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Java 7 introduced a zip FileSystem. The link below illustrates how to create a zip FileSystem from a zip file.
http://docs.oracle.com/javase/7/docs/technotes/guides/io/fsp/zipfilesystemprovider.html
However, I can find no example of how to create a zip FileSystem from an InputStream. Is that possible? If so, how?
Note: I know I can write the InputStream to disk and create a zip FileSystem as described. I consider that a hack, and I would prefer to avoid it.
No, it’s not possible because the file system requires random access to the ZIP file.
Shameless self-plug: You may find TrueZIP easier to work with and more powerful. However, the same constraint applies to it, too.