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## Package javax.xml.bind.annotation

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

See:
Description

Interface Summary
DomHandler<ElementT,ResultT extends Result> | Converts an element (and its descendants) from/to DOM (or similar) representation.

Class Summary
W3CDomHandler | `DomHandler` implementation for W3C DOM (`org.w3c.dom` package.)
XmlElement.DEFAULT | Used in `XmlElement.type()` to signal that the type be inferred from the signature of the property.
XmlElementDecl.GLOBAL | Used in `XmlElementDecl.scope()` to signal that the declaration is in the global scope.
XmlElementRef.DEFAULT | Used in `XmlElementRef.type()` to signal that the type be inferred from the signature of the property.
XmlSchemaType.DEFAULT | Used in `XmlSchemaType.type()` to signal that the type be inferred from the signature of the property.
XmlType.DEFAULT | Used in `XmlType.factoryClass()` to signal that either factory mehod is not used or that it's in the class with this `XmlType` itself.

Enum Summary
XmlAccessOrder | Used by XmlAccessorOrder to control the ordering of properties and fields in a JAXB bound class.
XmlAccessType | Used by XmlAccessorType to control serialization of fields or properties.
XmlNsForm | Enumeration of XML Schema namespace qualifications.

Annotation Types Summary
XmlAccessorOrder | Controls the ordering of fields and properties in a class.
XmlAccessorType | Controls whether fields or Javabean properties are serialized by default.
XmlAnyAttribute | Maps a JavaBean property to a map of wildcard attributes.
XmlAnyElement | Maps a JavaBean property to XML infoset representation and/or JAXB element.
XmlAttachmentRef | Marks a field/property that its XML form is a uri reference to mime content.
XmlAttribute | Maps a JavaBean property to a XML attribute.
XmlElement | Maps a JavaBean property to a XML element derived from property name.
XmlElementDecl | Maps a factory method to a XML element.
XmlElementRef | Maps a JavaBean property to a XML element derived from property's type.
XmlElementRefs | Marks a property that refers to classes with `XmlElement` or JAXBElement.
XmlElements | A container for multiple @`XmlElement` annotations.
XmlElementWrapper | Generates a wrapper element around XML representation.
XmlEnum | Maps an enum type `Enum` to XML representation.
XmlEnumValue | Maps an enum constant in `Enum` type to XML representation.
XmlID | Maps a JavaBean property to XML ID.
XmlIDREF | Maps a JavaBean property to XML IDREF.
XmlInlineBinaryData | Disable consideration of XOP encoding for datatypes that are bound to base64-encoded binary data in XML.
XmlList | Used to map a property to a list simple type.
XmlMimeType | Associates the MIME type that controls the XML representation of the property.
XmlMixed | Annotate a JavaBean multi-valued property to support mixed content.
XmlNs | Associates a namespace prefix with a XML namespace URI.
XmlRegistry | Marks a class that has `XmlElementDecl`s.
XmlRootElement | Maps a class or an enum type to an XML element.
XmlSchema | Maps a package name to a XML namespace.
XmlSchemaType | Maps a Java type to a simple schema built-in type.
XmlSchemaTypes | A container for multiple @`XmlSchemaType` annotations.
XmlSeeAlso | Instructs JAXB to also bind other classes when binding this class.
XmlTransient | Prevents the mapping of a JavaBean property/type to XML representation.
XmlType | Maps a class or an enum type to a XML Schema type.
XmlValue | Enables mapping a class to a XML Schema complex type with a simpleContent or a XML Schema simple type.

## Package javax.xml.bind.annotation Description

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

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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