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Current File : //var/www/oasis/aws/Aws/Arn/AccessPointArn.php

<?php
namespace Aws\Arn;

use Aws\Arn\Exception\InvalidArnException;

/**
 * @internal
 */
class AccessPointArn extends Arn implements ArnInterface
{
    use ResourceTypeAndIdTrait;

    /**
     * AccessPointArn constructor
     *
     * @param $data
     */
    public function __construct($data)
    {
        parent::__construct($data);
        static::validate($this->data);
    }

    public static function parse($string)
    {
        $data = parent::parse($string);
        return self::parseResourceTypeAndId($data);
    }

    /**
     * Validation specific to AccessPointArn
     *
     * @param array $data
     */
    protected static function validate(array $data)
    {
        if (empty($data['region'])) {
            throw new InvalidArnException("The 4th component of an access point ARN"
                . " represents the region and must not be empty.");
        }

        if (empty($data['account_id'])) {
            throw new InvalidArnException("The 5th component of an access point ARN"
                . " represents the account ID and must not be empty.");
        }
        if (!self::isValidHostLabel($data['account_id'])) {
            throw new InvalidArnException("The account ID in an access point ARN"
                . " must be a valid host label value.");
        }

        if ($data['resource_type'] !== 'accesspoint') {
            throw new InvalidArnException("The 6th component of an access point ARN"
                . " represents the resource type and must be 'accesspoint'.");
        }

        if (empty($data['resource_id'])) {
            throw new InvalidArnException("The 7th component of an access point ARN"
                . " represents the resource ID and must not be empty.");
        }
        if (strpos($data['resource_id'], ':') !== false) {
            throw new InvalidArnException("The resource ID component of an access"
                . " point ARN must not contain additional components"
                . " (delimited by ':').");
        }
        if (!self::isValidHostLabel($data['resource_id'])) {
            throw new InvalidArnException("The resource ID in an access point ARN"
                . " must be a valid host label value.");
        }
    }

    protected static function isValidHostLabel($string)
    {
        $length = strlen($string);
        if ($length < 1 || $length > 63) {
            return false;
        }
        if ($value = preg_match("/^[a-zA-Z0-9-]+$/", $string)) {
            return true;
        }
        return false;
    }
}