Having MessageBodyReader<Object> & MessageBodyWriter<Object> instead of MessageBodyReader/MessageBodyWriter would work with any CXF version...
Benson and then myself worked a bit on ensuring that the process of choosing the right JAX-RS provider checks the generic parameters so the fact some providers may not even have them was kind of missed. Definitely not a big issue Cheers, Sergey On Fri, Jan 21, 2011 at 5:44 PM, Glen Mazza <[email protected]> wrote: > > On Fri, Jan 21, 2011 at 4:34 PM, Dan King<[email protected]> wrote: >> >> 2. Where can I find examples of custom >>> message body reader/writer implementation examples? I've searched >>> everywhere and >>> found nothing that helps in understanding how to implement a custom one. >>> >> > If you need to go that route, Example 6-02 of the JAX-RS book examples[1] > has a rather complex MessageBodyReader/Writer example. Note this example > had uncovered a bug that was quickly fixed in CXF 2.3.2 which should be > released very shortly[2] -- however most other MBR/MBW implementations will > work in CXF 2.3.1. > > > [1] http://www.jroller.com/gmazza/date/20110117 > [2] > http://cxf.547215.n5.nabble.com/VOTE-Apache-CXF-2-3-2-tp3345633p3350807.html > > > 3. I checked the example Glenn suggested, however that example does NOT >>> use >>> "ResponseReader". The method "useSimpleProxy" in "RESTClient.java", >>> creates >>> a >>> client proxy from which it retrieves a collection of person objects; it >>> never >>> deals with a "Response" object. Did I miss something in the example? >>> >>> > I apologize, the code I mentioned above will be in the *next* release of > the Talend examples, it actually uses brand new functionality put in by > Sergey in CXF 2.3.2. An example of ResponseReader (from the upcoming Talend > samples) is below: > > public void useSimpleProxy() { > System.out.println("Using a simple JAX-RS proxy to get all the > persons..."); > ResponseReader reader = new ResponseReader(); > reader.setEntityClass(PersonCollection.class); > > String webAppAddress = "http://localhost:"; + port + > "/services/personservice"; > PersonService proxy = JAXRSClientFactory.create(webAppAddress, > PersonService.class, > Collections.singletonList(reader)); > > // getPersons(a, b): a is zero-based start index, b is number of records > // to return (-1 for all) > Response resp = proxy.getPersons(0, -1); > if (resp.getStatus() == 200) { > PersonCollection personColl = (PersonCollection)resp.getEntity(); > List<Person> persons = personColl.getList(); > for (Iterator<Person> it = persons.iterator(); it.hasNext();) { > Person person = it.next(); > System.out.println("ID " + person.getId() + " : " + person.getName() + ", > age : " > + person.getAge()); > } > } > } > > Again, though, this will unfortunately need to wait until CXF 2.3.2 is out. > > HTH, > Glen > > > > > > Thanks. >>> >>> -Dan >>> >>> ----- Original Message ---- >>> >>> From: Sergey Beryozkin<[email protected]> >>>> To: [email protected] >>>> Sent: Fri, January 21, 2011 6:37:54 AM >>>> Subject: Re: How to convert response input stream to java object >>>> >>>> ResponseReader is a custom MessageBodyReader<Response> handler which >>>> is >>>> registered on the client side, it allows to do a safe type casting, such >>>> >>> as >>> >>>> Response response = webClient.get(); >>>> Book book = (Book)Response.getEntity(); >>>> >>>> It's possibe to write your own custom Response reader with any CXF >>>> >>> version >>> >>>> supporting the client api, but using the ResponseReader makes it >>>> >>> simpler... >>> >>>> Please check the demo Glen linked to. >>>> >>>> Sergey >>>> >>>> On Fri, Jan 21, 2011 at 4:08 AM, Glen Mazza<[email protected]> wrote: >>>> >>>> I think ResponseReader, recently introduced in CXF 2.3.1, is your >>>>> >>>> friend. >>> >>>> If you go to the Talend Service Factory (CXF wrap) Examples[1], under >>>>> examples/jaxrs-advanced/client/..../RESTClient.java, method >>>>> >>>> useSimpleProxy() >>> >>>> has it. >>>>> >>>>> Glen >>>>> >>>>> [1] http://www.talend.com/resources/documentation.php#SF >>>>> >>>>> >>>>> -- >>>>> Glen Mazza >>>>> Software Engineer, Talend (http://www.talend.com) >>>>> blog: http://www.jroller.com/gmazza >>>>> >>>>> >>>>> >>>>> >>> >>> >>> > > -- > Glen Mazza > Software Engineer, Talend (http://www.talend.com) > blog: http://www.jroller.com/gmazza > > >
