1>PULL解析XML

public void testPullGetPersons() throws Throwable{InputStream inStream = getClass().getClassLoader().getResourceAsStream("persons.xml");List<Person> persons = PULLPersonService.getPersons(inStream);for(Person person : persons){Log.i(TAG, person.toString());}}public void testSave() throws Throwable{//File file = new File(this.getContext().getFilesDir(), "person.xml");//FileOutputStream outStream = new FileOutputStream(file);List<Person> persons = new ArrayList<Person>();persons.add(new Person(34, "lili", (short)12));persons.add(new Person(56, "老毕", (short)32));persons.add(new Person(39, "老张", (short)40));/*FileOutputStream outStream = this.getContext().openFileOutput("person.xml", Context.MODE_PRIVATE);OutputStreamWriter writer = new OutputStreamWriter(outStream, "UTF-8");BufferedWriter bWriter = new BufferedWriter(writer);*/StringWriter writer = new StringWriter();PULLPersonService.save(persons, writer);Log.i(TAG, writer.toString());}

package com.duantl.service;import java.io.InputStream;import java.io.Writer;import java.util.ArrayList;import java.util.List;import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlSerializer;import android.util.Xml;import com.duantl.domain.Person;/** * 采用Pull解析XML内容 */public class PULLPersonService {public static void save(List<Person> persons, Writer writer) throws Throwable{XmlSerializer serializer = Xml.newSerializer();serializer.setOutput(writer);serializer.startDocument("UTF-8", true);serializer.startTag(null, "persons");for(Person person : persons){serializer.startTag(null, "person");serializer.attribute(null, "id", person.getId().toString());serializer.startTag(null, "name");serializer.text(person.getName());serializer.endTag(null, "name");serializer.startTag(null, "age");serializer.text(person.getAge()+"");serializer.endTag(null, "age");serializer.endTag(null, "person");}serializer.endTag(null, "persons");serializer.endDocument();writer.flush();writer.close();}public static List<Person> getPersons(InputStream inStream) throws Throwable{List<Person> persons = null;Person person = null;XmlPullParser parser = Xml.newPullParser();parser.setInput(inStream, "UTF-8");int eventType = parser.getEventType();//产生第一个事件while(eventType!=XmlPullParser.END_DOCUMENT){//只要不是文档结束事件switch (eventType) {case XmlPullParser.START_DOCUMENT:persons = new ArrayList<Person>();break;case XmlPullParser.START_TAG:String name = parser.getName();//获取解析器当前指向的元素的名称if("person".equals(name)){person = new Person();person.setId(new Integer(parser.getAttributeValue(0)));}if(person!=null){if("name".equals(name)){person.setName(parser.nextText());//获取解析器当前指向元素的下一个文本节点的值}if("age".equals(name)){person.setAge(new Short(parser.nextText()));}}break;case XmlPullParser.END_TAG:if("person".equals(parser.getName())){persons.add(person);person = null;}break;}eventType = parser.next();}return persons;}}

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