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/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.client;
import java.util.Map;
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.HttpResponse;
import ch.boye.httpclientandroidlib.auth.AuthScheme;
import ch.boye.httpclientandroidlib.auth.AuthenticationException;
import ch.boye.httpclientandroidlib.auth.MalformedChallengeException;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
/**
/**
* A handler for determining if an HTTP response represents an authentication
* challenge that was sent back to the client as a result of authentication
* failure.
* <p>
* Implementations of this interface must be thread-safe. Access to shared
* data must be synchronized as methods of this interface may be executed
* from multiple threads.
*
* @since 4.0
*
* @deprecated (4.2) use {@link AuthenticationStrategy}
*/
@Deprecated
public interface AuthenticationHandler {
/**
* Determines if the given HTTP response response represents
* an authentication challenge that was sent back as a result
* of authentication failure
* @param response HTTP response.
* @param context HTTP context.
* @return <code>true</code> if user authentication is required,
* <code>false</code> otherwise.
*/
boolean isAuthenticationRequested(
HttpResponse response,
HttpContext context);
/**
* Extracts from the given HTTP response a collection of authentication
* challenges, each of which represents an authentication scheme supported
* by the authentication host.
*
* @param response HTTP response.
* @param context HTTP context.
* @return a collection of challenges keyed by names of corresponding
* authentication schemes.
* @throws MalformedChallengeException if one of the authentication
* challenges is not valid or malformed.
*/
Map<String, Header> getChallenges(
HttpResponse response,
HttpContext context) throws MalformedChallengeException;
/**
* Selects one authentication challenge out of all available and
* creates and generates {@link AuthScheme} instance capable of
* processing that challenge.
* @param challenges collection of challenges.
* @param response HTTP response.
* @param context HTTP context.
* @return authentication scheme to use for authentication.
* @throws AuthenticationException if an authentication scheme
* could not be selected.
*/
AuthScheme selectScheme(
Map<String, Header> challenges,
HttpResponse response,
HttpContext context) throws AuthenticationException;
}
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