How to escape spaces in a URL with HyperlinkEvent.getDescription()

Hi,
I'm trying to open a file whose URL contains spaces, this way:
if (ev.getEventType() == HyperlinkEvent.EventType.ACTIVATED)
String urlStr = ev.getDescription();
BrowserLauncher.openURL(urlStr);
My urlStr contains the value:
"file:/C:/Program Files/My Software/Readme.htm"
and I want to convert it to the correct url format:
"file:/C:/Program%20Files/My%20Software/Readme.htm".
I found a usage note for File's toURL() API, that it should be called using toURI() first which automatically escapes characters that are illegal in URLs, anything similar for HyperlinkEvent's getDescription() (or getURL())?
TIA
- Vidya.

Hi,
I'd tried this earlier, but this also escapes the '/' in the path, resulting into a URL of this form:
�file%3A%2FC%3A%2FProgram+Files%2FMy+Software%2FReadme.htm�
This doesn't work, IE is not able to open the link in the above format.
Thanks,
Vidya.

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