Parsing JSON response using groovy

Question

I am new to groovy and need to parse JSON response. the response looks like this:

[
    {
        "name": "John",
        "start_date": "2016-09-30",
        "sort_order": 1
    },
    {
        "name": "Tony",
        "start_date": "2016-06-30",
        "sort_order": 2
    }
]

How can I get each object from that? would like to end up with name, start_date and sort_order for each student together.

tim_yates · Accepted Answer · 2016-12-08 22:08:31Z

4

You would use JsonSlurper

import groovy.json.*

def json = '''[ 
    { "name": "John", "start_date": "2016-09-30", "sort_order": 1 },
    { "name": "Tony", "start_date": "2016-06-30", "sort_order": 2 } ]'''

def parsed = new JsonSlurper().parseText(json)

assert parsed.name == ['John', 'Tony']

answered Dec 8, 2016 at 22:08

tim_yates

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3 Comments

visch Over a year ago

To get what you're asking for Punter do this, but it would be parsed.each { println it } that should get you what you want.

Punter Over a year ago

Thanks for the response but I should have been a little more clearer on what outcome i want, which is to print total object count and then to have print each object. i.e. total students= 2, student 1 is (name = john, start_date = 2016-09-30), student 2 is (name = Tony, start_date = 2016-06-30) according to the sort order

Punter Over a year ago

Added this bit to get what i want. Thanks tim_yates and dataman. for (item in parsed){ def name = item.name def startDate = item.start_date def sortOrder = item.sort_order println "name is : " + name println "startDate is : " + startDate println "sortOrder is : " + sortOrder }

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