class LanguageServiceProvider
Same name in other branches
- 8.9.x core/modules/language/src/LanguageServiceProvider.php \Drupal\language\LanguageServiceProvider
- 10 core/modules/language/src/LanguageServiceProvider.php \Drupal\language\LanguageServiceProvider
- 11.x core/modules/language/src/LanguageServiceProvider.php \Drupal\language\LanguageServiceProvider
Overrides the language_manager service to point to language's module one.
Hierarchy
- class \Drupal\language\LanguageServiceProvider extends \Drupal\Core\DependencyInjection\ServiceProviderBase
Expanded class hierarchy of LanguageServiceProvider
File
-
core/
modules/ language/ src/ LanguageServiceProvider.php, line 14
Namespace
Drupal\languageView source
class LanguageServiceProvider extends ServiceProviderBase {
const CONFIG_PREFIX = 'language.entity.';
/**
* {@inheritdoc}
*/
public function register(ContainerBuilder $container) {
// The following services are needed only on multilingual sites.
if ($this->isMultilingual()) {
$container->register('language_request_subscriber', 'Drupal\\language\\EventSubscriber\\LanguageRequestSubscriber')
->addTag('event_subscriber')
->addArgument(new Reference('language_manager'))
->addArgument(new Reference('language_negotiator'))
->addArgument(new Reference('string_translation'))
->addArgument(new Reference('current_user'));
$container->register('path_processor_language', 'Drupal\\language\\HttpKernel\\PathProcessorLanguage')
->addTag('path_processor_inbound', [
'priority' => 300,
])
->addTag('path_processor_outbound', [
'priority' => 100,
])
->addArgument(new Reference('config.factory'))
->addArgument(new Reference('language_manager'))
->addArgument(new Reference('language_negotiator'))
->addArgument(new Reference('current_user'))
->addArgument(new Reference('language.config_subscriber'))
->addMethodCall('initConfigSubscriber');
}
}
/**
* {@inheritdoc}
*/
public function alter(ContainerBuilder $container) {
$definition = $container->getDefinition('language_manager');
$definition->setClass('Drupal\\language\\ConfigurableLanguageManager')
->addArgument(new Reference('config.factory'))
->addArgument(new Reference('module_handler'))
->addArgument(new Reference('language.config_factory_override'))
->addArgument(new Reference('request_stack'));
if ($default_language_values = $this->getDefaultLanguageValues()) {
$container->setParameter('language.default_values', $default_language_values);
}
}
/**
* Checks whether the site is multilingual.
*
* @return bool
* TRUE if the site is multilingual, FALSE otherwise.
*/
protected function isMultilingual() {
// Assign the prefix to a local variable so it can be used in an anonymous
// function.
$prefix = static::CONFIG_PREFIX;
// @todo Try to swap out for config.storage to take advantage of database
// and caching. This might prove difficult as this is called before the
// container has finished building.
$config_storage = BootstrapConfigStorageFactory::get();
$config_ids = array_filter($config_storage->listAll($prefix), function ($config_id) use ($prefix) {
return $config_id != $prefix . LanguageInterface::LANGCODE_NOT_SPECIFIED && $config_id != $prefix . LanguageInterface::LANGCODE_NOT_APPLICABLE;
});
return count($config_ids) > 1;
}
/**
* Gets the default language values.
*
* @return array|bool
* Returns the default language values for the language configured in
* system.site:default_langcode if the corresponding configuration entity
* exists, otherwise FALSE.
*/
protected function getDefaultLanguageValues() {
$config_storage = BootstrapConfigStorageFactory::get();
$system = $config_storage->read('system.site');
// In Kernel tests it's possible this code is called before system.site
// exists. In such cases behave as though the corresponding language
// configuration entity does not exist.
if ($system === FALSE) {
return FALSE;
}
$default_language = $config_storage->read(static::CONFIG_PREFIX . $system['default_langcode']);
if (is_array($default_language)) {
return $default_language;
}
return FALSE;
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title |
---|---|---|---|---|
LanguageServiceProvider::alter | public | function | Overrides ServiceProviderBase::alter | |
LanguageServiceProvider::CONFIG_PREFIX | constant | |||
LanguageServiceProvider::getDefaultLanguageValues | protected | function | Gets the default language values. | |
LanguageServiceProvider::isMultilingual | protected | function | Checks whether the site is multilingual. | |
LanguageServiceProvider::register | public | function | Overrides ServiceProviderBase::register |
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