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<?php
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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\Server\RequestHandlerInterface;
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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\MiddlewareInterface;
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use TypeError;
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class Application extends Container implements RequestHandlerInterface
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{
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const VERSION = '1.0.0';
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protected $providers = [];
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protected $middlewares = [];
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protected $onResponseListeners = [];
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protected $booted = false;
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/**
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* Instantiate a new Application.
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*
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* Objects and parameters can be passed as argument to the constructor.
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*
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*/
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public function __construct()
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{
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parent::__construct();
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$this['debug'] = false;
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$this['version'] = static::VERSION;
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}
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public function getMiddlewares() : array
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{
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return $this->middlewares;
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}
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public function resetMiddlewaresQueue() : Application
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{
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reset( $this->middlewares);
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return $this;
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}
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public function registerAsMiddleware(string $servicename) : Application
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{
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$this->middlewares[] = $servicename;
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return $this;
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}
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public function onResponse(string $serviceName)
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{
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$this->onResponseListeners[] = $serviceName;
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return $this;
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}
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public function handle(ServerRequestInterface $request) : ResponseInterface
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{
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if (!$this->booted) {
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$this->boot();
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}
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$middlewareServiceName = current($this->middlewares);
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$middleware = $this[$middlewareServiceName];
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next($this->middlewares);
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if( $middleware instanceof MiddlewareInterface ) {
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$result = $middleware->process($request, $this);
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} elseif ( $middleware instanceof ResponseInterface) {
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$result = $middleware;
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} else {
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throw new TypeError;
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}
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return $result;
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}
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public function getProviders()
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{
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return $this->providers;
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}
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/**
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* 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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* @return Application
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*/
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public function register(ServiceProviderInterface $provider, array $values = [])
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{
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$this->providers[] = $provider;
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parent::register($provider, $values);
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return $this;
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}
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/**
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* Boots all service providers.
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*
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* This method is automatically called by handle(), but you can use it
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* to boot all service providers when not handling a request.
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*/
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public function boot()
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{
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if ($this->booted) {
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return;
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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 BootableProviderInterface) {
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$provider->boot($this);
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}
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}
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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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2 |
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public function run()
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{
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assert( isset($this['request']) );
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assert( !empty($this->getMiddlewares()) );
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// define $this['response'] just for testing purposes
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if (!isset($this['response'])) {
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$this->resetMiddlewaresQueue();
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$this['response'] = $this->handle($this['request']);
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}
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// call onResponse hook
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2 |
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foreach( $this->onResponseListeners as $serviceName) {
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$this['response'] = $this[$serviceName];
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}
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if( isset($this['responseEmitter']) && is_callable($this['responseEmitter'])) {
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call_user_func($this['responseEmitter'],$this['response']);
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}
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159
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160
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2 |
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}
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161
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162
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} |
linkeddatacenter /
uSilex
