from this
["{\r\n \"charge_type\": \"sports\",\r\n \"amount\": 1000\r\n},{\r\n \"charge_type\": \"servicing\",\r\n \"amount\": 550\r\n}"]
to this
[{"charge_type"=>"sports", "amount"=> "1000"},{"charge_type"=>"servicing", "amount"=> "500"}]
I have tried this,
JSON.parse(["{\r\n \"charge_type\": \"sports\",\r\n \"amount\": 1000\r\n},{\r\n \"charge_type\": \"servicing\",\r\n \"amount\": 550\r\n}"].first)
But could not figure it out. Any help will be appreciated.
You are having problem because your json is not valid, your array [] is not wrapped around string, it need to be "[]" then it will work.
e.g your current json will give error
unexpected token at ',{
"charge_type": "servicing",
"amount": 550
but if your json is completely wrapped inside string like this (notice " around array)
my_json = "[{\r\n \"charge_type\": \"sports\",\r\n \"amount\": 1000\r\n},{\r\n \"charge_type\": \"servicing\",\r\n \"amount\": 550\r\n}]"
then you can do something like this
JSON.parse(my_json)
which will return
[{"charge_type"=>"sports", "amount"=>1000}, {"charge_type"=>"servicing", "amount"=>550}]
It's not clear what you're trying to do with the [...].first part. What you really need is:
JSON.parse("[{\r\n \"charge_type\": \"sports\",\r\n \"amount\": 1000\r\n},{\r\n \"charge_type\": \"servicing\",\r\n \"amount\": 550\r\n}]")
Related
I have a json string to build a query, and I need to convert this to QueryBuilder. (ES Ver. 6.3.0)
I found that I can use wrapperQuery method, so I wrote this code:
String str = cond.getFilter().toString();
QueryBuilder filter = QueryBuilders.boolQuery().must(QueryBuilders.wrapperQuery(str));
And these are result of variables in debug mode:
This method is working right, as the decription in the Docs(https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-wrapper-query.html)
The problem is, that this query just not working.
What is wrong and what should I do?
Any comments would be appreciated. Thanks.
Your JSON format seems to be wrong. Since your ASSET_IP is not a number, it must be string in JSON representation. Hence you need to put it as below in your JSON.
{ "ASSET_IP" : "xx.xxx.xxx.xx" }
Update your JSON with the above and try again.
In controller side i am getting params like
"{\"violation_date\":\"sdfsdf\",\"violation_time\":\"\"},{\"violation_date\":\"sdfdsf\",\"violation_time\":\"sdfsdf\"},{\"violation_date\":\"1233\",\"violation_
time\":\"\"},{\"violation_date\":\"test\",\"violation_time\":\"time\"}"
class of this is String. I am trying to parse this. Through
JSON.parse(params_gotton)
Got
JSON::ParserError (757: unexpected token at ',{"violation_date":"sdfdsf","violation_time":"sdfsdf"},{"violation_date":"1233","violation_time":""},{"violation_d
te":"test","violation_time":"time"}'):
What i am doing wrong here. Any suggestions?
It's not valid json, this will work (use []):
require 'json'
jsn = '[{"violation_date":"sdfsdf","violation_time":""},
{"violation_date":"sdfdsf","violation_time":"sdfsdf"},
{"violation_date":"1233","violation_time":""},
{"violation_date":"test","violation_time":"time"}]'
JSON.parse(jsn) # => [{"violation_date"=>"sdfsdf", "violation_time"=>""}, {"violation_date"=>"sdfdsf", "violation_time"=>"sdfsdf"}, {"violation_date"=>"1233", "violation_time"=>""}, {"violation_date"=>"test", "violation_time"=>"time"}]
To verify json string you could use: http://www.jslint.com/.
And basic json structure: http://json.org/
UPDATED
In your case just try this:
JSON.parse('[' + params_gotton + ']')
well, received string does not contain a proper Json structure..
First convert that received param in a proper json structure and then parse it using "JSON.parse(params_gotton)".
In above received data all key and value shud be in a key value pair string format.. remove "\" symbol from received data..
it will definitely work fine..
I am working on Ruby on Rails. I have a hash like below
{"attachment"=>"{:output_dir=>\"/home/mypath/\", :process_hash=>\"8b9d9c51\", :type=>\"pdf\", :processed_dir=>\"/513/9a1/88a\", :pdf=>\"/system/path/a3ae1194f76d737b6cfb141fa0fde17f78f2e94e.pdf\", :slides_count=>4, :meta=>{:swfs=>\"{/system/path/88a/8b9d9c51[*,0].swf,4}\", :pngs=>\"/system/path/8b9d9c51{page}.png\", :json=>\"/system/path/8b9d9c51.js\"}}"
In my code i have
JSON.parse(params[:attachment])
which throws me an error as
JSON::ParserError (757: unexpected token at '{:output_dir=>"/home/path", :process_hash=>"8b9d9c51", :type=>"pdf", :processed_dir=>"/513/9a1/88a", :pdf=>"/system/path/a3ae1194f76d737b6cfb141fa0fde17f78f2e94e.pdf", :slides_count=>4, :meta=>{:swfs=>"{/system/path/8b9d9c51[*,0].swf,4}", :pngs=>"/system/path/8b9d9c51{page}.png", :json=>"/system/path/8b9d9c51.js"}}'):
Suggest me how to resolve this.
JSON.parse parses an JSON formatted String into a Hash, not the other way around. I'm not sure what you'd like to accomplish?
If you're trying to convert a Hash into JSON (string) you could use
params[:attachment].to_json
If you're trying to convert a JSON (string) into Hash you could use
JSON.parse(params[:attachment])
However, your string doesn't look like JSON (it includes => where it should have :)
Valid JSON looks like:
{ "attachment": { "output_dir": "/home/mypath", "process_hash": "89r2432" } }
I'm using the Foursquare API, and I want to extract the "id" value from this hash
[{"id"=>"4fe89779e4b09fd3748d3c5a", "name"=>"Hitcrowd", "contact"=>{"phone"=>"8662012805", "formattedPhone"=>"(866) 201-2805", "twitter"=>"hitcrowd"}, "location"=>{"address"=>"1275 Glenlivet Drive", "crossStreet"=>"Route 100", "lat"=>40.59089895083072, "lng"=>-75.6291255071468, "postalCode"=>"18106", "city"=>"Allentown", "state"=>"Pa", "country"=>"United States", "cc"=>"US"}, "categories"=>[{"id"=>"4bf58dd8d48988d125941735", "name"=>"Tech Startup", "pluralName"=>"Tech Startups", "shortName"=>"Tech Startup", "icon"=>"https://foursquare.com/img/categories/shops/technology.png", "parents"=>["Professional & Other Places", "Offices"], "primary"=>true}], "verified"=>true, "stats"=>{"checkinsCount"=>86, "usersCount"=>4, "tipCount"=>0}, "url"=>"http://www.hitcrowd.com", "likes"=>{"count"=>0, "groups"=>[]}, "beenHere"=>{"count"=>0}, "storeId"=>""}]
When I try to extract it by using ['id'], I get this error can't convert Symbol into Integer. How do I extract the value using ruby? Also, how do I do this for multiple hashes extracting the "id" value each time?
Please pardon my inexperience. Thanks!
It's wrapped in an array, that's what the [ and ] mean on the start and end. But it also looks like this array only one object in it, which is the hash you really want.
So assuming you want the first object in this array:
mydata[0]['id'] # or mydata.first['id'] as Factor Mystic suggests
But usually when an API returns an Array there is a reason (it might return many results instead of just one), and naively plucking the first item from it my not be what you want. So be sure you are getting the kind of data you really expect before hard coding this into your application.
For multiple hashes, if you want to do something with the id (run a procedure of some kind) then
resultsArray.each do |person|
id = person["id"] #then do something with the id
end
If you want to just get an array containing the ids then
resultsArray.map{|person| person["id"]}
# ["4fe89779e4b09fd3748d3c5a", "5df890079e4b09fd3748d3c5a"]
To just grab the one item from the array, see Alex Wayne's answer
To get an array of ids, try: resultsArray.map { |result| result["id"] }
I’m trying to parse some JSON from the twitter API and extract the value of a key (“media_url”), which is a sub-key of the key (“entities”)
so far I have:
url = 'https://api.twitter.com/1/statuses/user_timeline.json?include_entities=true&screen_name=print_broadcast&count=1'
response = RestClient.get(url)
data=response.body
result = JSON.parse(data)
How would I extract a key value from the parsed JSON?
I’ve tried
result[“entities”]
etc, but I get en error when trying to convert a string to integer... the result of my parsed JSON is an array - shouldn't this be a hash?
Sorry for the dumb questions.
Any help would be appreciated.
The JSON output is actually a list. Granted, it only has one element, but it's still a list.
First get result[0], then you can access ['entries'].