| /* |
| * 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; |
| |
| /** |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public interface DataConnectionFactory { |
| |
| /** |
| * Open an active data connection |
| * |
| * @return The open data connection |
| * @throws Exception |
| */ |
| DataConnection openConnection() throws Exception; |
| |
| /** |
| * Indicates whether the data socket created by this factory will be secure |
| * that is, running over SSL/TLS. |
| * |
| * @return true if the data socket will be secured |
| */ |
| |
| boolean isSecure(); |
| |
| /** |
| * Close data socket. If no open data connection exists, |
| * this will silently ignore the call. |
| */ |
| void closeDataConnection(); |
| |
| } |