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Editorial Team
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Asked: 2026-05-13T13:33:52+00:00

It is possible to access HTML DOM from an applet using netscape.javascript JSObject API.

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It is possible to access HTML DOM from an applet using netscape.javascript JSObject API.
However, if I query a value of a input type=”file”, on some browsers (Opera) I get a full path to a selected file, but on other browsers (Firefox, Chrome) just a file name without path.

Is it possible, having an HTML input type=”file”, to figure out the full path to the file selected in it from a Java applet?

The reason why I bother: signed applets can access file system, and browsers’ file selectors are a lot nicer than Java swing one.

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1 Answer

  1. Editorial Team

    You cannot. You’re restricted by HTML/JS (and browser) security limitations. Officially, the value of input type="file" should only return the filename, never the filepath. I am however surprised that Opera returns the full path, namely because MSIE was the only one I knew of who did it.

    But as you’re already running an applet, why don’t you just make use of its capabilities? You can use Swing’s JFileChooser to select a file, exactly as you can do with HTML input type="file".

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