Java tutorial
import java.util.ArrayList; import java.util.Collections; import java.util.List; import javax.xml.stream.XMLEventFactory; import javax.xml.stream.XMLEventWriter; import javax.xml.stream.XMLOutputFactory; import javax.xml.stream.events.Attribute; import javax.xml.stream.events.Namespace; public class Main { public static void main(String[] args) throws Exception { XMLEventFactory eventFactory = XMLEventFactory.newInstance(); XMLEventWriter writer = XMLOutputFactory.newInstance().createXMLEventWriter(System.out); Namespace ns1 = eventFactory.createNamespace("ns1", "http://www.e.com/ns1"); Namespace ns2 = eventFactory.createNamespace("ns2", "http://www.e.com/ns2"); List<Namespace> namespaceList = new ArrayList<Namespace>(); namespaceList.add(ns1); namespaceList.add(ns2); Attribute attribute = eventFactory.createAttribute(ns2.getPrefix(), ns2.getNamespaceURI(), "attribute", "true"); writer.add(eventFactory.createStartElement(ns1.getPrefix(), ns1.getNamespaceURI(), "sample", Collections.singletonList(attribute).iterator(), namespaceList.iterator())); writer.add(eventFactory.createEndDocument()); writer.flush(); } }