[brailleblaster] Re: Catching exceptions that occur anywhere: was Re: Re: Braille Fonts
- From: "John J. Boyer" <john.boyer@xxxxxxxxxxxxxxxxx>
- To: brailleblaster@xxxxxxxxxxxxx
- Date: Fri, 25 Jan 2013 13:47:37 -0600
True in this case. The try and catch blocks in the main method would be
for truly "exceptional" cases.
John
On Fri, Jan 25, 2013 at 02:14:08PM -0500, Brandon Roller wrote:
> The reason the dialog pops up as opposed to a log statement may be that
> an exception is not occurring. The notification occurs most likely occurs
> in the following
> line of code:
> if (!shell.getDisplay().loadFont(fontPath)) {
> new Notify(lh.localValue("fontNotLoadedBraille"));
> }
>
> Display's load font returns true or false if the font loads.
>
>
>
>
> On Fri, Jan 25, 2013 at 2:04 PM, Keith Creasy <kcreasy@xxxxxxx> wrote:
>
> > You probably don't want to pop up a dialog for every exception. Some
> > exceptions can be recovered from with no ill effects to the user. In such
> > cases a pop-up dialog would be very annoying.
> >
> > There should however be a way to log exceptions so that it is possible to
> > diagnose them.
> >
> >
> > Keith Creasy
> > Software Developer
> > American Printing House for the Blind
> > KCreasy@xxxxxxx
> > Phone: 502.895.2405
> > Skype: keith537
> >
> >
> > -----Original Message-----
> > From: brailleblaster-bounce@xxxxxxxxxxxxx [mailto:
> > brailleblaster-bounce@xxxxxxxxxxxxx] On Behalf Of John J. Boyer
> > Sent: Friday, January 25, 2013 1:59 PM
> > To: brailleblaster@xxxxxxxxxxxxx
> > Subject: [brailleblaster] Catching exceptions that occur anywhere: was Re:
> > Re: Braille Fonts
> >
> > This is a start. Are you saying that a try block and a catch for the Class
> > Exception in main will catch any exception in the program? All I want the
> > dialog box to do is print the exception message and maybe tell where to
> > contact the developers. When the OK button is pressed, then BrailleBlaster
> > should terminate.
> >
> > John
> >
> > On Fri, Jan 25, 2013 at 05:16:45PM +0000, Michael Whapples wrote:
> > > Short answer yes.
> > >
> > > Longer answer is depends how much work you want to spend on it.
> > >
> > > Simply put, have a try/catch block catching all exceptions/errors
> > > (exercise: find the class all exceptions and errors inherit from) at
> > > the appropriate level (may be even in public static void main,
> > > although you may find recovering from there is difficult) and have
> > > code within the catch block which gets the exception information and
> > > puts it inside a message box and does what it can to recover if possible.
> > >
> > > Michael Whapples
> > > On 25/01/2013 15:56, John J. Boyer wrote:
> > > >Hi Brandon,
> > > >What class is this dialog in? I'll have a look at BBIni . When I get
> > > >this dialog BrailleBlaster terminates.
> > > >
> > > >Is there a way to make the program pop up a dialog box when an
> > > >exception occurs instead of just quitting?
> > > >
> > > >Thanks,
> > > >John
> > > >
> > > >On Fri, Jan 25, 2013 at 09:48:32AM -0500, Brandon Roller wrote:
> > > >>John,
> > > >>I have seen that dialog too.
> > > >>I think there are bugs in the BBIni.java file and how it finds a
> > > >>path to the BB directory.
> > > >>So the braille fonts are there, it's just that the correct path was
> > > >>not established on initialization.
> > > >>
> > > >>
> > > >>-Brandon
> > > >>
> > > >>
> > > >>On Fri, Jan 25, 2013 at 9:42 AM, Vic Beckley
> > > >><vic.beckley3@xxxxxxxxx>
> > > >>wrote:
> > > >>
> > > >>>John,
> > > >>>
> > > >>>Strange. I'm not getting this. I am also running from the latest
> > > >>>repository.
> > > >>>
> > > >>>
> > > >>>-----Original Message-----
> > > >>>From: brailleblaster-bounce@xxxxxxxxxxxxx
> > > >>>[mailto:brailleblaster-bounce@xxxxxxxxxxxxx] On Behalf Of John J.
> > > >>>Boyer
> > > >>>Sent: Friday, January 25, 2013 8:59 AM
> > > >>>To: brailleblaster@xxxxxxxxxxxxx
> > > >>>Subject: [brailleblaster] Braille Fonts
> > > >>>
> > > >>>I have just updated to the latest newdesign repository. When I run
> > > >>>BrailleBlaster to debug the crash I get a dialog saying that the
> > > >>>Braille font cannot be found. Whatever font this is, it should be
> > > >>>in the fonts directory in the repository, since it won't change.
> > > >>>
> > > >>>I see from the liblouis list that there is a font to display dot
> > > >>>patterns for Unicode Braille. Do we have this? If not, it should
> > > >>>also be in the fonts directory.
> > > >>>
> > > >>>Thanks,
> > > >>>John
> > > >>>
> > > >>>--
> > > >>>John J. Boyer; President, Chief Software Developer Abilitiessoft,
> > > >>>Inc.
> > > >>>http://www.abilitiessoft.com
> > > >>>Madison, Wisconsin USA
> > > >>>Developing software for people with disabilities
> > > >>>
> > > >>>
> > > >>>
> > > >>>
> > >
> >
> > --
> > John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc.
> > http://www.abilitiessoft.com
> > Madison, Wisconsin USA
> > Developing software for people with disabilities
> >
> >
> >
> >
--
John J. Boyer; President, Chief Software Developer
Abilitiessoft, Inc.
http://www.abilitiessoft.com
Madison, Wisconsin USA
Developing software for people with disabilities
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