BE THE CODER > Tools and Libs > JXPath > Parse XML through Document Container

JXPath is a java library for Object Graph Navigation using the XPath syntax. This requires the libraries commons-jxpath-1.3.jar, commons-beanutils.jar and commons-logging.jar to be in classpath. The following example shows parsing and traversing XML in JXPath.

File Name :	com/bethecoder/tutorials/jxpath/DocumentContainerTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.jxpath;



import java.net.URL;

import java.util.Iterator;



import org.apache.commons.jxpath.Container;

import org.apache.commons.jxpath.JXPathContext;

import org.apache.commons.jxpath.xml.DocumentContainer;



public class DocumentContainerTest {



  /**

   * @param args

   */

  public static void main(String[] args) {

    

    //Get the URL the of XML document

    URL url = DocumentContainerTest.class.getClassLoader().getResource("student_class.xml");

    

    //Construct document container from the URL to XML

    Container container = new DocumentContainer(url);

    

    JXPathContext context = JXPathContext.newContext(container);

    

    Iterator<?> subjects = context.iterate("/studentClass/subjects_list/subject");

      while (subjects.hasNext()) {

        System.out.println(subjects.next());

      }

      

      Iterator<?> stdNames = context.iterate("/studentClass/student_list/student/firstName");

      while (stdNames.hasNext()) {

        System.out.println(stdNames.next());

      }

      

      System.out.println(context.getValue("/studentClass/student_list/student[@id='1']/firstName"));

  }



}