/*
    * Copyright 2008 Web Cohesion
    *
    * Licensed 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
    *
    *   https://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.
   */
  
  package org.springframework.security.oauth2.provider.client;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.springframework.security.oauth2.provider.ClientDetails;
  import org.springframework.security.oauth2.provider.ClientDetailsService;
  import org.springframework.security.oauth2.provider.ClientRegistrationException;
  import org.springframework.security.oauth2.provider.NoSuchClientException;
  
  /**
   * Basic, in-memory implementation of the client details service.
   *
   * @author Ryan Heaton
   */
  public class InMemoryClientDetailsService implements ClientDetailsService {
  
    private Map<String, ClientDetails> clientDetailsStore = new HashMap<String, ClientDetails>();
  
    public ClientDetails loadClientByClientId(String clientId) throws ClientRegistrationException {
      ClientDetails details = clientDetailsStore.get(clientId);
      if (details == null) {
        throw new NoSuchClientException("No client with requested id: " + clientId);
      }
      return details;
    }
  
    public void setClientDetailsStore(Map<String, ? extends ClientDetails> clientDetailsStore) {
      this.clientDetailsStore = new HashMap<String, ClientDetails>(clientDetailsStore);
    }
  
  }