[groovy-user] shiro-groovy documentation

Hi,

where can I find shiro-groovy's documentation? Thanks,

Angelo

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RE: [groovy-user] shiro-groovy documentation

RE: [groovy-user] shiro-groovy documentation

[groovy-user] open gets message "desktop api not supported"

I am running grails 2.0.0 on xubuntu.  The open command is getting the
following message:

grails> open application.properties
| Error Could not open file application.properties: Desktop API is not
supported on the current platform

Suggestions?

--glenn

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Re: [groovy-user] open gets message "desktop api not supported"

I recall solving a similar issue a few years ago :

Java Desktop API is said to work on "Gnome" (so, no KDE, no Xfce...) ; I found out that I only needed (at the time) to install the "gnome-vfs" package.

Warning 1 : this is old ; maybe gnome-vfs no longer exists on your platform

Warning 2 : if it works, I'm not sure it will use your actual desktop bindings (e.g. "Open *.properties with FoobarEdit"), it will probably use some gnome defaults.

Your mileage may vary, yadda yadda. Hope you get better help

Happy new year to all Groovy users.

On Sun, Jan 1, 2012 at 4:18 PM, glenn opdycke-hansen <glennoph-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

I am running grails 2.0.0 on xubuntu.  The open command is getting the
following message:

grails> open application.properties
| Error Could not open file application.properties: Desktop API is not
supported on the current platform

Suggestions?

--glenn

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[groovy-user] Class.newInstance() not failing for one (untyped) argument constructors

Re: [groovy-user] Class.newInstance() not failing for one (untyped) argument constructors

Am 02.01.2012 11:19, schrieb Wujek Srujek:
> Hi. I am trying to create an instance of a class that has a default
> constructor. I also would like that the newInstance method throws an
> exception when there is no default constructor. This doesn't happen
> always, see the following code:
>
> class Foo {
>      def Foo(a) {
>          println '>>> ' + a
>      }
> }
>
> Foo.class.newInstance()
>
> it prints '>>> null', which is incorrect behavior in this case. If I add
> a type to the argument, like int or String, it fails correctly, _unless_
> the type is List or Map - in which case I get '>>> null' again.

that it fails for String is strange... that should not be the case actually

> I am not
> sure what causes this, maybe a method from DefaultGroovyMethods? This of
> course works no matter what the type is for constructors that take more
> than 1 argument.
>
> The questions are:
> 1. Is this expected behavior? This seems like a really nasty corner case.
> 2. How can I invoke the 'real' newInstance method, that fails if there
> is no default costructor?

there is a newInstance method in DGM overriding the reflection method, 
yes. This is to mirror the method call behaviour - which also uses null 
for single argument methods without a given argument. Though I have this 
one on my list of things to remove in the new MOP, because I think it is 
a quite nasty and confusing ability.

If you want to use the "real" reflection method, you will have to call a 
Java method that does it for you I'm afraid - in the worst case it means 
you have to write a small helper in java.

bye blackdrag

--

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Jochen "blackdrag" Theodorou - Groovy Project Tech Lead
blog: http://blackdragsview.blogspot.com/
german groovy discussion newsgroup: de.comp.lang.misc
For Groovy programming sources visit http://groovy-lang.org

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Re: [groovy-user] Class.newInstance() not failing for one (untyped) argument constructors

Re: [groovy-user] Class.newInstance() not failing for one (untyped) argument constructors

Am 02.01.2012 12:44, schrieb Wujek Srujek:
> Hi. Yes, you are right, it doesn't fail for Strings ;d Could you explain
> why? What are the other types it doesn't fail for?

it should fail only for primitives since we don't convert null to for 
example int 0 if an int is required. And that failing is then expected

bye blackdrag

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-- 
Jochen "blackdrag" Theodorou - Groovy Project Tech Lead
blog: http://blackdragsview.blogspot.com/
german groovy discussion newsgroup: de.comp.lang.misc
For Groovy programming sources visit http://groovy-lang.org

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[groovy-user] Newbie needs help with parsing log files

In Groovy I need to read in a file that looks like the file posted below. 
What I need to do is to parse some of the lower lines and assign variable
values to the integer that is found.   The file is not always the same -
occasionally it has other values at the top.  From what I have read this
should be trivially easy in Groovy using something like eachLine but I can't
figure it out.

Here is what I need help with - near the bottom of the file there are lines
that show:
Average volume:                  9
Average brightness:              0

How would I parse this and use Groovy to assign the value of 9 (or whatever
is found on this line) to an Integer variable called AvgVolume and a value
of 0 to a variable called AvgBright?

Thanks for helping!

File starts here:-----------------------------------------------------
Time at start of run:
Mon Jan 02 16:57:03 2012
################################################################

Detection Methods to be used:
	1) Black Frame
	2) Logo - Give up after 2000 seconds
	3) Resolution Change
	4) Aspect Ratio

ComSkip throttles back from -0001 to -0001.
The time is now 1657 so it's full speed ahead!
Video PTS jumped 3 frames at frame 2, repairing timeline
Audio PTS jumped 1 frames at frame 79, repairing timeline

Not enough or too much logo's found (0.00), disabling the use of Logo
detection
Distribution of Black Frame   cutting:   1 positive and   0 negative, ratio
is 9.9900
Confidence of Black Frame   cutting:   0 out of   0 are strict, too low
Distribution of Scene Change  cutting:   0 positive and   0 negative, ratio
is 9.9900
Confidence of Scene Change  cutting:   0 out of   0 are strict, too low
Distribution of Uniform Frame cutting:   0 positive and   0 negative, ratio
is 9.9900
Confidence of Uniform Frame cutting:   0 out of   0 are strict, too low
Threshold used - 1.0500	After rounding - 1.0500
No change

Logo fraction:              0.0000      Logo disabled
Maximum volume found:           21
Average volume:                  9
Sound threshold:               500
Silence threshold:             100
Minimum volume found:            0
Average frames with silence:     0
Black threshold:                25
Minimum brightness found:        8
Minimum bright pixels found:     0
Minimum dim level found:         0
Average brightness:              0
Uniformity level:              500
Average non uniformity:          0
Maximum gap between logo's:     -1
Suggested logo_threshold:   0.7750
Suggested shrink_logo:	         0
Max commercial size found:      -1
Dominant aspect ratio:      0.0000
Score threshold:            1.0500
Framerate:                  29.97
Total commercial length:    0:00:00.00
Block list after weighing
----------------------------------------------------
  #     sbf  bs  be     fs     fe    sc      len   scr cmb   ar                  
cut bri  logo   vol  sil corr stdev        cc
  0:-  19438   0 19438      1  38878   0.00 1297.196  0.17   0 0.00          
E         b     00 0.00    90  00  0.000     0          

38878 Frames Processed
################################################################
Time at end of run:
Mon Jan 02 16:58:40 2012
################################################################

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