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 | +} | |