1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 package org.apache.http.client; 28 29 import org.apache.http.HttpHost; 30 import org.apache.http.auth.AuthScheme; 31 32 /** 33 * Abstract {@link AuthScheme} cache. Initialized {@link AuthScheme} objects 34 * from this cache can be used to preemptively authenticate against known 35 * hosts. 36 * 37 * @since 4.1 38 */ 39 public interface AuthCache { 40 41 void put(HttpHost host, AuthScheme authScheme); 42 43 AuthScheme get(HttpHost host); 44 45 void remove(HttpHost host); 46 47 void clear(); 48 49 }