How to parse json string in groovy ? ...

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Replies: 6 - Pages: 1 - Last Post: 30 Aug 24, 10:47 Last Post By: davidekholm

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wiener30

Posts: 17
Registered: 8-Sep-2009

How to parse json string in groovy ?
Posted: 29 Aug 24, 11:44

In seems the library

import groovy.json.JsonSlurper

is not available.

RobM

Posts: 3,964
Registered: 4-Aug-2006

Re: How to parse json string in groovy ?
Posted: 29 Aug 24, 12:26

in response to: wiener30

Information on JSON data
https://jalbum.net/help/en/JSON_data
https://jalbum.net/help/en/Single_page_web_album

What is it you want to do?

wiener30

Posts: 17
Registered: 8-Sep-2009

Re: How to parse json string in groovy ?
Posted: 29 Aug 24, 12:33

in response to: RobM

I have a string

def jsonString = '''{
    "geoObjects": [
        {
            "name": "Summit 1",
            "latlon": "36.12345, 6.123456",
        },
        {
            "name": "Summit 2",
            "latlon": "36.6789, 6.6789",
        },
    ]
}'''

and I want to extract it into an Array of Maps.

davidekholm

Posts: 3,666
Registered: 18-Oct-2002

Re: How to parse json string in groovy ?
Posted: 29 Aug 24, 21:48

in response to: wiener30

jAlbum uses a json library called json-simple. Here's a usage example. Try it in jAlbum's system console:

import com.github.cliftonlabs.json_simple.*;
 
jsonString = '''{
    "geoObjects": [
        {
            "name": "Summit 1",
            "latlon": "36.12345, 6.123456",
        },
        {
            "name": "Summit 2",
            "latlon": "36.6789, 6.6789",
        },
    ]
}'''
 
data  = Jsoner.deserialize(jsonString)
 
data.geoObjects[0].name // Prints "Summit 1"
data.geoObjects[0].latlon  // Prints "36.12345, 6.123456"

RobM

Posts: 3,964
Registered: 4-Aug-2006

Re: How to parse json string in groovy ?
Posted: 29 Aug 24, 22:00

in response to: davidekholm

davidekholm wrote:
jAlbum uses a json library called json-simple. Here's a usage example.

That's interesting and good to know, I've added it to the code snippets page for easy access.
Never used json in pure Groovy, always converted it to JavaScript to make the html pages.

wiener30

Posts: 17
Registered: 8-Sep-2009

Re: How to parse json string in groovy ?
Posted: 30 Aug 24, 08:15

in response to: davidekholm

Thank you, very helpful.

davidekholm

Posts: 3,666
Registered: 18-Oct-2002

Re: How to parse json string in groovy ?
Posted: 30 Aug 24, 10:47

in response to: wiener30

You're welcome!

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