Check if JAXBElement parameter is null

Check if JAXBElement parameter is null

References

Reference NO 1

http://stackoverflow.com/questions/13651261/check-if-jaxbelement-parameter-is-null

Reference NO 2

http://stackoverflow.com/questions/1393920/how-to-use-jaxbelementstring-in-web-service

Reference NO 3

https://jaxb.java.net/nonav/2.2.4/docs/api/javax/xml/bind/Marshaller.html

Reference NO 4

http://www.tutorialspoint.com/java/xml/javax_xml_bind_jaxbelement_setvalue.htm

Reference NO 5

http://blog.bdoughan.com/2012/02/xmlanyelement-and-xmladapter.html

Reference NO 6

http://docs.oracle.com/javaee/5/api/javax/xml/bind/JAXBIntrospector.html

Reference NO 7

http://java.dzone.com/articles/mapping-arbitrary-list-objects

Reference NO 8

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