Java .torrent文件下载

问题描述

我想从此链接下载一个.torrent文件

这样做我使用这个代码

I want to download a .torrent file from this link http://torrage.com/torrent/13764753227BCBE3E8E82C058A7D5CE2BDDF9857.torrentto do this I use this code

URL website = new URL(link);
ReadableByteChannel rbc = Channels.newChannel(website.openStream());
File f = new File(path+"t2.torrent");
FileOutputStream fos = new FileOutputStream(f);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();

现在，当我在utorrent中打开它时，我收到以下消息：无法加载t2.torrent ：torrent不是一个有效的bencoding！

Now, when I open it in utorrent i get this message : Unable to load "t2.torrent": torrent is not a valid bencoding!

从我在互联网上阅读我学习，这个文件有一个特殊的编码。
什么是propper方式下载end编码这种文件。
谢谢！

From what I read on internet I learnd that this files have a special encoding.What is the propper way to download end encode this kind of file.Thanks!

推荐答案

torrent文件损坏的原因是您正在下载的Web服务器提供以压缩（gzip压缩）格式。您可以使用以下代码将其解压缩到Java中：

The reason the torrent file becomes corrupted is that the web server you are downloading it from provides it in compressed (gzipped) format. You can unzip it in Java using the following code:

URL url = new URL(link);
try (InputStream is = new GZIPInputStream(url.openStream())) {
  Files.copy(is, Paths.get(path + "t2.torrent"));
}

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