| /* |
| * 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; |
| |
| |
| /** |
| * Abstract implementation of Identifiable which provides equals() and |
| * hashCode() implementations which use the identifier to determine equality. |
| * The identifier comparison is case-sensitive. |
| */ |
| public abstract class AbstractIdentifiable implements Identifiable { |
| |
| /** |
| * The unique string which identifies this object. |
| */ |
| private String identifier; |
| |
| @Override |
| public String getIdentifier() { |
| return identifier; |
| } |
| |
| @Override |
| public void setIdentifier(String identifier) { |
| this.identifier = identifier; |
| } |
| |
| @Override |
| public int hashCode() { |
| |
| if (identifier == null) |
| return 0; |
| |
| return identifier.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| |
| // Not equal if null or not the same type of object |
| if (other == null || getClass() != other.getClass()) |
| return false; |
| |
| // Get identifier of other object |
| String otherIdentifier = ((AbstractIdentifiable) other).getIdentifier(); |
| |
| // If null, equal only if this identifier is null |
| if (otherIdentifier == null) |
| return identifier == null; |
| |
| // Otherwise, equal only if strings are identical |
| return otherIdentifier.equals(identifier); |
| |
| } |
| |
| } |