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  packing resouces into JAR  (Read 975 times)
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Offline Kova

Senior Devvie





« Posted 2006-04-09 17:17:28 »

Hello.
I'm having a stupid problem. I can't properly pack a JAR Sad
I have manifest.mf file with:  "Main-Class: viktorije.Viktorije", directory (package) viktorije and Images directory (.png images). I use "jar -cfmv viktorije.jar manifest.mf viktorije Images" ... classes are packet correctly but Images not. When I run it I get catched error it can't load "Images\some_image.png". How do I pack Images into jar? Thank you.

Edit:
I don't know if it makes any difference, but here's how I load images:

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   public static BufferedImage loadImage(String path) {
      URL url = null;
       try {
          url = Viktorije.class.getClassLoader().getResource(path);
           return ImageIO.read(url);
       } catch (Exception e) {
          System.out.println("Error loading image: " + path + " " + url);
          System.exit(0);
          return null;
       }
   }
Offline Jeff

JGO Coder




Got any cats?


« Reply #1 - Posted 2006-04-09 19:32:05 »

That backslash in your image path makes me very suspciious.

Are you sure its not that?

you can use jar -tf <jarfile>  to see what is really  in the jar.

Got a question about Java and game programming?  Just new to the Java Game Development Community?  Try my FAQ.  Its likely you'll learn something!

http://wiki.java.net/bin/view/Games/JeffFAQ
Offline Kova

Senior Devvie





« Reply #2 - Posted 2006-04-09 19:56:40 »

Yeah, thanks Jeff.
It was backslash... when I put slashes instead it worked in JAR. So I guess using slashes for path is the right way... don't know why backslashes work also then.  Embarrassed
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Offline Jeff

JGO Coder




Got any cats?


« Reply #3 - Posted 2006-04-11 00:44:06 »

Yeah, thanks Jeff.
It was backslash... when I put slashes instead it worked in JAR. So I guess using slashes for path is the right way... don't know why backslashes work also then.  Embarrassed

Well apparently they dont since you tried it that way and it failed.

Having said that, the right way to put a backslash in a string is "\\".  A single slash just is an escape on the following character.

Got a question about Java and game programming?  Just new to the Java Game Development Community?  Try my FAQ.  Its likely you'll learn something!

http://wiki.java.net/bin/view/Games/JeffFAQ
Offline Kova

Senior Devvie





« Reply #4 - Posted 2006-04-11 12:03:26 »

Yeah, I used "\\" ... when I said it works I meant directly running from Eclipse. Guess it's a windows thing. Of course from .jar it dosen't work.
Offline Jeff

JGO Coder




Got any cats?


« Reply #5 - Posted 2006-04-11 18:42:59 »

AUIU when you say "from swing" you really mean from a local file.  Windows udnerstands \ as part of ist file paths.

The code that reads from the JARs however is totally different code and inst going through windows path parsing.

Got a question about Java and game programming?  Just new to the Java Game Development Community?  Try my FAQ.  Its likely you'll learn something!

http://wiki.java.net/bin/view/Games/JeffFAQ
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