MBeanInfoBuilder does not process superinterfaces

The metaclass MBeanInfoBuilder does not process the superinterfaces of a management interface. This behaviour is not consistent with the jmx spec.

Following patch corrects this:

— MBeanInfoBuilder.java Wed Oct 6 19:06:52 2004
+++ MBeanInfoBuilder.java.patch Wed Oct 6 19:34:52 2004
@@ -161,6 +161,45 @@
helper.setClassname( type.getName() );
helper.setDescription( description );

+ introspectAndExtract( type, helper );
+
+ if( type.isInterface() )

{ + introspectSuperinterfaces( api, helper ); + }

+
+ return helper.toModelMBeanInfo();
+ }
+
+ /**
+ * Introspects superinterfaces.
+ * This method uses recursion to iterate through all higher superinterfaces.
+ * (Warning: possible stack overflow)
+ *
+ * @param type the class
+ * @param helper the helper
+ * @throws Exception if unable to introspect class
+ */
+ private void introspectSuperinterfaces( final Class type, final ModelInfoCreationHelper helper )
+ throws Exception
+ {
+ Class[] apis = cls.getInterfaces();
+ for( int i = 0; i < apis.length; i++ )

{ + Class api = apis[i]; + introspectAndExtract( api, helper ); + introspectSuperinterfaces( api, helper ); + }

+ }
+
+ /**
+ * Introspects a class and extracts MBean constructors/properties/operations.
+ *
+ * @param type the class
+ * @param helper the helper
+ * @throws Exception if unable to introspect class
+ */
+ private void introspectAndExtract( final Class type, final ModelInfoCreationHelper helper )
+ throws Exception
+

{ final BeanInfo beanInfo = Introspector.getBeanInfo( type ); final Constructor[] constructors = type.getConstructors(); @@ -170,8 +209,6 @@ extractConstructors( constructors, helper ); extractAttributes( propertys, helper ); extractOperations( methods, helper ); - - return helper.toModelMBeanInfo(); }

/**