| /* |
| * 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.apache.guacamole.tunnel; |
| |
| import org.apache.guacamole.GuacamoleException; |
| import org.apache.guacamole.net.auth.ActiveConnection; |
| import org.apache.guacamole.net.auth.Connectable; |
| import org.apache.guacamole.net.auth.Connection; |
| import org.apache.guacamole.net.auth.ConnectionGroup; |
| import org.apache.guacamole.net.auth.UserContext; |
| |
| /** |
| * All supported object types that can be used as the destination of a tunnel. |
| * |
| * @see TunnelRequest#TYPE_PARAMETER |
| * @see TunnelRequest#getType() |
| */ |
| public enum TunnelRequestType { |
| |
| /** |
| * A Guacamole connection. |
| */ |
| CONNECTION("c", "connection") { |
| |
| @Override |
| public Connection getConnectable(UserContext userContext, |
| String identifier) throws GuacamoleException { |
| return userContext.getConnectionDirectory().get(identifier); |
| } |
| |
| }, |
| |
| /** |
| * A Guacamole connection group. |
| */ |
| CONNECTION_GROUP("g", "connection group") { |
| |
| @Override |
| public ConnectionGroup getConnectable(UserContext userContext, |
| String identifier) throws GuacamoleException { |
| return userContext.getConnectionGroupDirectory().get(identifier); |
| } |
| |
| }, |
| |
| /** |
| * An active Guacamole connection. |
| */ |
| ACTIVE_CONNECTION("a", "active connection") { |
| |
| @Override |
| public ActiveConnection getConnectable(UserContext userContext, |
| String identifier) throws GuacamoleException { |
| return userContext.getActiveConnectionDirectory().get(identifier); |
| } |
| |
| }; |
| |
| /** |
| * The parameter value which denotes a destination object of this type |
| * within a tunnel request. |
| * |
| * @see TunnelRequest#TYPE_PARAMETER |
| * @see TunnelRequest#getType() |
| */ |
| public final String PARAMETER_VALUE; |
| |
| /** |
| * A human-readable, descriptive name of the type of destination object. |
| */ |
| public final String NAME; |
| |
| /** |
| * Defines a tunnel request type having the given corresponding parameter |
| * value and human-readable name. |
| * |
| * @param value |
| * The parameter value which denotes a destination object of this |
| * type. |
| * |
| * @param name |
| * A human-readable, descriptive name of the type of destination |
| * object. |
| */ |
| private TunnelRequestType(String value, String name) { |
| PARAMETER_VALUE = value; |
| NAME = name; |
| } |
| |
| /** |
| * Retrieves the object having the given identifier from the given |
| * UserContext, where the type of object retrieved is the type of object |
| * represented by this tunnel request type. |
| * |
| * @param userContext |
| * The UserContext to retrieve the object from. |
| * |
| * @param identifier |
| * The identifier of the object to retrieve. |
| * |
| * @return |
| * The object having the given identifier, or null if no such object |
| * exists. |
| * |
| * @throws GuacamoleException |
| * If an error occurs retrieving the requested object, or if permission |
| * to retrieve the object is denied. |
| */ |
| public abstract Connectable getConnectable(UserContext userContext, |
| String identifier) throws GuacamoleException; |
| |
| /** |
| * Parses the given tunnel request type string, returning the |
| * TunnelRequestType which matches that string, as declared by |
| * {@link #PARAMETER_VALUE}. If no such type exists, null is returned. |
| * |
| * @param type |
| * The type string to parse. |
| * |
| * @return |
| * The TunnelRequestType which specifies the given string as its |
| * {@link #PARAMETER_VALUE}, or null if no such type exists. |
| */ |
| public static TunnelRequestType parseType(String type) { |
| |
| // Locate type with given parameter value |
| for (TunnelRequestType possibleType : values()) { |
| if (type.equals(possibleType.PARAMETER_VALUE)) |
| return possibleType; |
| } |
| |
| // No such type |
| return null; |
| |
| } |
| |
| } |