public boolean contextHasFormBasedSecurityConstraint(){
if(_contextHasFormBasedSecurityConstraint != null) {
return _contextHasFormBasedSecurityConstraint.booleanValue();
}
final Context context = (Context)getContainer();
final SecurityConstraint[] constraints = context.findConstraints();
final LoginConfig loginConfig = context.getLoginConfig();
_contextHasFormBasedSecurityConstraint = constraints != null && constraints.length > 0
&& loginConfig != null && Constants.FORM_METHOD.equals( loginConfig.getAuthMethod() );
return _contextHasFormBasedSecurityConstraint;
}