The example as is doesn't make sense in an application, but is
necessary in the context of a book explaining what the effect is of a
URL encoding strategy: it shows how the same link will render with
each URL coding strategy. Therefore it unmounts and mounts.
Martijn
On 2/20/08, okrohne <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I tried QueryStringUrlCodingStrategy and MixedParamUrlCodingStrategy and
> both are throwing
> exceptions. I looked at the example in chapter 15.2 , I don't get the point
> of:
>
> ((WebApplication)getApplication()).unmount("cheeses");
> ((WebApplication)getApplication()).mountBookmarkablePage("cheeses",
> CheeseDetailsPage.class);
> ((WebApplication)getApplication()).unmount("cheeses");
> ((WebApplication)getApplication()).mount(new
> QueryStringUrlCodingStrategy("cheeses", CheeseDetailsPage.class));
> ((WebApplication)getApplication()).unmount("cheeses");
> ((WebApplication)getApplication()).mount(new
> MixedParamUrlCodingStrategy("cheeses", CheeseDetailsPage.class, new
> String[]{}));
>
> why mount and unmount?
>
> The exceptions are thrown after the first on timer event.
>
>
> QueryStringUrlCodingStrategy gives:
>
> Root cause:
>
> java.lang.NullPointerException
> at
>
> org.apache.wicket.request.target.component.BookmarkableListenerInterfaceRequestTarget.processEvents(BookmarkableListenerInterfaceRequestTarget.java:131)
> at
>
> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:90)
> at
>
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1166)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1241)
>
> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1316)
> at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
> at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:354)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
> 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:230)
> 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:104)
> at
>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at
>
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:613)
>
>
>
> MixedParamUrlCodingStrategy gives
> Root cause:
>
> java.lang.ClassCastException: [Ljava.lang.String;
> at
>
> org.apache.wicket.request.target.coding.MixedParamUrlCodingStrategy.appendParameters(MixedParamUrlCodingStrategy.java:153)
> at
>
> org.apache.wicket.request.target.coding.BookmarkablePageRequestTargetUrlCodingStrategy.encode(BookmarkablePageRequestTargetUrlCodingStrategy.java:135)
> at
>
> org.apache.wicket.protocol.http.request.WebRequestCodingStrategy.pathForTarget(WebRequestCodingStrategy.java:459)
> at
>
> org.apache.wicket.protocol.http.request.WebRequestCodingStrategy.encode(WebRequestCodingStrategy.java:236)
> at
>
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:224)
> at
>
> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:103)
> at
>
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1172)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1241)
>
> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1316)
> at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
> at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:354)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
> 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:230)
> 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:104)
> at
>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at
>
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:613)
>
>
> Any ideas?
>
> Thanks,
> Oliver
>
>
>
>
>
> Martijn Dashorst wrote:
> >
> > Use a different URL coding strategy.
> >
> > see Application#mount()
> >
> > (Wicket in action chapter 15, soon to be renumbered to chapter 14,
> > talks about the encoding strategies, see the example code in:
> > http://wicketinaction.googlecode.com)
> >
> > Martijn
> >
> > On 2/19/08, okrohne <[EMAIL PROTECTED]> wrote:
> >>
> >> Hi Maurice,
> >>
> >> thanks for your advice, it worked out of the box :)
> >>
> >> Now I have mounted the Page to
> >> www.mydomain.com/events
> >> by setting it in the init method of my app
> >>
> >> mountBookmarkablePage("/events", Events.class);
> >>
> >> and I get this exception:
> >>
> >> java.lang.IllegalStateException: URL fragment has unmatched key/value
> >> pair:
> >> amp
> >> at
> >>
> org.apache.wicket.request.target.coding.AbstractRequestTargetUrlCodingStrategy.decodeParameters(AbstractRequestTargetUrlCodingStrategy.java:174)
> >> at
> >>
> org.apache.wicket.request.target.coding.BookmarkablePageRequestTargetUrlCodingStrategy.decode(BookmarkablePageRequestTargetUrlCodingStrategy.java:76)
> >> at
> >>
> org.apache.wicket.protocol.http.request.WebRequestCodingStrategy.targetForRequest(WebRequestCodingStrategy.java:475)
> >> at
> >>
> org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(WebRequestCycleProcessor.java:175)
> >> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1224)
> >> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1316)
> >> at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
> >> at
> >> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:354)
> >> at
> >>
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
> >> 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:230)
> >> 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:104)
> >> at
> >>
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> >> at
> >>
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> >> at
> >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> >> at
> >>
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> >> at
> >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> >> at java.lang.Thread.run(Thread.java:613)
> >>
> >> Any idea what I have missed to configure?
> >>
> >> Thanks,
> >> Oliver
> >>
> >>
> >>
> >> Mr Mean wrote:
> >> >
> >> > If you have your dao always return the top x rows ordered by creation
> >> > date the newest will always be at index 0.
> >> > in onpopulate you can check if the creation date is within the last 5
> >> > sec and then apply a css style or whatever to achieve your effect.
> >> > Attach the AjaxSelfUpdatingTimerBehavior to a WebMarkupContainer which
> >> > contains your DataTable / DataView and your table will automatically
> >> > be refreshed.
> >> >
> >> > Maurice
> >> >
> >> > On Feb 18, 2008 2:23 PM, okrohne <[EMAIL PROTECTED]> wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> I am new to Wicket and I think of how to achieve the following:
> >> >>
> >> >> I need a table which refreshes itself every 5 sec. This could be done
> >> >> with AjaxSelfUpdatingTimerBehavior. The refresh mechanismen shall
> >> >> only insert new rows at the beginning (there will be always only 1 new
> >> >> row
> >> >> in a 5 sec period).
> >> >> The table shall only display 10 rows (or be configurable), so if a new
> >> >> row
> >> >> comes in the 10th row should dispear. The new row can have several
> >> >> effects
> >> >> like sliding in, flashing ...
> >> >> I need this as monitoring component.
> >> >>
> >> >> Has anyone done something like this?
> >> >> Any suggestions are welcome, maybe it is obvious?
> >> >>
> >> >> Thanks,
> >> >> Oliver
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >>
> >>
> http://www.nabble.com/self-refreshing-table-with-effects-tp15545179p15545179.html
> >> >> Sent from the Wicket - User mailing list archive at Nabble.com.
> >> >>
> >> >>
> >> >> ---------------------------------------------------------------------
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> >> >>
> >> >>
> >> >
> >> > ---------------------------------------------------------------------
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> >> >
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >>
> http://www.nabble.com/self-refreshing-table-with-effects-tp15545179p15560365.html
> >> Sent from the Wicket - User mailing list archive at Nabble.com.
> >>
> >>
> >> ---------------------------------------------------------------------
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> >> For additional commands, e-mail: [EMAIL PROTECTED]
> >>
> >>
> >
> >
> > --
> > Buy Wicket in Action: http://manning.com/dashorst
> > Apache Wicket 1.3.1 is released
> > Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3.1
> >
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> >
> >
> >
>
> --
>
> View this message in context:
> http://www.nabble.com/self-refreshing-table-with-effects-tp15545179p15584531.html
>
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
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>
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