try
{
if (cachingEnable)
{
CachedAcl acl = JetspeedSecurityCache.getAcl(username);
if (null != acl)
{
return acl.hasRole(rolename, groupname);
}
}
JetspeedUser user = JetspeedSecurity.getUser(username);
Role role = this.getRole(rolename);
Group group = JetspeedSecurity.getGroup(groupname);