Class JAXBIntrospector
- java.lang.Object
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- javax.xml.bind.JAXBIntrospector
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public abstract class JAXBIntrospector extends 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
JAXBIntrospectorinstance isJAXBContext.createJAXBIntrospector().- Since:
- JAXB2.0
- See Also:
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JAXBContext.createJAXBIntrospector()
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Constructor Summary
Constructors Constructor and Description JAXBIntrospector()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method and Description abstract QNamegetElementName(Object jaxbElement)Get xml element qname forjaxbElement.static ObjectgetValue(Object jaxbElement)Get the element value of a JAXB element.abstract booleanisElement(Object object)Return true ifobjectrepresents a JAXB element.
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Method Detail
isElement
public abstract boolean isElement(Object object)
Return true if
objectrepresents a JAXB element.Parameter
objectis a JAXB element for following cases:- It is an instance of
javax.xml.bind.JAXBElement. - The class of
objectis annotated with@XmlRootElement.
- See Also:
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getElementName(Object)
- It is an instance of
getElementName
public abstract QName getElementName(Object jaxbElement)
Get xml element qname for
jaxbElement.- Parameters:
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jaxbElement- is an object thatisElement(Object)returned true. - Returns:
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xml element qname associated with jaxbElement; null if
jaxbElementis not a JAXB Element.
getValue
public static Object getValue(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:
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jaxbElement- object that #isElement(Object) returns true. - Returns:
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The element value of the
jaxbElement.
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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