> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Brian Agnew
> Sent: Friday, March 28, 2008 5:33 AM
> To: Karr, David
> Cc: xmltask-users@lists.sourceforge.net
> Subject: Re: [Xmltask-users] Add text to web-app/description
> if it's present
>
> Hi David -
>
> 1) I think the problem is that Ant properties are
> derived/expanded per task. That is, populating a property
> within XMLTask makes it available for use in another task,
> but not the current one. I'm not able to investigate further
> at the moment, but copying into your property in one XMLTask
> invocation then writing using another one appears to work. e.g.
>
> <xmltask source="web.xml">
> <copy path="..." property="..."/>
> <xmltask>
> <xmltask source="web.xml" dest="web-out.xml">
> <paste.../>
>
> etc. appears to work for the below.
Acknowledged. I had experimented with that, but I think I had something
else wrong at the time. I'll try that again.
> 2) Can you clarify your 'last child' comment below ? <paste>
> is a synonym for <insert> and does have some positional
> control (under/before/after).
> But I'm not sure that's your problem.
I'm not sure what else I can clarify. The xpath on my paste/insert is
"/*[local-name()='web-app']/.". I'm trying to insert the "description"
element as the first child of "web-app", but it inserts it as the last
child.
Perhaps if I can change the xpath to refer to the first element child of
"web-app", and then use 'position="before"' on the paste, but my first
attempt at this:
"/*[local-name()='web-app']/child::node()[1]/."
Resulted in an output file that was ONLY the xml directive, and nothing
else.
> 3) Can you clarify your 'trim' comment below ? Sounds like a
> possible feature if I'm interpreting you correctly.
I'm trying to have the result be "<description>text</description>". In
order to remove the extraneous newlines, I had to arrange it like this:
<replace if="existingDescription"
path="/*[local-name()='web-app']/*[local-name()='description']/text()"
expandProperties="true"
><![CDATA[${existingDescription} - ${label}:
${labelDesc}]]></replace>
Notice the ending ">" of the start tag next to the start of the CDATA,
and the end tag at the end of the line with the CDATA.
>
> nb. your XPaths may be simplified by using
>
> /:web-app/:description
>
> rather than the verbose but correct 'local-name()' syntax
> (caveat: not tried - just by inspection).
I'll try that. I think some people had tried that in other contexts and
it didn't work.
> Hope that's of use. Please let me know how you get on...
>
> Brian
>
> On Thu, March 27, 2008 23:56, Karr, David wrote:
> > It's been a while since I've xmltasked. I'm having some trouble
> > getting done what I need.
> >
> > I have some text in a couple properties (I'm hardcoding the
> values for
> > now) that I want to put into the "/web-app/description"
> element of a
> > web.xml file. If the element is already present, I want to add the
> > new text after " - ". If the element wasn't present, then
> create the
> > element with the new text.
> >
> > I have two current problems:
> >
> > If the "description" element was present already, it's supposed to
> > insert a value referencing the property containing the
> existing value.
> > Instead of the value of the property, it just inserts
> > "${existingDescription}". I tried printing out the property value
> > after the xmltask tag, and it appears to be fine.
> >
> > If the "description" element was NOT present, I insert the new
> > "description" element (using that weird trick just talked about for
> > turning off insertion of empty "xmlns" attributes), but it
> inserts it
> > as the last child of "web-app", not the first. I don't see
> a way to
> > do this cleanly.
> >
> > I also wish there was a cleaner way to "trim" the resulting output
> > (see what I had to do in the first "replace").
> >
> > Here's my current code:
> > ---------------------
> > <target name="install-label-info">
> > <taskdef name="xmltask"
> > classname="com.oopsconsultancy.xmltask.ant.XmlTask"
> > classpath="${file.reference.xmltask.jar}"/>
> > <property name="label" value="abc"/>
> > <property name="labelDesc" value="def"/>
> > <xmltask source="${build.web.dir}/WEB-INF/web.xml"
> > dest="${build.web.dir}/WEB-INF/web.xml" report="true">
> > <copy
> >
> path="/*[local-name()='web-app']/*[local-name()='description']/text()"
> > property="existingDescription"/>
> > <replace if="existingDescription"
> >
> path="/*[local-name()='web-app']/*[local-name()='description']/text()"
> > expandProperties="true"
> > ><![CDATA[${existingDescription} - ${label}:
> > ${labelDesc}]]></replace>
> > <paste unless="existingDescription"
> > path="/*[local-name()='web-app']/.">
> > <![CDATA[<description
> > xmlns="http://java.sun.com/xml/ns/j2ee";>${label}:
> > ${labelDesc}</description>]]>
> > </paste>
> > <copy
> >
> path="/*[local-name()='web-app']/*[local-name()='description']/text()"
> > property="newDescription"/>
> > </xmltask>
> > <echo
> message="existingDescription[${existingDescription}]"/>
> > <echo message="newDescription[${newDescription}]"/>
> > </target>
> > ---------------------
> >
> >
> >
> >
> >
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>
>
> --
> Brian Agnew http://www.oopsconsultancy.com
> OOPS Consultancy Ltd
> Tel: +44 (0)7720 397526
> Fax: +44 (0)20 8682 0012
>
>
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