> On 21 Sep 2021, at 11:35, James McMahon <jsmcmah...@gmail.com> wrote:
>
> Hello. Newbie to Groovy. Have a text string that I need to verify is a
> representation of valid JSON, or not. What is an effective means to do this
> in Groovy? I'm having difficulty determining what a method like JSONSlurper
> will return to me if the string can't be parsed because it is not valid JSON?
> I've found plenty of examples of results it returns when it works, but
> nothing yet showing me what it returns when the string isn't valid JSON.
> Hope this is a valid way to post such a question. As I said, this is my first
> time trying this or any Groovy forum. Thanks in advance for any help. -Jim
>
It doesn’t return a value, it throws groovy.json.JsonException, which is a
RuntimeException.
groovyConsole is your friend in such times…
groovy> import groovy.json.*
groovy> def slurp = new JsonSlurper()
groovy> def parsed = slurp.parseText("}{")
Exception thrown
groovy.json.JsonException: Unable to determine the current character, it is not
a string, number, array, or object
The current character read is '}' with an int value of 125
Unable to determine the current character, it is not a string, number, array,
or object
line number 1
index number 0
}{
^
--
Rachel Greenham
rac...@merus.eu
