1/* 2 * Copyright (C) 2010 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 17package libcore.io; 18 19import java.io.InterruptedIOException; 20import java.net.Socket; 21 22public final class IoUtils { 23 private IoUtils() {} 24 25 /** 26 * Closes 'closeable', ignoring any checked exceptions. Does nothing if 'closeable' is null. 27 */ 28 public static void closeQuietly(AutoCloseable closeable) { 29 if (closeable != null) { 30 try { 31 closeable.close(); 32 } catch (RuntimeException rethrown) { 33 throw rethrown; 34 } catch (Exception ignored) { 35 } 36 } 37 } 38 39 /** 40 * Closes 'socket', ignoring any exceptions. Does nothing if 'socket' is null. 41 */ 42 public static void closeQuietly(Socket socket) { 43 if (socket != null) { 44 try { 45 socket.close(); 46 } catch (Exception ignored) { 47 } 48 } 49 } 50 51 public static void throwInterruptedIoException() throws InterruptedIOException { 52 // This is typically thrown in response to an 53 // InterruptedException which does not leave the thread in an 54 // interrupted state, so explicitly interrupt here. 55 Thread.currentThread().interrupt(); 56 // TODO: set InterruptedIOException.bytesTransferred 57 throw new InterruptedIOException(); 58 } 59} 60