Question -
Class used to have full access to the Spring context's life cycle machinery and dependency injection.
Options:
A .  DelegatingFilterProxy
B .  WebApplicationContextUtils.getRequiredWeb()
C .  WebApplicationUtils.getRequiredWebApplicationContext()
D .  None of the mentioned
Answer: Option A
If you want to implement filter-like functionality but want to have full access to the Spring context's life cycle machinery and dependency injection, use the DelegatingFilterProxy class.
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