if(expressionsElem != null){
Iterator iterator = expressionsElem.getChildElements();
while(iterator.hasNext()){
OMElement elem = (OMElement)iterator.next();
String expression = elem.getText();
assertion.addExpression(expression);
}
}
OMElement nsElem = element.getFirstChildWithName(new QName(RampartConfig.NS, OptimizePartsConfig.NAMESPACES_LN));