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From James Hang <jh...@bea.com>
Subject Re: [jira] Escaping node names in xpath queries
Date Sat, 03 Mar 2007 22:17:51 GMT

Thanks for the response.  Is there a Jackrabbit library that we can use to do
this escaping for us?  

James



Julian Reschke wrote:
> 
> James Hang schrieb:
>> We're having problems running an xpath query where a node name in the
>> xpath
>> contains blank spaces.
>> 
>> For example, the following query won't work because of the blank space in
>> the name "Node A":
>> 
>> /jcr:root//mypath/Node A//element(*, myType) order by @cx:created
>> ascending
>> 
>> We tried uri encoding the name, which replaces the space with %20, but
>> that
>> gives us this error:
>> 
>> javax.jcr.query.InvalidQueryException: Lexical error at line 1, column
>> 110. 
>> Encountered: "2" (50), after : "%": Lexical error at line 1, column 110. 
>> Encountered: "2" (50), after : "%": Lexical error at line 1, column 110. 
>> Encountered: "2" (50), after : "%"
>> 
>> Is there a way to get around this?
> 
> XPath goes against the "document view" of the repository, thus you have 
> escape names using the rules in JSR 170, Section 6.4.3.
> 
> For instance, a space character would become "_x0020_".
> 
> Best regards, Julian
> 
> 
> 

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