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Added extension initialization to application life cycle.

tags/2.0.0-beta
Qiang Xue 11 years ago
parent
commit
c28a005fb8
  1. 49
      framework/yii/base/Application.php
  2. 10
      framework/yii/base/Extension.php

49
framework/yii/base/Application.php

@ -144,18 +144,8 @@ abstract class Application extends Module
public function __construct($config = []) public function __construct($config = [])
{ {
Yii::$app = $this; Yii::$app = $this;
if (!isset($config['id'])) {
throw new InvalidConfigException('The "id" configuration is required.');
}
if (isset($config['basePath'])) {
$this->setBasePath($config['basePath']);
unset($config['basePath']);
} else {
throw new InvalidConfigException('The "basePath" configuration is required.');
}
$this->preInit($config); $this->preInit($config);
$this->registerErrorHandlers(); $this->registerErrorHandlers();
$this->registerCoreComponents(); $this->registerCoreComponents();
@ -165,10 +155,23 @@ abstract class Application extends Module
/** /**
* Pre-initializes the application. * Pre-initializes the application.
* This method is called at the beginning of the application constructor. * This method is called at the beginning of the application constructor.
* It initializes several important application properties.
* If you override this method, please make sure you call the parent implementation.
* @param array $config the application configuration * @param array $config the application configuration
* @throws InvalidConfigException if either [[id]] or [[basePath]] configuration is missing.
*/ */
public function preInit(&$config) public function preInit(&$config)
{ {
if (!isset($config['id'])) {
throw new InvalidConfigException('The "id" configuration is required.');
}
if (isset($config['basePath'])) {
$this->setBasePath($config['basePath']);
unset($config['basePath']);
} else {
throw new InvalidConfigException('The "basePath" configuration is required.');
}
if (isset($config['vendorPath'])) { if (isset($config['vendorPath'])) {
$this->setVendorPath($config['vendorPath']); $this->setVendorPath($config['vendorPath']);
unset($config['vendorPath']); unset($config['vendorPath']);
@ -183,6 +186,7 @@ abstract class Application extends Module
// set "@runtime" // set "@runtime"
$this->getRuntimePath(); $this->getRuntimePath();
} }
if (isset($config['timeZone'])) { if (isset($config['timeZone'])) {
$this->setTimeZone($config['timeZone']); $this->setTimeZone($config['timeZone']);
unset($config['timeZone']); unset($config['timeZone']);
@ -192,6 +196,31 @@ abstract class Application extends Module
} }
/** /**
* @inheritdoc
*/
public function init()
{
parent::init();
$this->initExtensions($this->extensions);
}
/**
* Initializes the extensions.
* @param array $extensions the extensions to be initialized. Please refer to [[extensions]]
* for the structure of the extension array.
*/
protected function initExtensions($extensions)
{
foreach ($extensions as $extension) {
if (isset($extension['bootstrap'])) {
/** @var Extension $class */
$class = $extension['bootstrap'];
$class::init();
}
}
}
/**
* Loads components that are declared in [[preload]]. * Loads components that are declared in [[preload]].
* @throws InvalidConfigException if a component or module to be preloaded is unknown * @throws InvalidConfigException if a component or module to be preloaded is unknown
*/ */

10
framework/yii/base/Extension.php

@ -8,11 +8,21 @@
namespace yii\base; namespace yii\base;
/** /**
* Extension is the base class that may be extended by individual extensions.
*
* Extension serves as the bootstrap class for extensions. When an extension
* is installed via composer, the [[init()]] method of its Extension class (if any)
* will be invoked during the application initialization stage.
*
* @author Qiang Xue <qiang.xue@gmail.com> * @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0 * @since 2.0
*/ */
class Extension class Extension
{ {
/**
* Initializes the extension.
* This method is invoked at the end of [[Application::init()]].
*/
public static function init() public static function init()
{ {
} }

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