public void setExpressionValue(String xpath, String expression) {
// #debug
System.out.println("setExpressionValue xpath=" + xpath + ", expression=" + expression);
XFormsModel model = getModel();
InstanceItem item = model.getInstanceItem(xpath, getContext(), this);
if (item == null) {
// #debug warning
System.out.println("Could not set " + xpath + " to " + expression + ", no such data element");
return;
}
Node context = item.getNode();
XPathExpression expr = model.createExpression(expression, this);
String value = expr.evaluate(context, XPathResult.STRING).asString();
// #debug
System.out.println("Setting value to " + value);
item.setStringValue(value);
}
public XPathResult getValue(String xpath) {
XFormsModel model = getModel();
XPathExpression expr = model.createExpression(xpath, this);
return expr.evaluate(getContext(), XPathResult.ANY);
}