I'm still spinning my wheels on this -- does anyone have any ideas?
Quick synopsis: I have localized i18n messages defined in my tiles
definitions which are sometimes empty. I need to test that the value
associated with a given key is not empty before I proceed with further
processing. I can test that the key is non-empty, but I haven't yet
figured out how to test the same thing for the value. If anyone could
help, I'd really appreciate it.
Thanks!
Chris
-----Original Message-----
From: Chris Loschen
Sent: Wednesday, June 08, 2005 1:12 PM
To: Struts Users Mailing List
Subject: Test whether an application resource is empty
Hi all,
I'm using struts 1.1.
I have localized application resources keys defined in my tiles
definition file. In my JSP, I use the tiles attribute and then display
the localized message using the key.
However, in some cases, the localized value is empty: there is no value
for that particular locale or that particular instance. In those cases,
I want to avoid writing out the key at all, but I'm having trouble
figuring out how to make that test.
Specifically, I have tiles defs like this:
<definition name=".manageHierarchy.billing.details"
extends=".template.manageHierarchy.billing">
<put name="directionToUser"
value="tiles.module.admin.manageHierarchy.billing.details.directionToUse
r"/>
Etc.
</definition>
And the localized values are something like
tiles.main.admin.manageHierarchy.businessStruc.add.directionToUser=
(so no value for that key).
In my JSP, I've tried several ways to test whether the key value is null
or the length is 0, but none of them have worked yet. For example:
<tiles:useAttribute id="directionToUser" name="directionToUser"
classname="java.lang.String" ignore="true"/> <% if(directionToUser !=
null && directionToUser.length()>0){ %>
<div class="modFormBox"><bean:message
key="<%=directionToUser.toString()%>"/></div>
<%
}%>
Problem here is that directionToUser is the key, not the value, so it's
never null, and I get the empty div tags I'm trying to avoid. So I tried
variations like this:
<tiles:useAttribute name="directionToUser"
classname="java.lang.String"/>
<bean:define id="directionToUserString">
<bean:message name="directionToUser"/>
</bean:define>
<logic:notEmpty name="directionToUserString">
<div class="modFormBox"><bean:write
name="directionToUserString"/></div>
</logic:notEmpty>
That one returned "Define tag can contain only one of name attribute,
value attribute, or body content". I've tried lots of variations similar
to that, but haven't struck upon the right one yet. This SEEMS like
something which should be pretty simple, but I'm missing something. Any
suggestions? Thanks!
Chris Loschen
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Visit www.siebel.com
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contact the sender by reply e-mail and destroy all soft and hard copies
of the message and any attachments. Thank you for your cooperation.
_______________
Siebel
IT'S ALL ABOUT THE CUSTOMER
Visit www.siebel.com
This e-mail message is for the sole use of the intended recipient(s) and
contains confidential and/or privileged information belonging to Siebel
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