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 */
16package org.mockftpserver.core.socket;
17
18import java.io.IOException;
19import java.net.ServerSocket;
20
21/**
22 * Test-only implementation of ServerSocketFactory. It always returns the predefined
23 * ServerSocket instance specified on the constructor.
24 *
25 * @version $Revision$ - $Date$
26 *
27 * @author Chris Mair
28 */
29public class StubServerSocketFactory implements ServerSocketFactory {
30    private StubServerSocket stubServerSocket;
31
32    /**
33     * Construct a new factory instance that always returns the specified
34     * ServerSocket instance.
35     * @param serverSocket - the ServerSocket instance to be returned by this factory
36     */
37    public StubServerSocketFactory(StubServerSocket serverSocket) {
38        this.stubServerSocket = serverSocket;
39    }
40
41    /**
42     * Return the predefined ServerSocket instance.
43     * @see org.mockftpserver.core.socket.ServerSocketFactory#createServerSocket(int)
44     */
45    public ServerSocket createServerSocket(int port) throws IOException {
46        return stubServerSocket;
47    }
48}