1 /* 2 * Copyright (C) 2023 Google Inc. 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 com.squareup.okhttp.mockwebserver; 17 18 import java.util.concurrent.CountDownLatch; 19 import java.util.function.Consumer; 20 21 /** 22 * Utility class for registering as a listener to {@link MockResponse#setSocketShutdownListener}. 23 * 24 * An instance will wait for a single shutdown callback. Once triggered, the listener will stay in a 25 * "shutdown occurred" state. 26 * 27 * @see SocketPolicy 28 */ 29 public class SocketShutdownListener implements Consumer<SocketPolicy> { 30 31 final CountDownLatch shutdownLatch = new CountDownLatch(1); 32 33 @Override accept(SocketPolicy reason)34 public void accept(SocketPolicy reason) { 35 shutdownLatch.countDown(); 36 } 37 waitForSocketShutdown()38 public void waitForSocketShutdown() { 39 try { 40 shutdownLatch.await(); 41 } catch (InterruptedException e) { 42 } 43 } 44 } 45