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Changing the default icon in Netbeans' native deployment feature for Java apps

I know the question is very long, but in a nutshell it's just that. As you know Netbeans has a feature with the help of inno setup that allows the creation of .exe installers of Java applications. The problem is that I would like to change the default icon it has (a grey java icon) for a custom one.
I have searched a lot through both Stack and Google and I haven't found anything. The closest it got is to change it via Launch4j. The thing is if it is possible to do it within Netbeans.
Furthermore, I was wondering if there is a possibility to add several languages to the installer and some other features like the creation of a desktop icon. I guess if the option exists it would be in the same place as the change-icon... but I am completely lost regarding this issue.

Java FileDialog selecting directories: Mac OSX only?

I read that via
System.setProperty("apple.awt.fileDialogForDirectories", "true");
users can select directories via a FileDialog, now the FileDialog evoces the native file chooser, so that is exactly what i want but in the line above it reads: apple.awt..., does this mean this option will only work on Mac OSX?
if(no) {
great
} else {
what can i do to implement this on other operating systems than?
}
Thanks for any help!
PS: I know a lot of people suggest the use of a JFileChooser, but in this case i'd very much prefer the FileDialog, except if that's impossible

It is exactly as you feared.
AWT used native libs underneath. OSX has the feature to look for directories only, windows does not.
So youre only change is to use a dialog not based on AWT, i.e. Swing or SWT.
You can define an interface with platform specifc implementations. This gives a good looking dialog on OSX and something that works on other platforms. That's what I do.

To my knowledge, FileDialog does not support (in-code) using a directory dialog on all platforms.
You're already mentioned Swing's JFileChooser, but you may want to consider SWT for your widgets instead.
SWT is Eclipse (originally IBM)'s project to create an updated Java GUI Toolkit that still uses native widgets when they are available.
The major downside of SWT is that it is not part of the standard Java distribution... and each platform has its own SWT jar file.
Incidentally, SWT has a DirectoryDialog widget.

How to make your desktop Java app looks like Open Office or Eclipse etc.?

How to make your desktop Java app looks like Open Office or Eclipse etc ?
Installation process looks like any Windpws app. installation. There is no Java logo on the to on a app window. You run it by .exe file. How it is done? Is this jar->exe conversion?
Is there any free tool to do that?

For the native look, you can obviously go the SWT way, like Eclipse does, however it's a painful one. You could/should prefer the Swing look'n'feel, by using, as an example, the Substance Look'n'Feel.
For the installation part, you can use
InstallAnywhere
IzPack
For the exe wrapper, you can use
Launch4J
JSmooth
or others ...
However, I think that, by doing so, you're doing it wrong.
indeed, instead of the classical download/install step, which is cumbersome, you can go the Java Web Start way : user only has to click one webpage link to install application to its machine (with an update mechanism directly integrated in), an install that go as far as potentially including desktop and start menu shortcuts, and an element in the Windows install panel to remove installed software.

I tried Jar2Exe, and JSmooth, they both produce exe files from jar archives.

The question is a little unclear, but I think that what you're after is making your java app behave like a native app (stuff like running it when an icon is double-clicked, etc...). There is an excellent tutorial on this here.

Note that, for the graphic part, Eclipse uses a library called SWT, which is a set of widgets that feel and behave in a different way that Java Swing or AWT.
Anyway, if you go the normal Java (Swing) way, the Java logo on the top of an app window is setIconImage() method in JFrame components.
Riduidel already told you about .exe wrappers and installers you can use. For the installer, I also suggest you to consider Java Web Start instead of a normal Windows installer.

I think it uses LookAndFeel, I let you read: http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e){}
EDIT: I didn't read the entire question ^^' Maybe it will be useful to someone...

windows shell scripting through java

i am designing a desktop application like nero for removable media storage that also includes features of copyfast. i want to add an option of my own choice in the windows explorer right click menu. how can i do that? am i proceeding in the right direction?

What does your question has to do with shell scripting?
You can get the functionality with c sharp easily:
http://www.codeproject.com/KB/cs/appendmenu.aspx
But take a look other peoples work where the embed the windows context menu within a java app:
_ttp://timealias.bplaced.net/ContextMenuPlugin/ (can only post only link; need more rep)

DragNDrop from Java to Windows Explorer

I want to create an application in Java that lists a directory and add drag and drop support to it for copying files from that directory to the explorer window opened and vice-versa(Windows system).
While adding support to drag and drop from windows explorer to the java application is quite easy, it kind of eludes me how to do it when the action starts from the java application and ends in explorer.
I tried searching google and SO, but to no avail.
Any pointers, directions, snippets of codes or pseudocodes will be appreciated.
So, is it possible to drag from a java application and transfer data to a drop target in a native application? If yes (it should be), can you point me in the right direction?

Yes, what you have to do is set the mime type on the transferable, and set the accepted actions (i.e. copy, move, etc) as well as the default action (it sounds like a copy action for what you are trying to do). This class is the transfer handler, which is what is used to handle DnD in Swing.

Just use the fileListFlavour DataFlavour and File drag'n drop will "just work" in both directions.
I'm sure you found the section on drag n drop in the java tutorial.

Book: Swing Hacks
Hack # 65
That's your answer :)