public Object instantiate()

in extscript-core-root/extscript-spring/src/main/java/org/apache/myfaces/extensions/scripting/spring/bean/support/CompilationAwareInstantiationStrategy.java [182:223]
27 lines of code
4 McCabe index (conditional complexity)

    public Object instantiate(RootBeanDefinition beanDefinition, String beanName, BeanFactory owner,
                              Object factoryBean, Method factoryMethod, Object[] args)
    {
        // The factory method which we'll use to instantiate the bean.
        Method factoryMethodToUse = factoryMethod;

        // Determine whether the given bean definition supports a refresh operation,
        // i.e. if a refresh metadata attribute has been attached to it already.
        //RefreshableBeanAttribute refreshableAttribute =
        //        (RefreshableBeanAttribute) beanDefinition.getAttribute(
        //                RefreshableBeanAttribute.REFRESHABLE_BEAN_ATTRIBUTE);
        boolean refreshableAttribute = (beanDefinition.getBeanClass().getClassLoader() instanceof ThrowAwayClassloader);

        if (refreshableAttribute)
        {
            factoryMethodToUse = (Method) beanDefinition.getAttribute(CACHED_FACTORY_METHOD);
            if (factoryMethodToUse == null)
            {
                try
                {
                    // Reload the factory methods to use. The problem is that the given factory method possibly
                    // references an outdated Class object, which means, that if we used the given factory method
                    // to instantiate another object, we would end up with a ClassCastException as the given
                    // factory bean has already been reloaded.
                    factoryMethodToUse = beanDefinition.getBeanClass().getMethod(
                            factoryMethod.getName(), factoryMethod.getParameterTypes());

                    // Cache the factory method so that we don't have to use reflection every time.
                    beanDefinition.setAttribute(CACHED_FACTORY_METHOD, factoryMethodToUse);
                }
                catch (NoSuchMethodException ex)
                {
                    throw new BeanInstantiationException(
                            beanDefinition.getBeanClass(), "Couldn't reload the factory method '" + factoryMethod
                            + "' to instantiate the bean '" + beanName + "' . Have you removed the required "
                            + "factory method without updating the bean definition?", ex);
                }
            }
        }

        return super.instantiate(beanDefinition, beanName, owner, factoryBean, factoryMethodToUse, args);
    }