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Monthly Downloads: 38
Programming language: Erlang
License: Apache License 2.0
Tags: JSON    
Latest version: v0.6.0

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README

JSON for Elixir

Elixir implementation (with an Erlang parser) of the JSON specification to RFC 4627. ExJSON generate JSON string from keyword lists and maps and can parse into those structures also.

Installation

Add HTTPoison to your mix.exs dependencies:

def deps do
  [{:exjson, "~> 0.6.0"}]
end

and run $ mix deps.get.

Generating a JSON string from a keyword list

 ExJSON.generate([ key: "some value" ])
 #=> "{\"key\":\"some value\"}"

 ExJSON.generate([ k: [ 1, 2, 3 ] ])
 #=> "{\"k\":[1,2,3]}"

 ExJSON.generate([ k1: [ k2: [ k3: "v3" ] ] ])
 #=> "{\"k1\":{\"k2\":{\"k3\":\"v3\"}}}"

 ExJSON.generate([
    image: [
      width: 800,
      height: 600,
      title: "View from 15th Floor",
      thumbnail: [
        url: "http://www.example.com/image/481989943",
        height: 125,
        width: 100
      ],
      ids: [ 116, 943, 234, 38793 ]
    ]
 ])
 #=> "{\"image\":{\"height\":600,\"ids\":[116,943,234,38793],\"thumbnail\":{\"height\":125,\"url\":\"http://www.example.com/image/481989943\",\"width\":100},\"title\":\"View from 15th Floor\",\"width\":800}}"

Generating a JSON string from a map

 ExJSON.generate(%{
  location: %{
    lat: -47.8,
    lng:  23.8
  },
  name: "The name",
  phone: "666-6666",
  urls: [
   "http://example1.org",
   "http://example2.org"
  ]
 })
 #=> "{\"location\":{\"lat\":-47.8,\"lng\":23.8},\"name\":\"The name\",\"phone\":\"666-6666\",\"urls\":[\"http://example1.org\",\"http://example2.org\"]}"

Parsing JSON string to keyword list

 ExJSON.parse(
 '{
   "key": "value",
   "another_key": {
     "k1": "v1",
     "k2": "v2",
     "k3": "v3"
   }
 }')
 #=> [ { "key", "value" }, { "another_key", [ { "k1", "v1" }, { "k2", "v2" }, { "k3", "v3" } ] } ]

 ExJSON.parse(
 '{
    "key": "some value",
    "another_key": [ "value1", "another value", "value 3" ],
    "nested_key": {
      "inside_key": "a value",
      "bool_value1": true,
      "bool_value2": false,
      "nil_value": null
    },
    "tags": [ "test1", "test2", "test3" ]
 }')
 #=> [ { "key", "some value" }, { "another_key", [ "value1", "another value", "value 3" ] }, { "nested_key", [ { "inside_key", "a value" }, { "bool_value1", true }, { "bool_value2", false }, { "nil_value", nil } ] }, { "tags", [ "test1", "test2", "test3" ] } ]

Parsing JSON string to map

 ExJSON.parse('{
  "location": {
    "lat": -47.8,
    "lng": 23.8
  },
  "name": "The name",
  "phone": "666-6666",
  "urls": [
    "http://example1.org",
    "http://example2.org"
  ]
 }', :to_map)
 #=> %{"location" => %{"lat" => -47.8, "lng" => 23.8}, "name" => "The name", "phone" => "666-6666", "urls" => ["http://example1.org", "http://example2.org"]}

License

Copyright 2012,2013,2014 Dickson S. Guedes.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


*Note that all licence references and agreements mentioned in the exjson README section above are relevant to that project's source code only.