package org.springframework.osgi.atlassian;
   
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   import org.springframework.beans.factory.BeanCreationException;
   import org.springframework.beans.factory.BeanDefinitionStoreException;
   import org.springframework.beans.factory.BeanFactory;
   import org.springframework.beans.factory.support.BeanDefinitionValidationException;
   import org.springframework.beans.factory.support.DefaultListableBeanFactory;
  import org.springframework.beans.factory.support.RootBeanDefinition;
  
  /**
   * ListableBeanFactory that does not use JAAS due to performance reasons:
   * http://word-bits.flurg.com/jaas-is-terrible-and-there-is-no-escape-from-it/
   *
   * @since 3.2.16
   */
  public class UnsecureListableBeanFactory extends DefaultListableBeanFactory
  {
      private static final Logger log = LoggerFactory.getLogger(UnsecureListableBeanFactory.class);
  
      public UnsecureListableBeanFactory(BeanFactory parentBeanFactory)
      {
          super(parentBeanFactory);
      }
  
      /**
       * Duplicates the behaviour in {@link DefaultListableBeanFactory} with the
       * exception of removing calls to JAAS.
       */
      protected Object createBean(final String beanName, final RootBeanDefinition mbd, final Object[] args)
              throws BeanCreationException
      {
          log.debug("Creating instance of bean '{}'", beanName);
  
          // Make sure bean class is actually resolved at this point.
          resolveBeanClass(mbd, beanName);
  
          // Prepare method overrides.
          try {
              mbd.prepareMethodOverrides();
          }
          catch (BeanDefinitionValidationException ex) {
              throw new BeanDefinitionStoreException(mbd.getResourceDescription(),
                      beanName, "Validation of method overrides failed", ex);
          }
  
          try {
              // Give BeanPostProcessors a chance to return a proxy instead of the target bean instance.
              Object bean = resolveBeforeInstantiation(beanName, mbd);
              if (bean != null) {
                  return bean;
              }
          }
          catch (Throwable ex) {
              throw new BeanCreationException(mbd.getResourceDescription(), beanName,
                      "BeanPostProcessor before instantiation of bean failed", ex);
          }
  
          log.debug("Finished creating instance of bean '{}'", beanName);
          return doCreateBean(beanName, mbd, args);
      }
  }