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hamzah
xml Converting to java using JDOM
1 Answer(s)      2 years and 11 months ago
Posted in : Java Beginners


Hello , I am new to java and JDom so i make a Xml file and i need help to read it from java using objects , my idea is i have school has a class,class has a 3 students ,student has a address and in java i have school,class,student,address class each one have a setter and getter , i dont know how to differentiate that this for example: line in xml should be inside a student object i will include the java code and xml code and i hope somebody helps me

    import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;

public class PlayWithJDom {
    static List cls = new ArrayList();
    static List clas;
    static School school = new School();

    public static void main(String[] args) throws JDOMException, IOException {

        SAXBuilder builder1 = new SAXBuilder();
        Document doc = builder1
                .build("C:\\Users\\h.khammash\\Desktop\\Studening workspace\\XMLParsing\\Schools.xml");
        Element element = doc.getRootElement();
        ReadClass(element);

    }

    public static void ReadClass(Element element) throws JDOMException,
            IOException {
        List list = element.getChildren();
        Iterator iterator = list.iterator();
        while (iterator.hasNext()) {
            Element child = (Element) iterator.next();
            System.out.println(child.getValue().trim());
            ReadClass(child);

        }

    }

}

and XML FILE :

<School>

    <class id ="1">
        <Name>Alsharef Husain</Name>
        <Student id="1">
            <Name>Hamzah</Name>
              <Address>
                <id>1441</id>
              </Address>
        </Student >
        <Student id="2">
            <Name>khammash</Name>
            <Address>
                <id>1442</id>
            </Address>
        </Student>
        <Student id="3">
            <Name>Hani</Name>
            <Address>
                <id>1443</id>
            </Address>
        </Student>
        <Student id="4">
            <Name>kim</Name>
            <Address>
                <id>1445</id>
            </Address>
        </Student>
        <Student id="5">
            <Name>Viper</Name>
            <Address>
                <id>14454</id>
            </Address>
        </Student>
    </class>
</School>

Thanks


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View Answers

January 11, 2012 at 3:46 PM


import java.io.*;
import org.jdom.*;
import java.util.*;
import org.jdom.input.SAXBuilder;

public class ReadXMLUsingJDOM {
  public static void main(String[] args) {
      SAXBuilder builder = new SAXBuilder();
      File xmlFile = new File("c:\\Schools.xml");

      try {

        Document document = (Document) builder.build(xmlFile);
        Element rootNode = document.getRootElement();
        List list = rootNode.getChildren("class");

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

           Element node = (Element) list.get(i);
           String classid = node.getAttribute("id").getValue();
           String name = node.getChildText("Name");
           System.out.println("Class ID: "+classid);
           System.out.println("Name: "+name);

           List list1 = node.getChildren("Student");
            for (int j = 0; j < list1.size(); j++) {
            Element node1 = (Element) list1.get(j);
            String sid = node1.getAttribute("id").getValue();
            String sname = node1.getChildText("Name");
            System.out.println("Student ID: "+sid);
            System.out.println("Student Name: "+sname);
            List list2 = node1.getChildren("Address");
            for (int k = 0; k < list2.size(); k++) {
               Element node2 = (Element) list2.get(k);
               String saddress = node2.getChildText("id");
               System.out.println("Address: "+saddress);
               }
            }
         }
      }
    catch (Exception e) {
      System.out.println("Execption " + e.getMessage());
    }
  }
}


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