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From "Stefan Pietschmann" <dev.sen...@gmail.com>
Subject AW: Access to the AuthenticationContext
Date Wed, 11 Jan 2006 20:43:54 GMT
Hmpf, I don't get it to work. Btw, I get the context from the
SessionManager, but you made me curious about the session-context input
module (mainly because the XPath). Here's my method (I have the manager
object as an instance variable and only use the session-context, so it
slightly differs from the method proposed by John):

private String getInputModuleAttribute(String path) {
	ServiceSelector selector = (ServiceSelector)
manager.lookup(InputModule.ROLE + "Selector");
      InputModule inputModule = (InputModule)
selector.select("session-context");
      return (String) inputModule.getAttribute(path, null, null);
}

Of course I handle the exceptions (and none is thrown btw), but I left that
out for readability purposes.
So I tried many ways to get just one parameter:

getInputModuleAttribute("//id"));
getInputModuleAttribute("/authentication/ID"));
getInputModuleAttribute("//ID"));
getInputModuleAttribute("session-context:authentication/ID"));
getInputModuleAttribute("session-context:authentication//ID"));
getInputModuleAttribute("session-context:authentication/authentication/ID"))
;

but all I get in return is null.

http://cocoon.apache.org/2.1/apidocs/org/apache/cocoon/webapps/session/compo
nents/ContextInputModule.html#getAttribute(java.lang.String,%20org.apache.av
alon.framework.configuration.Configuration,%20java.util.Map) says, that null
is returned if the value doesn't exist. Huh?

The value is there - I can get it by calling
sessionManager.getContextFragment("authentication", "/authentication/ID")).

Where's my daily mistake this time? :)

Cheers,
Stefan




| -----Ursprüngliche Nachricht-----
| Von: Jean-Baptiste Quenot [mailto:jbq@anyware-tech.com]
| Gesendet: Montag, 9. Januar 2006 13:15
| An: dev@cocoon.apache.org
| Betreff: Re: Access to the AuthenticationContext
| 
| * Stefan Pietschmann:
| > | You can also use the « session-context » input module to retrieve
| > | the piece of information more nicely:
| >
| > I would actually call this like
| > getInputModuleAttribute(manager,"session-context","/authentication/id")?
| And
| > it would return the id?
| 
| Yes, quite: getInputModuleAttribute(manager,"session-
| context","authentication/authentication/id")
| 
| > Even if so, I don't always have the full xpath and have to search for
| the
| > node, which would be kinda hard this way.
| 
| You can use an XPath expression like:
| 
| getInputModuleAttribute(manager,"session-context","//id")
| 
| Best regards,
| --
| Jean-Baptiste Quenot
| Systèmes d'Information
| ANYWARE TECHNOLOGIES
| Tel : +33 (0)5 61 00 52 90
| Fax : +33 (0)5 61 00 51 46
| http://www.anyware-tech.com/


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