Here you can find the source of toXml(T object)
public static <T> String toXml(T object) throws JAXBException
//package com.java2s; //License from project: Open Source License import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import java.io.StringWriter; public class Main { public static <T> String toXml(T object) throws JAXBException { JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass()); Marshaller marshaller = jaxbContext.createMarshaller(); marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); StringWriter writer = new StringWriter(); marshaller.marshal(object, writer); return writer.toString(); }/*from w w w .ja va 2 s . com*/ }