/**
* Vosao CMS. Simple CMS for Google App Engine.
*
* Copyright (C) 2009-2010 Vosao development team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* email: vosao.dev@gmail.com
*/
package org.vosao.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.vosao.business.SetupBean;
import org.vosao.dao.DaoStat;
import org.vosao.dao.cache.EntityCache;
import org.vosao.dao.cache.QueryCache;
import org.vosao.entity.ConfigEntity;
/**
* Application initial database creation filter.
* @author Alexander Oleynik
*
*/
public class InitFilter extends AbstractFilter implements Filter {
private static final Log logger = LogFactory.getLog(SiteFilter.class);
private static final String SETUP_URL = "/setup";
private int localHits;
private int cacheHits;
private DaoStat daoStat;
public InitFilter() {
super();
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest httpRequest = (HttpServletRequest)request;
HttpServletResponse httpResponse = (HttpServletResponse)response;
String url = httpRequest.getServletPath();
if (url.equals(SETUP_URL)) {
ConfigEntity config = getDao().getConfigDao().getConfig();
if (config == null || config.getVersion() == null) {
SetupBean setupBean = getBusiness().getSetupBean();
setupBean.clear();
setupBean.setup();
logger.info("Setup was successfully completed.");
setupBean.loadDefaultSite();
}
httpResponse.sendRedirect("/");
return;
}
//startProfile();
chain.doFilter(request, response);
//endProfile(httpRequest.getRequestURL().toString());
getBusiness().getSystemService().getCache().resetLocalCache();
}
private void startProfile() {
localHits = getBusiness().getSystemService().getCache().getLocalHits();
cacheHits = getBusiness().getSystemService().getCache().getCacheHits();
daoStat = getDao().getDaoStat().clone();
}
private void endProfile(String url) {
logger.info(url);
logger.info("local cache hits: " + (
getBusiness().getSystemService().getCache().getLocalHits()
- localHits));
DaoStat daoStat2 = getDao().getDaoStat();
logger.info("memcache hits: " + (
getBusiness().getSystemService().getCache().getCacheHits()
- cacheHits));
logger.info("dao get calls: "
+ (daoStat2.getGetCalls() - daoStat.getGetCalls())
+ " ,dao query calls: "
+ (daoStat2.getQueryCalls() - daoStat.getQueryCalls())
+ " ,entity cache hits: "
+ (daoStat2.getEntityCacheHits() - daoStat.getEntityCacheHits())
+ " ,query cache hits: "
+ (daoStat2.getQueryCacheHits() - daoStat.getQueryCacheHits())
);
}
private EntityCache getEntityCache() {
return getDao().getEntityCache();
}
private QueryCache getQueryCache() {
return getDao().getQueryCache();
}
}