问题描述
我需要在给定FileChannel的情况下读取/解压缩.gz文件。
I need to read/unpack a .gz file given a FileChannel.
我使用GZIPInputStream解压缩GZIP档案，但这不会占用FileChannel。我没有访问FileChannel的原始FileInputStream。
I've played around with extracting GZIP archives using GZIPInputStream, but this won't take a FileChannel. I don't have access to the original FileInputStream that the FileChannel was taken from.
如果有人能告诉我一个好方法（或至少任何
If someone could tell me a good way (or at least any way) of reading GZIP from a FileChannel, I would greatly appreciate it.
改编自。
Adapted from a question on the Oracle forums.
推荐答案
您可以在FileChannel周围获取包装InputStream：
You could obtain a wrapping InputStream around the FileChannel:
FileChannel fc = ...
GZIPInputStream gis = new GZIPInputStream(Channels.newInputStream(fc));
在Java SE中。
Channels is in Java SE.
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