/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* https://github.com/CILEA/dspace-cris/wiki/License
*/
package org.dspace.app.webui.cris.filter;
import java.io.IOException;
import java.sql.SQLException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
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.log4j.Logger;
import org.dspace.app.webui.util.UIUtil;
import org.dspace.core.Context;
import org.dspace.core.LogManager;
/**
* Filter to ensure the correct closing of DSpace Context when used by the RP
* module
*
* @author cilea
*
*/
public class DSpaceContextCleanupFilter implements Filter
{
/** log4j category */
private static Logger log = Logger.getLogger(DSpaceContextCleanupFilter.class);
public void init(FilterConfig config)
{
// Do nothing
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws ServletException, IOException
{
// We need HTTP request objects
HttpServletRequest hrequest = (HttpServletRequest) request;
HttpServletResponse hresponse = (HttpServletResponse) response;
try
{
chain.doFilter(hrequest, hresponse);
}
finally
{
Context context = null;
try
{
context = UIUtil.obtainContext(hrequest);
}
catch (SQLException e)
{
log.error(LogManager.getHeader(null, "cleanup", "Exception during DSpace context cleanup"), e);
}
if (context != null && context.isValid())
{
context.abort();
}
}
}
public void destroy()
{
// Nothing
}
}