BE THE CODER > XML > XOM Examples

XOM (XML Object Model) is a tree based java API for processing XML by taking the best ideas from SAX and DOM. It is simple, fast and easy to use. This requires the library xom-1.2.7.jar to be in classpath. The following example shows replacing a child element with a new element.

File Name :	com/bethecoder/tutorials/xom/tests/ReplaceChild.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.xom.tests;



import java.io.IOException;

import java.io.InputStream;

import java.util.Date;



import nu.xom.Builder;

import nu.xom.Document;

import nu.xom.Element;

import nu.xom.Elements;

import nu.xom.ParsingException;

import nu.xom.ValidityException;



public class ReplaceChild {



  /**

   * @param args

   * @throws IOException 

   * @throws ParsingException 

   * @throws ValidityException 

   */

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

    Builder builder = new Builder();

    InputStream ins = ReplaceChild.class.getClassLoader()

          .getResourceAsStream("student_list.xml");

    

    //Reads and parses the XML

    Document doc = builder.build(ins);



    //Get student list

    Elements students = doc.getRootElement().getChildElements();

    Element ageChild = null;

    Element dobChild = null;

    

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

      

      ageChild = students.get(i).getFirstChildElement("age");

      if (ageChild != null) {

        dobChild = new Element("dob");

        dobChild.appendChild(new Date().toString());

        

        //Replace 'age' element with 'dob' element

        students.get(i).replaceChild(ageChild, dobChild);

      }

    }

    

    System.out.println(doc.toXML());

  }



}

Replcace Child