For some reason, I've received this thread all out of order.
Problem #1:
You're doing string concatenation, and attempting
to parse the bogus xpath of "//a[@n='Here's Johnny']"
It's bogus because you have unbalanced quotes.
Problem #2:
As I read it (which could be 100% wrong), there is
no provision for escaping quotes of either style.
" and ' are *not* caught by the xpath
parser. They are not defined for the XPath lexical
model.
You *can* use them, when passing xpaths in from
another XML document, but in that case, they get
unescaped by the *XML* parser before being handed
to the XPath engine. ie. xslt:
<value-of select="foo/bar[@name="cheese"]"/>
Problem #3:
Directly related to #2, you cannot use backlash
escapes for strings in the xpath engine. I could
make it work, but it'd be non-conformant, and when
constructing from literal strings in java, would
look like ass, since you'd have to use 3 slashes.
String expr = "foo/bar[@name=\\\"cheese\\\"]"
Anyone offer a better solution?
-bob
On Wed, 31 Oct 2001, Jason Long wrote:
> I have been working on an application that uses both jdom and jaxen.
>
> Here is and example of my problem?
>
> String str = "Johnny's Dinner";
> XPath xpathArtist = new XPath("//a[@n='" + str + "']");
>
> I read somewhere that replacing ' with "'" or " with '"'.
>
> Is this the best way to do this?
> Is there support built into jaxen to clean up string prior to being used in
> XPath?
>
> Best Regards,
>
> Jason Long
> JML Internet Enterprises - www.jmlie.com
> BS Physics, MS Chemical Engineering
>
>
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