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<?php
/* --------------------------------------------------------------
   CustomerAdditionalAddressInfo.inc.php 2016-04-08
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2016 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

MainFactory::load_class('CustomerAdditionalAddressInfoInterface');
require_once __DIR__ . '/../../../../Shared/Utility/StringUtilityTrait.inc.php';

/**
 * Value Object
 *
 * Class CustomerAdditionalAddressInfo
 *
 * Represents additional address information
 *
 * @category   System
 * @package    Customer
 * @subpackage ValueObjects
 * @implements CustomerAdditionalAddressInfoInterface
 */
class CustomerAdditionalAddressInfo implements CustomerAdditionalAddressInfoInterface
{
    use StringUtilityTrait;
    
    /**
     * Customer's additional address information.
     * @var string
     */
    protected $additionalInfo;
    
    
    /**
     * Constructor of the class CustomerAdditionalAddressInfo.
     *
     * Validates the length and the data type of additional address info.
     *
     * @param string $additionalInfo Customer's additional address info.
     *
     * @throws InvalidArgumentException If $additionalInfo is not a string.
     * @throws LengthException If $additionalInfo contains more than 255 characters.
     */
    public function __construct($additionalInfo)
    {
        if(!is_string($additionalInfo))
        {
            throw new InvalidArgumentException('$additionalInfo is not a string');
        }
        
        $dbFieldLength  = 255;
        $additionalInfo = trim($additionalInfo);
        
        if($this->strlenWrapper($additionalInfo) > $dbFieldLength)
        {
            throw new LengthException('$additionalInfo is longer than ' . $dbFieldLength . ' characters VARCHAR('
                                      . $dbFieldLength . ')');
        }
        
        $this->additionalInfo = $additionalInfo;
    }
    
    
    /**
     * Returns the equivalent string value.
     * @return string Equivalent string value.
     */
    public function __toString()
    {
        return $this->additionalInfo;
    }
}