class.ilWACException.php

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<?php
require_once('./Services/Exceptions/classes/class.ilException.php');

class ilWACException extends ilException
{
    const CODE_NO_TYPE = 9001;
    const CODE_NO_PATH = 9002;
    const ACCESS_WITHOUT_CHECK = 9003;
    const NO_CHECKING_INSTANCE = 9004;
    const WRONG_PATH_TYPE = 9005;
    const INITIALISATION_FAILED = 9006;
    const DATA_DIR_NON_WRITEABLE = 9007;
    const ACCESS_DENIED = 9010;
    const ACCESS_DENIED_NO_PUB = 9011;
    const ACCESS_DENIED_NO_LOGIN = 9012;
    const MAX_LIFETIME = 9013;
    protected static $messages = array(
        self::CODE_NO_TYPE => 'No type for Path-Signing selected',
        self::WRONG_PATH_TYPE => 'This path-type cannot be signed',
        self::CODE_NO_PATH => 'No path for checking available',
        self::ACCESS_WITHOUT_CHECK => 'Resource could not be found',
        self::NO_CHECKING_INSTANCE => 'This path is not secured by a class',
        self::ACCESS_DENIED => 'Resource could not be found',
        self::ACCESS_DENIED_NO_PUB => 'Resource could not be found',
        self::INITIALISATION_FAILED => 'An error occured during your request. Please reload the page.',
        self::DATA_DIR_NON_WRITEABLE => 'The SALT cannot be written to your /data directory. Please check the write permissions on the webserver.',
        self::MAX_LIFETIME => 'You can only only use lifetimes shorter than ilWACSignedPath::MAX_LIFETIME',
    );


    public function __construct($code, $additional_message = '')
    {
        $message = self::$messages[$code];

        if ($this->isNonEmptyString($additional_message)) {
            $message = "\"{$this->message}\" with additional message: \"$additional_message\"";
        }

        //ilWACLog::getInstance()->write('Exception in ' . $this->getFile() . ':' . $this->getLine() . ': ' . $message);
        parent::__construct($message, $code);
    }


    private function isNonEmptyString($text)
    {
        assert(is_string($text));

        return strcmp($text, '') !== 0;
    }
}