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To: commons-user@jakarta.apache.org
From: Peter Nabbefeld <Peter.Nabbefeld@gmx.de>
Subject: Re: [Jelly/Jexl] How to add two int values?
Date: Sun, 01 Aug 2004 15:40:53 +0200
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Dion Gillard schrieb:

> This works for me:
> 
>   result is '${1 + 2}'
>   <set var="x" value="3"/>
>   <set var="y" value="4"/>
>   result is '${x + y}'
> 
> Can you simplify your example?
> 
Thank You!

Your example worked for me, too, so I can now look, why the other 
doesn't work. Most important for me, that I've an example for the 
correct syntax, and now I know it *must* work - I've a better chance to 
fix it now.

Thank You for Your help!

Peter



> On Sun, 01 Aug 2004 15:13:10 +0200, Peter Nabbefeld
> <peter.nabbefeld@gmx.de> wrote:
> 
>>I've asked to add two int values. Here's some of the code (I've tried
>>different versions - without success):
>>
>><j:forEach var="line" items="${pluginIncludeTags}">
>>   <echo>line = ${line}</echo>
>>   <j:set var="_cpos" value="${line.indexOf(':')}"/>
>>   <!-- j:invokeStatic var="_cpos" className="java.lang.Integer"
>>method="parseInt">
>>     <j:arg type="java.lang.String" value="${line.indexOf(':')}"/>
>>   </j:invokeStatic -->
>>   <!-- j:set var="_pos"
>>value="${java.lang.Integer.parseInt(line.substring(0, _cpos))}"/ -->
>>   <j:invokeStatic var="_pos" className="java.lang.Integer"
>>method="parseInt">
>>     <j:arg type="java.lang.String" value="${line.substring(0, _cpos)}"/>
>>   </j:invokeStatic>
>>   <j:set var="_lineDir" value="${line.substring(_cpos, _cpos + _pos)}"/>
>>   <!-- j:invoke var="_lineDir" method="substring" on="${line}">
>>     <j:arg type="int" value="${_cpos)}"/>
>>     <j:arg type="int"><j:expr value="_cpos + _pos"/></j:arg>
>>   </j:invoke -->
>>
>>Peter
>>
>>Dion Gillard schrieb:
>>
>>
>>
>>
>>>What types are x and y?
>>>
>>>On Sun, 01 Aug 2004 14:27:08 +0200, Peter Nabbefeld
>>><peter.nabbefeld@gmx.de> wrote:
>>>
>>>
>>>>Hi,
>>>>
>>>>I'm trying to write a Jelly script for Maven. I've tried "${x + y}" and
>>>>"${x} + ${y}" as the value argument, both don't work for me. I don't
>>>>know, if this is a problem with the archaic versions, Maven uses (e.g.
>>>>ant 1.5.3), or if it is a problem with Jelly/Jexl. If it is a solved
>>>>problem, please give me the right syntax, so I can file a bug for Maven.
>>>>
>>>>Kind regards
>>>>
>>>>Peter Nabbefeld
>>>>
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>>>
>>>
>>>
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>>
> 
> 
> 


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