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  Reading a file from CD/DVD.  (Read 1559 times)
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Offline zappsweden

Junior Devvie

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« Posted 2007-05-13 11:08:01 »

The has alot of classes for reading and writing. I know I can use the path of my CD/DVD player to make java read from it but if I did not know the path, how can I detemine that during runtime i.e what path my primary cd/dvd device has?
Offline Riven

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« Reply #1 - Posted 2007-05-13 13:16:22 »

You can't.

You can make a lame guestimate though:

 // Java 6 required
for(File root: File.listRoots())
   if(!root.canWrite() && root.getFreeSpace() == 0)
      // prolly CD/DVD ?

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Offline zappsweden

Junior Devvie

Java games rock!

« Reply #2 - Posted 2007-05-13 20:35:28 »

Thanks, saves me alot of time not trying to find something that does not exist Smiley
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Offline CommanderKeith
« Reply #3 - Posted 2007-05-14 01:06:25 »

I've got a feeling that there must be a more concrete way of doing it since the native look and feel JFileChooser can give a cd-icon to cd & dvd drives.  Not sure how it does it though.  Maybe you can look into the source for the native JFileChooser and figure it out from there???


Offline blahblahblahh

JGO Coder

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« Reply #4 - Posted 2007-05-16 09:50:59 »

Be careful - test this. A lot of drives do weird stuff if you try to access them when they're not ready, such as blocking Windows Explorer for a minute or more whilst trying to find the disk (or Flash card etc) they think you have in there but you don't.

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Offline Abuse

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« Reply #5 - Posted 2007-05-16 11:40:17 »

Just prompt the user, its the only catch-all solution.

My home pc has 1 cd drive, 1 dvd drive and 4 vitual cd drives - There is no way you can programatically determine the correct one.

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