ivar alternatives and similar packages
Based on the "HTTP" category.
Alternatively, view ivar alternatives based on common mentions on social networks and blogs.
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spell
DISCONTINUED. Spell is a Web Application Messaging Protocol (WAMP) client implementation in Elixir. WAMP is an open standard WebSocket subprotocol that provides two application messaging patterns in one unified protocol: Remote Procedure Calls + Publish & Subscribe: http://wamp.ws/ -
web_socket
An exploration into a stand-alone library for Plug applications to easily adopt WebSockets. -
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explode
An easy utility for responding with standard HTTP/JSON error payloads in Plug- and Phoenix-based applications -
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Mechanize
DISCONTINUED. Build web scrapers and automate interaction with websites in Elixir with ease! -
SpiderMan
SpiderMan,a base-on Broadway fast high-level web crawling & scraping framework for Elixir. -
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http_digex
HTTP Digest Auth Library to create auth header to be used with HTTP Digest Authentication -
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README
Ivar
Ivar is an adapter based HTTP client that provides the ability to build composable HTTP requests.
The key goals of Ivar are to allow requests to be constructed in a composable manner (pipeline friendly) and to simplify building, sending and receiving requests for a number of well known http clients.
Supported Adapters
| HTTP Client | Adapter |
|---|---|
| HTTPoison | ivar_httpoison |
Usage
Add ivar to your list of dependencies in mix.exs, plus the http adapter you are going to use:
def deps do
[
{:ivar, "~> 0.9.0"},
{:ivar_httpoison, "~> 0.1.0"}
]
end
Setup up the config for your chosen adapater
config :ivar,
adapter: Ivar.HTTPoison
Basic usage
Ivar.get("https://example.com")
|> Ivar.send
|> Ivar.unpack
# {"<!doctype html>\n<html>...", %HTTPoison.Response{}}
JSON encoding/decoding
Ivar uses the Poison library for encoding and decoding JSON, so make sure you
have it listed along side Ivar in your mix.exs.
def deps do
[
{:ivar, "~> 0.9.0"},
{:poison, "~> 3.0"},
...
]
end
You can then specify that you want to send JSON when putting the request body. If
the response contains the application/json content type header, the Ivar.unpack
function will then decode the response for you.
Ivar.post("https://some-echo-server")
|> Ivar.put_body(%{some: "data"}, :json)
|> Ivar.send
|> Ivar.unpack
# {%{some: "data"}, %HTTPoison.Response{}}
Real world example
This is simplified extract from a real world application where Ivar is being used to send email via the mailgun service.
url = "https://api.mailgun.net/v3/domain.com/messages"
mail_data = %{to: "[email protected]", ...}
files = [{"inline", File.read!("elixir.png"), "elixir.png"}, ...]
Ivar.new(:post, url)
|> Ivar.put_auth({"api", "mailgun_api_key"}, :basic)
|> Ivar.put_body(mail_data, :url_encoded)
|> Ivar.put_files(files)
|> Ivar.send