Which Aware interfaces does Spring support?

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Which Aware interfaces does Spring support?

• ApplicationContextAware: Get the ApplicationContext object
• BeanFactoryAware: Get the BeanFactory object
• BeanNameAware: Get the name of the Bean
• EnvironmentAware: Get the Environment object
• ResourceLoaderAware: Get ResourceLoader object
• ServletContextAware: Get the ServletContext object in the web application
• BeanClassLoaderAware: Get the ClassLoader object that loads the current Bean
  

Advantages of the Aware interface

• Various objects and resources in the Spring container can be obtained, such as other beans, file resources, environment variables, etc.
• Can manage shared resources in the project, such as database connection pool, configuration properties, etc.
• Deeply integrated with the Spring container, the Bean's behavior can be dynamically adjusted according to the operating environment.
• Simply and efficiently extend the functionality of Spring Beans.

The difference between ApplicationContextAware and BeanFactoryAware

The difference between these two is rather the difference between ApplicationContext and BeanFactory.

• ApplicationContext is a sub-interface of BeanFactory, which provides more functions, such as internationalization processing, event propagation, Bean automatic assembly, etc.
• ApplicationContext is implemented on the basis of BeanFactory, so ApplicationContext that BeanFactory can do can do, but ApplicationContext that BeanFactory cannot do may not be able to do.
• ApplicationContext is implemented on the basis of BeanFactory, so the performance of BeanFactory is better than ApplicationContext.
• ApplicationContext is implemented on the basis of BeanFactory, so BeanFactory is more scalable than ApplicationContext.
• ApplicationContext is implemented on the basis of BeanFactory, so BeanFactory is lighter than ApplicationContext.
• ApplicationContext is implemented on the basis of BeanFactory, so BeanFactory is more flexible than ApplicationContext.

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