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https://issues.apache.org/jira/browse/JXPATH-86?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Benson resolved JXPATH-86.
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Resolution: Invalid
This comes down to another misunderstanding wrt the JXPath XPath
implementation. The JXPath users guide has the following to say, under "Object
Graph Traversal"->"Containers":
For example, if property "foo" of the context node has a Container as its
value, the XPath "foo" will produce the contents of that Container, not the
container itself.
Remember that JXPath functions by "pretending" a Java object graph is an XML
document. Think of this implementation decision as a conscious choice of:
<object>
<foo />
<foo />
</object>
over
<object>
<foo>
<foo_child />
<foo_child />
</foo>
</object>
.
This seems to have been a more sensible solution than trying to autogenerate an
element name as has been done in the second case. Finally, as JXPath is headed
for a 1.3 release in the near future, I urge you to conduct any further testing
against SVN HEAD so that you might have an opportunity to review the codebase
planned for release for consistency with what I have said here, and with the
users' guide, and to be sure that any further examples you submit are fully
reproducible. It might be good to conduct discussions on the commons-user
mailing list (preface subjects with [jxpath]) until the determination has been
made of items' bug status.
br,
Matt
> Children returned instead of self for arrays when using . selector
> ------------------------------------------------------------------
>
> Key: JXPATH-86
> URL: https://issues.apache.org/jira/browse/JXPATH-86
> Project: Commons JXPath
> Issue Type: Bug
> Affects Versions: 1.2 Final
> Reporter: Adam Crume
>
> The . selector should always return the context node, and the * selector
> should return child elements. However, this doesn't work for arrays:
> JXPathContext context = JXPathContext.newContext(new HashMap());
> context.setValue("array", new String[] {"one", "two", "three"});
> context.setValue("array2", new String[][] { {"a", "b"}, {"c", "d"}});
> context.setValue("person", new Person("Bob", 25));
> String[] paths = {"/array", "/array/.", "/array/*", "/person", "/person/.",
> "/person/*"};
> for(int i = 0; i < paths.length; i++) {
> Pointer pointer = context.getPointer(paths[i]);
> System.out.println(pointer.asPath());
> Object value = context.getValue(paths[i]);
> System.out.println(value);
> System.out.println();
> }
> This produces the following output:
> /[EMAIL PROTECTED]'array']
> [Ljava.lang.String;@59b659b6
> /[EMAIL PROTECTED]'array'][1]
> one
> /[EMAIL PROTECTED]'array'][1]/bytes[1]
> 111
> /[EMAIL PROTECTED]'person']
> [EMAIL PROTECTED]
> /[EMAIL PROTECTED]'person']
> [EMAIL PROTECTED]
> /[EMAIL PROTECTED]'person']/age
> 25
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