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  Loading custom font security issues  (Read 1019 times)
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Offline roland
« Posted 2011-07-23 11:48:10 »

Hi, I have this code here that works fine offline, but fails online because of security IO issues.
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font = Font.createFont(Font.TRUETYPE_FONT,new File("font.ttf")).deriveFont(20f);


I think the problem is that it is trying to load the font from the user's file system instead of from the server. How can I fix this?
thanks  Smiley
Offline Dx4

Junior Duke


Medals: 5



« Reply #1 - Posted 2011-07-23 13:27:10 »

Hi, I have this code here that works fine offline, but fails online because of security IO issues.
1  
font = Font.createFont(Font.TRUETYPE_FONT,new File("font.ttf")).deriveFont(20f);


I think the problem is that it is trying to load the font from the user's file system instead of from the server. How can I fix this?
thanks  Smiley


try putting the font in the jar then using getClass().getClassLoader().getResourceAsStream( ... ) and passing the stream into createFont instead. the accesscontrolcontext created by createFont with an input stream should have temp folder write permission.

HTH

 - David
Offline roland
« Reply #2 - Posted 2011-07-24 03:25:07 »

Thanks for the reply David. That sounds like a good way to do it.
I found another way too:

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URL url = null;
      try
      {
         url = new URL(getCodeBase(), "font.ttf");
         InputStream in=url.openStream();
         m_font = Font.createFont(Font.TRUETYPE_FONT,in).deriveFont(20f);
      }
      catch (Exception e) {}
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Offline Dx4

Junior Duke


Medals: 5



« Reply #3 - Posted 2011-07-24 07:55:12 »

Thanks for the reply David. That sounds like a good way to do it.
I found another way too:

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URL url = null;
      try
      {
         url = new URL(getCodeBase(), "font.ttf");
         InputStream in=url.openStream();
         m_font = Font.createFont(Font.TRUETYPE_FONT,in).deriveFont(20f);
      }
      catch (Exception e) {}


no worries, glad i could help.
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