Re: Pharo-users Digest, Vol 43, Issue 109

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> Today's Topics:
>
>    1. Re: NeoJSON with Rest (kmo)
>    2. Re: NeoJSON with Rest (Asbath Sama biyalou)
>    3. Re: NeoJSON with Rest (Sven Van Caekenberghe)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 19 Nov 2016 01:36:54 -0800 (PST)
> From: kmo <[hidden email]>
> To: [hidden email]
> Subject: Re: [Pharo-users] NeoJSON with Rest
> Message-ID: <[hidden email]>
> Content-Type: text/plain; charset=us-ascii
>
> This works for me:
>
> Say you have a class called MyObject and you want a JSON representation of
> it.
>
> On the *class *side of MyObject add this method:
>
> neoJsonMapping: mapper
> "For inheritance mapping to work, the schema/classname must be self,
> but the instance variables have to be enumerated manually per class"
>
> mapper for: self do: [ :mapping |
> mapping mapAllInstVars ].
>
>
> On the* instance *side of MyObject add:
>
> asJson
> ^NeoJSONWriter toString: self.
>
> Now you can return JSON for any instance of MyObject with a simple:
>
> myobjectinstance asJson.
>
> This code gives you all the instance variables of MyObject as a JSON string,
> but you can change the mapping statement to tailor it to include exactly
> what you want.
>
> Hope this helps.
>
>
>
>
>
> --
> View this message in context: http://forum.world.st/NeoJSON-with-Rest-tp4923754p4923762.html
> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sat, 19 Nov 2016 15:32:36 +0100
> From: Asbath Sama biyalou <[hidden email]>
> To: Sven Van Caekenberghe <[hidden email]>, Any question about pharo is
> welcome <[hidden email]>
> Subject: Re: [Pharo-users] NeoJSON with Rest
> Message-ID: <[hidden email]>
> Content-Type: text/plain; charset="windows-1252"
>
> Thank you Sven. I check those example. very helpfull.
>
> But I use this method toJson to convert the stream to json and I get :
>
> PrimitiveFailed: primitive #basicNew: in ByteString class failed
>
> toJson
> ^ String streamContents: [ :stream |
> (NeoJSONWriter on: stream)
> for: Date
> customDo: [ :mapping | mapping encoder: [ :value | value asDateAndTime printString  ] ];
> nextPut: data ]
>
> Did you see some errors.
>
>
>
> On 19/11/2016 09:52, Sven Van Caekenberghe wrote:
>> Did you read https://ci.inria.fr/pharo-contribution/job/EnterprisePharoBook/lastSuccessfulBuild/artifact/book-result/NeoJSON/NeoJSON.html ?
>>
>> Did you check out the unit tests ? Some of them serve as examples. Checkout NeoJSONTestObject1 2 3 and the tests #testObject1 2 3 for example.
>>
>>> On 19 Nov 2016, at 08:24, Asbath Sama biyalou via Pharo-users <[hidden email]> wrote:
>>>
>>>
>>> From: Asbath Sama biyalou <[hidden email]>
>>> Subject: NeoJSON with Rest
>>> Date: 19 November 2016 at 08:24:13 GMT+1
>>> To: Pharo users users <[hidden email]>
>>>
>>>
>>> Hello.
>>>
>>> I want an example of implementation of neojson on a pharo object.
>>>
>>> I am trying to implement neoJsonOn: method on a pharo object but when I
>>> test I get a Character mapping not found
>>>
>>> in NeoJSONWriter.
>>>
>>> Thanks.
>>>
>>>
>>>
>>>
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> ------------------------------
>
> Message: 3
> Date: Sat, 19 Nov 2016 15:49:28 +0100
> From: Sven Van Caekenberghe <[hidden email]>
> To: Asbath Sama biyalou <[hidden email]>
> Cc: Any question about pharo is welcome <[hidden email]>
> Subject: Re: [Pharo-users] NeoJSON with Rest
> Message-ID: <[hidden email]>
> Content-Type: text/plain; charset=us-ascii
>
> This works for me:
>
> String streamContents: [ :out |
>   (NeoJSONWriter on: out)
>      for: Date customDo: [ :mapping | mapping encoder: [ :value | value asDateAndTime printString ] ];
>      nextPut: { #date -> Date today } asDictionary ].
>
> "'{""date"":""2016-11-19T00:00:00+01:00""}'"
>
> String streamContents: [ :out |
>   (NeoJSONWriter on: out)
>      for: Date customDo: [ :mapping | mapping encoder: [ :value | value yyyymmdd ] ];
>      nextPut: { #date -> Date today } asDictionary ].
>
> "'{""date"":""2016-11-19""}'"
>
>> On 19 Nov 2016, at 15:32, Asbath Sama biyalou <[hidden email]> wrote:
>>
>> Thank you Sven. I check those example. very helpfull.
>>
>> But I use this method toJson to convert the stream to json and I get :
>>
>> PrimitiveFailed: primitive #basicNew: in ByteString class failed
>>
>> toJson
>> ^ String streamContents: [ :stream |
>> (NeoJSONWriter on: stream)
>> for: Date
>> customDo: [ :mapping | mapping encoder: [ :value | value asDateAndTime printString  ] ];
>> nextPut: data ]
>>
>> Did you see some errors.
>>
>>
>>
>> On 19/11/2016 09:52, Sven Van Caekenberghe wrote:
>>> Did you read https://ci.inria.fr/pharo-contribution/job/EnterprisePharoBook/lastSuccessfulBuild/artifact/book-result/NeoJSON/NeoJSON.html
>>>  ?
>>>
>>> Did you check out the unit tests ? Some of them serve as examples. Checkout NeoJSONTestObject1 2 3 and the tests #testObject1 2 3 for example.
>>>
>>>
>>>> On 19 Nov 2016, at 08:24, Asbath Sama biyalou via Pharo-users <[hidden email]>
>>>>  wrote:
>>>>
>>>>
>>>> From: Asbath Sama biyalou
>>>> <[hidden email]>
>>>>
>>>> Subject: NeoJSON with Rest
>>>> Date: 19 November 2016 at 08:24:13 GMT+1
>>>> To: Pharo users users
>>>> <[hidden email]>
>>>>
>>>>
>>>>
>>>> Hello.
>>>>
>>>> I want an example of implementation of neojson on a pharo object.
>>>>
>>>> I am trying to implement neoJsonOn: method on a pharo object but when I
>>>> test I get a Character mapping not found
>>>>
>>>> in NeoJSONWriter.
>>>>
>>>> Thanks.
>>>>
>>>>
>>>>
>>>>
>>>>
>
>
>
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