* @see org.apache.lenya.ac.impl.AbstractAccessControllerResolver#generateCacheKey(java.lang.String, org.apache.excalibur.source.SourceResolver)
*/
protected Object generateCacheKey(String webappUrl, SourceResolver resolver)
throws AccessControlException {
URLInformation info = new URLInformation(webappUrl);
String publicationId = info.getPublicationId();
if (getLogger().isDebugEnabled()) {
getLogger().debug(
"Using first URL step (might be publication ID) as cache key: [" + publicationId + "]");
}