Or a hash like object responding to to hash.
Require json ruby.
It s easy to read and understand both by humans and machines.
However in ruby 1 9 2 the json gem is bundled with the core ruby distribution.
In an overview json javascript object notation is a lightweight data interchange format.
Require json pure to use the pure variant.
Generate a json document from the ruby data structure obj and return it.
An object convertible into a hash by a to h method that is used as or to configure a state object.
It defaults to a state object that creates the shortest possible json text in one line checks for circular data structures and doesn t.
We ll use the spotify api because it allows requests without authentication.
The four code snippets below will.
So if you re using 1 9 2 you re probably all set.
Installing the json gem.
Define a url to be parsed.
Ruby has a built in module that contains methods to generate and parse json.
Json is a text format that is completely language.
Generating or serializing json in ruby.
If proc was given it will be called with any nested ruby object as an argument recursively in depth first order.
Let s look at how to retrieve and parse json results from a restful api using the four most popular ruby http libraries.
Make an http get request to that url.
In this article you ll learn how to generate and parse json data in ruby.
Json is a language agnostic lightweight data interchange format.
It is easy for machines to parse and generate.
It is easy for humans to read and write.
The ruby toolbox lists no less than 25 http clients.
On ruby 1 8 7 you ll need to install a gem.
To modify the default options pass in the optional options argument as well.
Json generateは 引数に渡したrubyのhashをjson形式の文字列に1行で変換して返します to jsonメソッドと違い jsonモジュールを使用できる様にする為にrequire json を実行する必要があります.
You can choose to load a set of common additions to ruby core s objects if you require json add core to get the best compatibility to rails json implementation you can require json add rails both of the additions attempt to require json like above first if it has not been required yet.
It is based on a subset of the javascript programming language standard ecma 262 3rd edition december 1999.
A source can either be a string like object an io like object or an object responding to the read method.
