Support XML element name based on runtime type #679
Description
XSD schema's support a way to name an element based on its runtime type through substitution groups. I'm trying to deserialise such a substitution group. Is this supported in some way?
Example. Suppose there is two types of Animals: Cows and Goats. Based on their type, I want their element to be named either cow or goat. This would be modelled as follows:
XSD:
<!-- XML root element --> <xs:element name="document"> <xs:complexType> <xs:sequence> <xs:element ref="animal"/> <!-- Note that the name of this element is determined by the actual type of animal --> </xs:sequence> </xs:complexType> </xs:element> <!-- Element names: `Cow`s should be serialised as an element named `cow`, `Goat`s should be serialised as an element named `goat`. --> <xs:element name="animal" type="Animal" abstract="true" /> <xs:element name="cow" type="Cow" substitutionGroup="animal" /> <xs:element name="goat" type="Goat" substitutionGroup="animal" /> <!-- Types: `Cow` and `Goat` extend from `Animal` --> <xs:complexType name="Animal"> <xs:attribute name="name" type="xs:string" /> </xs:complexType> <xs:complexType name="Cow"> <xs:complexContent> <xs:extension base="Animal" /> </xs:complexContent> </xs:complexType> <xs:complexType name="Goat"> <xs:complexContent> <xs:extension base="Animal" /> </xs:complexContent> </xs:complexType>XML example instances:
<document> <cow name="Cow1" /> </document><document> <goat name="Goat1" /> </document>Java model:
@XmlRootElement(name="document") public class Document { private Animal animal; public Animal getAnimal() { return animal; } public void setAnimal(Animal animal) { this.animal = animal; } } public class Animal { @JacksonXmlProperty(isAttribute = true) private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } } public class Cow extends Animal {} public class Goat extends Animal {}Is there a way of annotating the classes to get the desired behaviour?