... sorry.. I meant "CODI and ext-val". 2010/11/22 Jakob Korherr <[email protected]>
> Hi Rudy, > > Nice idea! > > If we don't want to put it directly into CODI, we could create a CODI > add-on for it in ext-val, because CODI and ext-cdi kinda overlap here. > > Regards, > Jakob > > 2010/11/22 Gerhard <[email protected]> > > hi rudy, >> >> basically it's a nice idea. >> for further discussions we would need your implementation. >> >> regards, >> gerhard >> >> http://www.irian.at >> >> Your JSF powerhouse - >> JSF Consulting, Development and >> Courses in English and German >> >> Professional Support for Apache MyFaces >> >> >> >> 2010/11/22 Rudy De Busscher <[email protected]> >> >> Hi all, >>> >>> BeanValidation is promoted as *THE validation framework* in the EE >>> environment. it can already be used in JPA and JSF. In the future they >>> plan to have it also in other areas like JAX-RS. >>> >>> Another area where we could start using it, is with CDI. With the >>> creation of an Interceptor, it is possible to develop a mechanism that allow >>> validation of method parameter values. >>> >>> Aparently Apache BVal is taking this up (thx Gerhard for the input, see >>> here >>> http://carinae.net/2010/04/automatic-validation-method-calls-with-jsr-303-appendix-c/), >>> but a generic solution could be made available in Codi. Since there is >>> no method forseen in the BeanValidation spec to validate a value based on an >>> annotation (only methods for validating a property within a class or a >>> complete object), I was forced to create a hack with dynamically created >>> classes. >>> >>> But in a POC I was able to use the following declarations >>> >>> * @ParameterValidation >>> public String sayHelloMinimumLength(@Size(min = 3) String name) { >>> return "Hello "+name; >>> } >>> >>> @ParameterValidation >>> public String sayHello(@NotNull @Valid Person person) { >>> return "Hello "+person.getLastName(); >>> }* >>> >>> And I did some small (but successful) tests in the following environments >>> - Plain SE (JUnit tests) >>> - Tomcat 6 >>> - JBoss 6 (M5) >>> >>> The performance is also acceptable. Executing 1000 tests on the >>> sayHelloMinimumLength method as described above, adds about 300 ms (in >>> total, so 0.3 ms per call). >>> >>> So with this message I would like to have the opinion of the community >>> about adding such functionality to Codi. I think we have 3 options: >>> >>> 1) Add it to Codi itself (I think the BV module is the best candidate) >>> 2) Put the logic in an add-on because it is useful but not all projects >>> can/will use it. >>> 3) Spend our time to other topics because it is useless. [?] >>> >>> If you like the idea, I do some further work on the code an supply a >>> patch or the add-on. >>> >>> Regards >>> Rudy. >>> >>> >> > > > -- > Jakob Korherr > > blog: http://www.jakobk.com > twitter: http://twitter.com/jakobkorherr > work: http://www.irian.at > -- Jakob Korherr blog: http://www.jakobk.com twitter: http://twitter.com/jakobkorherr work: http://www.irian.at
<<330.png>>
