Showing the changes to java/pkg/java/nio/file/StandardWatchEventKinds.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,94 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2007, 2009, 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 | /** | ||
| 29 | * Defines the <em>standard</em> event kinds. | ||
| 30 | * | ||
| 31 | * @since 1.7 | ||
| 32 | */ | ||
| 33 | |||
| 34 | public final class StandardWatchEventKinds { | ||
| 35 | private StandardWatchEventKinds() { } | ||
| 36 | |||
| 37 | /** | ||
| 38 | * A special event to indicate that events may have been lost or | ||
| 39 | * discarded. | ||
| 40 | * | ||
| 41 | * <p> The {@link WatchEvent#context context} for this event is | ||
| 42 | * implementation specific and may be {@code null}. The event {@link | ||
| 43 | * WatchEvent#count count} may be greater than {@code 1}. | ||
| 44 | * | ||
| 45 | * @see WatchService | ||
| 46 | */ | ||
| 47 | public static final WatchEvent.Kind<Object> OVERFLOW = | ||
| 48 | new StdWatchEventKind<Object>("OVERFLOW", Object.class); | ||
| 49 | |||
| 50 | /** | ||
| 51 | * Directory entry created. | ||
| 52 | * | ||
| 53 | * <p> When a directory is registered for this event then the {@link WatchKey} | ||
| 54 | * is queued when it is observed that an entry is created in the directory | ||
| 55 | * or renamed into the directory. The event {@link WatchEvent#count count} | ||
| 56 | * for this event is always {@code 1}. | ||
| 57 | */ | ||
| 58 | public static final WatchEvent.Kind<Path> ENTRY_CREATE = | ||
| 59 | new StdWatchEventKind<Path>("ENTRY_CREATE", Path.class); | ||
| 60 | |||
| 61 | /** | ||
| 62 | * Directory entry deleted. | ||
| 63 | * | ||
| 64 | * <p> When a directory is registered for this event then the {@link WatchKey} | ||
| 65 | * is queued when it is observed that an entry is deleted or renamed out of | ||
| 66 | * the directory. The event {@link WatchEvent#count count} for this event | ||
| 67 | * is always {@code 1}. | ||
| 68 | */ | ||
| 69 | public static final WatchEvent.Kind<Path> ENTRY_DELETE = | ||
| 70 | new StdWatchEventKind<Path>("ENTRY_DELETE", Path.class); | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Directory entry modified. | ||
| 74 | * | ||
| 75 | * <p> When a directory is registered for this event then the {@link WatchKey} | ||
| 76 | * is queued when it is observed that an entry in the directory has been | ||
| 77 | * modified. The event {@link WatchEvent#count count} for this event is | ||
| 78 | * {@code 1} or greater. | ||
| 79 | */ | ||
| 80 | public static final WatchEvent.Kind<Path> ENTRY_MODIFY = | ||
| 81 | new StdWatchEventKind<Path>("ENTRY_MODIFY", Path.class); | ||
| 82 | |||
| 83 | private static class StdWatchEventKind<T> implements WatchEvent.Kind<T> { | ||
| 84 | private final String name; | ||
| 85 | private final Class<T> type; | ||
| 86 | StdWatchEventKind(String name, Class<T> type) { | ||
| 87 | this.name = name; | ||
| 88 | this.type = type; | ||
| 89 | } | ||
| 90 | @Override public String name() { return name; } | ||
| 91 | @Override public Class<T> type() { return type; } | ||
| 92 | @Override public String toString() { return name; } | ||
| 93 | } | ||
| 94 | } | ||