1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.vfs2;
18
19 /**
20 * An enumerated type for file name scope, used when resolving a name relative to a file.
21 */
22 public enum NameScope {
23
24 /**
25 * Resolve against the children of the base file. The name is resolved as described by {@link #FILE_SYSTEM}.
26 * However, an exception is thrown if the resolved file is not a direct child of the base file.
27 */
28 CHILD("child"),
29
30 /**
31 * Resolve against the descendants of the base file. The name is resolved as described by {@link #FILE_SYSTEM}.
32 * However, an exception is thrown if the resolved file is not a descendent of the base file.
33 */
34 DESCENDENT("descendent"),
35
36 /**
37 * Resolve against the descendants of the base file. The name is resolved as described by {@link #FILE_SYSTEM}.
38 * However, an exception is thrown if the resolved file is not a descendent of the base file, or the base files
39 * itself.
40 */
41 DESCENDENT_OR_SELF("descendent_or_self"),
42
43 /**
44 * Resolve against files in the same file system as the base file.
45 * <p>
46 * If the supplied name is an absolute path, then it is resolved relative to the root of the file system that the
47 * base file belongs to. If a relative name is supplied, then it is resolved relative to the base file.
48 * </p>
49 * <p>
50 * The path may use any mix of {@code /}, {@code \}, or file system specific separators to separate elements in the
51 * path. It may also contain {@code .} and {@code ..} elements.
52 * </p>
53 * <p>
54 * A path is considered absolute if it starts with a separator character, and relative if it does not.
55 * </p>
56 */
57 FILE_SYSTEM("filesystem");
58
59 /** The name */
60 private final String realName;
61
62 NameScope(final String name) {
63 realName = name;
64 }
65
66 /**
67 * Returns the name of the scope.
68 *
69 * @return The name of the scope.
70 */
71 public String getName() {
72 return realName;
73 }
74
75 /**
76 * Returns the name of the scope.
77 *
78 * @return The name of the scope.
79 */
80 @Override
81 public String toString() {
82 return realName;
83 }
84 }