Defines annotations for customizing Java program elements to XML Schema mapping.

Package Specification

The following table shows the JAXB mapping annotations that can be associated with each program element.

Program Element	JAXB annotation
Package	XmlAccessorOrder XmlAccessorType XmlSchema XmlSchemaType XmlSchemaTypes XmlJavaTypeAdapter XmlJavaTypeAdapters
Class	XmlAccessorOrder XmlAccessorType XmlInlineBinaryData XmlRootElement XmlType XmlJavaTypeAdapter
Enum type	XmlEnum XmlEnumValue (enum constant only) XmlRootElement XmlType XmlJavaTypeAdapter
JavaBean Property/field	XmlElement XmlElements XmlElementRef XmlElementRefs XmlElementWrapper XmlAnyElement XmlAttribute XmlAnyAttribute XmlTransient XmlValue XmlID XmlIDREF XmlList XmlMixed XmlMimeType XmlAttachmentRef XmlInlineBinaryData XmlElementDecl (only on method) XmlJavaTypeAdapter
Parameter	XmlList XmlAttachmentRef XmlMimeType XmlJavaTypeAdapter

Terminology

JavaBean property and field: For the purposes of mapping, there is no semantic difference between a field and a JavaBean property. Thus, an annotation that can be applied to a JavaBean property can always be applied to a field. Hence in the Javadoc documentation, for brevity, the term JavaBean property or property is used to mean either JavaBean property or a field. Where required, both are explicitly mentioned.

top level class: For the purpose of mapping, there is no semantic difference between a top level class and a static nested class. Thus, an annotation that can be applied to a top level class, can always be applied to a nested static class. Hence in the Javadoc documentation, for brevity, the term "top level class" or just class is used to mean either a top level class or a nested static class.

mapping annotation:A JAXB 2.0 defined program annotation based on the JSR 175 programming annotation facility.

Common Usage Constraints

The following usage constraints are defined here since they apply to more than annotation:

• For a property, a given annotation can be applied to either read or write property but not both.
• A property name must be different from any other property name in any of the super classes of the class being mapped.
• A mapped field name or the decapitalized name of a mapped property must be unique within a class.

Notations

Namespace prefixes

The following namespace prefixes are used in the XML Schema fragments in this package.

Prefix	Namespace	Notes
xs	http://www.w3.org/2001/XMLSchema	Namespace of XML Schema namespace
ref	http://ws-i.org/profiles/basic/1.1/xsd	Namespace for swaref schema component
xsi	http://www.w3.org/2001/XMLSchema-instance	XML Schema namespace for instances

since

JAXB 2.0