TranslatorLocator.php
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<?php
/**
*
* This file is part of the Aura Project for PHP.
*
* @package Aura.Intl
*
* @license http://opensource.org/licenses/MIT MIT
*
*/
namespace Aura\Intl;
/**
*
* A ServiceLocator implementation for loading and retaining translator objects.
*
* @package Aura.Intl
*
*/
class TranslatorLocator
{
/**
*
* A registry to retain translator objects.
*
* @var array
*
*/
protected $registry;
/**
*
* The current locale code.
*
* @var string
*
*/
protected $locale;
/**
*
* A translator factory.
*
* @var TranslatorFactory
*
*
*/
protected $factory;
/**
*
* A package locator.
*
* @var PackageLocator
*
*/
protected $packages;
/**
*
* A formatter locator.
*
* @var FormatterLocator
*
*/
protected $formatters;
/**
*
* Constructor.
*
* @param PackageLocator $packages The package locator.
*
* @param FormatterLocator $formatters The formatter locator.
*
* @param TranslatorFactory $factory A translator factory to
* create translator objects for the locale and package.
*
* @param string $locale The default locale code to use.
*
*/
public function __construct(
PackageLocator $packages,
FormatterLocator $formatters,
TranslatorFactory $factory,
$locale
) {
$this->packages = $packages;
$this->factory = $factory;
$this->formatters = $formatters;
$this->setLocale($locale);
}
/**
*
* Sets the default locale code.
*
* @param string $locale The new locale code.
*
* @return void
*
*/
public function setLocale($locale)
{
$this->locale = $locale;
}
/**
*
* Returns the default locale code.
*
* @return string
*
*/
public function getLocale()
{
return $this->locale;
}
/**
*
* The TranslatorFactory object
*
* @return TranslatorFactory
*/
public function getFactory()
{
return $this->factory;
}
/**
*
* An object of type PackageLocator
*
* @return PackageLocator
*
*/
public function getPackages()
{
return $this->packages;
}
/**
*
* An object of type FormatterLocator
*
* @return FormatterLocator
*
*/
public function getFormatters()
{
return $this->formatters;
}
/**
*
* Gets a translator from the registry by package for a locale.
*
* @param string $name The translator package to retrieve.
*
* @param string $locale The locale to use; if empty, uses the default
* locale.
*
* @return TranslatorInterface A translator object.
*
*/
public function get($name, $locale = null)
{
if (! $name) {
return null;
}
if (! $locale) {
$locale = $this->getLocale();
}
if (! isset($this->registry[$name][$locale])) {
// get the package descriptor
$package = $this->packages->get($name, $locale);
// build a translator; note the recursive nature of the
// 'fallback' param at the very end.
$translator = $this->factory->newInstance(
$locale,
$package,
$this->formatters->get($package->getFormatter()),
$this->get($package->getFallback(), $locale)
);
// retain in the registry
$this->registry[$name][$locale] = $translator;
}
return $this->registry[$name][$locale];
}
}