That's about what I thought, thanks. This particular bit of pain isn't large enough to merit a generator or annotation processor, and goes away w/ Java 8 anyway, so I'll just put up with it for now. :)
On Tuesday, December 1, 2015 at 1:31:46 AM UTC-8, Thomas Broyer wrote: > > It is effectively not possible to use reflection in GWT (well, not > entirely true, some people have made libraries to make it somehow > possible); see notes in > http://www.gwtproject.org/doc/latest/DevGuideCodingBasicsCompatibility.html > and > http://www.gwtproject.org/doc/latest/DevGuideCodingBasicsDeferred.html#benefits > > (returned by a search on "reflection" in the website). > Note however that GWT Generators are likely to go away in the so-called > "GWT 3.0" and you're invited to use annotation processors instead. In any > case, the idea is the same: to cut down on boilerplate, have it generated > for you rather than relying on reflection; in other words, do your > meta-programming at compilation-time rather than at runtime. > > On Tuesday, December 1, 2015 at 10:25:23 AM UTC+1, Jonathan Fischer wrote: >> >> Basically, I want to cut down on a bunch of boilerplate code (needing to >> check if a list of boolean fields are true/false across a collection of >> objects). In normal Java, I can use Class.getDeclaredField and >> Field.getBoolean to do that, something like: >> >> >> public static boolean allTrue(Class<? extends Object> cls, List<? extends >> Object> things, String fieldName) { >> try { >> Field field = cls.getDeclaredField(fieldName); >> boolean val = true; >> for (Object o : things) { >> val = val && field.getBoolean(o); >> } >> >> return val; >> } catch (Exception e) { >> return false; >> } >> } >> >> >> I don't see any way to accomplish the same thing in GWT code, at least >> not in the GWT site >> <http://www.gwtproject.org/doc/latest/RefJreEmulation.html>. Is this >> just not an option under GWT? >> > -- You received this message because you are subscribed to the Google Groups "GWT Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
