/**
 * Copyright (C) 2013-2015 all@code-story.net
 *
 * 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
 *
 *         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
 */
package net.codestory.http.security;

import java.util.*;
import java.util.concurrent.*;

public interface SessionIdStore {
  void put(String sessionId, String login);

  void remove(String sessionId);

  String getLogin(String sessionId);

  static SessionIdStore inMemory() {
    return new SessionIdStore() {
      private final Map<String, String> sessionIds = new ConcurrentHashMap<>();

      @Override
      public void put(String sessionId, String login) {
        sessionIds.put(sessionId, login);
      }

      @Override
      public void remove(String sessionId) {
        sessionIds.remove(sessionId);
      }

      @Override
      public String getLogin(String sessionId) {
        return sessionIds.get(sessionId);
      }
    };
  }
}
