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.io.InputStream; 20import java.io.OutputStream; 21import java.net.InetAddress; 22import java.net.Socket; 23 24/** 25 * Test (fake) subclass of Socket that performs no network access and allows setting the 26 * inputStream and OutputStream for the socket. 27 * 28 * @version $Revision$ - $Date$ 29 * 30 * @author Chris Mair 31 */ 32public final class StubSocket extends Socket { 33 34 private InetAddress inetAddress; 35 private InetAddress localAddress; 36 private InputStream inputStream; 37 private OutputStream outputStream; 38 39 /** 40 * Construct a new instance using the specified InputStream and OutputStream 41 * @param inputStream - the InputStream to use 42 * @param outputStream - the OutputStream to use 43 */ 44 public StubSocket(InputStream inputStream, OutputStream outputStream) { 45 this(null, inputStream, outputStream); 46 } 47 48 /** 49 * Construct a new instance using the specified host, InputStream and OutputStream 50 * @param inetAddress - the InetAddress for this socket 51 * @param inputStream - the InputStream to use 52 * @param outputStream - the OutputStream to use 53 */ 54 public StubSocket(InetAddress inetAddress, InputStream inputStream, OutputStream outputStream) { 55 this.inetAddress = inetAddress; 56 this.inputStream = inputStream; 57 this.outputStream = outputStream; 58 } 59 60 /** 61 * Override the superclass implementation. If the local inetAddress is not null, 62 * return that. Otherwise return super.getInetAddress(). 63 * @see java.net.Socket#getInetAddress() 64 */ 65 public InetAddress getInetAddress() { 66 return (inetAddress != null) ? inetAddress : super.getInetAddress(); 67 } 68 69 /** 70 * Override the superclass implementation. If the local localAddress is not 71 * null, return that. Otherwise return super.getLocalAddress(); 72 * @see java.net.Socket#getLocalAddress() 73 */ 74 public InetAddress getLocalAddress() { 75 return (localAddress != null) ? localAddress : super.getLocalAddress(); 76 } 77 78 /** 79 * Override the superclass implementation to provide the predefined InputStream 80 * @see java.net.Socket#getInputStream() 81 */ 82 public InputStream getInputStream() throws IOException { 83 return inputStream; 84 } 85 86 /** 87 * Override the superclass implementation to provide the predefined OutputStream 88 * @see java.net.Socket#getOutputStream() 89 */ 90 public OutputStream getOutputStream() throws IOException { 91 return outputStream; 92 } 93 94 //------------------------------------------------------------------------- 95 // Test-specific helper methods 96 //------------------------------------------------------------------------- 97 98 public void _setLocalAddress(InetAddress localAddress) { 99 this.localAddress = localAddress; 100 } 101} 102