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Question

Java: Open default mail application and create new mail and populate To and Subject fields

Answer 1

+4 A:

Desktop.mail(URI) is your friend!

Javadoc:

Launches the mail composing window of the user default mail client, filling the message fields specified by a mailto: URI.

A mailto: URI can specify message fields including "to", "cc", "subject", "body", etc. See The mailto URL scheme (RFC 2368) for the mailto: URI specification details.

Example Code:

Desktop desktop;
if (Desktop.isDesktopSupported() 
    && (desktop = Desktop.getDesktop()).isSupported(Desktop.Action.MAIL) {
  URI mailto = new URI("mailto:[email protected]?subject=Hello%20World");
  desktop.mail(mailto);
} else {
  // TODO fallback to some Runtime.exec(..) voodoo?
  throw new RuntimeException("desktop doesn't support mailto; mail is dead anyway ;)");
}

sfussenegger 2010-03-01 18:04:03

Does this work all the time? I've tried to use awt.Desktop.getDesktop() before and soemtimes it just doesn't work - see also http://stackoverflow.com/questions/102325/not-supported-platforms-for-java-awt-desktop-getdesktop

Bedwyr Humphreys 2010-03-01 18:09:28

Thanks for your help sfussenegger! You made what sounded a difficult problem (for me) sound trivial. Cheers.:)

Mike 2010-03-01 18:20:14

+1 for the voodoo

BalusC 2010-03-01 18:20:38

@Bedwyr I think the question you've linked says it all. I've updated the code to reflect this. It should work reliably for Windows though; All users of different OSs are certainly able to write a mail themselves ;)

sfussenegger 2010-03-01 18:22:33

@BalusC it's always good to have some other talents if coding doesn't suffice ;)

sfussenegger 2010-03-01 18:24:55

+1 for "mail is dead anyway" :D

Bedwyr Humphreys 2010-03-01 18:32:47

Luckily, there are voodoo practicers here where I live ;)

BalusC 2010-03-01 18:47:53

note to myself: "no downvotes for @BalusC - might know voodoo practicers"

sfussenegger 2010-03-01 19:00:44

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Java: Open default mail application and create new mail and populate To and Subject fields

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