Converting Array object to string using dataweave 2.0

Question

I am trying to convert Array object to String using Dataweave-2.0 with the below input and output.

Input :

[
{"Name":"Sam","language":"Java","Id":"101"},
{"Name":"Ryan","language":"C","Id":"104"},
{"Name":"Sarah","language":"C","Id":"109"},
{"Name":"Rose","language":"Java","Id":"103"}
]

My output should be: Name Sam language Java Id 101 Name Ryan language C Id 104 Name Sarah language C Id 109 Name Rose language Java Id 103

I am unable to get the expected output. Any help is appreciated in advance. Thanks

short stack stevens · Accepted Answer · 2020-12-04 19:02:10Z

2

Something like this should work:

(payload flatMap ($ pluck ($$ ++ " " ++ $))) joinBy  "   "

Output

"Name Sam   language Java   Id 101   Name Ryan   language C   Id 104   Name Sarah   language C   Id 109   Name Rose   language Java   Id 103"

answered Dec 4, 2020 at 19:02

short stack stevens

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3 Comments

anonymous Over a year ago

Yes, its working. Thanks a lot, Stevens. One more question - Is there a possibility to remove the quotes in the output?

Manish Yadav Over a year ago

Yes, You can achieve above without double quote by keeping output type: output application/java or text/plain

anonymous Over a year ago

Got it. Thanks Manish

Anurag Sharma · Accepted Answer · 2024-02-09 11:18:44Z

0

%dw 2.0 
output text/plain 
---
( 
   payload map ((item, index) ->item mapObject ((value, key, index) ->{ 
              "str": key ++ " "++ value 
               }))reduce ((item, accumulator) ->accumulator ++ item)
).*str joinBy " "

edited Feb 9, 2024 at 11:18

Anurag Sharma

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answered Jan 30, 2024 at 20:18

Ashish Shukla

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1 Comment

Community Over a year ago

As it’s currently written, your answer is unclear. Please edit to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers in the help center.

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