content: /*
   * 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.
   */
  package org.acme.websocket;
  
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  import io.quarkus.runtime.annotations.RegisterForReflection;
  import jakarta.inject.Singleton;
  
  @Singleton
  @RegisterForReflection
  public class SessionManager {
      private final Map<String, String> SESSIONS = new ConcurrentHashMap<>();
  
      public void startSession(String userName, String connectionKey) {
          SESSIONS.put(userName.toLowerCase(), connectionKey);
      }
  
      public void endSession(String userName) {
          SESSIONS.remove(userName.toLowerCase());
      }
  
      public String getConnectionKey(String userName) {
          return SESSIONS.get(userName.toLowerCase());
      }
  
      public boolean isSessionExists(String userName) {
          return SESSIONS.containsKey(userName.toLowerCase());
      }
  
      public String[] getAllConnectedUsers() {
          String[] connectedUsers = new String[SESSIONS.size()];
          int index = 0;
          for (String userName : SESSIONS.keySet()) {
              connectedUsers[index++] = userName;
          }
          return connectedUsers;
      }
  }
  