Re: [camp] YAML parser issues

[Adrian Otto <adrian.otto@rackspace.com>]

YAML 1.1 is fully adequate for achieving the adoption objective.

--
Adrian

On Apr 25, 2013, at 4:42 PM, "Anish Karmarkar" <Anish.Karmarkar@oracle.com> wrote:

> +1
> 
> We ought to think about 'why' folks want YAML. And the reason is:
>  HumanFriendly(YAML) > HumanFriendly(JSON)
> 
> If that is true, then the issue of YAML being a JSON superset is of less relevant. No? OTOH, uptake and adoption is important. So if there are very few YAML 1.2 parsers out there then we shouldn't use it. OR if JSON compatibility is important then we should just stick to JSON and move to YAML 1.2 when there are parsers available.
> 
> -Anish
> --
> 
> On 4/25/13 9:27 AM, GILBERT PILZ wrote:
>> I've been doing some experimenting with YAML parsers and I've discovered
>> that JSON is a subset of YAML 1.2, but not a subset of YAML 1.1. If your
>> parser does not support YAML 1.2, there will be some JSON documents that
>> it cannot parse.
>> 
>> The following Java YAML parsers are listed on yaml.org:
>> 
>> JyYaml: This looks like a dead project (no commits for over a year).
>> 
>> SnakeYaml: SnakeYAML supports YAML 1.1. Issue 166
>> <https://code.google.com/p/snakeyaml/issues/detail?id=166> in the
>> SnakeYAML project ("Any plan to add support for YAML 1.2 spec ?") says
>> "I do not plan to work on the 1.2 spec (09-jan-2013). Feel free to
>> contribute. Please be aware that 1.2 is not supported by many parsers."
>> 
>> YamlBeans: Supports YAML 1.0 and 1.1. If there are any plans to support
>> YAML 1.2, they are not documented.
>> 
>> JYaml:Another dead project.
>> 
>> Long story short, there is no Java YAML parser (that I can find) that
>> supports YAML 1.2. This means that, for Java implementations of CAMP,
>> you'd have to use a JSON parser for the HTTP requests and responses
>> (e.g. Jackson or GSON) and SnakeYAML for the DP (e.g. SnakeYAML or
>> YamlBeans). This isn't the end of the world, and it may change some time
>> in the future but, for now, we can stop talking about how "JSON is a
>> subset of YAML". Also, if we do use YAML for the DP, we should specify
>> the use of YAML 1.1.
>> 
>> ~ gp
> 
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