Create folder/container with extension but treat it as a file?

Question

I have a custom "container" folder. I named it .llp. It is actually a folder which contains inside 2 files that I actually need.

Then I use JFileChooser and tell it to display only .llp files. But if I select any of those .llp files/folders it opens them and I see files in it. I could use workaround:

fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

But then user can select some different folders as well.

I would be much happier if when I could create that .llp file/container and that system treat it as a file container, not as a folder. For example, if I double click on it, I don't want it to open but to ask me which program do I want to use to open .llp file type.

how about a .zip file or perhaps more appropriately a .jar file? The filesystem would then see it as a single file, but I seem to recall you could easily open it from Java code and read the contents. — Nerdtron, Dec 15 '11 at 15:11
I also programmatically create those .llp files. Can I create .zip from java and rename it to .llp? — vale4674, Dec 15 '11 at 15:14
Check [this post on how to create a zip file](http://stackoverflow.com/q/1091788/741249) — THelper, Dec 15 '11 at 15:43
@ Nerdtron I did it with zip file folowing [this](http://www.exampledepot.com/egs/java.util.zip/CreateZip.html) example. Tnx — vale4674, Dec 15 '11 at 22:04

score 1 · Accepted Answer · answered Jun 27 '12 at 15:22

1

Since nedtron didn't put his answer in answer section but in comments I'll answer it.

.zip is the solution.

answered Jun 27 '12 at 15:22

vale4674

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Create folder/container with extension but treat it as a file?

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