Re: [Xmltask-users] Conditional insert based on xpath

[Brian A. <br...@oo...>]

> I'm not sure the below is a *small* example :-) (I have to keep 
> chopping the below to stop Sourceforge mailer's complaining). I would 
> cut it down and try to determine which particular expression is 
> causing you grief. I've just extracted your (count) XPath and ran a 
> quick test and I think that looks good.
>
> Note that if you're using xmltask to simply populate a property, you 
> can simply specify a source file. You don't need a destination file 
> (XMLTask will write out the same doc as it loaded in, which is a bit 
> excessive)
>
> On 14/08/2009 12:07, Adithya V.S.S wrote:
>> Hi brian,
>>
>> it fails while parsing the count ...xml task
>>
>> i am pasting a small example here --
>>
>> My build.xml file
>> -------------------------------
>> <?xml version="1.0"?>
>> <project name="java.net <http://java.net>" default="main" basedir=".">
>> <taskdef name="xmltask" 
>> classname="com.oopsconsultancy.xmltask.ant.XmlTask"/>
>> <taskdef name="if" classname="ise.antelope.tasks.IfTask"/>
>> <!-- run all examples -->
>> <target name="main" depends="testprg,repeattask"/>
>> <property name="weblogic.home.cfgfile" value="C:/test1.xml" />
>> <!-- a calling example -->
>> <target name="testprg">
>> <xmltask source="build-configuration.xml">
>> <call path="/categoryset/category" target="compile-and-release">
>> <param name="name" path="testname/text()"/>
>> <param name="appender1" path="appender[1]/text()"/>
>> <param name="appender2" path="appender[2]/text()"/>
>> <param name="appender3" path="appender[3]/text()"/>
>> </call>
>> </xmltask>
>> </target>
>> <!-- the build target for ex12 -->
>> <target name="compile-and-release">
>> <echo>Building ${name}</echo>
>> <xmltask source="${weblogic.home.cfgfile}" 
>> dest="${weblogic.home.cfgfile}" failWithoutMatch="true">
>> <insert path="/log4j:configuration/root" position="after">
>> <![CDATA[ <category name="${name}">
>> <priority value="debug" />
>> <appender-ref ref="${appender1}" />
>> <appender-ref ref="${appender2}" />
>> <appender-ref ref="${appender3}" />
>> </category> ]]>
>> </insert>
>> </xmltask>
>> </target>
>> <target name="repeattask">
>> <xmltask source="${weblogic.home.cfgfile}" 
>> dest="${weblogic.home.cfgfile}" failWithoutMatch="true">
>> <copy path="count(/log4j:configuration/category/[@name='Category3'])" 
>> property="count"/>
>> </xmltask>
>> <echo>Building ${count}</echo>
>> <if name="count" value="0">
>> <antcall target="doUnitTests"/>
>> <else>
>> <echo>this won't happen</echo>
>> </else>
>> </if>
>> </target>
>> <target name="doUnitTests">
>> <xmltask source="${weblogic.home.cfgfile}" 
>> dest="${weblogic.home.cfgfile}" failWithoutMatch="true">
>> <insert  path="/log4j:configuration/root" position="after" >
>> <![CDATA[ <category name="com.bea.wli.event">
>> <priority value="debug" />
>> <appender-ref ref="RDBMS_EG_LOGFILE_DEBUG"/>
>> </category> ]]>
>> </insert>
>> </xmltask>
>> </target>
>> </project>
>> ------------------------
>>
>> My build-configuration file
>> -------------------------
>> <?xml version="1.0"?>
>> <categoryset>
>> <category testname="testing">
>> <testname>Category1</testname>
>> <appender>development</appender>
>> <appender>systemtest</appender>
>> <appender>production</appender>
>> </category>
>> <category testname="test">
>> <testname>Category2</testname>
>> <appender>DEV</appender>
>> <appender>TEST</appender>
>> <appender>PROD</appender>
>> </category>
>> </categoryset>
>> -------------------------------
>>
>> my test1.xml
>> ---------------------
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" 
>> debug="null" threshold="null">
>> <root>
>> <priority value="fatal"/>
>> </root>
>>
>> <category name="com.bea.wli.event">
>> <priority value="debug"/>
>> <appender-ref ref="RDBMS_EG_LOGFILE_DEBUG"/>
>> </category>
>> <category name="Category3">
>> <priority value="debug"/>
>> <appender-ref ref="UAT"/>
>> <appender-ref ref="${appender2}"/>
>> <appender-ref ref="${appender3}"/>
>> </category>
>> <category name="Category2">
>> <priority value="debug"/>
>> <appender-ref ref="DEV"/>
>> <appender-ref ref="TEST"/>
>> <appender-ref ref="PROD"/>
>> </category>
>> <category name="Category1">
>> <priority value="debug"/>
>> <appender-ref ref="development"/>
>> <appender-ref ref="systemtest"/>
>> <appender-ref ref="production"/>
>> </category>
>>
>>
>> </log4j:configuration>
>> ------------------------------------
>>
>> Is this syntax wrong ?
>>
>> <copy path="count(/log4j:configuration/category/[@name='Category3'])" 
>> property="count"/>
>> as used above...
>>
>>
>> error is -
>> -------------------
>> repeattask:
>> *[xmltask] javax.xml.transform.TransformerException: A location step 
>> was expected following the '/' or '//' token.*
>>   [xmltask]     at 
>> com.sun.org.apache.xpath.internal.compiler.XPathParser.error(XPathParser.java:602)
>>   [xmltask]     at 
>> com.sun.org.apache.xpath.internal.compiler.XPathParser.RelativeLocationPath(XPathParser.java:1579)
>>
>> Thanks.
>> adi
>>
>>

-- 
Brian Agnew                  http://www.oopsconsultancy.com
OOPS Consultancy Ltd
Tel: +44 (0)7720 397526
Fax: +44 (0)20 8682 0012