Monday, July 20, 2015

Re: @GwtUnreachable annotation

Why does @GwtIncompatible doesn't work for you? The result is the same as your proposed @GwtUnreachable annotation.

You might need to refactor your code a bit if GWT complains about imports used by downloadJre() but that would probably be the same case for @GwtUnreachable. I used @GwtIncompatible once to avoid super-source and it did the job just fine (used it for some shared number format class).

Also instead of super sourcing no-op implementations for everything that downloadJre() uses (but GWT does not support), you should super source the whole download() method. Basically you implement the download() method once for a JRE environment and then provide a super sourced version of download() that works in the browser with GWT. Because your download() method is probably in a larger class you should refactor it out into its own class so you only need to super source as less code as possible.

-- J.

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