Java tutorial
/* * ==================================================================== * 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 org.apache.http.client; import org.apache.http.auth.AuthScope; import org.apache.http.auth.Credentials; /** * Abstract credentials provider that maintains a collection of user * credentials. * <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 */ public interface CredentialsProvider { /** * Sets the {@link Credentials credentials} for the given authentication * scope. Any previous credentials for the given scope will be overwritten. * * @param authscope the {@link AuthScope authentication scope} * @param credentials the authentication {@link Credentials credentials} * for the given scope. * * @see #getCredentials(AuthScope) */ void setCredentials(AuthScope authscope, Credentials credentials); /** * Get the {@link Credentials credentials} for the given authentication scope. * * @param authscope the {@link AuthScope authentication scope} * @return the credentials * * @see #setCredentials(AuthScope, Credentials) */ Credentials getCredentials(AuthScope authscope); /** * Clears all credentials. */ void clear(); }