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Apr 8th, 2007, 3:13 PM
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Newbie
Join Date: Sep 2006
Posts: 14
Rep Power: 0
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File extensions
Hi, i'm trying to add a file extension to a file when the user has typed in the filename without an extension (in a JFileChooser). I've managed to recognise that the file is missing an extension.
String extension = null;
String fileName = file.getName();
int i = fileName.lastIndexOf('.');
if(i > 0 && i < fileName.length() - 1)
{
extension = fileName.substring(i + 1).toLowerCase();
}And from here i can work out the required extension from the filefilters but i don't know how to rename the file before i save it. Can anyone help? |
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