        final JSONObject htmlHeadOpt = optionRepository.get(Option.ID_C_HTML_HEAD);
        htmlHeadOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_HTML_HEAD));
        optionRepository.update(Option.ID_C_HTML_HEAD, htmlHeadOpt);
        final JSONObject keyOfSoloOpt = optionRepository.get(Option.ID_C_KEY_OF_SOLO);
        keyOfSoloOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_KEY_OF_SOLO));
        optionRepository.update(Option.ID_C_KEY_OF_SOLO, keyOfSoloOpt);
        final JSONObject localeStringOpt = optionRepository.get(Option.ID_C_LOCALE_STRING);
        localeStringOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_LOCALE_STRING));
        optionRepository.update(Option.ID_C_LOCALE_STRING, localeStringOpt);
        final JSONObject metaDescriptionOpt = optionRepository.get(Option.ID_C_META_DESCRIPTION);
        metaDescriptionOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_META_DESCRIPTION));
        optionRepository.update(Option.ID_C_META_DESCRIPTION, metaDescriptionOpt);
        final JSONObject metaKeywordsOpt = optionRepository.get(Option.ID_C_META_KEYWORDS);
        metaKeywordsOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_META_KEYWORDS));
        optionRepository.update(Option.ID_C_META_KEYWORDS, metaKeywordsOpt);
        final JSONObject mostCommentArticleDisplayCountOpt = optionRepository.get(Option.ID_C_MOST_COMMENT_ARTICLE_DISPLAY_CNT);
        mostCommentArticleDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_MOST_COMMENT_ARTICLE_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_MOST_COMMENT_ARTICLE_DISPLAY_CNT, mostCommentArticleDisplayCountOpt);
        final JSONObject mostUsedTagDisplayCountOpt = optionRepository.get(Option.ID_C_MOST_USED_TAG_DISPLAY_CNT);
        mostUsedTagDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_MOST_USED_TAG_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_MOST_USED_TAG_DISPLAY_CNT, mostUsedTagDisplayCountOpt);
        final JSONObject mostViewArticleDisplayCountOpt = optionRepository.get(Option.ID_C_MOST_VIEW_ARTICLE_DISPLAY_CNT);
        mostViewArticleDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_MOST_VIEW_ARTICLE_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_MOST_VIEW_ARTICLE_DISPLAY_CNT, mostViewArticleDisplayCountOpt);
        final JSONObject noticeBoardOpt = optionRepository.get(Option.ID_C_NOTICE_BOARD);
        noticeBoardOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_NOTICE_BOARD));
        optionRepository.update(Option.ID_C_NOTICE_BOARD, noticeBoardOpt);
        final JSONObject randomArticlesDisplayCountOpt = optionRepository.get(Option.ID_C_RANDOM_ARTICLES_DISPLAY_CNT);
        randomArticlesDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_RANDOM_ARTICLES_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_RANDOM_ARTICLES_DISPLAY_CNT, randomArticlesDisplayCountOpt);
        final JSONObject recentArticleDisplayCountOpt = optionRepository.get(Option.ID_C_RECENT_ARTICLE_DISPLAY_CNT);
        recentArticleDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_RECENT_ARTICLE_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_RECENT_ARTICLE_DISPLAY_CNT, recentArticleDisplayCountOpt);
        final JSONObject recentCommentDisplayCountOpt = optionRepository.get(Option.ID_C_RECENT_COMMENT_DISPLAY_CNT);
        recentCommentDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_RECENT_COMMENT_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_RECENT_COMMENT_DISPLAY_CNT, recentCommentDisplayCountOpt);
        final JSONObject relevantArticlesDisplayCountOpt = optionRepository.get(Option.ID_C_RELEVANT_ARTICLES_DISPLAY_CNT);
        relevantArticlesDisplayCountOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_RELEVANT_ARTICLES_DISPLAY_CNT));
        optionRepository.update(Option.ID_C_RELEVANT_ARTICLES_DISPLAY_CNT, relevantArticlesDisplayCountOpt);
        final JSONObject signsOpt = optionRepository.get(Option.ID_C_SIGNS);
        signsOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_SIGNS));
        optionRepository.update(Option.ID_C_SIGNS, signsOpt);
        final JSONObject skinDirNameOpt = optionRepository.get(Option.ID_C_SKIN_DIR_NAME);
        skinDirNameOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_SKIN_DIR_NAME));
        optionRepository.update(Option.ID_C_SKIN_DIR_NAME, skinDirNameOpt);
        final JSONObject skinNameOpt = optionRepository.get(Option.ID_C_SKIN_NAME);
        skinNameOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_SKIN_NAME));
        optionRepository.update(Option.ID_C_SKIN_NAME, skinNameOpt);
        final JSONObject skinsOpt = optionRepository.get(Option.ID_C_SKINS);
        skinsOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_SKINS));
        optionRepository.update(Option.ID_C_SKINS, skinsOpt);
        final JSONObject timeZoneIdOpt = optionRepository.get(Option.ID_C_TIME_ZONE_ID);
        timeZoneIdOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_TIME_ZONE_ID));
        optionRepository.update(Option.ID_C_TIME_ZONE_ID, timeZoneIdOpt);
        final JSONObject versionOpt = optionRepository.get(Option.ID_C_VERSION);
        versionOpt.put(Option.OPTION_VALUE, preference.optString(Option.ID_C_VERSION));
        optionRepository.update(Option.ID_C_VERSION, versionOpt);
        transaction.commit();
        final ServletContext servletContext = SoloServletListener.getServletContext();
        Templates.MAIN_CFG.setServletContextForTemplateLoading(servletContext, "/skins/" + skinDirName);
    } catch (final Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        LOGGER.log(Level.ERROR, "Updates preference failed", e);
        throw new ServiceException(langPropsService.get("updateFailLabel"));
    }
    LOGGER.log(Level.DEBUG, "Updates preference successfully");
}

Example 29 with Transaction

use of org.b3log.latke.repository.Transaction in project solo by b3log.

the class LinkMgmtService method updateLink.

/**
     * Updates a link by the specified request json object.
     *
     * @param requestJSONObject the specified request json object, for example,
     * <pre>
     * {
     *     "link": {
     *         "oId": "",
     *         "linkTitle": "",
     *         "linkAddress": ""
     *     }
     * }, see {@link Link} for more details
     * </pre>
     * @throws ServiceException service exception
     */
public void updateLink(final JSONObject requestJSONObject) throws ServiceException {
    final Transaction transaction = linkRepository.beginTransaction();
    try {
        final JSONObject link = requestJSONObject.getJSONObject(Link.LINK);
        final String linkId = link.getString(Keys.OBJECT_ID);
        final JSONObject oldLink = linkRepository.get(linkId);
        link.put(Link.LINK_ORDER, oldLink.getInt(Link.LINK_ORDER));
        linkRepository.update(linkId, link);
        transaction.commit();
    } catch (final Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        LOGGER.log(Level.ERROR, e.getMessage(), e);
        throw new ServiceException(e);
    }
}

Example 30 with Transaction

use of org.b3log.latke.repository.Transaction in project solo by b3log.

the class LinkMgmtService method addLink.

/**
     * Adds a link with the specified request json object.
     * 
     * @param requestJSONObject the specified request json object, for example,
     * <pre>
     * {
     *     "link": {
     *         "linkTitle": "",
     *         "linkAddress": "",
     *         "linkDescription": "" // optional
     *     }
     * }, see {@link Link} for more details
     * </pre>
     * @return generated link id
     * @throws ServiceException service exception
     */
public String addLink(final JSONObject requestJSONObject) throws ServiceException {
    final Transaction transaction = linkRepository.beginTransaction();
    try {
        final JSONObject link = requestJSONObject.getJSONObject(Link.LINK);
        final int maxOrder = linkRepository.getMaxOrder();
        link.put(Link.LINK_ORDER, maxOrder + 1);
        final String ret = linkRepository.add(link);
        transaction.commit();
        return ret;
    } catch (final Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        LOGGER.log(Level.ERROR, "Adds a link failed", e);
        throw new ServiceException(e);
    }
}