spring security JaasAuthenticationCallbackHandler 源码
spring security JaasAuthenticationCallbackHandler 代码
文件路径：/core/src/main/java/org/springframework/security/authentication/jaas/JaasAuthenticationCallbackHandler.java
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.authentication.jaas;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.springframework.security.core.Authentication;
/**
* The JaasAuthenticationCallbackHandler is similar to the
* javax.security.auth.callback.CallbackHandler interface in that it defines a handle
* method. The JaasAuthenticationCallbackHandler is only asked to handle one Callback
* instance at time rather than an array of all Callbacks, as the javax... CallbackHandler
* defines.
*
* <p>
* Before a JaasAuthenticationCallbackHandler is asked to 'handle' any callbacks, it is
* first passed the Authentication object that the login attempt is for. NOTE: The
* Authentication object has not been 'authenticated' yet.
* </p>
*
* @author Ray Krueger
* @see JaasNameCallbackHandler
* @see JaasPasswordCallbackHandler
* @see <a href=
* "https://java.sun.com/j2se/1.4.2/docs/api/javax/security/auth/callback/Callback.html">Callback</a>
* @see <a href=
* "https://java.sun.com/j2se/1.4.2/docs/api/javax/security/auth/callback/CallbackHandler.html">
* CallbackHandler</a>
*/
public interface JaasAuthenticationCallbackHandler {
/**
* Handle the <a href=
* "https://java.sun.com/j2se/1.4.2/docs/api/javax/security/auth/callback/Callback.html"
* >Callback</a>. The handle method will be called for every callback instance sent
* from the LoginContext. Meaning that The handle method may be called multiple times
* for a given JaasAuthenticationCallbackHandler.
* @param callback
* @param auth The Authentication object currently being authenticated.
*
*/
void handle(Callback callback, Authentication auth) throws IOException, UnsupportedCallbackException;
}
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