CrawlerException.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 CrawlerException extends \Exception
{
    const UNKNOWN_EXCEPTION = -1;
 
    const ARRAY_EXPECTED = 1000;
    const STRING_EXPECTED = 1001;
    const INVALID_TYPE = 1002;
    const EMPTY_STRING = 1002;
 
    const EMPTY_ENTRY   = 2000;
    const INVALID_MANDATORY_ENTRY_ATTRIBUTE   = 2001;
    const DUPLICATE_ENTRY  = 2002;
    const DUPLICATE_ROOT_ENTRY   = 2003;
    const INVALID_ID   = 2004;
    const INVALID_FILE_PATH = 2005;
    const INVALID_RULES_ENTRY = 2006;
    const ENTRY_WITH_NO_YAML_DESCRIPTION = 2007;
    const ENTRY_WITH_NO_VALID_RETURN_STATEMENT = 2008;
    const PARSING_YAML_ENTRY_FAILED = 2009;
    const ENTRY_TITLE_MISSING   = 2010;
    const ENTRY_WITHOUT_FUNCTION        = 2011;
 
    const FILE_CREATION_FAILED   = 3000;
    const FOLDER_CREATION_FAILED = 3001;
    const FILE_OPENING_FAILED = 3002;
    const LESS_COMPILE_FAILED = 3003;
    const FOLDER_DELETION_FAILED = 3004;
    const FILE_DELETION_FAILED = 3005;
 
    const INVALID_INDEX = 4000;
    const MISSING_INDEX = 4001;
 
    const CRAWL_MAX_NESTING_REACHED = 5000;
 
    protected $message = "";
 
    protected $code = -1;
 
    protected $add_info = "";
 
    public function __construct($exception_code = -1, $exception_info = "")
    {
        $this->add_info = $exception_info;
        $this->code = $exception_code;
        $this->assignMessageToCode();
        parent::__construct($this->message, $exception_code);
    }
 
    protected function assignMessageToCode()
    {
        switch ($this->code) {
            case self::ARRAY_EXPECTED:
                $this->message = "Array was expected, got " . $this->add_info;
                break;
            case self::STRING_EXPECTED:
                $this->message = "String was expected, got " . $this->add_info;
                break;
            case self::INVALID_TYPE:
                $this->message = "Invalid type: " . $this->add_info;
                break;
            case self::EMPTY_STRING:
                $this->message = "String can not be empty: " . $this->add_info;
                break;
 
            case self::EMPTY_ENTRY:
                $this->message = "Empty Entry " . $this->add_info;
                break;
            case self::INVALID_MANDATORY_ENTRY_ATTRIBUTE:
                $this->message = "Invalid mandatory entry Attribute: " . $this->add_info;
                break;
            case self::DUPLICATE_ENTRY:
                $this->message = "There are entries with the same ID. Duplicate: " . $this->add_info;
                break;
            case self::DUPLICATE_ROOT_ENTRY:
                $this->message = "There are multiple root entry. Duplicate: " . $this->add_info;
                break;
            case self::INVALID_ID:
                $this->message = "No such ID in tree: " . $this->add_info;
                break;
            case self::ENTRY_WITH_NO_YAML_DESCRIPTION:
                $this->message = "No YAML Description found for Entry returned by: '" . $this->add_info .
                    "' (check if the entry is properly introduced and closed with '---' before return statement)";
                break;
            case self::ENTRY_WITH_NO_VALID_RETURN_STATEMENT:
                $this->message = "No Return statement given for Entry: " . $this->add_info;
                break;
            case self::PARSING_YAML_ENTRY_FAILED:
                $this->message = "Parsing Yaml entry failed: " . $this->add_info;
                break;
            case self::ENTRY_TITLE_MISSING:
                $this->message = "Entry Title missing (check if valid function name is set for all entries): " . $this->add_info;
                break;
            case self::ENTRY_WITHOUT_FUNCTION:
                $this->message = "Entry Function missing: " . $this->add_info;
                break;
 
            case self::INVALID_FILE_PATH:
                $this->message = "Invalid file path or file not readable: " . $this->add_info;
                break;
            case self::FILE_CREATION_FAILED:
                $this->message = "File creation failed, path: " . $this->add_info;
                break;
            case self::FOLDER_CREATION_FAILED:
                $this->message = "Folder creation failed, path: " . $this->add_info;
                break;
            case self::FOLDER_DELETION_FAILED:
                $this->message = "Folder delation failed, path: " . $this->add_info;
                break;
            case self::FILE_DELETION_FAILED:
                $this->message = "File delation failed, path: " . $this->add_info;
                break;
            case self::LESS_COMPILE_FAILED:
                $this->message = "Compilation of less failed: " . $this->add_info;
                break;
            case self::FILE_OPENING_FAILED:
                $this->message = "Failed to open file  : " . $this->add_info;
                break;
 
            case self::INVALID_INDEX:
                $this->message = "Invalid index: " . $this->add_info;
                break;
            case self::MISSING_INDEX:
                $this->message = "Missing index in class: " . $this->add_info;
                break;
            case self::CRAWL_MAX_NESTING_REACHED:
                $this->message = "Max nesting reached while crowling (Factories might contain a circle), info: " . $this->add_info;
                break;
 
            case self::UNKNOWN_EXCEPTION:
            default:
                $this->message = "Unknown Exception " . $this->add_info;
                break;
        }
    }
 
    public function __toString()
    {
        return get_class($this) . " '{$this->message}' in {$this->file}({$this->line})\n"
        . "{$this->getTraceAsString()}";
    }
}