dreadlabs/media-type-encoding

Simple API for Media type designation.

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Details

github.com/DreadLabs/media-type-encoding

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1.0 2018-07-16 21:22 UTC

Requires (Dev)

MIT d63d663f1bda87f27f911345e6c855b13b25cf00

  • Thomas Juhnke <dev.woop@van-tomas.de>

This package is auto-updated.

Last update: 2024-09-23 22:54:34 UTC

README

Description

This library provides a simple API for Media type designation.

It can be used to generate Media type strings from string literals such as PHP class names. This is useful for APIs or serialization processes which should denote a platform agnostic type literal.

This library leans on the RFC 6838 specification.

It is a companion to DreadLabs/media-type-decoding, providing encoding of a Media type string literal.

Installation

composer install dreadlabs/media-type-encoding:~1.0

Usage

Example 1

From a fully-qualified, namespaced PHP class name, designate a Media type within the application/ top-level type. The subtype is located in the Personal tree. The UpperCamelCased naming convention of PHP classes should be designated to a hyphened form. The designated Media type comes with a version parameter and a +json suffix.

$mediaType = new Application(RegistrationTree::personal(new HyphenedFromUpperCamelCased(new Exploded('\\'))));
$withParameter = $mediaType->withParameter(new Parameter('version', '1.0'));
$withSuffix = $withParameter->withSuffix(new Json());

echo (string)$withSuffix->designated('Acme\\Example\\Class');

> 'application/prs.acme.example.class+json; version=1.0'

Example 2

This example enhances Example 1. Let's imagine you are structuring your PHP project in such a way, that the Domain namespace contains your business logic. The PHP library you are building is named after a Bounded context called SalesApi. There, you have a Domain Event called UserCreated. The Media type encoding should not carry too much information about the vendor namespace and the physical structures of the filesystem.

$imaginaryClassName = 'Acme\\SalesApi\\Domain\\Event\\UserCreated';
$namespace = 'Acme\\SalesApi\\Domain\\Event';
$mediaType = new Application(RegistrationTree::vendor(new HyphenedFromUpperCamelCased(new Exploded('\\'))));

$designatedMediaType = $mediaType->designated(str_replace($namespace, 'SalesApi', $imaginaryClassName));

self::assertEquals('application/vnd.sales-api.user-created', (string)$designatedMediaType);

The reason why I am showing you this is, because I thought about implementing a subtype Prefixed which allows replacing parts of the FQCN. But this would add unnecessary complexity where a simple str_replace is sufficent.

Development

Requirements

Please read the contribution guide and ensure you have a working Docker environment.

Setup

Fork and clone this repository as described in the contribution guide.

Open a terminal and run the setup script:

script/setup

Run tests

script/console run composer test:unit
script/console run composer test:integration
script/console run composer test:acceptance:fail-fast

Links

License

MIT