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From Barbara Baughman <baugh...@utdallas.edu>
Subject RE: Getting no space after an ending directive
Date Fri, 06 Sep 2002 18:39:33 GMT
The null comment after #else/#end does work!

Thanks.

Barbara Baughman
X2157

On Fri, 6 Sep 2002, Charles N. Harvey III wrote:

> I don't think any language will let you do that really.  You are changing
> the directive word to #elsenull instead of #else.
> 
> Just off the top of my head though:
> 
> department=#if ($dept)$dept#else#**#null#end
> 
> 
> Throw a comment in between there to break it up.  Should give you any space.
> But I may be wrong.
> 
> 
> Charlie
> 
> -----Original Message-----
> From: Barbara Baughman [mailto:baughman@utdallas.edu]
> Sent: Friday, September 06, 2002 12:57 PM
> To: Velocity Users List
> Subject: Getting no space after an ending directive
> 
> 
> I was trying to output something after an #if statement that would not
> have a space, but it looks like Velocity will not recognize an #end or
> #else unless there is a space after it.
> 
> department=#if ($dept)$dept#elsenull#end
> 
> ctx.put("dept","something);
> 
> department=something#elsenull
> 
> I would like
> department=something
> 
> 
> If the value of $dept was not set, I would like the output
> department=null
> 
> Instead the output is
> department=
> 
> 
> This happens with velocity-1.3.1-rc2 and velocity-1.3-rc1, and I have
> no specially defined directive called #elsenull.  Is there any special way
> to delimit the end of #end or #else that makes this work the way I wish?
> 
> Thanks
> 
> Barbara Baughman
> X2157
> 
> On Fri, 6 Sep 2002, Cort Schaefer wrote:
> 
> > In the case that you proposed, you could also base it on whether you are
> on
> > the first element or not, ie:
> >
> > #foreach($o in $list)#if($velocityCount>1).#end$o#end
> >
> >
> >
> > -----Original Message-----
> > From: Jason Weinstein [mailto:JWeinstein@SeeBeyond.com]
> > Sent: Thursday, September 05, 2002 8:50 PM
> > To: 'Velocity Users List'
> > Subject: Is there a way to tell when iterating in #foreach if you have com
> e
> > to the last element.
> >
> > Is there a way to tell when iterating in #foreach if you have come to the
> > last element.
> >
> > Maybe the velocity team can plug in a
> > $hasNext = true|false
> > as it already maintains a loop $velocityCount variable.
> >
> > Use (Java code):
> >
> > System.out.println(evaluate("#foreach ($obj in
> > ${this.breadthFirstEnumeration()})${obj.userObject}.#end", root)));
> >
> > Note in this case root is javax.swing.tree.DefaultMutableTreeNode
> >
> > Want to plug in #if($hasNext).#end
> >
> > I want to be able to delimit the list with a '.'
> >
> > Printing something like "root.a.b.c" instead of "root.a.b.c."
> >
> > Code (Java code):
> >
> > Generic toString method (applys Object to template)
> >
> > Thinking useful for testcases where you assert things based on internal
> > values. Such as construct tree and assert
> evaluate(...).equals("root.a.b.c")
> >
> > public static String evaluate(String template, Object obj) {
> >     String retval = null;
> >     try {
> >         Velocity.init();
> >         VelocityContext context = new VelocityContext();
> >         context.put("this", obj);
> >         StringWriter out = new StringWriter();
> >         boolean bRet = Velocity.evaluate(context, out, "test", template);
> >         if (bRet) {
> >             retval = out.toString();
> >         }
> >         else {
> >             retval = (obj == null) ? null: obj.toString();
> >         }
> >     }
> >     catch (Exception e) {
> >         e.printStackTrace();
> >     }
> >     return retval;
> > }
> >
> > This seems like an easy feature to add can someone forward this request to
> > the right place. Thanks
> >
> > --
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> 
> 
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