/*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You 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
*
* http : //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.apache.catalina;
import java.io.IOException;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.catalina.connector.Request;
/**
* An < b > Authenticator < / b > is a component ( usually a Valve or Container ) that
* provides some sort of authentication service .
*
* @ author Craig R . McClanahan
*/
public interface Authenticator {
/**
* Authenticate the user making this request , based on the login
* configuration of the { @ link Context } with which this Authenticator is
* associated .
*
* @ param request Request we are processing
* @ param response Response we are populating
*
* @ return < code > true < / code > if any specified constraints have been
* satisfied , or < code > false < / code > if one more constraints were not
* satisfied ( in which case an authentication challenge will have
* been written to the response ) .
*
* @ exception IOException if an input / output error occurs
*/
boolean authenticate(Request request, HttpServletResponse response)
throws IOException;
void login(String userName, String password, Request request)
throws ServletException;
void logout(Request request);
}
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