I've added a jira issue for OGNL ....I think - but am not sure - that
this should be properly evaluated normally...So, it could be a bug.
You can probably do one of the following:
-) Create a simple inner class def of your IPropertySelectionModel
using an int[] .
-) Wait for me to fix it in OGNL.
-) Replace your "(index % tableSize) == 0" with a method equivalent
that you implement on your page / component so that it turns in to
"ognl:odd" (as in public boolean isOdd(){ return getIndex() %
getTableSize() == 0; }
I'd go for the third option if it were me. Thanks for shortening
down your question for me, I usually have an unofficial automatic
email content limit that makes me skip over them if they are too long
to read easily in a few seconds.
On 10/12/07, Ken nashua <[EMAIL PROTECTED]> wrote:
>
> I am trying to operate a PropertySelection that uses an array of strings but
> their content are numbers.
>
> private static final String[] tableSizeOptions = new String[] {
> "1", "2", "3"
> };
>
> I am assuming OGNL is smart enough to coerce these during render cycle on IF
> conditions that attempt to perform arithmetic.
>
> NOT the case... see stack trace below.
>
> Do I need to implement an IntegerPropertySelectionModel for this to operate
> properly?
>
> Best regards
> Ken in nashua
>
> 2007-10-12 15:01:00,575 [btpool0-2] ERROR
> org.apache.tapestry.services.impl.HiveMindExpressionCompiler - Error
> generating OGNL getter for expression (index % tableSize) == 0 with root
> [EMAIL PROTECTED]/galleryWidget] and body:
> { return ($w) ((ognl.OgnlOps.equal( ($w) ((($Gallery_17)$2).getIndex() %
> (($Gallery_17)$2).getTableSize() ), ($w) 0)));}
> org.apache.hivemind.ApplicationRuntimeException: Unable to add method
> java.lang.Object get(ognl.OgnlContext, java.lang.Object) to class
> $ASTEq_1159596f3b2: [source error] invalid types for %
> at
> org.apache.tapestry.enhance.ClassFabImpl.addMethod(ClassFabImpl.java:278)
> at
> org.apache.tapestry.services.impl.HiveMindExpressionCompiler.compileExpression(HiveMindExpressionCompiler.java:176)
> at ognl.OgnlRuntime.compileExpression(OgnlRuntime.java:523)
>
>
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--
Jesse Kuhnert
Tapestry/Dojo team member/developer
Open source based consulting work centered around
dojo/tapestry/tacos/hivemind. http://blog.opencomponentry.com
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