Parsing XML in Groovy using XmlSlurper

In my previous post I showed different ways in which we can parse XML document in Java. You must have noticed the code being too much verbose. Other JVM languages like Groovy, Scala provide much better support for parsing XML documents.

In this post I give you the code to parse the XML document in Grooy and one can compare the ease with which we can parse XML documents. I make use of XmlSlurper API in Groovy which loads the complete XML into a tree and this tree can be then navigated using Groovy’s version of XPath called GPath.

The XML document I am using is the same one used here and also the intent is to parse the XML and create a list of Employee object.

class XmlParserDemo {
  static void main(args){
    def empList = new ArrayList<Employee>();
    def emp;
    def employees = 
      new XmlSlurper().parse(ClassLoader.
    employees.employee.each{ node -> 
      emp = new Employee();
      emp.firstName = node.firstName
      emp.lastName = node.lastName = node.@id
      emp.location = node.location
    empList.each{ empT -> println(empT)}
class Employee{
  String firstName
  String lastName
  String id
  String location
  public String toString(){
    return "${firstName} ${lastName}(${id}) in ${location}"

The output is:

Rakesh Mishra(111) in Bangalore
John Davis(112) in Chennai
Rajesh Sharma(113) in Pune

And the XML is present in the “xml” package and is available in the classpath of the application. I am using the ClassLoader to load the XML resource.

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