Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2011 Greg Riccardi, Guillaume Jimenez. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v2.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * * Contributors: * Greg Riccardi - initial API and implementation * Guillaume Jimenez - initial API and implementation ******************************************************************************/ import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Unmarshaller; public class Main { public static final String REQ_PKG = "net.morphbank.mbsvc3.xml"; static JAXBContext jc = null; static Unmarshaller unmarshaller = null; public static Unmarshaller getUnmarshaller() { if (unmarshaller != null) { return unmarshaller; } try { if (jc == null) { jc = JAXBContext.newInstance(REQ_PKG); } unmarshaller = jc.createUnmarshaller(); return unmarshaller; } catch (JAXBException e) { e.printStackTrace(); return null; } } }