/**
* Return all matching properties from provided root attribute and xPath.
*
* @param root The root attribute to start searching from
* @param xpath The xPath matching the attribute
* @return The matching attributes collection
*/
private Collection<Property> getProperties(ComplexAttribute root, StepList xpath) {
final StepList steps = new StepList(xpath);
Iterator<Step> stepsIterator = steps.iterator();
Collection<Property> properties = null;
Step step = null;
if (stepsIterator.hasNext()) {
step = stepsIterator.next();
properties = ((ComplexAttribute) root).getProperties(Types.toTypeName(step.getName()));
}
while (stepsIterator.hasNext()) {
step = stepsIterator.next();
Collection<Property> nestedProperties = new ArrayList<Property>();
for (Property property : properties) {
assert property instanceof ComplexAttribute;
Collection<Property> tempProperties =
((ComplexAttribute) property).getProperties(Types.toTypeName(step.getName()));
if (!tempProperties.isEmpty()) {
nestedProperties.addAll(tempProperties);
}
}
properties.clear();
if (nestedProperties.isEmpty()) {
return properties;
}
properties.addAll(nestedProperties);
}
return properties;
}
/**
* Returns first matching attribute from provided root and xPath.
*
* @param root The root attribute to start searching from
* @param xpath The xPath matching the attribute
* @return The first matching attribute
*/
private Property getProperty(Attribute root, StepList xpath) {
Property property = root;
final StepList steps = new StepList(xpath);
Iterator<Step> stepsIterator = steps.iterator();
while (stepsIterator.hasNext()) {
assert property instanceof ComplexAttribute;
Step step = stepsIterator.next();
property = ((ComplexAttribute) property).getProperty(Types.toTypeName(step.getName()));
if (property == null) {
return null;
}
}
return property;
}