| /* |
| * 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.ftpserver.ftplet; |
| |
| /** |
| * Interface for an authority granted to the user, typical example is write |
| * access or the number of concurrent logins |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public interface Authority { |
| |
| /** |
| * Indicates weather this Authority can authorize a certain request |
| * |
| * @param request |
| * The request to authorize |
| * @return True if the request can be authorized by this Authority |
| */ |
| boolean canAuthorize(AuthorizationRequest request); |
| |
| /** |
| * Authorize an {@link AuthorizationRequest}. |
| * |
| * @param request |
| * The {@link AuthorizationRequest} |
| * @return Returns a populated AuthorizationRequest as long as If |
| * {@link #canAuthorize(AuthorizationRequest)} returns true for the |
| * AuthorizationRequest, otherwise returns null. |
| * {@link #canAuthorize(AuthorizationRequest)} should always be checked before |
| * calling this method. |
| */ |
| AuthorizationRequest authorize(AuthorizationRequest request); |
| } |