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<?php
/*
* (c) Markus Lanthaler <mail@markus-lanthaler.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ML\JsonLD;
use stdClass as JsonObject;
/**
* A LanguageTaggedString is a string which is tagged with a language.
*
* @author Markus Lanthaler <mail@markus-lanthaler.com>
*/
final class LanguageTaggedString extends Value
{
/**
* The language code associated with the string. Language codes are tags
* according to {@link http://tools.ietf.org/html/bcp47 BCP47}.
*
* @var string
*/
private $language;
/**
* Constructor
*
* @param string $value The string's value.
* @param string $language The string's language.
*/
public function __construct($value, $language)
{
$this->setValue($value);
$this->setLanguage($language);
}
/**
* Set the language
*
* @param string $language The language.
*
* @return self
*
* @throws \InvalidArgumentException If the language is not a string. No
* further checks are currently done.
*/
public function setLanguage($language)
{
if (!is_string($language)) {
throw new \InvalidArgumentException('language must be a string.');
}
$this->language = $language;
return $this;
}
/**
* Get the language
*
* @return string The language.
*/
public function getLanguage()
{
return $this->language;
}
/**
* {@inheritdoc}
*/
public function toJsonLd($useNativeTypes = true)
{
$result = new JsonObject();
$result->{'@value'} = $this->value;
$result->{'@language'} = $this->language;
return $result;
}
/**
* {@inheritdoc}
*/
public function equals($other)
{
if (get_class($this) !== get_class($other)) {
return false;
}
return ($this->value === $other->value) && ($this->language === $other->language);
}
}
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