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      1 /*
      2  * Copyright 2007 the original author or authors.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package org.mockftpserver.core.socket;
     17 
     18 import java.io.IOException;
     19 import java.net.ServerSocket;
     20 
     21 /**
     22  * Interface for factory that creates new {@link ServerSocket} instances.
     23  * Using this abstraction enables unit testing.
     24  *
     25  * @version $Revision$ - $Date$
     26  *
     27  * @author Chris Mair
     28  */
     29 public interface ServerSocketFactory {
     30 
     31     /**
     32      * Create a new ServerSocket for the specified port
     33      * @param port - the port
     34      * @return a new ServerSocket
     35      * @throws IOException
     36      */
     37     public ServerSocket createServerSocket(int port) throws IOException;
     38 }