I would be keen to hear about this.
Is there or should there be a utility class to escape things correctly for
XPath? Kind of like URLEncoder but for xpath?
On 9/17/06, Joshua Levy <[EMAIL PROTECTED]> wrote:
Hi,
I'm trying to properly escape characters in an XPath
query using jcr:contains. Based on Sec 6.6.5.2 of
the JCR spec it seemed like one should use single
quotes and backslash escape some characters (", ', -, \).
Queries like this work for me:
//element(*, my:record)[jcr:contains(.,'blah\-blah')] order by
jcr:score() descending
//element(*, my:record)[jcr:contains(.,'blah\"blah')] order by
jcr:score() descending
But
//element(*, my:record)[jcr:contains(.,'blah\'blah')] order by
jcr:score() descending
throws an exception (below).
Am I not doing the escaping correctly, or is it a bug?
Also, this brings up broader question: Are there any
libraries people use to help formulate (JCR) XPath queries,
that assist with such syntax details? It seems rather
error-prone to be constructing them by hand, particularly
with character escaping (more than one kind), etc.
Many thanks!
Joshua
javax.jcr.query.InvalidQueryException: Lexical error at line 1, column
110. Encountered: <EOF> after : "\')] order by jcr:score() descending
return $v": Lexical error at line 1, column 110. Encountered: <EOF> after :
"\')] order by jcr:score() descending return $v": Lexical error at line 1,
column 110. Encountered: <EOF> after : "\')] order by jcr:score()
descending return $v"
at org.apache.jackrabbit.core.query.xpath.XPathQueryBuilder.<init>(
XPathQueryBuilder.java:249)
at
org.apache.jackrabbit.core.query.xpath.XPathQueryBuilder.createQuery(
XPathQueryBuilder.java:275)
at org.apache.jackrabbit.core.query.xpath.QueryBuilder.createQueryTree
(QueryBuilder.java:36)
at org.apache.jackrabbit.core.query.QueryParser.parse(QueryParser.java
:53)
at org.apache.jackrabbit.core.query.lucene.QueryImpl.<init>(
QueryImpl.java:125)
at
org.apache.jackrabbit.core.query.lucene.SearchIndex.createExecutableQuery(
SearchIndex.java:322)
at org.apache.jackrabbit.core.query.QueryImpl.init(QueryImpl.java:92)
at org.apache.jackrabbit.core.SearchManager.createQuery(
SearchManager.java:337)
at org.apache.jackrabbit.core.query.QueryManagerImpl.createQuery(
QueryManagerImpl.java:86)
