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Posted to issues@camel.apache.org by "Raul Kripalani (JIRA)" <ji...@apache.org> on 2012/06/27 13:37:43 UTC
[jira] [Created] (CAMEL-5403) Type converter for NodeList with size
1 to Node
Raul Kripalani created CAMEL-5403:
-------------------------------------
Summary: Type converter for NodeList with size 1 to Node
Key: CAMEL-5403
URL: https://issues.apache.org/jira/browse/CAMEL-5403
Project: Camel
Issue Type: New Feature
Components: camel-core
Affects Versions: 2.8.0
Reporter: Raul Kripalani
In many cases, Xerces will return transformation results as a NodeList of size 1 even though the XPath evaluation only yields one element during runtime.
{code}
<transform>
<xpath>/child::node()[local-name() = 'ABC']</xpath>
</transform>
{code}
(that XPath is capable of matching multiple elements - but let's assume only one is matched)
When applying an XPath choice afterwards, it is easy to come across this error:
{code}
java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMNodeList cannot be cast to org.w3c.dom.Node
at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:121)[:]
at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:99)[:]
at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:184)[:]
at org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:676)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:640)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
at org.apache.camel.builder.xml.XPathBuilder.matches(XPathBuilder.java:132)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:65)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
[...]
{code}
To make the out-of-the-box experience smoother, I propose adding a little type converter that converts from NodeList => Node when the size of the former is 1.
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[jira] [Assigned] (CAMEL-5403) Type converter for NodeList with
size 1 to Node
Posted by "Raul Kripalani (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CAMEL-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raul Kripalani reassigned CAMEL-5403:
-------------------------------------
Assignee: Raul Kripalani
> Type converter for NodeList with size 1 to Node
> -----------------------------------------------
>
> Key: CAMEL-5403
> URL: https://issues.apache.org/jira/browse/CAMEL-5403
> Project: Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 2.8.0
> Reporter: Raul Kripalani
> Assignee: Raul Kripalani
> Labels: type-converter, xerces, xpath
> Attachments: single-nodelist-converters_CAMEL-5403.diff
>
>
> In many cases, Xerces will return transformation results as a NodeList of size 1 even though the XPath evaluation only yields one element during runtime.
> {code}
> <transform>
> <xpath>/child::node()[local-name() = 'ABC']</xpath>
> </transform>
> {code}
> (that XPath is capable of matching multiple elements - but let's assume only one is matched)
> When applying an XPath choice afterwards, it is easy to come across this error:
> {code}
> java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMNodeList cannot be cast to org.w3c.dom.Node
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:121)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:99)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:184)[:]
> at org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:676)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:640)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.matches(XPathBuilder.java:132)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:65)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> [...]
> {code}
> To make the out-of-the-box experience smoother, I propose adding a little type converter that converts from NodeList => Node when the size of the former is 1.
--
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[jira] [Updated] (CAMEL-5403) Type converter for NodeList with size
1 to Node
Posted by "Raul Kripalani (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CAMEL-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raul Kripalani updated CAMEL-5403:
----------------------------------
Labels: type-converter xerces xpath (was: )
> Type converter for NodeList with size 1 to Node
> -----------------------------------------------
>
> Key: CAMEL-5403
> URL: https://issues.apache.org/jira/browse/CAMEL-5403
> Project: Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 2.8.0
> Reporter: Raul Kripalani
> Labels: type-converter, xerces, xpath
>
> In many cases, Xerces will return transformation results as a NodeList of size 1 even though the XPath evaluation only yields one element during runtime.
> {code}
> <transform>
> <xpath>/child::node()[local-name() = 'ABC']</xpath>
> </transform>
> {code}
> (that XPath is capable of matching multiple elements - but let's assume only one is matched)
> When applying an XPath choice afterwards, it is easy to come across this error:
> {code}
> java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMNodeList cannot be cast to org.w3c.dom.Node
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:121)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:99)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:184)[:]
> at org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:676)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:640)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.matches(XPathBuilder.java:132)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:65)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> [...]
> {code}
> To make the out-of-the-box experience smoother, I propose adding a little type converter that converts from NodeList => Node when the size of the former is 1.
--
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[jira] [Updated] (CAMEL-5403) Type converter for NodeList with size
1 to Node
Posted by "Raul Kripalani (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CAMEL-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raul Kripalani updated CAMEL-5403:
----------------------------------
Attachment: single-nodelist-converters_CAMEL-5403.diff
Attached patch including unit tests.
> Type converter for NodeList with size 1 to Node
> -----------------------------------------------
>
> Key: CAMEL-5403
> URL: https://issues.apache.org/jira/browse/CAMEL-5403
> Project: Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 2.8.0
> Reporter: Raul Kripalani
> Assignee: Raul Kripalani
> Labels: type-converter, xerces, xpath
> Attachments: single-nodelist-converters_CAMEL-5403.diff
>
>
> In many cases, Xerces will return transformation results as a NodeList of size 1 even though the XPath evaluation only yields one element during runtime.
> {code}
> <transform>
> <xpath>/child::node()[local-name() = 'ABC']</xpath>
> </transform>
> {code}
> (that XPath is capable of matching multiple elements - but let's assume only one is matched)
> When applying an XPath choice afterwards, it is easy to come across this error:
> {code}
> java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMNodeList cannot be cast to org.w3c.dom.Node
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:121)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:99)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:184)[:]
> at org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:676)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:640)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.matches(XPathBuilder.java:132)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:65)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> [...]
> {code}
> To make the out-of-the-box experience smoother, I propose adding a little type converter that converts from NodeList => Node when the size of the former is 1.
--
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[jira] [Resolved] (CAMEL-5403) Type converter for NodeList with
size 1 to Node
Posted by "Raul Kripalani (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CAMEL-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raul Kripalani resolved CAMEL-5403.
-----------------------------------
Resolution: Fixed
> Type converter for NodeList with size 1 to Node
> -----------------------------------------------
>
> Key: CAMEL-5403
> URL: https://issues.apache.org/jira/browse/CAMEL-5403
> Project: Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 2.8.0, 2.9.2, 2.10.0
> Reporter: Raul Kripalani
> Assignee: Raul Kripalani
> Labels: type-converter, xerces, xpath
> Fix For: 2.10.1
>
> Attachments: single-nodelist-converters_CAMEL-5403.diff
>
>
> In many cases, Xerces will return transformation results as a NodeList of size 1 even though the XPath evaluation only yields one element during runtime.
> {code}
> <transform>
> <xpath>/child::node()[local-name() = 'ABC']</xpath>
> </transform>
> {code}
> (that XPath is capable of matching multiple elements - but let's assume only one is matched)
> When applying an XPath choice afterwards, it is easy to come across this error:
> {code}
> java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMNodeList cannot be cast to org.w3c.dom.Node
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:121)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:99)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:184)[:]
> at org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:676)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:640)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.matches(XPathBuilder.java:132)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:65)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> [...]
> {code}
> To make the out-of-the-box experience smoother, I propose adding a little type converter that converts from NodeList => Node when the size of the former is 1.
--
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[jira] [Updated] (CAMEL-5403) Type converter for NodeList with size
1 to Node
Posted by "Raul Kripalani (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CAMEL-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raul Kripalani updated CAMEL-5403:
----------------------------------
Patch Info: Patch Available
Affects Version/s: 2.9.2
2.10.0
Fix Version/s: 2.10.1
> Type converter for NodeList with size 1 to Node
> -----------------------------------------------
>
> Key: CAMEL-5403
> URL: https://issues.apache.org/jira/browse/CAMEL-5403
> Project: Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 2.8.0, 2.9.2, 2.10.0
> Reporter: Raul Kripalani
> Assignee: Raul Kripalani
> Labels: type-converter, xerces, xpath
> Fix For: 2.10.1
>
> Attachments: single-nodelist-converters_CAMEL-5403.diff
>
>
> In many cases, Xerces will return transformation results as a NodeList of size 1 even though the XPath evaluation only yields one element during runtime.
> {code}
> <transform>
> <xpath>/child::node()[local-name() = 'ABC']</xpath>
> </transform>
> {code}
> (that XPath is capable of matching multiple elements - but let's assume only one is matched)
> When applying an XPath choice afterwards, it is easy to come across this error:
> {code}
> java.lang.ClassCastException: org.apache.xml.dtm.ref.DTMNodeList cannot be cast to org.w3c.dom.Node
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:121)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.eval(XPathExpressionImpl.java:99)[:]
> at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:184)[:]
> at org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:676)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:640)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.builder.xml.XPathBuilder.matches(XPathBuilder.java:132)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:65)[88:org.apache.camel.camel-core:2.8.0.fuse-03-06]
> [...]
> {code}
> To make the out-of-the-box experience smoother, I propose adding a little type converter that converts from NodeList => Node when the size of the former is 1.
--
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