Gist to convert Json string to a specific object type

JsonToObject.groovy

package com.charter.aesd.activationlogin.edge.rest

import groovy.json.JsonBuilder
import groovy.json.JsonSlurper
import groovy.transform.ToString

/**
 * Created by rhasija on 1/15/16.
 */
class JsonToObject {

    public static void main(String[] args) {
        // Person object
        def person = new Person(firstName: "John", lastName: "Doe")
        // Json String
        def personJSON = new JsonBuilder(person).toPrettyString()
        // Json String to Map
        def personMap = new JsonSlurper().parseText(personJSON)
        // using Map to convert to Person object type
        def newPerson = new Person(personMap)

        println(person)
        println(newPerson)

        assert newPerson.firstName == person.firstName
        assert newPerson.lastName == person.lastName
    }
}

@ToString
class Person {
    String firstName
    String lastName
}