1 /* 2 * Copyright 2008 Web Cohesion 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.springframework.security.oauth2.provider; 18 19 20 /** 21 * A service that provides the details about an OAuth2 client. 22 * 23 * @author Ryan Heaton 24 */ 25 public interface ClientDetailsService { 26 27 /** 28 * Load a client by the client id. This method must not return null. 29 * 30 * @param clientId The client id. 31 * @return The client details (never null). 32 * @throws ClientRegistrationException If the client account is locked, expired, disabled, or invalid for any other reason. 33 */ 34 ClientDetails loadClientByClientId(String clientId) throws ClientRegistrationException; 35 36 }