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<?php
/* --------------------------------------------------------------
   CustomerHouseNumber.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('CustomerHouseNumberInterface');
require_once __DIR__ . '/../../../../Shared/Utility/StringUtilityTrait.inc.php';

/**
 * Value Object
 *
 * Class CustomerHouseNumber
 *
 * Represents a house number
 *
 * @category   System
 * @package    Customer
 * @subpackage ValueObjects
 * @implements CustomerHouseNumberInterface
 */
class CustomerHouseNumber implements CustomerHouseNumberInterface
{
    use StringUtilityTrait;
    
    /**
     * House number.
     * @var string
     */
    protected $houseNumber;
    
    
    /**
     * Constructor of the class CustomerHouseNumber.
     *
     * Validates the length and the data type of a house number.
     *
     * @param string $houseNumber House number.
     *
     * @throws InvalidArgumentException If $houseNumber is not a string.
     * @throws LengthException If $houseNumber contains more than 64 characters.
     */
    public function __construct($houseNumber)
    {
        if(!is_string($houseNumber))
        {
            throw new InvalidArgumentException('$houseNumber is not a string');
        }
        
        $dbFieldLength = 64;
        $houseNumber   = trim($houseNumber);
        
        if($this->strlenWrapper($houseNumber) > $dbFieldLength)
        {
            throw new LengthException('$houseNumber is longer than ' . $dbFieldLength . ' characters VARCHAR('
                                      . $dbFieldLength . ')');
        }
        
        $this->houseNumber = $houseNumber;
    }
    
    
    /**
     * Returns the equivalent string value.
     * @return string Equivalent string value.
     */
    public function __toString()
    {
        return $this->houseNumber;
    }
}