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      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/AuthenticationHandler.java $
      3  * $Revision: 603318 $
      4  * $Date: 2007-12-11 10:06:50 -0800 (Tue, 11 Dec 2007) $
      5  *
      6  * ====================================================================
      7  * Licensed to the Apache Software Foundation (ASF) under one
      8  * or more contributor license agreements.  See the NOTICE file
      9  * distributed with this work for additional information
     10  * regarding copyright ownership.  The ASF licenses this file
     11  * to you under the Apache License, Version 2.0 (the
     12  * "License"); you may not use this file except in compliance
     13  * with the License.  You may obtain a copy of the License at
     14  *
     15  *   http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing,
     18  * software distributed under the License is distributed on an
     19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     20  * KIND, either express or implied.  See the License for the
     21  * specific language governing permissions and limitations
     22  * under the License.
     23  * ====================================================================
     24  *
     25  * This software consists of voluntary contributions made by many
     26  * individuals on behalf of the Apache Software Foundation.  For more
     27  * information on the Apache Software Foundation, please see
     28  * <http://www.apache.org/>.
     29  *
     30  */
     31 
     32 package org.apache.http.client;
     33 
     34 import java.util.Map;
     35 
     36 import org.apache.http.Header;
     37 import org.apache.http.HttpResponse;
     38 import org.apache.http.auth.AuthScheme;
     39 import org.apache.http.auth.AuthenticationException;
     40 import org.apache.http.auth.MalformedChallengeException;
     41 import org.apache.http.protocol.HttpContext;
     42 
     43 /**
     44  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
     45  */
     46 public interface AuthenticationHandler {
     47 
     48     boolean isAuthenticationRequested(
     49             HttpResponse response,
     50             HttpContext context);
     51 
     52     Map<String, Header> getChallenges(
     53             HttpResponse response,
     54             HttpContext context) throws MalformedChallengeException;
     55 
     56     AuthScheme selectScheme(
     57             Map<String, Header> challenges,
     58             HttpResponse response,
     59             HttpContext context) throws AuthenticationException;
     60 
     61 }
     62