protected AbstractStructuredDataAccessPointAdapter wrapElement(TypedXPath xPath, Object value) {
AbstractStructuredDataAccessPointAdapter adapter = null;
if (null != adapters) {
// was this value wrapped before?
adapter = (AbstractStructuredDataAccessPointAdapter) adapters.get(xPath);
}
if (null == adapter) {
if (xPath.isList()) {
adapter = new StructuredDataListAccessor(xPath, null, isConstant());
} else if (BigData.NULL == xPath.getType() || xPath.getChildXPaths().size() > 0) {
adapter = new StructuredDataMapAccessor(xPath, null, isConstant());
}
if (null == adapters) {
this.adapters = CollectionUtils.newMap();
}
adapters.put(xPath, adapter);
}
if (null != adapter) {
if (adapter.getValue() != value) {
adapter.bindValue(value);
}
}
return adapter;
}
protected TypedXPath getChildXPath(String name) {
TypedXPath result = null;
if (null != xPath) {
// if the "@" property is requested, assume it points to the
// content of the current element
if (StructuredDataConverter.NODE_VALUE_KEY.equals(name)) {
return this.xPath;
}
// TODO evaluate type of attribute, if defined
if (xPath.isList() && "[]".equals(name)) {
return new ListValuedXPathAdapter(xPath);
}
result = xPath.getChildXPath(name);
if (result == null && !name.startsWith(StructuredDataConverter.NODE_VALUE_KEY)) {
// try to search for an attribute xpath if no element xpath was found
// this allows to access attributes using element.attributeName
// as well as element["@attributeName"
result = xPath.getChildXPath(StructuredDataConverter.NODE_VALUE_KEY + name);
}
}
return result;
}