| /* |
| * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| |
| /** |
| * Implemented by closeable objects which might be able to report |
| * an error when closed due to exceptional conditions. |
| */ |
| public interface ExceptionallyCloseable extends Closeable { |
| |
| /** |
| * Called when an instance of {@code ExceptionallyCloseable} is closed |
| * due to some exceptional condition revealed by {@code cause}. |
| * |
| * @implSpec The default implementation of this method simply calls |
| * {@link #close()}. Implementation of this interface are |
| * suppose to override this method in order to ensure that |
| * the cause is properly reported. |
| * |
| * @param cause The reason for which the object is closed. |
| * @throws IOException if {@link #close()} fails. |
| */ |
| public default void closeExceptionally(Throwable cause) throws IOException { |
| close(); |
| } |
| |
| public static void close(Throwable t, Closeable c) throws IOException { |
| if (c instanceof ExceptionallyCloseable) { |
| ((ExceptionallyCloseable)c).closeExceptionally(t); |
| } else { |
| c.close(); |
| } |
| } |
| } |