API-Client
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HTTP API clients. While this module can be used to interact with APIs
directly, API::Client was designed to be consumed (subclassed) by
higher-level purpose-specific API clients.
THIN CLIENT
The thin API client library is advantageous as it has complete API
coverage and can easily adapt to changes in the API with minimal
effort. As a thin-client superclass, this module does not map specific
HTTP requests to specific routines, nor does it provide parameter
validation, pagination, or other conventions found in typical API
client implementations; Instead, it simply provides a simple and
consistent mechanism for dynamically generating HTTP requests.
Additionally, this module has support for debugging and retrying API
calls as well as throwing exceptions when 4xx and 5xx server response
codes are returned.
INTEGRATES
This package integrates behaviors from:
Data::Object::Role::Buildable
Data::Object::Role::Stashable
Data::Object::Role::Throwable
LIBRARIES
This package uses type constraints from:
Types::Standard
SCENARIOS
This package supports the following scenarios:
building
# given: synopsis
my $resource = $client->resource('get');
# GET /get
my $get = $client->resource('get')->dispatch;
# HEAD /head
my $head = $client->resource('head')->dispatch(
method => 'head'
);
# PATCH /patch
my $patch = $client->resource('patch')->dispatch(
method => 'patch'
);
[$get, $head, $patch]
Building up an HTTP request is extremely easy, simply call the
"resource" to create a new object instance representing the API
endpoint you wish to issue a request against.
chaining
# given: synopsis
# https://httpbin.org/users
my $users = $client->resource('users');
# https://httpbin.org/users/c09e91a
my $user = $client->resource('users', 'c09e91a');
# https://httpbin.org/users/c09e91a
my $new_user = $users->resource('c09e91a');
[$users, $user, $new_user]
Because each call to "resource" returns a new object instance
configured with a path (resource locator) based on the supplied
parameters, reuse and request isolation are made simple, i.e., you will
only need to configure the client once in your application.
creating
# given: synopsis
my $tx1 = $client->resource('post')->create(
json => {active => 1}
);
# is equivalent to
my $tx2 = $client->resource('post')->dispatch(
method => 'post',
json => {active => 1}
);
[$tx1, $tx2]
This example illustrates how you might create a new API resource.
deleting
# given: synopsis
my $tx1 = $client->resource('delete')->delete(
json => {active => 1}
);
# is equivalent to
my $tx2 = $client->resource('delete')->dispatch(
method => 'delete',
json => {active => 1}
);
[$tx1, $tx2]
This example illustrates how you might delete a new API resource.
fetching
$client->resource('get')->fetch;
patch
patch(Any %args) : InstanceOf["Mojo::Transaction"]
The patch method issues a PATCH request to the API resource represented
by the object.
patch example #1
# given: synopsis
$client->resource('patch')->patch(
json => {active => 1}
);
prepare
prepare(Object $ua, Object $tx, Any %args) : Object
The prepare method acts as a before hook triggered before each request
where you can modify the transactor objects.
prepare example #1
# given: synopsis
require Mojo::UserAgent;
require Mojo::Transaction::HTTP;
$client->prepare(
Mojo::UserAgent->new,
Mojo::Transaction::HTTP->new
);
process
process(Object $ua, Object $tx, Any %args) : Object
The process method acts as an after hook triggered after each response
where you can modify the transactor objects.
process example #1
# given: synopsis
require Mojo::UserAgent;
require Mojo::Transaction::HTTP;
$client->process(
Mojo::UserAgent->new,
Mojo::Transaction::HTTP->new
);
resource
resource(Str @segments) : Object
The resource method returns a new instance of the object for the API
resource endpoint specified.
resource example #1
# given: synopsis
$client->resource('status', 200);
serialize
serialize() : HashRef
The serialize method serializes and returns the object as a hashref.
serialize example #1
# given: synopsis
$client->serialize;
update
update(Any %args) : InstanceOf["Mojo::Transaction"]
The update method issues a PUT request to the API resource represented
by the object.
update example #1
# given: synopsis
$client->resource('put')->update(
json => {active => 1}
);
AUTHOR
Al Newkirk, awncorp@cpan.org
LICENSE
Copyright (C) 2011-2019, Al Newkirk, et al.
This is free software; you can redistribute it and/or modify it under
the terms of the The Apache License, Version 2.0, as elucidated in the
"license file"
<https://github.com/iamalnewkirk/api-client/blob/master/LICENSE>.
PROJECT
Wiki <https://github.com/iamalnewkirk/api-client/wiki>
Project <https://github.com/iamalnewkirk/api-client>
Initiatives <https://github.com/iamalnewkirk/api-client/projects>
Milestones <https://github.com/iamalnewkirk/api-client/milestones>
Contributing
<https://github.com/iamalnewkirk/api-client/blob/master/CONTRIBUTE.md>
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