Ruben Gerits created CAMEL-16865:
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Summary: Xtokenize does not track a level up again once it detects
a non matching namespace
Key: CAMEL-16865
URL: https://issues.apache.org/jira/browse/CAMEL-16865
Project: Camel
Issue Type: Bug
Components: camel-core
Affects Versions: 3.11.1
Reporter: Ruben Gerits
When trying to find all items of a specific namespace within a parent tag it
will stop detecting the children once it comes across a parent tag that does
not have any child elements within this namespace.
It seems that the code to go up a level again is only triggered once a matching
child element has been found. If no elements are found this logic is not
triggered, even though the xml tag ends at that level.
For example having XML:
{code:xml}
<?xml version='1.0' encoding='UTF-8'?>
<greatgrandparent xmlns='urn:g' xmlns:c='urn:c' xmlns:x='urn:x'>
<grandparent>
<x:uncle>bob</x:uncle>
<x:aunt>emma</x:aunt>
</grandparent>
<grandparent>
<c:parent some_attr='1'>
<c:child some_attr='a' anotherAttr='a'></c:child>
<c:child some_attr='b' anotherAttr='b' />
</c:parent>
<c:parent some_attr='2'>
<c:child some_attr='c' anotherAttr='c'></c:child>
<c:child some_attr='d' anotherAttr='d' />
</c:parent>
</grandparent>
<grandparent>
<x:uncle>ben</x:uncle>
<x:aunt>jenna</x:aunt>
<c:parent some_attr='3'>
<c:child some_attr='e' anotherAttr='e'></c:child>
<c:child some_attr='f' anotherAttr='f' />
</c:parent>
</grandparent>
</greatgrandparent>
{code}
And we run the xtokenize expression as following (within test class
{{XMLTokenExpressionIteratorTest}}):
{code:java}
nsmap.put("X", "urn:x");
invokeAndVerify("//G:grandparent/X:*",
'i', new ByteArrayInputStream(TEST_BODY_MIXED_CHILDREN),
RESULTS_AUNT_AND_UNCLE);
{code}
As a result we now get:
{code:xml}
<x:uncle xmlns=\"urn:g\" xmlns:x=\"urn:x\" xmlns:c=\"urn:c\">bob</x:uncle>
<x:aunt xmlns=\"urn:g\" xmlns:x=\"urn:x\" xmlns:c=\"urn:c\">emma</x:aunt>
{code}
This means it stops processing at the moment it got to the grandparent tag that
only has {{<c:child>}} elements.
The expected result would be:
{code:xml}
<x:uncle xmlns=\"urn:g\" xmlns:x=\"urn:x\" xmlns:c=\"urn:c\">bob</x:uncle>
<x:aunt xmlns=\"urn:g\" xmlns:x=\"urn:x\" xmlns:c=\"urn:c\">emma</x:aunt>
<x:uncle xmlns=\"urn:g\" xmlns:x=\"urn:x\" xmlns:c=\"urn:c\">ben</x:uncle>
<x:aunt xmlns=\"urn:g\" xmlns:x=\"urn:x\" xmlns:c=\"urn:c\">jenna</x:aunt>
{code}
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