Here you can find the source of parseDocument(byte[] bytes)
static private Document parseDocument(byte[] bytes) throws IOException, ParserConfigurationException, SAXException
//package com.java2s; //License from project: Open Source License import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.xml.sax.SAXException; public class Main { static private Document parseDocument(byte[] bytes) throws IOException, ParserConfigurationException, SAXException { DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); documentBuilderFactory.setNamespaceAware(true); DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder(); InputStream is = new ByteArrayInputStream(bytes); try {// w w w . ja v a 2s .c om return documentBuilder.parse(is); } finally { is.close(); } } }