Showing the changes to java/pkg/java/nio/file/DirectoryIteratorException.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.nio.file; | ||
| 27 | |||
| 28 | import java.util.ConcurrentModificationException; | ||
| 29 | import java.util.Objects; | ||
| 30 | import java.io.IOException; | ||
| 31 | import java.io.ObjectInputStream; | ||
| 32 | import java.io.InvalidObjectException; | ||
| 33 | |||
| 34 | /** | ||
| 35 | * Runtime exception thrown if an I/O error is encountered when iterating over | ||
| 36 | * the entries in a directory. The I/O error is retrieved as an {@link | ||
| 37 | * IOException} using the {@link #getCause() getCause()} method. | ||
| 38 | * | ||
| 39 | * @since 1.7 | ||
| 40 | * @see DirectoryStream | ||
| 41 | */ | ||
| 42 | |||
| 43 | public final class DirectoryIteratorException | ||
| 44 | extends ConcurrentModificationException | ||
| 45 | { | ||
| 46 | private static final long serialVersionUID = -6012699886086212874L; | ||
| 47 | |||
| 48 | /** | ||
| 49 | * Constructs an instance of this class. | ||
| 50 | * | ||
| 51 | * @param cause | ||
| 52 | * the {@code IOException} that caused the directory iteration | ||
| 53 | * to fail | ||
| 54 | * | ||
| 55 | * @throws NullPointerException | ||
| 56 | * if the cause is {@code null} | ||
| 57 | */ | ||
| 58 | public DirectoryIteratorException(IOException cause) { | ||
| 59 | super(Objects.requireNonNull(cause)); | ||
| 60 | } | ||
| 61 | |||
| 62 | /** | ||
| 63 | * Returns the cause of this exception. | ||
| 64 | * | ||
| 65 | * @return the cause | ||
| 66 | */ | ||
| 67 | @Override | ||
| 68 | public IOException getCause() { | ||
| 69 | return (IOException)super.getCause(); | ||
| 70 | } | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Called to read the object from a stream. | ||
| 74 | * | ||
| 75 | * @throws InvalidObjectException | ||
| 76 | * if the object is invalid or has a cause that is not | ||
| 77 | * an {@code IOException} | ||
| 78 | */ | ||
| 79 | private void readObject(ObjectInputStream s) | ||
| 80 | throws IOException, ClassNotFoundException | ||
| 81 | { | ||
| 82 | s.defaultReadObject(); | ||
| 83 | Throwable cause = super.getCause(); | ||
| 84 | if (!(cause instanceof IOException)) | ||
| 85 | throw new InvalidObjectException("Cause must be an IOException"); | ||
| 86 | } | ||
| 87 | } | ||