term to json+erlang+chicago boss

[Laxmikant Gurnalkar]

Hi Guys, 

I am trying to convert an erlang term to json. On google I had found some solutions but did not work for me.

This is the term that I have, In my controller: 

Properties = [

    {  type, "Land" },

    {  type_code: 1 },

    {  subtypes, [ { "1": "Field" }, { "2": "Other Field" }, { "3": "Grounds" }, { "4": "Forest" }, {  "5": "Other land" } ] }
].

I tried lots of modules like json2, erlang-json etc. but getting only one error. That's why I came on a conclusion I'm doing something wrong.

This is an error I'm facing each time:

1> json2:encode(Properties).    

** exception exit: {json_encode,{bad_term,{type,"Land"}}}

     in function  json2:encode/1 (json2.erl, line 92)

-Could you please tell me, anything wrong here.
-How to convert proplist to json in erlang?

I saw mochijson2 module to do that on google, but not found in erlang on my machine. Which might be part of mochiweb, I guess.

Is there any thing else available in erlang/ChicagBoss to do that?

Thank you.

Laxmikant Gurnalkar

[kotedo]

Hi,

The error is because there IS an error:

    {  type, "Land" },

should be

    {  type: "Land" },

—Kai

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[Slava P.]

check https://github.com/klacke/yaws/blob/master/src/json2.erl for valid syntax and usage (there is a test/0 section)

> json2:encode(json2:obj_from_list([{type,"Land"},{type_code,1},{subtypes,json2:obj_from_list([{"1","Field"},{"2","Other Field"},{"3","Grounds"},{"4","Forest"},{"5","Other land"}])}])).

[123,

 [[["\"type\"",58,"\"Land\""],44,"\"type_code\"",58,"1"],

  44,"\"subtypes\"",58,

  [123,

   [[[[["\"1\"",58,"\"Field\""],

       44,"\"2\"",58,"\"Other Field\""],

      44,"\"3\"",58,"\"Grounds\""],

     44,"\"4\"",58,"\"Forest\""],

    44,"\"5\"",58,"\"Other land\""],

   125]],

 125]

u can use https://github.com/davisp/jiffy

8> jiffy:encode({[{type,<<"Land">>},{type_code,1},{subtypes,{[{<<"1">>,<<"Field">>},{<<"2">>,<<"OtherField">>},{<<"3">>,<<"Grounds">>},{<<"4">>,<<"Forest">>},{<<"5">>,<<"Otherland">>}]}}]}).

<<"{\"type\":\"Land\",\"type_code\":1,\"subtypes\":{\"1\":\"Field\",\"2\":\"OtherField\",\"3\":\"Grounds\",\"4\":\"Forest\",\"5\":\"Otherland\"}}">>

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Sincerely, Slava P.

[Laxmikant Gurnalkar]

Hey Guys, Thanks for the quick replay and sorry for delay. Acually I had got the solution. So didn't reply on it.

Thanks for the reply

[Jesse Gumm]

Glad to hear it :)

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Jesse Gumm
Owner, Sigma Star Systems
414.940.4866 || sigma-star.com || @jessegumm