Please, Can you provide your Tapestry Module class that contributes your
worker ?
2010/9/9 Markus Feindler <markus.feind...@gmx.de>
> No, I get the exception for all pages, also the ExpcetionReportPage for
> example.
>
> >
> > -------- Original-Nachricht --------
> > Datum: Thu, 9 Sep 2010 08:26:05 +0200
> > Von: Christophe Cordenier <christophe.corden...@gmail.com>
> > An: Tapestry users <users@tapestry.apache.org>
> > Betreff: Re: Retrieve ActivationRequestParameters in custom
> > PageResponseRenderer
> >
> > Weird, does you Index page extends a base class ?
> >
> > 2010/9/8 Markus Feindler <markus.feind...@gmx.de>
> >
> > > Sorry to bother you, but Im stuck with a DuplicateMemberException:
> > > Caused by: java.lang.RuntimeException:
> > > javassist.bytecode.DuplicateMemberException: duplicate method:
> > > extractRequestParameters in de.wiv.tapestryportlet2.pages.Index
> > > at
> > >
> >
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.addOverrideOfSuperclassMethod(InternalClassTransformationImpl.java:1458)
> > > at
> > >
> >
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.findOrOverrideMethod(InternalClassTransformationImpl.java:1412)
> > > at
> > >
> >
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.findOverrideOrCreateMethod(InternalClassTransformationImpl.java:1397)
> > > at
> > >
> >
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.getOrCreateMethod(InternalClassTransformationImpl.java:1392)
> > > at
> > >
> >
> org.apache.tapestry5.portlet.services.PortletRequestParameterWorker.transform(PortletRequestParameterWorker.java:48)
> > > at
> > >
> >
> $ComponentClassTransformWorker_12af2cfc4c4.transform($ComponentClassTransformWorker_12af2cfc4c4.java)
> > > at
> > >
> >
> $ComponentClassTransformWorker_12af2cfc4c5.transform($ComponentClassTransformWorker_12af2cfc4c5.java)
> > > at
> > >
> >
> $ComponentClassTransformWorker_12af2cfc4b6.transform($ComponentClassTransformWorker_12af2cfc4b6.java)
> > > at
> > >
> >
> org.apache.tapestry5.internal.services.ComponentClassTransformerImpl$1.run(ComponentClassTransformerImpl.java:194)
> > > ... 250 more
> > > Caused by: javassist.bytecode.DuplicateMemberException: duplicate
> > method:
> > > extractRequestParameters in de.wiv.tapestryportlet2.pages.Index
> > > at
> > javassist.bytecode.ClassFile.testExistingMethod(ClassFile.java:637)
> > > at javassist.bytecode.ClassFile.addMethod(ClassFile.java:613)
> > > at javassist.CtClassType.addMethod(CtClassType.java:1320)
> > > at
> > >
> >
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.addOverrideOfSuperclassMethod(InternalClassTransformationImpl.java:1444)
> > > ... 258 more
> > >
> > > This is my worker:
> > >
> > > public class PortletRequestParameterWorker implements
> > > ComponentClassTransformWorker {
> > >
> > > private final ValueEncoderSource valueEncoderSource;
> > > private final ComponentClassCache classCache;
> > > private final RequestParameterContext requestParameterContext;
> > > private final ComponentSource componentSource;
> > >
> > > public PortletRequestParameterWorker(ValueEncoderSource
> > > valueEncoderSource,
> > > ComponentClassCache classCache, RequestParameterContext
> > > requestParameterContext,
> > > ComponentSource componentSource) {
> > > this.valueEncoderSource = valueEncoderSource;
> > > this.classCache = classCache;
> > > this.requestParameterContext = requestParameterContext;
> > > this.componentSource = componentSource;
> > > }
> > >
> > > public void transform(final ClassTransformation transformation,
> > > MutableComponentModel model) {
> > >
> > >
> > >
> > transformation.addImplementedInterface(RequestParameterExtractor.class);
> > > TransformMethodSignature extractMethod = new
> > > TransformMethodSignature(Modifier.PUBLIC,
> > > "Map<String, String>", "extractRequestParameters",
> > null,
> > > null);
> > > // if (transformation.isDeclaredMethod(extractMethod)) {
> > > // return;
> > > // }
> > >
> > transformation.getOrCreateMethod(extractMethod).addAdvice(new
> > > ComponentMethodAdvice(){
> > >
> > > public void advise(ComponentMethodInvocation invocation)
> > {
> > > Map<String, String> requestParameters = new
> > > HashMap<String, String>();
> > > for (TransformField field :
> > >
> >
> transformation.matchFieldsWithAnnotation(ActivationRequestParameter.class))
> > > {
> > > String parameterName = getParameterName(field,
> > > field.getAnnotation(ActivationRequestParameter.class));
> > > Class fieldType =
> > > classCache.forName(field.getType());
> > > FieldAccess access = field.getAccess();
> > > ValueEncoder encoder =
> > > valueEncoderSource.getValueEncoder(fieldType);
> > > Object value =
> > > access.read(invocation.getInstance());
> > > if (value == null)
> > > continue;
> > > String clientValue = encoder.toClient(value);
> > > requestParameters.put(parameterName,
> > clientValue);
> > > }
> > > invocation.overrideResult(requestParameters);
> > > }
> > >
> > > });
> > > }
> > >
> > > private String getParameterName(TransformField field,
> > > ActivationRequestParameter annotation)
> > > {
> > > if (annotation.value().equals(""))
> > > return field.getName();
> > >
> > > return annotation.value();
> > > }
> > >
> > > }
> > >
> > > Any ideas?
> > >
> > > Hi !
> > >>
> > >> Tapestry 5.2 has a brand new API for class manipulation in worker, you
> > >> have
> > >> to provide the method signature and implement the logic in a
> > >> ComponentMethodAdvice (see PropertyWorker sources to have a simple
> > >> example)
> > >>
> > >> HTH
> > >>
> > >> 2010/9/7 Markus Feindler<markus.feind...@gmx.de>
> > >>
> > >> So, I tried to follow your advice, but I don't see how to add a new
> > >>> method
> > >>> after calling
> > >>> "transformation.addImplementedInterface(MyInterface.class)".
> > >>> The documentation states to use transformation.getOrCreateMethod, but
> > >>> where
> > >>> to define the message body?
> > >>>
> > >>> Actually,
> > >>>
> > >>>> I would implement a ClassTransformation and add it to
> > >>>> contributeComponentClassTransformWorker (see Tapestry Module), This
> > >>>> worker
> > >>>> should add and implement an interface that contains the method to
> > >>>> extract
> > >>>> useful information from the page
> > >>>>
> > >>>> Then in your PageResponseRenderer, you can use ComponentSource to
> > get
> > >>>> the
> > >>>> page instance, cast it to your interface and call the method.
> > >>>>
> > >>>> 2010/9/6 Markus Feindler<markus.feind...@gmx.de>
> > >>>>
> > >>>> Thats the class I discovered earlier at work.
> > >>>>
> > >>>>> Now my question is how to get ClassTransformation and
> > >>>>> MutableComponentModel
> > >>>>> from the Page Object in the PageResponseRenderer?
> > >>>>>
> > >>>>> Thanks for you help/hints.
> > >>>>>
> > >>>>> Regards markus
> > >>>>>
> > >>>>> Hi
> > >>>>>
> > >>>>> Logic is enclosed in ActivationRequestParameterWorker, i think you
> > can
> > >>>>>> adapt
> > >>>>>> this to your needs and extract values. At the moment, I don't see
> > any
> > >>>>>> other
> > >>>>>> way to identify ActivationRequestParameters during link creation.
> > >>>>>>
> > >>>>>> 2010/9/6 Markus Feindler<markus.feind...@gmx.de>
> > >>>>>>
> > >>>>>> i would say you can get them from
> > >>>>>>
> > >>>>>> Request directly
> > >>>>>>>
> > >>>>>>>> This only works for the current request. I need to get the
> > >>>>>>>> parameters,
> > >>>>>>>>
> > >>>>>>>> which will be set for the next request/redirect. It would be
> > >>>>>>> possible
> > >>>>>>> to
> > >>>>>>> write get methods for the ActivationRequestParameters, but that
> > would
> > >>>>>>> not
> > >>>>>>> be
> > >>>>>>> the right way. I need to find out how that is solved internally.
> > >>>>>>>
> > >>>>>>>
> > >>>>>>> Oh sorry, i had mis-read your first message. I didn't get deep
> > into
> > >>>>>>> this
> > >>>>>>>
> > >>>>>>> new
> > >>>>>>>
> > >>>>>>>> feature at the time, but at first glance, i would say you can
> > get
> > >>>>>>>> them
> > >>>>>>>> from
> > >>>>>>>> Request directly. Maybe, you can implement a worker that will be
> > in
> > >>>>>>>> charge
> > >>>>>>>> of implementing an interface that will contain the method that
> > >>>>>>>> return
> > >>>>>>>> the
> > >>>>>>>> values.
> > >>>>>>>>
> > >>>>>>>> I will go deeper to see if there is not a more simple way of
> > doing
> > >>>>>>>> this.
> > >>>>>>>>
> > >>>>>>>> 2010/9/6 Markus Feindler<markus.feind...@gmx.de>
> > >>>>>>>>
> > >>>>>>>>
> > >>>>>>>>
> > >>>>>>>> Thats what Im doing right now for the PageActivationContext,
> > but I
> > >>>>>>>> also
> > >>>>>>>>
> > >>>>>>>> need the values for the ActivationRequestParameters (introduced
> > in
> > >>>>>>>>> 5.2:
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>>
> >
> http://tapestry.apache.org/tapestry5.2-dev/apidocs/org/apache/tapestry5/annotations/ActivationRequestParameter.html
> > >>>>>>>>> ).
> > >>>>>>>>>
> > >>>>>>>>> Hi
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>> So why not passivate the page, see
> > PageActivationContextCollector
> > >>>>>>>>> ?
> > >>>>>>>>>
> > >>>>>>>>> This
> > >>>>>>>>>> is
> > >>>>>>>>>> how it works to create links.
> > >>>>>>>>>>
> > >>>>>>>>>> 2010/9/5 Markus Feindler<markus.feind...@gmx.de>
> > >>>>>>>>>>
> > >>>>>>>>>>
> > >>>>>>>>>>
> > >>>>>>>>>>
> > >>>>>>>>>>
> > >>>>>>>>>> No, Im trying to upgrade "my" portlet implementation from
> > 5.1 to
> > >>>>>>>>>> 5.2
> > >>>>>>>>>>
> > >>>>>>>>>> and
> > >>>>>>>>>>> up to now the activationrequestparameters aren't put in the
> > url,
> > >>>>>>>>>>> cause
> > >>>>>>>>>>> I
> > >>>>>>>>>>> have to adjust my former 5.1 custom response renderer. If the
> > >>>>>>>>>>> Request
> > >>>>>>>>>>> is
> > >>>>>>>>>>> an
> > >>>>>>>>>>> ActionRequest (see Portlet lifecycle) you can't write output
> > into
> > >>>>>>>>>>> a
> > >>>>>>>>>>> stream
> > >>>>>>>>>>> instead a redirect is done internally in the portlet
> > container.
> > >>>>>>>>>>> Therefore
> > >>>>>>>>>>> I
> > >>>>>>>>>>> have to add the parameters to the ActionReponse
> > >>>>>>>>>>> (_actionResponse.setRenderParameter). In order to do so I
> > need to
> > >>>>>>>>>>> get
> > >>>>>>>>>>> the
> > >>>>>>>>>>> parameters.
> > >>>>>>>>>>>
> > >>>>>>>>>>> That's not enough details.
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>> -- Josh
> > >>>>>>>>>>>
> > >>>>>>>>>>> On Sep 5, 2010, at 9:51 AM, Markus Feindler<
> > >>>>>>>>>>>> markus.feind...@gmx.de>
> > >>>>>>>>>>>> wrote:
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> Need it for portlet implementation.
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> Hi
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>> What is the purpose ? I guess you are dealing with some
> > kind of
> > >>>>>>>>>>>>>> dynamic
> > >>>>>>>>>>>>>> stuff, please can you give more details ?
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> 2010/9/5 Markus Feindler<markus.feind...@gmx.de>
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> Hey folks,
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> I need to access page field values annotated with
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> ActivationRequestParameters in order to retrieve the
> > values.
> > >>>>>>>>>>>>>>> Reflection
> > >>>>>>>>>>>>>>> doesnt work, because the fields are private and a
> > >>>>>>>>>>>>>>> java.lang.IllegalAccessException is thrown. Whats the
> > right
> > >>>>>>>>>>>>>>> way
> > >>>>>>>>>>>>>>> to
> > >>>>>>>>>>>>>>> retrieve
> > >>>>>>>>>>>>>>> the values / activation request parameters?
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> Regards
> > >>>>>>>>>>>>>>> Markus
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > ---------------------------------------------------------------------
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> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>
> > ---------------------------------------------------------------------
> > >>>>>>>>>>>>>>>
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> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > ---------------------------------------------------------------------
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
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> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
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> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
> > >>>>>>>>>>>
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> > >>>>>>>>>
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> > >>>
> > >>>
> > >>>
> > >>
> > >
> >
> >
> > --
> > Regards,
> > Christophe Cordenier.
> >
> > Committer on Apache Tapestry 5
> > Co-creator of wooki @wookicentral.com
> >
>
> --
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--
Regards,
Christophe Cordenier.
Committer on Apache Tapestry 5
Co-creator of wooki @wookicentral.com
