eclipse emf 读写xml文件

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import java.io.IOException;import java.util.Collections;import java.util.Map;import org.eclipse.emf.ecore.resource.Resource;import org.eclipse.emf.ecore.resource.ResourceSet;import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;import org.eclipse.emf.common.util.URI;import yxy.Bag;import yxy.YxyFactory;import yxy.YxyPackage;public class DriverWrite {public static void main(String[] args) {YxyPackage.eINSTANCE.eClass();Bag bag_caoch = YxyFactory.eINSTANCE.createBag();bag_caoch.setBrand("Caoch");Bag bag_mk = YxyFactory.eINSTANCE.createBag();bag_mk.setBrand("Michael Kors");// 注册XML扩展Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;Map<String, Object> m = reg.getExtensionToFactoryMap();m.put("xml", new XMIResourceFactoryImpl());ResourceSet resSet = new ResourceSetImpl();Resource resource = resSet.createResource(URI.createURI("My2.xml"));System.out.println(resource);resource.getContents().add(bag_caoch);resource.getContents().add(bag_mk);try {resource.save(Collections.EMPTY_MAP);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}

My2.xml就会生成在项目的目录下

import java.util.Map;import org.eclipse.emf.common.util.URI;import org.eclipse.emf.ecore.resource.Resource;import org.eclipse.emf.ecore.resource.ResourceSet;import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;import yxy.Bag;import yxy.YxyPackage;public class DriverRead {public static void main(String[] args) {// TODO Auto-generated method stubYxyPackage.eINSTANCE.eClass();// 注册XML扩展Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;Map<String, Object> m = reg.getExtensionToFactoryMap();m.put("xml", new XMIResourceFactoryImpl());// 创建一个资源ResourceSet resSet = new ResourceSetImpl();Resource resource = resSet.getResource(URI.createURI("My2.xml"), true);Bag bag_caoch = (Bag) resource.getContents().get(0);Bag bag_mk = (Bag) resource.getContents().get(1);System.out.println(bag_caoch.getBrand());System.out.println(bag_mk.getBrand());}}

<?xml version="1.0" encoding="ASCII"?><xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:yxy="http://yxy.csz.com">  <yxy:Bag brand="Caoch"/>  <yxy:Bag brand="Michael Kors"/></xmi:XMI>

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