Re: [equinox-dev] some issues in creatingfilters

[BJ Hargrave <hargrave@xxxxxxxxxx>]

If the filter string is invalid, createFilter
will throw an InvalidSyntaxException.

If that does not happen, then the filter
string is fine.

From the code snippet, I don't know
what the value of the mode variable is. What you should do is print out
filter.toString() and see what the final filter is.

We also can't see what Dictionary or
ServiceReference you are attempting to match against the filter against.
So it is possible the nothing matches your filter.

Finally, I think the argument to the
services console command must be a valid filter string. "-l bundleId"
is not a valid filter string which is why you get an exception.
--

BJ Hargrave Senior Technical Staff Member, IBM OSGi Fellow and CTO of the OSGi Alliance hargrave@xxxxxxxxxx

office: +1 386 848 1781 mobile: +1 386 848 3788

From:	prof_trg <prof.target@xxxxxxxxx>
To:	equinox-dev@xxxxxxxxxxx
Date:	2009/11/15 07:30
Subject:	[equinox-dev] some issues in creatingfilters
Sent by:	equinox-dev-bounces@xxxxxxxxxxx

---

Hello,
I have some issues in creatingfilters..
in fact, only simple filters are accepted like : 
 filter = context.createFilter("(" + Constants.OBJECTCLASS +
"=" +
IMyInterface.class.getName() + ")");
                
                 
however, the filter has filtered nothing if the syntax is like the
following,  :
 filter = context.createFilter("(&(" + Constants.OBJECTCLASS
+ "=" +
IMyInterface.class.getName() + ")" +
                
                 
               
                 "("
+ mode + "=" +  true+ "))");
when I taped the command "services -l bundleID" , an exception
occured;
error in character 1 "("...
So w*how can I validate the syntax of filters..and what is the origin of
the
exception in your opinion (the previous syntax seems correct..)

Regards
-- 
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