content: /*
   * Copyright (C) 2013 Glyptodon LLC
   * 
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  package org.glyptodon.guacamole.net.auth.simple;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Set;
  import org.glyptodon.guacamole.GuacamoleException;
  import org.glyptodon.guacamole.GuacamoleSecurityException;
  import org.glyptodon.guacamole.net.auth.Connection;
  import org.glyptodon.guacamole.net.auth.Directory;
  import org.glyptodon.guacamole.protocol.GuacamoleConfiguration;
  
  /**
   * An extremely simple read-only implementation of a Directory of
   * GuacamoleConfigurations which provides access to a pre-defined Map of
   * GuacamoleConfigurations.
   *
   * @author Michael Jumper
   */
  public class SimpleConnectionDirectory
      implements Directory<String, Connection> {
  
      /**
       * The Map of Connections to provide access to.
       */
      private Map<String, Connection> connections =
              new HashMap<String, Connection>();
  
      /**
       * Creates a new SimpleConnectionDirectory which provides
       * access to the configurations contained within the given Map.
       *
       * @param configs The Map of GuacamoleConfigurations to provide access to.
       */
      public SimpleConnectionDirectory(
              Map<String, GuacamoleConfiguration> configs) {
  
          // Create connections for each config
          for (Entry<String, GuacamoleConfiguration> entry : configs.entrySet())
              connections.put(entry.getKey(),
                      new SimpleConnection(entry.getKey(), entry.getKey(), 
                  entry.getValue()));
  
      }
  
      @Override
      public Connection get(String identifier)
              throws GuacamoleException {
          return connections.get(identifier);
      }
  
      @Override
      public Set<String> getIdentifiers() throws GuacamoleException {
          return connections.keySet();
      }
  
      @Override
      public void add(Connection connection)
              throws GuacamoleException {
          throw new GuacamoleSecurityException("Permission denied.");
      }
  
      @Override
      public void update(Connection connection)
              throws GuacamoleException {
          throw new GuacamoleSecurityException("Permission denied.");
      }
  
      @Override
      public void remove(String identifier) throws GuacamoleException {
          throw new GuacamoleSecurityException("Permission denied.");
      }
  
      @Override
      public void move(String identifier, Directory<String, Connection> directory) 
              throws GuacamoleException {
          throw new GuacamoleSecurityException("Permission denied.");
      }
      
      /**
       * An internal method for modifying the Connections in this Directory.
       * Returns the previous connection for the given identifier, if found.
       * 
       * @param connection The connection to add or update the Directory with.
       * @return The previous connection for the connection identifier, if found.
       */
      public Connection putConnection(Connection connection) {
          return connections.put(connection.getIdentifier(), connection);
      }
      
      /**
       * An internal method for removing a Connection from this Directory.
       * @param identifier The identifier of the Connection to remove.
       * @return The previous connection for the given identifier, if found.
       */
      public Connection removeConnection(String identifier) {
          return connections.remove(identifier);
      }
  
  }
  