Hi Ludovic, I just created a class OpenIDHelper which has a static method findOpenIDUser(). That method is called in the already existent class MyFormAuthenticator which I extended a bit. Shouldn't the component manager be set up already in that "context"? Do you need any other details?
> I think it's "prop.value =:identifier" (not ':identifier') otherwise > hibernate will consider you use the value ":identifier" and will not > replace it. OK Thomas, I fixed that. Thanks! ----- Original Message ----- From: "Ludovic Dubost" <[EMAIL PROTECTED]> To: "XWiki Developers" <[email protected]> Sent: Monday, July 28, 2008 11:53 AM Subject: [gsoc] Re: [xwiki-devs] Problems creating a query using the QueryManager > > Hi Markus, > > Line 73 of AbstractQueryManager > > query = (Query) componentManager.lookup(Query.ROLE, language); > > Your componentManager is null.. This probably means that you have not > activated the component manager from plexus properly. > Probably Vincent can help, but he will probably need to know how you > have build your code. > > Ludovic > > Markus Lanthaler wrote: >> Hi, >> >> I'm currently implementing the last things to finish OpenID >> authentication >> support but I have some problems with the query manager. I'm trying to >> get >> the document (should be only one) which an attached OpenIdIdentifier >> object >> whose "identifier" string property's value has some specific value. I >> didn't >> found any documentation apart >> http://markmail.org/message/jt6m2huqr4r6hvk6 >> and >> http://dev.xwiki.org/xwiki/bin/view/Design/XWiki+Query+Language+Specification. >> >> I tried to achieve this by the following code: >> >> public static String findOpenIDUser(String openid_identifier, >> XWikiContext context) throws XWikiException >> { >> XWiki xwiki = context.getWiki(); >> >> QueryManager qm = xwiki.getStore().getQueryManager(); >> Query search_user; >> >> if (qm.hasLanguage(Query.HQL)) { >> search_user = >> qm.createQuery(", BaseObject as obj, StringProperty as >> prop >> where doc.fullName = obj.name and obj.className = >> 'XWiki.OpenIdIdentifier' >> and obj.id=prop.id.id and prop.id.name='identifier' and prop.value = >> ':identifier'", Query.HQL); >> } else if (qm.hasLanguage(Query.XPATH)) { >> search_user = >> qm.createQuery("/*/*[obj/XWiki/OpenIdIdentifier/@xp:identifier = >> ':identifier'] ", Query.XPATH); >> } else >> throw new RuntimeException(); >> >> search_user.bindValue("identifier", openid_identifier); >> >> List<XWikiDocument> found_users = >> search_user.setLimit(1).execute(); >> if (found_users.size() > 0) { >> if (log.isDebugEnabled()) { >> log.debug("OpenID " + openid_identifier + " already >> registered."); >> } >> return found_users.get(0).getFullName(); >> } >> >> return null; >> } >> >> >> but all I get is a NullPointerException when qm.createQuery(..., >> Query.HQL) >> is called. What's wrong with my code? >> >> java.lang.NullPointerException >> at >> com.xpn.xwiki.store.query.AbstractQueryManager.createQuery(AbstractQueryManager.java:73) >> at >> com.xpn.xwiki.user.impl.openid.OpenIDHelper.findOpenIDUser(OpenIDHelper.java:109) >> at >> com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.processLogin(MyFormAuthenticator.java:201) >> at >> com.xpn.xwiki.user.impl.xwiki.MyFormAuthenticator.processLogin(MyFormAuthenticator.java:178) >> at >> com.xpn.xwiki.user.impl.xwiki.XWikiAuthServiceImpl.checkAuth(XWikiAuthServiceImpl.java:205) >> at com.xpn.xwiki.XWiki.checkAuth(XWiki.java:3518) >> at >> com.xpn.xwiki.user.impl.xwiki.XWikiRightServiceImpl.checkAccess(XWikiRightServiceImpl.java:139) >> at com.xpn.xwiki.XWiki.checkAccess(XWiki.java:3526) >> at com.xpn.xwiki.XWiki.prepareDocuments(XWiki.java:4432) >> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:190) >> at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115) >> at >> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) >> at >> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) >> at >> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) >> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at >> com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:287) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at >> com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) >> at >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) >> at >> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) >> at >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) >> at java.lang.Thread.run(Thread.java:619) >> >> _______________________________________________ >> devs mailing list >> [email protected] >> http://lists.xwiki.org/mailman/listinfo/devs >> >> > > > -- > Ludovic Dubost > Blog: http://blog.ludovic.org/ > XWiki: http://www.xwiki.com > Skype: ldubost GTalk: ldubost > > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
