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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/CredentialsProvider.java $
      3  * $Revision: 558124 $
      4  * $Date: 2007-07-20 13:36:47 -0700 (Fri, 20 Jul 2007) $
      5  *
      6  * ====================================================================
      7  *
      8  *  Licensed to the Apache Software Foundation (ASF) under one or more
      9  *  contributor license agreements.  See the NOTICE file distributed with
     10  *  this work for additional information regarding copyright ownership.
     11  *  The ASF licenses this file to You under the Apache License, Version 2.0
     12  *  (the "License"); you may not use this file except in compliance with
     13  *  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, software
     18  *  distributed under the License is distributed on an "AS IS" BASIS,
     19  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     20  *  See the License for the specific language governing permissions and
     21  *  limitations under the License.
     22  * ====================================================================
     23  *
     24  * This software consists of voluntary contributions made by many
     25  * individuals on behalf of the Apache Software Foundation.  For more
     26  * information on the Apache Software Foundation, please see
     27  * <http://www.apache.org/>.
     28  *
     29  */
     30 
     31 package org.apache.http.client;
     32 
     33 import org.apache.http.auth.AuthScope;
     34 import org.apache.http.auth.Credentials;
     35 
     36 /**
     37  * Abstract credentials provider.
     38  *
     39  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
     40  *
     41  * @since 4.0
     42  */
     43 public interface CredentialsProvider {
     44 
     45     /**
     46      * Sets the {@link Credentials credentials} for the given authentication
     47      * scope. Any previous credentials for the given scope will be overwritten.
     48      *
     49      * @param authscope the {@link AuthScope authentication scope}
     50      * @param credentials the authentication {@link Credentials credentials}
     51      * for the given scope.
     52      *
     53      * @see #getCredentials(AuthScope)
     54      */
     55     void setCredentials(AuthScope authscope, Credentials credentials);
     56 
     57     /**
     58      * Get the {@link Credentials credentials} for the given authentication scope.
     59      *
     60      * @param authscope the {@link AuthScope authentication scope}
     61      * @return the credentials
     62      *
     63      * @see #setCredentials(AuthScope, Credentials)
     64      */
     65     Credentials getCredentials(AuthScope authscope);
     66 
     67     /**
     68      * Clears all credentials.
     69      */
     70     void clear();
     71 
     72 }
     73