Java tutorial
//package com.java2s; import java.io.File; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { private static String path = System.getProperty("user.dir") + "/src/org/design/pattern/"; public static Object getBean(String relativePath, String nodeName) { try { DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = dFactory.newDocumentBuilder(); Document doc; doc = builder.parse(new File(path + relativePath)); NodeList nl = doc.getElementsByTagName(nodeName); Node classNode = nl.item(0).getFirstChild(); String className = classNode.getNodeValue().trim(); Class clazz = Class.forName(className); Object obj = clazz.newInstance(); return obj; } catch (Exception e) { e.printStackTrace(); return null; } } }