Here you can find the source of getDocumentBuilder()
public static final DocumentBuilder getDocumentBuilder()
//package com.java2s; /*/*from w ww . j a v a2s.c o m*/ * JBoss, Home of Professional Open Source * Copyright 2006, Red Hat Middleware LLC, and individual contributors * as indicated by the @author tags. * See the copyright.txt in the distribution for a full listing * of individual contributors. * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU Lesser General Public License, v. 2.1. * This program is distributed in the hope that it will be useful, but WITHOUT A * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. * You should have received a copy of the GNU Lesser General Public License, * v.2.1 along with this distribution; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. * * (C) 2005-2006, * @author JBoss Inc. */ import javax.xml.parsers.*; public class Main { public static final DocumentBuilder getDocumentBuilder() { try { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); return factory.newDocumentBuilder(); } catch (Exception ex) { ex.printStackTrace(); } return null; } }