Evaristo Wychoski Benfatti created CXF-7545:
-----------------------------------------------
Summary: Problem to generate WADL when a implementattion of
generic type is used
Key: CXF-7545
URL: https://issues.apache.org/jira/browse/CXF-7545
Project: CXF
Issue Type: Bug
Components: JAX-RS
Affects Versions: 3.2.0, 3.1.9
Environment: All plataforms
Reporter: Evaristo Wychoski Benfatti
Priority: Minor
Fix For: 3.2.0
When we have the following scenario, the process to generate the wadl is not
properly generated.
{code:java}
public abstract class BaseEntity { ... }
public class Entity extends BaseEntity { ... }
public abstract class SuperResource<T extends BaseEntity>
{
@POST
@Path("/method")
public T resourceMethod(T param){ ... }
}
@Path("/resource")
public class ChildResource extends SuperResource<Entity> { ... }
{code}
The generation to ChildResource only exposes the methods to `BaseEntity`
instead of exposing correctly the specialized type `Entity`.
This problem occurs on
`rt/rs/description/src/main/java/org/apache/cxf/jaxrs/model/wadl/WadlGenerator.java`
file when it evaluates generic types. The solution is considering the
TypeVariable to specialized types as follow:
{code:java}
// Line 1047 instead of this
- if (theActualType == Object.class && !(genericType instanceof
Class)) {
// using the following lines
+ if ((theActualType == Object.class && !(genericType instanceof
Class))
+ || (genericType instanceof
TypeVariable)) {
{code}
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