<?php

/*

 * This file is part of the Monolog package.

 *

 * (c) Jordi Boggiano <j.boggiano@seld.be>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Monolog\Handler;

use Monolog\Formatter\SimpleFormatter;

use Monolog\Logger;

/**

 * Stores to any stream resource

 *

 * Can be used to store into php://stderr, remote and local files, etc.

 *

 * @author Jordi Boggiano <j.boggiano@seld.be>

 */

class StreamHandler extends AbstractProcessingHandler

{

    protected $stream;

    protected $url;

    /**

     * @param string $stream

     * @param integer $level The minimum logging level at which this handler will be triggered

     * @param Boolean $bubble Whether the messages that are handled can bubble up the stack or not

     */

    public function __construct($stream, $level = Logger::DEBUG, $bubble = true)

    {

        parent::__construct($level, $bubble);

        if (is_resource($stream)) {

            $this->stream = $stream;

        } else {

            $this->url = $stream;

        }

    }

    /**

     * {@inheritdoc}

     */

    public function close()

    {

        if (is_resource($this->stream)) {

            fclose($this->stream);

        }

        $this->stream = null;

    }

    /**

     * {@inheritdoc}

     */

    protected function write(array $record)

    {

        if (null === $this->stream) {

            if (!$this->url) {

                throw new \LogicException('Missing stream url, the stream can not be opened. This may be caused by a premature call to close().');

            }

            $this->stream = @fopen($this->url, 'a');

            if (!is_resource($this->stream)) {

                $this->stream = null;

                throw new \UnexpectedValueException(sprintf('The stream or file "%s" could not be opened; it may be invalid or not writable.', $this->url));

            }

        }

        fwrite($this->stream, (string) $record['formatted']);

    }

}