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Android Xml解析之Pull

2016-11-11 14:19 274 查看
//Test.java

public class Test {

public Test() {
// TODO Auto-generated constructor stub
}

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String path = "http://localhost:8080/myhttp/persion.xml";
InputStream inputStream = HttpUtils.getXML(path);
List<Person> list = null;
try {
list = PullXMLTools.parseXML(inputStream, "utf-8");
for (Person person : list) {
System.out.println(person.toString());
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

}
//HttpUtils .java

public class HttpUtils {

/**
* 从服务器获得xml文件返回流
* @param path
* @return
*/
public static InputStream getXML(String path) {
InputStream inputStream = null;
try {
URL url = new URL(path);
if (url != null) {
HttpURLConnection connection = (HttpURLConnection) url
.openConnection();
connection.setConnectTimeout(3000);
connection.setDoInput(true);
connection.setRequestMethod("GET");
int code = connection.getResponseCode();
if (code == 200) {
inputStream = connection.getInputStream();
}
}
} catch (Exception e) {
// TODO: handle exception
}
return inputStream;
}
}

/**
* 主要是使用PULL解析xml
*
* @author jack
*
*/
public class PullXMLTools {

public PullXMLTools() {
// TODO Auto-generated constructor stub
}

/**
* @param inputStream
*            从服务器获取xml文件,以流的形式返回
* @param encode
*            编码格式
* @return
* @throws Exception
*/
public static List<Person> parseXML(InputStream inputStream, String encode)
throws Exception {
List<Person> list = null;
Person person = null;// 装载解析每一个person节点的内容
// 创建一个xml解析的工厂
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
// 获得xml解析类的引用
XmlPullParser parser = factory.newPullParser();
parser.setInput(inputStream, encode);
// 获得事件的类型
int eventType = parser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_DOCUMENT:
list = new ArrayList<Person>();
break;
case XmlPullParser.START_TAG:
if ("person".equals(parser.getName())) {
person = new Person();
}
if ("name".equals(parser.getName())) {
String name = parser.nextText();// 获取该节点的内容
person.setName(name);
}
if ("age".equals(parser.getName())) {
int age = Integer.parseInt(parser.nextText());
person.setAge(age);
}
if ("id".equals(parser.getName())) {
int id = Integer.parseInt(parser.nextText());
person.setId(id);
}
break;
case XmlPullParser.END_TAG:
if ("person".equals(parser.getName())) {
list.add(person);
person = null;
}
break;
}
eventType = parser.next();
}
return list;
}

}
//Person.java

package com.pull.domain;

public class Person {

private int id;
private String name;
private int age;

public int getId() {
return id;
}

public Person(int id, String name, int age) {
super();
this.id = id;
this.name = name;
this.age = age;
}

public void setId(int id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public int getAge() {
return age;
}

public void setAge(int age) {
this.age = age;
}

public Person() {
// TODO Auto-generated constructor stub
}

@Override
public String toString() {
return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";
}

}



                                            
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