1 /* 2 * Copyright (C) 2015 The Android Open Source Project 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 17 package tests.net; 18 19 import java.io.IOException; 20 import java.net.InetAddress; 21 import java.net.Socket; 22 import java.net.UnknownHostException; 23 import javax.net.SocketFactory; 24 25 /** 26 * {@link SocketFactory} which delegates all invocations to the provided delegate 27 * {@code SocketFactory}. 28 */ 29 public class DelegatingSocketFactory extends SocketFactory { 30 31 private final SocketFactory mDelegate; 32 33 public DelegatingSocketFactory(SocketFactory delegate) { 34 this.mDelegate = delegate; 35 } 36 37 /** 38 * Invoked after obtaining a socket from the delegate and before returning it to the caller. 39 * 40 * <p>The default implementation does nothing. 41 */ 42 protected Socket configureSocket(Socket socket) throws IOException { 43 return socket; 44 } 45 46 @Override 47 public Socket createSocket() throws IOException { 48 Socket socket = mDelegate.createSocket(); 49 return configureSocket(socket); 50 } 51 52 @Override 53 public Socket createSocket(String host, int port) throws IOException, UnknownHostException { 54 Socket socket = mDelegate.createSocket(host, port); 55 return configureSocket(socket); 56 } 57 58 @Override 59 public Socket createSocket(String host, int port, InetAddress localHost, int localPort) 60 throws IOException, UnknownHostException { 61 Socket socket = mDelegate.createSocket(host, port, localHost, localPort); 62 return configureSocket(socket); 63 } 64 65 @Override 66 public Socket createSocket(InetAddress host, int port) throws IOException { 67 Socket socket = mDelegate.createSocket(host, port); 68 return configureSocket(socket); 69 } 70 71 @Override 72 public Socket createSocket(InetAddress address, int port, InetAddress localAddress, 73 int localPort) throws IOException { 74 Socket socket = mDelegate.createSocket(address, port, localAddress, localPort); 75 return configureSocket(socket); 76 } 77 } 78
