package fi.otavanopisto.pyramus.util;
import java.io.IOException;
import javax.annotation.Resource;
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.transaction.SystemException;
import javax.transaction.UserTransaction;
public class TransactionTimeoutFilter implements Filter {
@Resource
private UserTransaction userTransaction;
@Override
public void init(FilterConfig filterConfig) throws ServletException {
timeout = Integer.parseInt(filterConfig.getInitParameter("timeout"), 10);
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
try {
userTransaction.setTransactionTimeout(timeout);
} catch (SystemException e) {
throw new ServletException(e);
}
chain.doFilter(request, response);
}
@Override
public void destroy() {
}
private int timeout = -1;
}