PortletRenderer.java
/*
* Copyright (C) 2010 eXo Platform SAS.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.portletcache;
import org.exoplatform.commons.cache.future.Loader;
import org.exoplatform.services.log.Log;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
class PortletRenderer implements Loader<WindowKey, MarkupFragment, PortletRenderContext>
{
/** . */
private final Log log;
PortletRenderer(Log log)
{
this.log = log;
}
public MarkupFragment retrieve(PortletRenderContext context, WindowKey key) throws Exception
{
BufferedRenderResponse bufferedResp = new BufferedRenderResponse(context.resp);
context.chain.doFilter(context.req, bufferedResp);
//
long now = System.currentTimeMillis();
//
String expirationCache = bufferedResp.getExpirationCache();
long expirationCacheMillis = now;
if (expirationCache != null)
{
try
{
int expirationCacheSec = Integer.parseInt(expirationCache);
if (expirationCacheSec == -1)
{
expirationCacheMillis = Long.MAX_VALUE;
}
else if (expirationCacheSec > 0)
{
expirationCacheMillis += 1000 * expirationCacheSec;
}
}
catch (NumberFormatException e)
{
if (log.isWarnEnabled()) {
log.warn("Incorrect expiration cache value " + expirationCache);
}
}
}
//
return new MarkupFragment(expirationCacheMillis, bufferedResp.getBytes());
}
}