@Override
public VariableReference plus(Variable v) throws ScriptException {
if (v == null) throw new ScriptException(composeMessage("Can't add a null object"));
ConfigurationNode node = v.getConfigurationNodeValue();
ConfigurationNode cn = new ConfigurationNode(configurationNode.getType());
cn.setValue(configurationNode.getValue());
Iterator<String> attIter = configurationNode.getAttributes();
while (attIter.hasNext()) {
String attrName = attIter.next();
String attrValue = configurationNode.getAttributeValue(attrName);
cn.setAttribute(attrName, attrValue);
}
int i = 0;
while (i < configurationNode.getChildCount()) {
ConfigurationNode child = configurationNode.findChild(i++);
cn.addChild(cn.getChildCount(), child);
}
cn.addChild(cn.getChildCount(), node);
return new VariableConfigurationNode(cn);
}
