Re: [jdt-dev] Import issues with generics and inner interfaces

[martin.nilsson@xxxxxxxxxxx]

Yes, I'm using the same complience level
(1.5) in eclipse and javac.

Martin Nilsson
AB Sandvik Coromant, CTSS
Office Phone: +46(0)26 266057


jdt-dev-bounces@xxxxxxxxxxx wrote on 2009-10-30 13:12:56:

> [image removed] 
> 
> Re: [jdt-dev] Import issues with generics and inner interfaces
> 
> 2009-10-30 13:13
> 
> Daniel Megert 
> 
> to:
> 
> Eclipse JDT general developers list.
> 
> Sent by:
> 
> jdt-dev-bounces@xxxxxxxxxxx
> 
> Please respond to "Eclipse JDT general developers list."
> 
> Are you using the same Java compliance level for Eclipse and javac?
Note
> that such questions should be asked on the eclipse.tools.jdt newsgroup
or
> filed as bug if you think Eclipse is doing it wrong.
> 
> Dani
> 
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>   |[jdt-dev] Import issues with generics and inner interfaces
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> 
> 
> 
> 
> 
> 
> Hello
> 
> I'm running into a problem with an API that I'm developing that deals
with
> generics and inner interfaces. A very simple example of the problem
is the
> following:
> 
> SuperInterface.java:
> 
> package com.test.superint;
> 
> public interface SuperInterface<G extends SuperInterface.
> SuperInterfaceGetter, S extends SuperInterface.SuperInterfaceSetter>
{
>     public interface SuperInterfaceGetter {}
> 
>     public interface SuperInterfaceSetter {}
> }
> 
> SubInterface.java:
> 
> package com.test.subint;
> 
> import com.test.superint.SuperInterface;
> 
> public interface SubInterface extends SuperInterface<SubInterface.
> SubInterfaceGetter, SubInterface.SubInterfaceSetter> {
>     public interface SubInterfaceGetter extends SuperInterfaceGetter
{}
> 
>     public interface SubInterfaceSetter extends SuperInterfaceSetter
{}
> }
> 
> These two classes compiles without a problem in eclipse jdt, but fails
when
> compiling using javac or maven with the following error:
> 
> test\subint\SubInterface.java:6: cannot find symbol
> symbol  : class SuperInterfaceGetter
> location: interface test.subint.SubInterface
>     public interface SubInterfaceGetter extends SuperInterfaceGetter
{}
>                    
                     
      ^
> test\subint\SubInterface.java:8: cannot find symbol
> symbol  : class SuperInterfaceSetter
> location: interface test.subint.SubInterface
>     public interface SubInterfaceSetter extends SuperInterfaceSetter
{}
>                    
                     
      ^
> test\subint\SubInterface.java:5: type parameter
> test.subint.SubInterface.SubInterfaceGetter is not within its bound
> public interface SubInterface extends
> SuperInterface<SubInterface.SubInterfaceGetter,
> SubInterface.SubInterfaceSetter> {
>                    
                     
                     
 ^
> test\subint\SubInterface.java:5: type parameter
> test.subint.SubInterface.SubInterfaceSetter is not within its bound
> public interface SubInterface extends
> SuperInterface<SubInterface.SubInterfaceGetter,
> SubInterface.SubInterfaceSetter> {
> ^
> 4 errors
> 
> To make it compile outside of eclipse, I have to add two imports to
the
> interface SubInterface.java:
> 
> import com.test.superint.SuperInterface.SuperInterfaceGetter;
> import com.test.superint.SuperInterface.SuperInterfaceSetter;
> 
> But as soon as I do it, eclipse says these two imports are never used
and
> remove them if the "Remove unused imports" is enabled
> 
> Is there a way to get the jdt compiler to behave the same way as javac?
> 
> Thanks,
> 
> Martin
> 
> 
> 
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