Update readme

README.md

@@ -1,9 +1,170 @@
-# http-factory
+# PSR-17 HTTP Factory library
 
 [![Build Status](https://travis-ci.org/bulldogcreative/http-factory.svg?branch=master)](https://travis-ci.org/bulldogcreative/http-factory)
 
-## install
+This library aims to provide a simple implementation of PSR-17 (HTTP Factories).
+It current supports Guzzle/Psr7 and Zend Diactoros. Installation and usage
+examples are below, but if you have any questions or issues, please
+create an issue.
+
+## Installation
 
 ```bash
 composer require bulldog/http-factory
 ```
+
+## Usage
+
+You can use the [FactoryBuilder](src/FactoryBuilder.php) class to create the
+HTTP Factory of your choice, or you can instantiate them directly. Currently
+your choices are `guzzle` and `zend`. Each factory implements
+[HttpFactoryInterface](src/Interfaces/HttpFactoryInterface.php). Since this
+library uses PSR-17 all of the individual factories returned will implement
+their corresponding PSR-17 interface. For more detailed usage, please see
+the [tests](tests/) folder.
+
+### FactoryBuilder
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$zendFactory = FactoryBuilder::get('zend');
+```
+
+### RequestFactory
+
+Since we can use `guzzle` or `zend`, I'll show both examples here, but only
+one in the rest of the examples. But you should know you can use them
+interchangeably.
+
+#### Zend
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$factory = FactoryBuilder::get('zend');
+$requestFactory = $factory->requestFactory();
+$r = $requestFactory->createRequest('GET', 'http://localhost');
+```
+
+#### Guzzle
+
+You'll notice the only difference between the example above and the one below
+is we specify `guzzle` as the parameter to the `get` method.
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$factory = FactoryBuilder::get('guzzle');
+$requestFactory = $factory->requestFactory();
+$r = $requestFactory->createRequest('GET', 'http://localhost');
+```
+
+#### Without FactoryBuilder
+
+You don't have to use `FactoryBuilder` to get an HTTP Factory. See below.
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\GuzzleHttpFactory;
+$factory = new GuzzleHttpFactory();
+$requestFactory = $factory->requestFactory();
+$r = $requestFactory->createRequest('GET', 'http://localhost');
+```
+
+### ResponseFactory
+
+In the rest of the examples, I'll only show one example using `zend` with the `FactoryBuilder`.
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$factory = FactoryBuilder::get('zend');
+$responseFactory = $factory->responseFactory();
+$r = $responseFactory->createResponse(200, 'OK');
+```
+
+### ServerRequestFactory
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$factory = FactoryBuilder::get('zend');
+$reqFactory = $factory->serverRequestFactory();
+$params = ['name' => 'value'];
+$r = $reqFactory->createServerRequest('GET', '/', $params);
+```
+
+### StreamFactory
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$httpFactory = FactoryBuilder::get('zend');
+$factory = $httpFactory->streamFactory();
+$params = ['name' => 'value'];
+$r = $factory->createStream('php://memory');
+```
+
+### UploadedFileFactory
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$httpFactory = FactoryBuilder::get('zend');
+
+$streamFactory = $httpFactory->streamFactory();
+$resource = $streamFactory->createStream('php://temp');
+
+$factory = $httpFactory->uploadedFileFactory();
+$params = ['name' => 'value'];
+$r = $factory->createUploadedFile(
+    $resource,
+    1,
+    \UPLOAD_ERR_OK,
+    'filename.txt',
+    'txt'
+);
+```
+
+### UriFactory
+
+```php
+<?php
+
+require 'vendor/autoload.php';
+
+use Bulldog\HttpFactory\FactoryBuilder;
+$httpFactory = FactoryBuilder::get('zend');
+$factory = $httpFactory->uriFactory();
+$r = $factory->createUri('/');
+```
+
+## Links
+
+* [guzzle/psr7](https://github.com/guzzle/psr7)
+* [zendframework/zend-diactoros](https://github.com/zendframework/zend-diactoros)