Re: [Resteasy-developers] @EJB: workaround available?

[Bill B. <bb...@re...>]

Ya, I've thought about this a lot and I don't want to create a new 
component model when we already have:

* EJB
* Seam
* Spring
* Web Beans

Ryan J. McDonough wrote:
> Jürgen,
> 
> I don't think we have this implemented yet, but with RESTEasy, you can 
> make the EJB itself a resource. Bill has an example of it in the 
> integration tests folder and I'll be committing and example app that 
> uses this on Wednesday.
> 
> Ryan-
> 
> On Jul 27, 2008, at 4:21 AM, Jürgen Zimmermann wrote:
> 
>> When using Jersey I could use a provider class to make @EJB available
>> (see below). Is there a similar workaround to use RESTeasy with JBoss
>> 4.2.3?
>>
>> import java.lang.reflect.Type;
>> import javax.ejb.EJB;
>> import javax.naming.Context;
>> import javax.naming.InitialContext;
>> import javax.naming.NamingException;
>> import javax.ws.rs.ext.Provider;
>> import com.sun.jersey.api.core.HttpContext;
>> import com.sun.jersey.spi.inject.Injectable;
>> import com.sun.jersey.spi.inject.InjectableProvider;
>> import com.sun.jersey.spi.service.ComponentContext;
>> import com.sun.jersey.spi.service.ComponentProvider.Scope;
>>
>> @Provider
>> public class EJBProvider implements InjectableProvider<EJB, Type> {
>> private static String JNDI_PREFIX = "hska/";
>> private static String JNDI_SUFFIX = "Bean/local";
>>
>> public Scope getScope() {
>> return Scope.Singleton;
>> }
>>
>> public Injectable<Object> getInjectable(ComponentContext
>> componentCtx, EJB ejb, Type type) {
>> if (!(type instanceof Class))
>> return null;
>>
>> final Class<?> clazz = (Class<?>) type;
>> try {
>> final Context ctx = new InitialContext();
>> final String jndiName = JNDI_PREFIX +
>> clazz.getSimpleName() + JNDI_SUFFIX;
>> final Object obj = ctx.lookup(jndiName);
>>
>> return new Injectable<Object>() {
>> public Object getValue(HttpContext c) {
>> return obj;
>> }
>> };
>> }
>> catch (NamingException e) {
>> e.printStackTrace();
>> return null;
>> }
>> }
>> }
>>
>>
>>
>>
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-- 
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com