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