rails 3: is there way to automatically create a hash from a string representation of a hash

Question

I have a string, which my app reads from a remote API source (Facebook graph), that looks like:

s = '{
     "id": "123456",
     "name": "App name",
     "link": "http://www.example.com",
     "location": {
       "street": "123 Main St",
       "city": "Anytown",
       "state": "XX"
      },
     "username": "platform"
    }'

Is there a simple method to create a hash from that string?

Are you sure this is the input? If you didn't have the last comma, you could have used JSON to parse. — Dogbert
– Dogbert, Commented Aug 9, 2011 at 16:51
you're right about the comma, which I just fixed, (I removed a lot of lines so it was shorter example). How would I use JSON to parse that? — jpw
– jpw, Commented Aug 9, 2011 at 16:54

Dogbert · Accepted Answer · 2011-08-09 16:54:28Z

6

Facebook Graph API returns a JSON document, that you can parse using JSON.parse.

s = '{
     "id": "123456",
     "name": "App name",
     "link": "http://www.example.com",
     "location": {
       "street": "123 Main St",
       "city": "Anytown",
       "state": "XX"
      },
     "username": "platform"
    }'
JSON.parse(s)

Output:

=> {"id"=>"123456", "name"=>"App name", "link"=>"http://www.example.com", "locat
ion"=>{"street"=>"123 Main St", "city"=>"Anytown", "state"=>"XX"}, "username"=>"
platform"}

answered Aug 9, 2011 at 16:54

Dogbert

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