public void handle()

in commons-digester3-core/src/main/java/org/apache/commons/digester3/annotations/handlers/AbstractMethodHandler.java [120:163]
39 lines of code
8 McCabe index (conditional complexity)

    public void handle( final A annotation, final Method element, final RulesBinder rulesBinder )
    {
        if ( SUPPORTED_ARGS != element.getParameterTypes().length )
        {
            final DigesterRule rule = annotation.annotationType().getAnnotation( DigesterRule.class );

            rulesBinder.addError( "Methods annotated with digester annotation rule @%s must have just one argument",
                                  rule.reflectsRule().getName() );
            return;
        }

        final Object explicitTypesObject = getAnnotationValue( annotation );
        if ( explicitTypesObject == null || !explicitTypesObject.getClass().isArray()
            || Class.class != explicitTypesObject.getClass().getComponentType() )
        {
            rulesBinder.addError( "Impossible to apply this handler, @%s.value() has to be of type 'Class<?>[]'",
                                  annotation.getClass().getName() );
            return;
        }

        final Class<?>[] explicitTypes = (Class<?>[]) explicitTypesObject;
        final Class<?> paramType = element.getParameterTypes()[0];
        final boolean fireOnBegin = getFireOnBegin( annotation );

        if ( explicitTypes.length > 0 )
        {
            for ( final Class<?> explicitType : explicitTypes )
            {
                if ( !paramType.isAssignableFrom( explicitType ) )
                {
                    rulesBinder.addError( "Impossible to handle annotation %s on method, %s has to be a %s",
                                          annotation, element.toGenericString(), explicitType.getName(),
                                          paramType.getName() );
                    return;
                }

                doHandle( annotation, element, explicitType, fireOnBegin, rulesBinder );
            }
        }
        else
        {
            doHandle( annotation, element, paramType, fireOnBegin, rulesBinder );
        }
    }