Fault.php

<?php

namespace Supervisor\Exception;

/**
 * Fault codes are taken from the source code, not the documentation.
 * The most common ones are covered by the XML-RPC doc.
 *
 * @link http://supervisord.org/api.html
 *
 * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
 */
class Fault extends \Exception
{
    /**
     * Fault responses.
     */
    const UNKNOWN_METHOD = 1;
    const INCORRECT_PARAMETERS = 2;
    const BAD_ARGUMENTS = 3;
    const SIGNATURE_UNSUPPORTED = 4;
    const SHUTDOWN_STATE = 6;
    const BAD_NAME = 10;
    const BAD_SIGNAL = 11;
    const NO_FILE = 20;
    const NOT_EXECUTABLE = 21;
    const FAILED = 30;
    const ABNORMAL_TERMINATION = 40;
    const SPAWN_ERROR = 50;
    const ALREADY_STARTED = 60;
    const NOT_RUNNING = 70;
    const SUCCESS = 80;
    const ALREADY_ADDED = 90;
    const STILL_RUNNING = 91;
    const CANT_REREAD = 92;

    /**
     * @var array
     */
    private static $exceptionMap = [
        1  => 'Supervisor\Exception\Fault\UnknownMethod',
        2  => 'Supervisor\Exception\Fault\IncorrectParameters',
        3  => 'Supervisor\Exception\Fault\BadArguments',
        4  => 'Supervisor\Exception\Fault\SignatureUnsupported',
        6  => 'Supervisor\Exception\Fault\ShutdownState',
        10 => 'Supervisor\Exception\Fault\BadName',
        11 => 'Supervisor\Exception\Fault\BadSignal',
        20 => 'Supervisor\Exception\Fault\NoFile',
        21 => 'Supervisor\Exception\Fault\NotExecutable',
        30 => 'Supervisor\Exception\Fault\Failed',
        40 => 'Supervisor\Exception\Fault\AbnormalTermination',
        50 => 'Supervisor\Exception\Fault\SpawnError',
        60 => 'Supervisor\Exception\Fault\AlreadyStarted',
        70 => 'Supervisor\Exception\Fault\NotRunning',
        80 => 'Supervisor\Exception\Fault\Success',
        90 => 'Supervisor\Exception\Fault\AlreadyAdded',
        91 => 'Supervisor\Exception\Fault\StillRunning',
        92 => 'Supervisor\Exception\Fault\CantReread',
    ];

    /**
     * Creates a new Fault.
     *
     * If there is a mach for the fault code in the exception map then the matched exception will be returned
     *
     * @param string $faultString
     * @param int    $faultCode
     *
     * @return self
     */
    public static function create($faultString, $faultCode)
    {
        if (!isset(self::$exceptionMap[$faultCode])) {
            return new self($faultString, $faultCode);
        }

        return new self::$exceptionMap[$faultCode]($faultString, $faultCode);
    }
}