/**
* Return the base type from which this type inherits - that is, all xsd types are either
* xsd:anyType or xsd:anySimpleType at the topmost level of inheritance, so return the second
* topmost level of type's inheritance. The first specific type from which type inherits.
*
* @param type
* @return the root type definition
*/
public static XSDTypeDefinition getRootType(XSDTypeDefinition type) {
if (type == null) return null;
XSDTypeDefinition baseType = type.getBaseType();
while (baseType != null
&& !XSDConstants.isAnySimpleType(baseType)
&& !XSDConstants.isAnyType(baseType)) {
// walk one more step up the hierarchy
type = baseType;
baseType = type.getBaseType();
}
// Since baseType, type's immediate parent, broke the while condition, we know that type is now
// as high up the tree as we want to be
return type;
}
