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<?php
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/*
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* This file is part of the uSilex framework.
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*
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* (c) Enrico Fagnoni <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace uSilex;
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use Pimple\Container;
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use Pimple\ServiceProviderInterface;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Exception;
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/**
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* The uSilex framework class.
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*/
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class Application extends Container implements MiddlewareInterface
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{
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protected $providers = [];
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protected $booted = false;
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/**
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* Instantiate a new Application.
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*
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* Objects and parameters can be passed as argument to the constructor.
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*
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* @param array $values the parameters or objects
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*/
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public function __construct(array $values = [])
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{
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parent::__construct($values);
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$this['debug'] = false;
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}
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/**
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* Redefine Registers a service provider.
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*
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* @param ServiceProviderInterface $provider A ServiceProviderInterface instance
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* @param array $values An array of values that customizes the provider
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*
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*/
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public function register(ServiceProviderInterface $provider, array $values = []) : self
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{
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$this->providers[] = $provider;
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parent::register($provider, $values);
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return $this;
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}
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/**
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* Boots all service providers.
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*
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* This method is automatically called by handle(), but you can use it
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* to boot all service providers when not handling a request.
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*/
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public function boot() : self
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{
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if ($this->booted) {
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return $this;
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}
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$this->booted = true;
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foreach ($this->providers as $provider) {
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if ( ($provider instanceof ServiceProviderInterface) && method_exists($provider,'boot') ) {
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$provider->boot($this);
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}
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}
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return $this;
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}
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/**
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* Handles the request and delivers the response.
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*
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*/
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
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{
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// ensure container is booted
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if( !$this->booted ){
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$this->boot();
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}
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return $handler->handle($request);
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}
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/**
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* Process the request and delivers the response with error management.
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*
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*/
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public function run() : bool
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{
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// ensure a default for 'uSilex.responseEmitter'
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if( !isset($this['uSilex.responseEmitter'])){
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$this['uSilex.responseEmitter'] = $this->protect(function(){});
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}
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try {
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$response = $this->process($this['uSilex.request'],$this['uSilex.httpHandler']);
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call_user_func($this['uSilex.responseEmitter'],$response, $this);
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$result = true;
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} catch (Exception $e) {
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$result = false;
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if( isset($this['uSilex.exceptionHandler'])) {
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$response = call_user_func($this['uSilex.exceptionHandler'], $e, $this);
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call_user_func($this['uSilex.responseEmitter'],$response, $this);
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} else {
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header('X-PHP-Response-Code: '. $e->getCode(), true, 500);
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echo $e->getMessage();
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}
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}
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return $result;
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}
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} |
linkeddatacenter /
uSilex
