package org.m0zilla.javascript.commonjs.module.provider;
import java.net.URLConnection;
/**
* Implemented by objects that can be used as heuristic strategies for
* calculating the expiry of a cached resource in cases where the server of the
* resource doesn't provide explicit expiry information.
* @author Attila Szegedi
* @version $Id: UrlConnectionExpiryCalculator.java 1746 2011-10-25 15:44:42Z alan $
*/
public interface UrlConnectionExpiryCalculator
{
/**
* Given a URL connection, returns a calculated heuristic expiry time (in
* terms of milliseconds since epoch) for the resource.
* @param urlConnection the URL connection for the resource
* @return the expiry for the resource
*/
public long calculateExpiry(URLConnection urlConnection);
}