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Network Authentication

Network Authentication

Question:
The new java.net.Authenticator class in JDK 1.2 seems to be the answer to generalized user-authentication. Why dogetPasswordAuthentication andrequestPasswordAuthentication both return PasswordAuthentication, butrequestPasswordAuthentication requires a security check?

Answer:
The getPasswordAuthentication method is a protected member function. It is overridden by a subclass to implement the actual user name and password retrieval. The requestPasswordAuthentication method is a static method that performs a SecurityManager check before calling getPasswordAuthentication() using the currently registered Authenticator. Applications should use requestPasswordAuthentication, whereas authentication implementors should subclass Authenticator and implementgetPasswordAuthentication().

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