// add XML Schema validator if needed
if (fFeatures.get(XMLSCHEMA_VALIDATION) == Boolean.TRUE) {
// If schema validator was not in the pipeline insert it.
if (fSchemaValidator == null) {
fSchemaValidator = new XMLSchemaValidator();
// add schema component
setProperty(SCHEMA_VALIDATOR, fSchemaValidator);
addCommonComponent(fSchemaValidator);
fSchemaValidator.reset(this);
// add schema message formatter