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Re: Launching Mac applications and passing parameters


On Jan 7, 2006, at 6:56 AM, Thomas Singer wrote:

Hi,

Most likely this is a dumb question, but I searched google and could not find an answer: how do I run Mac applications and pass parameters (from Java)? I've tried something like

 Runtime.getRuntime().exec(new String[] {
   "/Applications/Preview.app/Contents/MacOS/Preview",
   "/Users/tom/test.png"
 });

But that just opens the Preview application without opening the graphic. Is there a general way like "start foo.png" on Windows?

Applications (especially bundled based applications) on Mac OS X don't usually get file open requests as a command line argument. Instead they get open AppleEvents. This allows, for example, an already running instance of Preview.app to open a document that a use double clicked.

Consider using the "open" command to do what you want since it generates the correct launch services operations and sends the correct apple events. You could also use the services of com.apple.eio.FileManager [1].

-Shawn

[1] <http://developer.apple.com/documentation/Java/Reference/1.4.2/ appledoc/api/com/apple/eio/FileManager.html>
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 >Launching Mac applications and passing parameters (From: Thomas Singer <email@hidden>)



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