No one?
On Mar 25, 11:32 am, StrongSteve <swe.sta...@gmail.com> wrote:
> Hello,
>
> I experience the following - from my point of view unexplainable -
> behaviour when using the GWT NumberFormat
> (com.google.gwt.i18n.client.NumberFormat). I am using GWT 2.0.3,
> Eclipse Ganymed and IE8/FF3.6.
>
> Within my client package I have a static helper class which contains
> the following method:
>
> <code>
>
> public class Utils {
> ...
> public static final NumberFormat DOUBLE2_FORMAT =
> NumberFormat.getFormat("##########.00");
> ...
>
> public String formatDouble2(double d) {
> return DOUBLE2_FORMAT.format(d);
> }
>
> ...
>
> }
>
> </code>
>
> Using the code above I get a javascript error when using the
> formatDouble2 method. Compiling the GWT code in a "detailed" way and
> the javascript error message is something like
> com...i18n.client.positivePrefix is null or not an object. The GUI
> gets stuck and the application is no longer usable.
>
> So how did I solve it?
> During debug instrumentalization I found two ways. Unfortunately I can
> not explain either of them - so I was hoping someone can explain me
> why it works! ;)
>
> Adding a Window.alert(...) into the formatDouble2 and everything works
> fine. Why!?
>
> <code>
>
> public class Utils {
> ...
> public static final NumberFormat DOUBLE2_FORMAT =
> NumberFormat.getFormat("##########.00");
> ...
>
> public String formatDouble2(double d) {
> Window.alert("Utils: inside formatDouble2 d=" +d);
> return DOUBLE2_FORMAT.format(d);
> }
>
> ...
>
> }
>
> </code>
>
> The solution I am currently using is to only use pattern itself as a
> static member and create the NumerFormat within the method. This works
> too.
>
> <code>
>
> public class Utils {
> ...
> public static final String DOUBLE2_FORMAT_PATTERN = "##########.00";
> ...
>
> public String formatDouble2(double d) {
> return NumberFormat.getFormat(DOUBLE2_FORMAT_PATTERN).format(d);
> }
>
> ...
>
> }
>
> </code>
>
> BTW, changing the public static to private static did not work either.
>
> Thanks in Advance for your help!
> Stefan
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