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<?php |
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namespace nebula\application\response; |
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use nebula\Context; |
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use nebula\application\Request; |
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use nebula\component\runnable\Runnable; |
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use nebula\application\response\provider\Header; |
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use nebula\application\response\provider\Status; |
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use nebula\application\response\provider\Content; |
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use nebula\application\response\provider\MimeType; |
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/** |
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* 响应 |
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*/ |
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class Response |
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{ |
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/** |
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* 静态实例 |
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* |
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* @var self |
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*/ |
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protected static $instance; |
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protected function __construct() |
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{ |
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$this->content = new Content; |
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$this->header = new Header; |
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} |
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/** |
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* 返回实例 |
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* |
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* @return self |
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*/ |
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public static function instance() |
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{ |
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if (isset(static::$instance)) { |
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return static::$instance; |
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} |
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return static::$instance = new static; |
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} |
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/** |
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* 头部信息 |
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* |
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* @var Header |
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*/ |
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protected $header; |
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/** |
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* 环境 |
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* |
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* @var Context |
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*/ |
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protected $context; |
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/** |
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* Get 头部信息 |
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* |
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* @return Header |
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*/ |
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public function getHeader() |
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{ |
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return $this->header; |
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} |
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/** |
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* 设置头部 |
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* |
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* @param string $name |
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* @param string $content |
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* @return void |
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*/ |
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public function setHeader(string $name, string $content) |
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{ |
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$this->header->addHeader($name, $content); |
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} |
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/** |
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* 发送请求头信息 |
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* |
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* @param integer $code |
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* @return void |
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*/ |
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public function setStatus(int $code) |
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{ |
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$this->header->sendHeaderRaw('HTTP/1.1 '.$code.' '. Status::toText($code)); |
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$this->header->sendHeader('Status', $code.' '. Status::toText($code)); |
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} |
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/** |
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* 设置类型 |
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* |
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* @param string $extension |
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* @return void |
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*/ |
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public function setType(string $extension) |
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{ |
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$this->header->sendHeader('Content-Type', MimeType::getMimeType($extension)); |
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} |
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/** |
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* 发送数据 |
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* |
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* @param string $content |
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* @return void |
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*/ |
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public function send(string $content) |
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{ |
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$debug = defined('NEBULA_DBUG') && constant('NEBULA_DBUG') === true; |
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if ($debug === false) { |
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$this->setHeader('Content-Length', strlen($content)); |
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} |
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$this->header->send(); |
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echo $content; |
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} |
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/** |
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* 处理响应 |
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* |
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* @param Runnable $runnable 可执行对象 |
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* @param Request $request 响应对象 |
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* @param boolean $buffer 缓存输出 |
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* @param boolean $allowEcho 实时输出 |
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* @return void |
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*/ |
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public function proccess(Runnable $runnable, Request $request, bool $buffer = true, bool $allowEcho = true) |
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{ |
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$echo = ''; |
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if ($buffer) { |
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\ob_start(); |
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$value = $runnable->run($request, $this); |
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$echo = \ob_get_clean(); |
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} else { |
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$value = $runnable->run($request, $this); |
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} |
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$this->header->send(); |
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if ($allowEcho && strlen($echo) > 0) { |
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echo $echo; |
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} |
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Content::send($this, $value); |
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} |
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/** |
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* Get 环境 |
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* |
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* @return Context |
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*/ |
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public function getContext() |
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{ |
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return $this->context; |
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} |
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/** |
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* Set 环境 |
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* |
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* @param Context $context 环境 |
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* |
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* @return self |
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*/ |
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public function setContext(Context $context) |
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{ |
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$this->context = $context; |
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return $this; |
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} |
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} |
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