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List: xmlbeans-dev
Subject: RE: XPath problem in XMLBeans Urgent
From: "Yana Kadiyska" <ykadiysk () bea ! com>
Date: 2004-11-24 18:46:09
Message-ID: 4B2B4C417991364996F035E1EE39E2E1023C0E1C () uskiex01 ! amer ! bea ! com
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Hi, namespaces are not well-supported in the current jaxen hookup. You
can search the mailing lists-I think the user mailing list in
particular-people have posted their solutions/patches, and there has
been a fairly lengthy discussion of the issue/bug and potential
workarounds . We are working on a long term solution for this
problem-will be available probably sometime in Dec-January.
For now, you can try your query without the namespaces:
".//Child/DataElement"
This query is not necessarily equivalent to yours, of course, but it
could work-don't know if what you're showing is all of your data or a
snippet? The not-so-easy solution is to remove all namespaces and issue
the query.
-Yana
_____
From: puneet sharma [mailto:puneet_jee@yahoo.com]
Sent: Wednesday, November 24, 2004 4:36 AM
To: dev@xmlbeans.apache.org
Subject: XPath problem in XMLBeans Urgent
Hi All,
I am facing some problems with XPath in XMLBeans. I have
Jaxen-1.1-beta-2.jar in classpath.
I have following XML structure.
<nsp:Parent xmlns:nsp="http://www.mycmp.com">
<Child>
<DataElement>SomeValue</DataElement>
</Child>
</nsp:envelope>
The following expression works fine
String queryExpression ="declare namespace nsp='http://www.mycmp.com" +
"$this/nsp:Parent/Child/DataElement" ;
In this XML 'Child' element may or may not have namespace prefix (as
this XML will come from outside world). According to XSD Child is in the
name space. So I tried to use following generic XPath expression
String queryExpression ="declare namespace nsp='http://www.mycmp.com;" +
"$this/nsp:Parent/*[local-name() = 'Child']/DataElement" ;
But this does not work.
In the following code the returnedObjects in blank
EnvelopeDocument parentDoc = EnvelopeDocument.Factory.parse(file);
XmlObject returnedObjects[] = parentDoc.selectPath(queryExpression) ;
I am not getting any exceptions also. Previously when xbean_xpath.jar
was not there in the classpath I was getting "expression is too complex"
Exception.
This is very urgent for me.
Thanks
Puneet
_____
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The all-new My Yahoo! <http://my.yahoo.com> - What will yours do?
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi, namespaces are not well-supported in
the current jaxen hookup. You can search the mailing lists—I think the
user mailing list in particular—people have posted their
solutions/patches, and there has been a fairly lengthy discussion of the issue/bug
and potential workarounds . We are working on a long term solution for this
problem—will be available probably sometime in \
Dec-January.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>For now, you can try your query without
the namespaces:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>“.//Child/DataElement"<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>This query is not necessarily equivalent to yours, of course, but it
could work—don’t know if what you’re showing is all of your
data or a snippet? The not-so-easy solution is to remove all namespaces and
issue the query.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-<st1:place w:st="on">Yana</st1:place></span></font><font size=2
color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> puneet sharma
[mailto:puneet_jee@yahoo.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, November 24, 2004
4:36 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName \
w:st="on">dev@xmlbeans.apache.org</st1:PersonName><br> <b><span \
style='font-weight:bold'>Subject:</span></b> XPath problem in XMLBeans Urgent \
</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi All,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I am facing some problems with XPath in XMLBeans. I have
Jaxen-1.1-beta-2.jar in classpath. <br>
<br>
I have following XML structure. <br>
<br>
<nsp:Parent xmlns:nsp="http://www.mycmp.com"> <br>
<Child> <br>
<DataElement>SomeValue</DataElement> <br>
</Child> <br>
</nsp:envelope> <br>
<br>
The following expression works fine <br>
String queryExpression ="declare namespace nsp='http://www.mycmp.com"
+ <br>
"$this/nsp:Parent/Child/DataElement" ; <br>
<br>
<br>
In this XML 'Child' element may or may not have namespace prefix (as this XML will
come from outside world). According to XSD Child is in the name space. So I
tried to use following generic XPath expression <br>
<br>
String queryExpression ="declare namespace
nsp='http://www.mycmp.com;" + <br>
"$this/nsp:Parent/*[local-name() = 'Child']/DataElement" ; <br>
<br>
<strong><b><font face="Times New Roman">But this does not work. \
</font></b></strong><br> <br>
In the following code the returnedObjects in blank <br>
EnvelopeDocument parentDoc = EnvelopeDocument.Factory.parse(file); <br>
XmlObject returnedObjects[] = parentDoc.selectPath(queryExpression) ; <br>
<br>
I am not getting any exceptions also. Previously when xbean_xpath.jar was not
there in the classpath I was getting "expression is too complex"
Exception.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>This is very urgent for me. <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Puneet<o:p></o:p></span></font></p>
</div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=1 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Do you Yahoo!?<br>
The <a href="http://my.yahoo.com">all-new My Yahoo!</a> – What will yours
do?<o:p></o:p></span></font></p>
</div>
</body>
</html>
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