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From: "Bill Keese" <billk@tech.beacon-it.co.jp>
To: "Jakarta Commons Developers List" <commons-dev@jakarta.apache.org>
References: <20030522222534.23729.qmail@icarus.apache.org>
Subject: [jelly] cvs commit:
 jakarta-commons/jelly/src/java/org/apache/commons/jelly/impl DynamicTag.java
Date: Fri, 23 May 2003 09:14:10 +0900
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Bob,

This checkin looks interesting but I'm not sure I understand it.  Can I use
it to iterate over the arguments to a user defined tag, like C's varargs?
Something like this?

<define:tag  name="myVarArgsTag">
   <core:forEach var="arg" items="${attrs}">
        <x>argument is ${arg.getKey()} is ${arg.getValue()}</x>
   </core:forEach>
</define:tag>

Or is it something different?  By the way, if I wrote some documentation
about variable handling in jelly, is there a way to add it to the website?

Bill

----- Original Message ----- 
From: <werken@apache.org>
To: <jakarta-commons-cvs@apache.org>
Sent: Friday, May 23, 2003 7:25 AM
Subject: cvs commit:
jakarta-commons/jelly/src/java/org/apache/commons/jelly/impl DynamicTag.java


> werken      2003/05/22 15:25:33
>
>   Modified:    jelly/src/java/org/apache/commons/jelly/impl
DynamicTag.java
>   Log:
>   Exposing dynamic tag attributes Map as ${attrs}
>
>   Revision  Changes    Path
>   1.7       +12 -0
jakarta-commons/jelly/src/java/org/apache/commons/jelly/impl/DynamicTag.java
>
>   Index: DynamicTag.java
>   ===================================================================
>   RCS file:
/home/cvs/jakarta-commons/jelly/src/java/org/apache/commons/jelly/impl/Dynam
icTag.java,v
>   retrieving revision 1.6
>   retrieving revision 1.7
>   diff -u -r1.6 -r1.7
>   --- DynamicTag.java 10 Mar 2003 13:00:51 -0000 1.6
>   +++ DynamicTag.java 22 May 2003 22:25:33 -0000 1.7
>   @@ -63,6 +63,7 @@
>
>    import java.util.HashMap;
>    import java.util.Map;
>   +import java.util.Iterator;
>
>    import org.apache.commons.jelly.DynaTagSupport;
>    import org.apache.commons.jelly.JellyContext;
>   @@ -110,6 +111,17 @@
>
>            // create new context based on current attributes
>            JellyContext newJellyContext =
context.newJellyContext(attributes);
>   +        Map attrMap = new HashMap();
>   +        for ( Iterator keyIter = this.attributes.keySet().iterator();
>   +              keyIter.hasNext();) {
>   +            String key = (String) keyIter.next();
>   +            if ( key.endsWith( "Attr" ) ) {
>   +                Object value = this.attributes.get( key );
>   +                attrMap.put( key, value );
>   +                attrMap.put( key.substring( 0, key.length()-4 ),
value );
>   +            }
>   +        }
>   +        newJellyContext.setVariable( "attrs", attrMap );
>            getTemplate().run(newJellyContext, output);
>        }
>
>
>
>
>
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