BE THE CODER > XML > XOM Examples > Xpath Query Positional Elements

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 querying an XML document using XPath expression.

File Name :	com/bethecoder/tutorials/xom/tests/XpathQuery7.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.xom.tests;



import java.io.IOException;

import java.io.InputStream;



import nu.xom.Builder;

import nu.xom.Document;

import nu.xom.Nodes;

import nu.xom.ParsingException;

import nu.xom.ValidityException;



public class XpathQuery7 {



  /**

   * @param args

   * @throws IOException 

   * @throws ParsingException 

   * @throws ValidityException 

   */

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

    Builder builder = new Builder();

    InputStream ins = XpathQuery7.class.getClassLoader()

          .getResourceAsStream("randoms.xml");

    

    //Reads and parses the XML

    Document doc = builder.build(ins);

    

    //Selects the first two Numbers that are children of the RandomNumbers element

    //It uses 1 - based index not 0 - based

    Nodes nums = doc.query("//RandomNumbers/Number[position() < 3]");

    

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

      System.out.println(nums.get(i).getValue());  

    }

  }



}