/*
* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, B3log Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.b3log.solo.service;
import javax.inject.Inject;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.service.ServiceException;
import org.b3log.latke.service.annotation.Service;
import org.b3log.solo.model.Statistic;
import org.b3log.solo.repository.StatisticRepository;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Statistic query service.
*
* @author <a href="http://88250.b3log.org">Liang Ding</a>
* @version 1.0.0.0, Jul 18, 2012
* @since 0.5.0
*/
@Service
public class StatisticQueryService {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(StatisticQueryService.class.getName());
/**
* Statistic repository.
*/
@Inject
private StatisticRepository statisticRepository;
/**
* Gets the online visitor count.
*
* @return online visitor count
*/
public static int getOnlineVisitorCount() {
return StatisticMgmtService.ONLINE_VISITORS.size();
}
/**
* Get blog comment count.
*
* @return blog comment count
* @throws JSONException json exception
* @throws RepositoryException repository exception
*/
public int getBlogCommentCount() throws JSONException, RepositoryException {
final JSONObject statistic = statisticRepository.get(Statistic.STATISTIC);
if (null == statistic) {
throw new RepositoryException("Not found statistic");
}
return statistic.getInt(Statistic.STATISTIC_BLOG_COMMENT_COUNT);
}
/**
* Get blog comment(published article) count.
*
* @return blog comment count
* @throws JSONException json exception
* @throws RepositoryException repository exception
*/
public int getPublishedBlogCommentCount() throws JSONException, RepositoryException {
final JSONObject statistic = statisticRepository.get(Statistic.STATISTIC);
if (null == statistic) {
throw new RepositoryException("Not found statistic");
}
return statistic.getInt(Statistic.STATISTIC_PUBLISHED_BLOG_COMMENT_COUNT);
}
/**
* Gets blog statistic published article count.
*
* @return published blog article count
* @throws JSONException json exception
* @throws RepositoryException repository exception
*/
public int getPublishedBlogArticleCount() throws JSONException, RepositoryException {
final JSONObject statistic = statisticRepository.get(Statistic.STATISTIC);
if (null == statistic) {
throw new RepositoryException("Not found statistic");
}
return statistic.getInt(Statistic.STATISTIC_PUBLISHED_ARTICLE_COUNT);
}
/**
* Gets blog statistic article count.
*
* @return blog article count
* @throws JSONException json exception
* @throws RepositoryException repository exception
*/
public int getBlogArticleCount() throws JSONException, RepositoryException {
final JSONObject statistic = statisticRepository.get(Statistic.STATISTIC);
if (null == statistic) {
throw new RepositoryException("Not found statistic");
}
return statistic.getInt(Statistic.STATISTIC_BLOG_ARTICLE_COUNT);
}
/**
* Gets the statistic.
*
* @return statistic, returns {@code null} if not found
* @throws ServiceException if repository exception
*/
public JSONObject getStatistic() throws ServiceException {
try {
final JSONObject ret = statisticRepository.get(Statistic.STATISTIC);
if (null == ret) {
LOGGER.log(Level.WARN, "Can not load statistic from repository");
return null;
}
return ret;
} catch (final RepositoryException e) {
LOGGER.log(Level.ERROR, e.getMessage(), e);
throw new IllegalStateException(e);
}
}
/**
* Sets the statistic repository with the specified statistic repository.
*
* @param statisticRepository the specified statistic repository
*/
public void setStatisticRepository(final StatisticRepository statisticRepository) {
this.statisticRepository = statisticRepository;
}
}