| /* |
| * 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.net.auth.simple; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import org.apache.guacamole.GuacamoleException; |
| import org.apache.guacamole.GuacamoleSecurityException; |
| import org.apache.guacamole.net.auth.RelatedObjectSet; |
| |
| /** |
| * A read-only implementation of RelatedObjectSet which uses a backing Set |
| * of identifiers to determine which objects are present. |
| */ |
| public class SimpleRelatedObjectSet implements RelatedObjectSet { |
| |
| /** |
| * A set containing the identifiers of all objects currently present. |
| */ |
| private Set<String> identifiers = Collections.emptySet(); |
| |
| /** |
| * Creates a new empty SimpleRelatedObjectSet. If you are not extending |
| * SimpleRelatedObjectSet and only need an immutable, empty |
| * RelatedObjectSet, consider using {@link RelatedObjectSet#EMPTY_SET} |
| * instead. |
| */ |
| public SimpleRelatedObjectSet() { |
| } |
| |
| /** |
| * Creates a new SimpleRelatedObjectSet which contains the objects having |
| * the identifiers within the given Set. The given Set backs the contents |
| * of the new SimpleRelatedObjectSet. While the SimpleRelatedObjectSet is |
| * read-only, any changes to the underlying Set will be reflected in the |
| * SimpleRelatedObjectSet. |
| * |
| * @param identifiers |
| * The Set containing the identifiers of all objects which should be |
| * present within the new SimpleRelatedObjectSet. |
| */ |
| public SimpleRelatedObjectSet(Set<String> identifiers) { |
| this.identifiers = identifiers; |
| } |
| |
| /** |
| * Replaces the Set of object identifiers which backs this |
| * SimpleRelatedObjectSet. Future function calls on this |
| * SimpleRelatedObjectSet will instead use the provided Set. |
| * |
| * @param identifiers |
| * The Set containing the identifiers of all objects which should be |
| * present within this SimpleRelatedObjectSet. |
| */ |
| protected void setObjects(Set<String> identifiers) { |
| this.identifiers = identifiers; |
| } |
| |
| @Override |
| public Set<String> getObjects() { |
| return identifiers; |
| } |
| |
| @Override |
| public void addObjects(Set<String> identifiers) throws GuacamoleException { |
| throw new GuacamoleSecurityException("Permission denied."); |
| } |
| |
| @Override |
| public void removeObjects(Set<String> identifiers) throws GuacamoleException { |
| throw new GuacamoleSecurityException("Permission denied."); |
| } |
| |
| } |