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.util;
18
19 /**
20 * An enumerated type representing the modes of a random access content.
21 */
22 public enum RandomAccessMode {
23
24 /**
25 * read.
26 */
27 READ(true, false),
28
29 /**
30 * read/write.
31 */
32 READWRITE(true, true);
33
34 private final boolean read;
35 private final boolean write;
36
37 RandomAccessMode(final boolean read, final boolean write) {
38 this.read = read;
39 this.write = write;
40 }
41
42 public boolean requestRead() {
43 return read;
44 }
45
46 public boolean requestWrite() {
47 return write;
48 }
49
50 /**
51 * @return The mode String.
52 * @since 2.0
53 */
54 public String getModeString() {
55 if (requestRead()) {
56 if (requestWrite()) {
57 return "rw"; // NON-NLS
58 }
59 return "r"; // NON-NLS
60 }
61 if (requestWrite()) {
62 return "w"; // NON-NLS
63 }
64
65 return "";
66 }
67 }