XMLPullParsing Example

XMLPullParser is a class in Android API, which support to parse XML Data

Screenshots:

EmployeeDetails.java

package com.swamys.xmlpullparsing.model;

public class EmployeeDetails {

       private int id;

       private String name;

       private int salary;

       public int getId() {

              return id;

       }

       public void setId(int id) {

              this.id = id;

       }

       public String getName() {

              return name;

       }

       public void setName(String name) {

              this.name = name;

       }

       public int getSalary() {

              return salary;

       }

       public void setSalary(int string) {

              this.salary = string;

       }

}

XMLPillParser.java

package com.swamys.xmlpullparsing.parser;

import java.io.IOException;

import java.io.StringReader;

import java.util.ArrayList;

import java.util.List;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import org.xmlpull.v1.XmlPullParserFactory;

import com.swamys.xmlpullparsing.model.EmployeeDetails;

public class XMLPullParser {

       public static List<EmployeeDetails> parseData(String data)

                     throws IOException {

              List<EmployeeDetails> employeeList = null;

              try

              {

              Boolean inDataItemTag = false;

              String CurrentTagName = "";

              EmployeeDetails employeeDetails = null;

              employeeList = new ArrayList<EmployeeDetails>();

              // creating XML Factory object

              XmlPullParserFactory factory = 

                XmlPullParserFactory.newInstance();

              // creating XML parser object

              XmlPullParser parser = factory.newPullParser();

              // set input to parser object

              parser.setInput(new StringReader(data));

              int eventType = parser.getEventType();

              while (eventType != XmlPullParser.END_DOCUMENT) {

                     switch (eventType) {

                     case XmlPullParser.START_TAG:

                     CurrentTagName = parser.getName();

                     if (CurrentTagName.equals("employee"))

                     {

                     inDataItemTag = true;

                     employeeDetails = new EmployeeDetails();

                     employeeList.add(employeeDetails);

                     }

                     break;

                     case XmlPullParser.TEXT:

                     if (inDataItemTag && employeeDetails != null) {

                           if (CurrentTagName.equals("id")) {

                           employeeDetails.setId(Integer.parseInt(parser

                                                .getText()));

                           } else if (CurrentTagName.equals("name")) {

                           employeeDetails.setName(parser.getText());

                           } else if (CurrentTagName.equals("salary")) {

                           employeeDetails.setSalary(Integer.parseInt(parser

                                                .getText()));

                           }

                     }

                           break;

                     case XmlPullParser.END_TAG:

                     if (parser.getName().equals("employee")) {

                           inDataItemTag = false;

                     }

                     break;

                     }

                     eventType = parser.next();

              }

       } catch (XmlPullParserException e) {

              e.printStackTrace();

       }

       return employeeList;

       }

}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:text=""

        android:textAppearance="?android:attr/textAppearanceLarge" />

</RelativeLayout>

MainActivity.java

package com.swamys.xmlpullparsing;

import java.io.IOException;

import java.util.List;

import android.app.Activity;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.widget.TextView;

import com.swamys.xmlpullparsing.model.EmployeeDetails;

import com.swamys.xmlpullparsing.parser.XMLPullParser;

public class MainActivity extends Activity {

       TextView textView;

       ProgressDialog dialog;

       EmployeeDetails employeeDetails;

       String content = "<employees><employee><id>101</id>"

                     +"<name>Chaitanya</name><salary>50000</salary>"

                     +"</employee><employee><id>102</id><name>Swamy</name>"

                     +"<salary>60000</salary></employee></employees>";

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              textView = (TextView) findViewById(R.id.textView1);

              try {

              List<EmployeeDetails> employeeList = XMLPullParser

                                  .parseData(content);

              setData(employeeList);

              } catch (IOException e) {

              e.printStackTrace();

              }

       }

       private void setData(List<EmployeeDetails> employeeList) {

              for (int i = 0; i < employeeList.size(); i++) {

                employeeDetails = employeeList.get(i);

                textView.append("Id: " + employeeDetails.getId() + "\n");

                textView.append("Name: " + employeeDetails.getName() + "\n");

                textView.append("Salary: "+employeeDetails.getSalary()+"\n");

                textView.append("____________________________\n");

              }

       }

}