Hi there,
somehow, I cannot access nodes that are stored in a variable. I'm using
Xalan 2.5.1 and the following commands:
=============== = BEGIN =============== =====
<xsl:variable name="reference d-node" select="//a[@att1 = current()/@att2]"/>
<xsl:variable name="attribute-source">
<xsl:choose>
<xsl:when test="$referenc ed-node">
<xsl:copy-of select="$refere nced-node"/>
</xsl:when>
<xsl:otherwis e>
<xsl:copy-of select="."/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- line 556 follows -->
<!-- this is where the error occurs -->
<xsl:value-of select="$attrib ute-source/@att3"/>
=============== == END =============== ======
I cannot access $attribute-source. If the node or its attribute 'att3'
could not be found, nothing would be written. But even then no
ClassCastExcept ion should be thrown.
Is this problem caused by the <xsl:copy-of> statements? My understand is
that I can store the nodes in variable $attribute-source using
<xsl:copy-of>. <xsl:value-of> would not help in this case, because I
need the node and not its text value.
If I run Xalan, it tells me:
=============== = BEGIN =============== =====
; SystemID: file:///path/../../stylesheet.xsl; Line#: 556; Column#: 59
javax.xml.trans form.Transforme rException: java.lang.Class CastException
at
org.apache.xala n.templates.Ele mValueOf.execut e(ElemValueOf.j ava:330)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java(Co mpiled
Code))
at org.apache.xala n.templates.Ele mIf.execute(Ele mIf.java:203)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java:23 18)
at org.apache.xala n.templates.Ele mCopy.execute(E lemCopy.java:15 3)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java:23 18)
at
org.apache.xala n.templates.Ele mLiteralResult. execute(ElemLit eralResult.java :699)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java:23 18)
at
org.apache.xala n.transformer.T ransformerImpl. applyTemplateTo Node(Transforme rImpl.java:2185 )
at
org.apache.xala n.transformer.T ransformerImpl. transformNode(T ransformerImpl. java:1263)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :671)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :1179)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :1157)
at org.apache.xala n.xslt.Process. main(Process.ja va:1025)
---------
java.lang.Class CastException
at
org.apache.xpat h.axes.FilterEx prIteratorSimpl e.executeFilter Expr(FilterExpr IteratorSimple. java(Compiled
Code))
at
org.apache.xpat h.axes.FilterEx prWalker.setRoo t(FilterExprWal ker.java(Compil ed
Code))
at
org.apache.xpat h.axes.WalkingI terator.setRoot (WalkingIterato r.java(Compiled
Code))
at
org.apache.xpat h.axes.LocPathI terator.execute CharsToContentH andler(LocPathI terator.java:27 6)
at
org.apache.xala n.templates.Ele mValueOf.execut e(ElemValueOf.j ava:311)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java(Co mpiled
Code))
at org.apache.xala n.templates.Ele mIf.execute(Ele mIf.java:203)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java:23 18)
at org.apache.xala n.templates.Ele mCopy.execute(E lemCopy.java:15 3)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java:23 18)
at
org.apache.xala n.templates.Ele mLiteralResult. execute(ElemLit eralResult.java :699)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp plyTemplates.ja va:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja va:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor merImpl.java:23 18)
at
org.apache.xala n.transformer.T ransformerImpl. applyTemplateTo Node(Transforme rImpl.java:2185 )
at
org.apache.xala n.transformer.T ransformerImpl. transformNode(T ransformerImpl. java:1263)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :671)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :1179)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :1157)
at org.apache.xala n.xslt.Process. main(Process.ja va:1025)
=============== == END =============== ======
Any idea, how to access the node stored in $attribute-source?
Thanks in advance,
Johannes
1  2745 
Thanks, Marrow, although I found a solution meanwhile, I have to admit
your's it much smarter!
Johannes
Marrow wrote: Hi Johannes,
Try something like this code...
<xsl:variable name="reference d-node" select="//a[@att1 =
current()/@att2]"/>
<xsl:variable name="attribute-source" select="$refere nced-node |
(.)[not($referenced-node)]"/>
Hope this helps
Marrow
http://www.marrowsoft.com - home of Xselerator (XSLT IDE and debugger)
http://www.topxml.com/Xselerator
"Johannes Lebek" <re************ ****@domain.com > wrote in message
news:bh******** **@sp15at20.hur sley.ibm.com...
Hi there,
somehow, I cannot access nodes that are stored in a variable. I'm using
Xalan 2.5.1 and the following commands:
============= === BEGIN =============== =====
<xsl:variab le name="reference d-node" select="//a[@att1 =
current()/@att2]"/>
<xsl:variab le name="attribute-source">
<xsl:choose>
<xsl:when test="$referenc ed-node">
<xsl:copy-of select="$refere nced-node"/>
</xsl:when>
<xsl:otherwis e>
<xsl:copy-of select="."/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- line 556 follows -->
<!-- this is where the error occurs -->
<xsl:value-of select="$attrib ute-source/@att3"/>
============= ==== END =============== ======
I cannot access $attribute-source. If the node or its attribute 'att3'
could not be found, nothing would be written. But even then no
ClassCastExce ption should be thrown.
Is this problem caused by the <xsl:copy-of> statements? My understand is
that I can store the nodes in variable $attribute-source using
<xsl:copy-of>. <xsl:value-of> would not help in this case, because I
need the node and not its text value.
If I run Xalan, it tells me:
============= === BEGIN =============== =====
; SystemID: file:///path/../../stylesheet.xsl; Line#: 556; Column#: 59
javax.xml.tra nsform.Transfor merException: java.lang.Class CastException
at
org.apache.xa lan.templates.E lemValueOf.exec ute(ElemValueOf .java:330)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java(Com piled
Code))
at org.apache.xala n.templates.Ele mIf.execute(Ele mIf.java:203)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java:231 8)
at org.apache.xala n.templates.Ele mCopy.execute(E lemCopy.java:15 3)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java:231 8)
at
org.apache.xala n.templates.Ele mLiteralResult. execute(ElemLit eralResult.java :
699)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java:231 8)
at
org.apache.xala n.transformer.T ransformerImpl. applyTemplateTo Node(Transforme r
Impl.java:2185)
at
org.apache.xala n.transformer.T ransformerImpl. transformNode(T ransformerImpl. j
ava:1263)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :
671)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :
1179)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :
1157)
at org.apache.xala n.xslt.Process. main(Process.ja va:1025)
---------
java.lang.Cla ssCastException
at
org.apache.xpat h.axes.FilterEx prIteratorSimpl e.executeFilter Expr(FilterExpr I
teratorSimple.j ava(Compiled
Code))
at
org.apache.xpat h.axes.FilterEx prWalker.setRoo t(FilterExprWal ker.java(Compil e
d
Code))
at
org.apache.xpat h.axes.WalkingI terator.setRoot (WalkingIterato r.java(Compiled
Code))
at
org.apache.xpat h.axes.LocPathI terator.execute CharsToContentH andler(LocPathI t
erator.java:276 )
at
org.apache.xa lan.templates.E lemValueOf.exec ute(ElemValueOf .java:311)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java(Com piled
Code))
at org.apache.xala n.templates.Ele mIf.execute(Ele mIf.java:203)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java:231 8)
at org.apache.xala n.templates.Ele mCopy.execute(E lemCopy.java:15 3)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java:231 8)
at
org.apache.xala n.templates.Ele mLiteralResult. execute(ElemLit eralResult.java :
699)
at
org.apache.xala n.templates.Ele mApplyTemplates .transformSelec tedNodes(ElemAp p
lyTemplates.jav a:425)
at
org.apache.xala n.templates.Ele mApplyTemplates .execute(ElemAp plyTemplates.ja v
a:215)
at
org.apache.xala n.transformer.T ransformerImpl. executeChildTem plates(Transfor m
erImpl.java:231 8)
at
org.apache.xala n.transformer.T ransformerImpl. applyTemplateTo Node(Transforme r
Impl.java:2185)
at
org.apache.xala n.transformer.T ransformerImpl. transformNode(T ransformerImpl. j
ava:1263)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :
671)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :
1179)
at
org.apache.xala n.transformer.T ransformerImpl. transform(Trans formerImpl.java :
1157)
at org.apache.xala n.xslt.Process. main(Process.ja va:1025)
============= ==== END =============== ======
Any idea, how to access the node stored in $attribute-source?
Thanks in advance,
Johannes
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