| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.io; |
| |
| import java.io.Closeable; |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.Socket; |
| |
| public final class IoUtils { |
| private IoUtils() { |
| } |
| |
| /** |
| * Closes 'closeable', ignoring any checked exceptions. Does nothing if 'closeable' is null. |
| */ |
| public static void closeQuietly(Closeable closeable) { |
| if (closeable != null) { |
| try { |
| closeable.close(); |
| } catch (RuntimeException rethrown) { |
| throw rethrown; |
| } catch (Exception ignored) { |
| } |
| } |
| } |
| |
| /** |
| * Closes 'socket', ignoring any exceptions. Does nothing if 'socket' is null. |
| */ |
| public static void closeQuietly(Socket socket) { |
| if (socket != null) { |
| try { |
| socket.close(); |
| } catch (Exception ignored) { |
| } |
| } |
| } |
| |
| /** |
| * Recursively delete everything in {@code dir}. |
| */ |
| // TODO: this should specify paths as Strings rather than as Files |
| public static void deleteContents(File dir) throws IOException { |
| File[] files = dir.listFiles(); |
| if (files == null) { |
| throw new IllegalArgumentException("not a directory: " + dir); |
| } |
| for (File file : files) { |
| if (file.isDirectory()) { |
| deleteContents(file); |
| } |
| if (!file.delete()) { |
| throw new IOException("failed to delete file: " + file); |
| } |
| } |
| } |
| } |