- java.lang.Object
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- javax.xml.bind.JAXBIntrospector
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public abstract class JAXBIntrospector extends java.lang.Object
Provide access to JAXB xml binding data for a JAXB object.Intially, the intent of this class is to just conceptualize how a JAXB application developer can access xml binding information, independent if binding model is java to schema or schema to java. Since accessing the XML element name related to a JAXB element is a highly requested feature, demonstrate access to this binding information. The factory method to get a
JAXBIntrospector
instance isJAXBContext.createJAXBIntrospector()
.- Since:
- 1.6, JAXB 2.0
- See Also:
JAXBContext.createJAXBIntrospector()
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Constructor Summary
Constructors Constructor Description JAXBIntrospector()
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Method Summary
Modifier and Type Method Description abstract javax.xml.namespace.QName
getElementName(java.lang.Object jaxbElement)
Get xml element qname forjaxbElement
.static java.lang.Object
getValue(java.lang.Object jaxbElement)
Get the element value of a JAXB element.abstract boolean
isElement(java.lang.Object object)
Return true ifobject
represents a JAXB element.
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Method Detail
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isElement
public abstract boolean isElement(java.lang.Object object)
Return true if
object
represents a JAXB element.Parameter
object
is a JAXB element for following cases:- It is an instance of
javax.xml.bind.JAXBElement
. - The class of
object
is annotated with@XmlRootElement
.
- See Also:
getElementName(Object)
- It is an instance of
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getElementName
public abstract javax.xml.namespace.QName getElementName(java.lang.Object jaxbElement)
Get xml element qname for
jaxbElement
.- Parameters:
jaxbElement
- is an object thatisElement(Object)
returned true.- Returns:
- xml element qname associated with jaxbElement;
null if
jaxbElement
is not a JAXB Element.
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getValue
public static java.lang.Object getValue(java.lang.Object jaxbElement)
Get the element value of a JAXB element.
Convenience method to abstract whether working with either a javax.xml.bind.JAXBElement instance or an instance of
@XmlRootElement
annotated Java class.- Parameters:
jaxbElement
- object that #isElement(Object) returns true.- Returns:
- The element value of the
jaxbElement
.
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