Sure, here it is: https://dl.dropbox.com/u/908875/openwebbeans/converters.zip
Xavier ________________________________ > From: [email protected] > Date: Tue, 19 Mar 2013 09:53:43 +0100 > Subject: Re: CDI and ParameterizedTypes > To: [email protected] > > do you have a sample reproducing it? > > Romain Manni-Bucau > Twitter: @rmannibucau<https://twitter.com/rmannibucau> > Blog: http://rmannibucau.wordpress.com/ > LinkedIn: http://fr.linkedin.com/in/rmannibucau > Github: https://github.com/rmannibucau > > > > 2013/3/19 Xavier Dury <[email protected]<mailto:[email protected]>> > Hi, > > I still got the same error with 1.1.8-SNAPSHOT: > > javax.enterprise.inject.AmbiguousResolutionException: Ambigious resolution > found beans: > StringToLongConverter, Name:null, WebBeans Type:MANAGED, API > Types:[java.lang.Object,test.StringToLongConverter,test.TypeConverter], > Qualifiers:[javax.enterprise.inject.Any,javax.enterprise.inject.Default] > StringToIntegerConverter, Name:null, WebBeans Type:MANAGED, API > Types:[test.TypeConverter,java.lang.Object,test.StringToIntegerConverter], > Qualifiers:[javax.enterprise.inject.Any,javax.enterprise.inject.Default] > at > org.apache.webbeans.util.InjectionExceptionUtils.throwAmbiguousResolutionExceptionForBeans(InjectionExceptionUtils.java:121) > > at > org.apache.webbeans.util.InjectionExceptionUtils.throwAmbiguousResolutionException(InjectionExceptionUtils.java:111) > > at > org.apache.webbeans.util.InjectionExceptionUtils.throwAmbiguousResolutionException(InjectionExceptionUtils.java:88) > > at > org.apache.webbeans.container.InjectionResolver.resolve(InjectionResolver.java:669) > > at > org.apache.webbeans.container.InjectionResolver.checkInjectionPoints(InjectionResolver.java:189) > > at > org.apache.webbeans.container.BeanManagerImpl.validate(BeanManagerImpl.java:1034) > > at > org.apache.openejb.cdi.BeansDeployer.validate(BeansDeployer.java:269) > at > org.apache.openejb.cdi.BeansDeployer.validateInjectionPoints(BeansDeployer.java:222) > > at > org.apache.openejb.cdi.OpenEJBLifecycle.startApplication(OpenEJBLifecycle.java:280) > > ... 46 more > > Xavier > ________________________________ > > Date: Fri, 15 Mar 2013 15:54:37 +0000 > > From: [email protected]<mailto:[email protected]> > > Subject: Re: CDI and ParameterizedTypes > > To: [email protected]<mailto:[email protected]> > > > > romain, Xavier, can you please test with the latest 1.1.8-SNAPSHOT? > > > > I'll roll a 1.1.8 release this evening. > > > > LieGrue, > > strub > > > > > > ________________________________ > > From: Romain Manni-Bucau > <[email protected]<mailto:[email protected]>> > > To: [email protected]<mailto:[email protected]> > > Sent: Friday, March 15, 2013 4:17 PM > > Subject: Re: CDI and ParameterizedTypes > > > > Ok > > > > guess the fix was not in > > > > > > Romain Manni-Bucau > > Twitter: @rmannibucau<https://twitter.com/rmannibucau> > > Blog: http://rmannibucau.wordpress.com/ > > LinkedIn: http://fr.linkedin.com/in/rmannibucau > > Github: https://github.com/rmannibucau > > > > > > > > 2013/3/15 Xavier Dury > <[email protected]<mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>>> > > > Hi, > > > > I'm using the last version available on maven central repo which is 1.1.7. > > > > Xavier > > > > ________________________________ > > > From: > [email protected]<mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>> > > > > Date: Fri, 15 Mar 2013 15:29:00 +0100 > > > Subject: Re: CDI and ParameterizedTypes > > > To: > [email protected]<mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>> > > > > > > > Hi, > > > > > > if i didn't miss it you didn't mention your version > > > > > > think it should work with 1.1.8 > > > > > > https://github.com/rmannibucau/cdi-converters was used to work and was > > > using something > > > close > > > https://github.com/rmannibucau/cdi-converters/blob/master/src/test/java/com/github/rmannibucau/converter/ConverterTest.java > > > > > > > Romain Manni-Bucau > > > Twitter: @rmannibucau<https://twitter.com/rmannibucau> > > > Blog: http://rmannibucau.wordpress.com/ > > > LinkedIn: http://fr.linkedin.com/in/rmannibucau > > > Github: https://github.com/rmannibucau > > > > > > > > > > > > 2013/3/15 Xavier Dury > > > <[email protected]<mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>><mailto:[email protected]<mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>>>> > > > > Hi, > > > > > > I'm trying to implement a simple type conversion framework in CDI. > > > Typically, you can either implement the TypeConverter interface or > > > annotate some methods in your beans: > > > > > > public interface TypeConverter<S, T> { > > > > > > T convert(S source); > > > } > > > > > > public class StringToIntegerTypeConverter implements > > > TypeConverter<String, Integer> { ... } > > > > > > public class StringToLongTypeConverter implements TypeConverter<String, > > > Long> { ... } > > > > > > public MyConverters { > > > > > > @Converts public Integer stringToInteger(String value) { ... } > > > @Converts public Long stringToLong(String value) { ... } > > > } > > > > > > A specific Extension "bridges" the annotated methods to a full > > > TypeConverter (a custom Bean<?> is registered with an API types of > > > ParameterizedTypeImpl(rawType = TypeConverter.class, ownerType = null, > > > actualTypeArguments = [method.getGenericParameterType[0], > > > method.getGenericReturnType])). > > > > > > Then a TypeConversionService is responsible to find the adequate > > > Converter through the BeanManager and call it with the provided object > > > to be converted. > > > > > > public class TypeConversionService { > > > > > > public <T> T convert(Class<T> targetType, Object source) { ... } > > > public <T> T convert(TypeLiteral<T> targetTypeLiteral, Object source) > > { ... } > > > } > > > > > > My problem is the following: as soon as 2 or more TypeConverters are > > > present in the module (let's say StringToIntegerTypeConverter and > > > StringToLongTypeConverter), an ambiguous dependency exception is > > > thrown. > > > > > > For example: > > > > > > public class MyBean { > > > > > > @Inject TypeConverter<String, Integer> stringToIntegerTypeConverter; > > > @Inject TypeConverter<String, Long> stringToLongTypeConverter; > > > > > > // won't work > > > } > > > > > > If I delete one of the TypeConverter classes (StringToLongTypeConverter > > > for example), the remaining TypeConverter > > > (StringToIntegerTypeConverter) is injected at the 2 injection points > > > (stringToIntegerTypeConverter=ok and stringToLongTypeConverter=!ok). > > > > > > Is it possible with CDI to have such a scenario without using > > > additional qualifiers to qualify each converter and only rely on the > > > (parameterized) type information to tell them apart? > > > > > > I've seen some discussions on StackOverflow saying the TypeConverter > > > should belong to the Dependent scope but it didn't work for me. > > > > > > Thanks, > > > > > > Xavier > > > > > > > > > >
