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Java / Design Patterns

Difference between filter and interceptor patterns in Spring MVC.

A filter dynamically intercepts requests and responses to transform or use the information contained in the requests or responses. Filters typically do not themselves create responses, but instead provide universal functions that can be "attached" to any type of servlet or JSP page.

Interceptors are used in conjunction with Java EE managed classes to allow developers to invoke interceptor methods in conjunction with method invocations or lifecycle events on an associated target class. Common uses of interceptors are logging, auditing, or profiling.

Interceptors can be defined within a target class as an interceptor method, or in an associated class called an interceptor class. Interceptor classes contain methods that are invoked in conjunction with the methods or lifecycle events of the target class.

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