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<?php
/**
* This helper builds the Category object for a /mail/send API call
*
* PHP Version - 5.6, 7.0, 7.1, 7.2
*
* @package SendGrid\Mail
* @author Elmer Thomas <dx@sendgrid.com>
* @copyright 2018 SendGrid
* @license https://opensource.org/licenses/MIT The MIT License
* @version GIT: <git_id>
* @link http://packagist.org/packages/sendgrid/sendgrid
*/
namespace SendGrid\Mail;
/**
* This class is used to construct a Category object for the /mail/send API call
*
* @package SendGrid\Mail
*/
class Category implements \JsonSerializable
{
/** @var $category string A category name for an email message. Each category name may not exceed 255 characters */
private $category;
/**
* Optional constructor
*
* @param string|null $category A category name for an email message.
* Each category name may not exceed 255
* characters
*/
public function __construct($category = null)
{
if (isset($category)) {
$this->setCategory($category);
}
}
/**
* Add a category to a Category object
*
* @param string $category A category name for an email message.
* Each category name may not exceed 255
* characters
*
* @throws TypeException
*/
public function setCategory($category)
{
if (!is_string($category)) {
throw new TypeException('$category must be of type string.');
}
$this->category = $category;
}
/**
* Retrieve a category from a Category object
*
* @return string
*/
public function getCategory()
{
return $this->category;
}
/**
* Return an array representing a Category object for the SendGrid API
*
* @return string
*/
public function jsonSerialize()
{
return $this->getCategory();
}
}