CrawlerAssertion.php

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<?php

/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

namespace ILIAS\UI\Implementation\Crawler\Exception;

class CrawlerAssertion
{
        protected $f = null;

        public function __construct(){
                $this->f = new Factory();
        }

        public function isArray($array){
                if(!is_array($array)){
                        throw $this->f->exception(CrawlerException::ARRAY_EXPECTED,$array);
                }
        }

        public function isString($string, $allow_empty = true){
                if(!is_string($string)){
                        if(is_array($string)){
                                $string = json_encode($string);
                        }
                        throw $this->f->exception(CrawlerException::STRING_EXPECTED,(string)$string);
                }if(!$allow_empty && $string == ""){
                        throw $this->f->exception(CrawlerException::EMPTY_STRING,(string)$string);
                }
        }

        public function isIndex($index, array $array){
                if(!array_key_exists($index, $array)){
                        throw $this->f->exception(CrawlerException::INVALID_INDEX,$index);
                }
        }

        public function isNotIndex($index, array $array){
                if(array_key_exists($index, $array)){
                        throw $this->f->exception(CrawlerException::DUPLICATE_ENTRY,$index);
                }
        }

        public function hasIndex($array,$index){
                if(!array_key_exists($index, $array)){
                        throw $this->f->exception(CrawlerException::MISSING_INDEX,$index);
                }
        }

        public function isTypeOf($element,$class_name){
                if(!get_class($element) == $class_name){
                        throw $this->f->exception(CrawlerException::INVALID_TYPE,"Expected: ".$class_name." got ".get_class($element));
                }
        }
}