<?php

namespace Nijens\ProtocolStream;

use Nijens\ProtocolStream\Stream\StreamInterface;

/**
 * StreamManager.
 *
 * @author Niels Nijens <nijens.niels@gmail.com>
 */
class StreamManager
{
    /**
     * The array with stream instances.
     *
     * @var StreamInterface[]
     */
    private static $streams = array();

    /**
     * Constructs a new stream manager instance.
     *
     * @return self
     */
    public static function create()
    {
        return new self();
    }

    /**
     * Registers stream instance for a protocol.
     *
     * @param StreamInterface $stream
     * @param bool            $replaceWrapper
     *
     * @return self
     */
    public function registerStream(StreamInterface $stream, $replaceWrapper = false)
    {
        $protocol = $stream->getProtocol();
        if ($replaceWrapper === true && in_array($protocol, stream_get_wrappers())) {
            stream_wrapper_unregister($protocol);
        }

        if (stream_wrapper_register($protocol, $stream->getStreamWrapperClass())) {
            self::$streams[$protocol] = $stream;
        }

        return $this;
    }

    /**
     * Unregisters a stream instance by protocol.
     *
     * @param string $protocol
     *
     * @return self
     */
    public function unregisterStream($protocol)
    {
        if (isset(self::$streams[$protocol])) {
            $result = stream_wrapper_unregister($protocol);
            if ($result === true) {
                unset(self::$streams[$protocol]);
            }
        }

        return $this;
    }

    /**
     * Returns the stream instance by protocol.
     *
     * @param string $protocol
     *
     * @return StreamInterface|null
     */
    public function getStream($protocol)
    {
        if (isset(self::$streams[$protocol])) {
            return self::$streams[$protocol];
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjgzMzg0OTc1NjExMzk4NSA0NTcwNDA4MzY1MjU3Mzk0IDU4MDI5Nzg2ODgyODUxMw==