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✎ Editing: ServiceProvider.php ← Back

<?php namespace Illuminate\Support;

use ReflectionClass;

abstract class ServiceProvider {

/**
	 * The application instance.
	 *
	 * @var \Illuminate\Foundation\Application
	 */
	protected $app;

/**
	 * Indicates if loading of the provider is deferred.
	 *
	 * @var bool
	 */
	protected $defer = false;

/**
	 * Create a new service provider instance.
	 *
	 * @param  \Illuminate\Foundation\Application  $app
	 * @return void
	 */
	public function __construct($app)
	{
		$this->app = $app;
	}

/**
	 * Bootstrap the application events.
	 *
	 * @return void
	 */
	public function boot() {}

/**
	 * Register the service provider.
	 *
	 * @return void
	 */
	abstract public function register();

/**
	 * Register the package's component namespaces.
	 *
	 * @param  string  $package
	 * @param  string  $namespace
	 * @param  string  $path
	 * @return void
	 */
	public function package($package, $namespace = null, $path = null)
	{
		$namespace = $this->getPackageNamespace($package, $namespace);

// In this method we will register the configuration package for the package
		// so that the configuration options cleanly cascade into the application
		// folder to make the developers lives much easier in maintaining them.
		$path = $path ?: $this->guessPackagePath();

$config = $path.'/config';

if ($this->app['files']->isDirectory($config))
		{
			$this->app['config']->package($package, $config, $namespace);
		}

// Next we will check for any "language" components. If language files exist
		// we will register them with this given package's namespace so that they
		// may be accessed using the translation facilities of the application.
		$lang = $path.'/lang';

if ($this->app['files']->isDirectory($lang))
		{
			$this->app['translator']->addNamespace($namespace, $lang);
		}

// Next, we will see if the application view folder contains a folder for the
		// package and namespace. If it does, we'll give that folder precedence on
		// the loader list for the views so the package views can be overridden.
		$appView = $this->getAppViewPath($package);

if ($this->app['files']->isDirectory($appView))
		{
			$this->app['view']->addNamespace($namespace, $appView);
		}

// Finally we will register the view namespace so that we can access each of
		// the views available in this package. We use a standard convention when
		// registering the paths to every package's views and other components.
		$view = $path.'/views';

if ($this->app['files']->isDirectory($view))
		{
			$this->app['view']->addNamespace($namespace, $view);
		}
	}

/**
	 * Guess the package path for the provider.
	 *
	 * @return string
	 */
	public function guessPackagePath()
	{
		$path = (new ReflectionClass($this))->getFileName();

return realpath(dirname($path).'/../../');
	}

/**
	 * Determine the namespace for a package.
	 *
	 * @param  string  $package
	 * @param  string  $namespace
	 * @return string
	 */
	protected function getPackageNamespace($package, $namespace)
	{
		if (is_null($namespace))
		{
			list($vendor, $namespace) = explode('/', $package);
		}

return $namespace;
	}

/**
	 * Register the package's custom Artisan commands.
	 *
	 * @param  array  $commands
	 * @return void
	 */
	public function commands($commands)
	{
		$commands = is_array($commands) ? $commands : func_get_args();

// To register the commands with Artisan, we will grab each of the arguments
		// passed into the method and listen for Artisan "start" event which will
		// give us the Artisan console instance which we will give commands to.
		$events = $this->app['events'];

$events->listen('artisan.start', function($artisan) use ($commands)
		{
			$artisan->resolveCommands($commands);
		});
	}

/**
	 * Get the application package view path.
	 *
	 * @param  string  $package
	 * @return string
	 */
	protected function getAppViewPath($package)
	{
		return $this->app['path']."/views/packages/{$package}";
	}

/**
	 * Get the services provided by the provider.
	 *
	 * @return array
	 */
	public function provides()
	{
		return array();
	}

/**
	 * Get the events that trigger this service provider to register.
	 *
	 * @return array
	 */
	public function when()
	{
		return array();
	}

/**
	 * Determine if the provider is deferred.
	 *
	 * @return bool
	 */
	public function isDeferred()
	{
		return $this->defer;
	}

}

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