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<?php |
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/** |
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* \AppserverIo\Server\Contexts\ServerContext |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Johann Zelger <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/server |
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* @link http://www.appserver.io |
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*/ |
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namespace AppserverIo\Server\Contexts; |
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use AppserverIo\Server\Exceptions\ServerException; |
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use AppserverIo\Server\Interfaces\ServerConfigurationInterface; |
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use AppserverIo\Server\Interfaces\ServerContextInterface; |
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/** |
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* Class ServerContext |
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* |
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* @author Johann Zelger <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/appserver-io/server |
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* @link http://www.appserver.io |
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*/ |
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class ServerContext implements ServerContextInterface |
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{ |
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/** |
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* Optionally Holds an container implementation of third party environment. |
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* So every mod depending on his environment can use this as a container to transfer environment specific stuff. |
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* |
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* @var mixed |
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*/ |
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protected $container; |
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/** |
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* All logger instances will be hold here. |
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* Every logger instance has to be a PSR compatible |
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* |
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* @var array |
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*/ |
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protected $loggers; |
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/** |
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* Holds upstream instances |
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* |
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* @var array |
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*/ |
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protected $upstreams; |
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/** |
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* Holds the config instance |
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* |
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* @var \AppserverIo\Server\Interfaces\ServerConfigurationInterface $serverConfig |
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*/ |
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protected $serverConfig; |
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/** |
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* Initialises the server context |
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* |
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* @param \AppserverIo\Server\Interfaces\ServerConfigurationInterface $serverConfig The servers configuration |
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* |
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* @return void |
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*/ |
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public function init(ServerConfigurationInterface $serverConfig) |
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{ |
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// set configuration |
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$this->serverConfig = $serverConfig; |
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// init loggers array |
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$this->loggers = array(); |
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// init upstreams array |
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$this->upstreams = array(); |
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} |
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/** |
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* Returns the server config instance |
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* |
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* @return \AppserverIo\Server\Interfaces\ServerConfigurationInterface The server config instance |
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*/ |
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public function getServerConfig() |
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{ |
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return $this->serverConfig; |
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} |
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/** |
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* Injects the stream context object for the server socket to be bound with. |
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* |
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* @param resource $streamContext The stream context instance to inject |
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* |
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* @return void |
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*/ |
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public function injectStreamContext($streamContext) |
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{ |
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$this->streamContext = $streamContext; |
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} |
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/** |
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* Returns the corresponding stream context for server socket to be bound with. |
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* |
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* @return resource |
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*/ |
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public function getStreamContext() |
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{ |
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return $this->streamContext; |
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} |
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/** |
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* Injects the container for further use in specific server mods etc... |
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* |
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* @param mixed $container An container instance for third party environment |
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* |
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* @return void |
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*/ |
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public function injectContainer($container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* Returns the container instance |
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* |
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* @return mixed The container instance for third party environment |
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*/ |
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public function getContainer() |
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{ |
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return $this->container; |
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} |
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/** |
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* Injects upstream instances |
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* |
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* @param array $upstreams The array of upstream instances |
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* |
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* @return void |
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*/ |
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public function injectUpstreams(array $upstreams) |
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{ |
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// iterate loggers to collection hashmap |
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foreach ($upstreams as $upstreamName => $upstreamInstance) { |
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$this->upstreams[$upstreamName] = $upstreamInstance; |
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} |
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} |
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/** |
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* Returns specific upstream by given name from upstream collection |
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* |
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* @param string $upstreamName The upstreams name to find |
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* |
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* @throws ServerException |
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* @return \AppserverIo\Server\Interfaces\UpstreamInterface |
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*/ |
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public function getUpstream($upstreamName) |
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{ |
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if (!isset($this->upstreams[$upstreamName])) { |
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// throw exception |
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throw new ServerException("Upstream '$upstreamName' does not exist.", 500); |
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} |
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return $this->upstreams[$upstreamName]; |
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} |
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/** |
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* Injects compatible logger instances |
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* |
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* @param array<\Psr\Log\LoggerInterface> $loggers The array of logger instances |
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* |
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* @return void |
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*/ |
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public function injectLoggers(array $loggers) |
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{ |
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// iterate loggers to collection hashmap |
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foreach ($loggers as $loggerName => $loggerInstance) { |
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$this->loggers[$loggerName] = $loggerInstance; |
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} |
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} |
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/** |
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* Queries if the requested logger type is registered or not. |
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* |
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* @param string $loggerType The logger type we want to query |
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* |
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* @return boolean TRUE if the logger is registered, else FALSE |
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*/ |
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public function hasLogger($loggerType) |
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{ |
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return isset($this->loggers[$loggerType]); |
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} |
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/** |
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* Returns the logger instance |
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* |
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* @param string $loggerType the logger's type to get |
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* |
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* @return \Psr\Log\LoggerInterface|null The logger instance |
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* @throws \AppserverIo\Server\Exceptions\ServerException |
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*/ |
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public function getLogger($loggerType = self::DEFAULT_LOGGER_TYPE) |
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{ |
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// check if logger is set |
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if ($this->hasLogger($loggerType)) { |
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// return logger |
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return $this->loggers[$loggerType]; |
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} |
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// throw exception |
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throw new ServerException("Logger name '$loggerType' does not exist.", 500); |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: