Re: RAM FileDescriptor

From:
Lew <lewbloch@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 15 Oct 2012 11:27:13 -0700 (PDT)
Message-ID:
<5855dde7-ea94-46fb-a8aa-7012f29a9a88@googlegroups.com>
bob smith wrote:

Let's say you have a function that plays a movie that is passed in as a FileDescriptor.


That seems like a really bad way to pass in such a thing.

Is there any way to load the movie into RAM and get a FileDescriptor for the RAM?


You really shouldn't use 'FileDescriptor'. Haven't others commented on this to you before?

"The main practical use for a file descriptor is to create a FileInputStream or FileOutputStream to contain it.
Applications should not create their own file descriptors."

So you want to ignore that advice why?

Anyway, to answer your question, you load it into RAM the same way you would any
'FileInputStream'.

Create one around your 'FileDescriptor' and continue as you should have in the first place
from the stream.

To put it another way, create the stream first, then pass it into your file handler routine.

 process( new FileInputStream( fileDescriptorIShouldNotHaveUsed ));

and thus

 public void process( InputStream input ) throws IOException { ... }

--
Lew

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