| /* |
| * Copyright (c) 2010, 2011, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package java.nio.file; |
| |
| import java.util.ConcurrentModificationException; |
| import java.util.Objects; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.InvalidObjectException; |
| |
| /** |
| * Runtime exception thrown if an I/O error is encountered when iterating over |
| * the entries in a directory. The I/O error is retrieved as an {@link |
| * IOException} using the {@link #getCause() getCause()} method. |
| * |
| * @since 1.7 |
| * @see DirectoryStream |
| */ |
| |
| public final class DirectoryIteratorException |
| extends ConcurrentModificationException |
| { |
| private static final long serialVersionUID = -6012699886086212874L; |
| |
| /** |
| * Constructs an instance of this class. |
| * |
| * @param cause |
| * the {@code IOException} that caused the directory iteration |
| * to fail |
| * |
| * @throws NullPointerException |
| * if the cause is {@code null} |
| */ |
| public DirectoryIteratorException(IOException cause) { |
| super(Objects.requireNonNull(cause)); |
| } |
| |
| /** |
| * Returns the cause of this exception. |
| * |
| * @return the cause |
| */ |
| @Override |
| public IOException getCause() { |
| return (IOException)super.getCause(); |
| } |
| |
| /** |
| * Called to read the object from a stream. |
| * |
| * @throws InvalidObjectException |
| * if the object is invalid or has a cause that is not |
| * an {@code IOException} |
| */ |
| private void readObject(ObjectInputStream s) |
| throws IOException, ClassNotFoundException |
| { |
| s.defaultReadObject(); |
| Throwable cause = super.getCause(); |
| if (!(cause instanceof IOException)) |
| throw new InvalidObjectException("Cause must be an IOException"); |
| } |
| } |