What is JAXBElement in Java?

What is JAXBElement?

JAXBElement is used in JAXB where the XML Schema can not be represented by a Java bean. … Each JAXBElement corresponds to an XML element. It stores the element’s tag name as well as its content. The content of a JAXBElement can be any object supported by JAXB, beans or simple types.

Can JAXBElement be null?

JAXB (JSR-222) implementations can represent null as either an absent node or a nillable element based on the nillable setting on @XmlElement . When you need to support both, or differentiate between the two then you can leverage JAXBElement .

How do you get string value from JAXBElement?

1 Answer. If getProject() returns the type JAXBElement<String> then getName() returns the name of the XML tag. To get the value of that element you need to call getValue() .

How do you set up a JAXBElement?

You can do the following: JAXBElement<String> jaxbElement = new JAXBElement(new QName(“http://mycompany/services”, “amount”), String. class, “Hello World”); There should also be a create method on the generated ObjectFactory class that will create this instance of JAXBElement with the appropriate info for you.

What is QName in Java?

QName represents a qualified name as defined in the XML specifications: XML Schema Part2: Datatypes specification, Namespaces in XML, Namespaces in XML Errata. The value of a QName contains a Namespace URI, local part and prefix. … The prefix is NOT used in QName. equals(Object) or to compute the QName.

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What is the use of Jaxb2Marshaller?

Spring OXM provides Jaxb2Marshaller instance which is used to create instances of Marshaller and Unmarshaller. We can set properties in Jaxb2Marshaller for pretty printing, encoding etc of XML.

What is qualified name in XML?

From Wikipedia, the free encyclopedia. A QName, or qualified name, is the fully qualified name of an element, attribute, or identifier in an XML document. A QName concisely associates the URI of an XML namespace with the local name of an element, attribute, or identifier in that namespace.