Android Series III (parse XML file using Pull method)

Import Java.io.InputStream;

Import Java.io.OutputStream;

Import java.util.ArrayList;

Import java.util.List;

Import Org.xmlpull.v1.XmlPullParser;

Import Org.xmlpull.v1.XmlSerializer;

Import Android.annotation.SuppressLint;

Import android.util.Xml;

Import Com.example.domain.Person;

/**

* @author Wesley

* @version

* @date January 26, 2015 11:32:09

*

*/

public class Xmlservice {

/**

* Read data

* @param the data to be read by XML

* @return

* @throws Exception

*/

@SuppressLint ("usevalueof")

public static list<person> readXml (InputStream xml) throws exception{

list<person> persons = NULL;

person person = null;

//Create a pull instance

Xmlpullparser pullparser = Xml.newpullparser ();

//Set the XML data to be parsed for the pull parser

pullparser.setinput (XML, "UTF-8");

//Get the first event

int event = Pullparser.geteventtype ();

//Determine if document End event is not

while (event! = xmlpullparser.end_document) {

Switch (event) {

Case Xmlpullparser.start_document:

persons = new arraylist<person> ();

break;

Case Xmlpullparser.start_tag:

if ("Person". Equals (Pullparser.getname ())) {

int id = new Integer (pullparser.getattributevalue (0));

person = new person ();

Person.setid (ID);

}

if ("Name". Equals (Pullparser.getname ())) {

String name = Pullparser.nexttext ();

person.setname (name);

}

if ("Age". Equals (Pullparser.getname ())) {

int age = new Integer (Pullparser.nexttext ());

person.setage (age);

}

break;

Case Xmlpullparser.end_tag:

if ("Person". Equals (Pullparser.getname ())) {

Persons.add (person);

person = null;

}

break;

}

event = Pullparser.next ();

}

return persons;

}

/**

* Save data

* @param persons data

* @param out input direction

* @throws Exception

*/

public static void SaveXML (List<person> persons,outputstream out) throws exception{

//Create a serialized instance

XmlSerializer serializer = Xml.newserializer ();

//Set output stream

Serializer.setoutput (out, "UTF-8");

//Setup Document

serializer.startdocument ("UTF-8", true);

//Set Start tab

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 (). toString ());

Serializer.endtag (null, "age");

Serializer.endtag (null, "person");

}

//Create end tag

Serializer.endtag (NULL, "persons");

//End Document

serializer.enddocument ();

Out.flush ();

out.close ();

}

}

Android Series III (parse XML file using Pull method)