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.net.util;
18
19 import java.security.cert.X509Certificate;
20
21 /**
22 * Constants provided as public only for our own implementation, you can consider this private for now.
23 *
24 * @since 3.8.0
25 */
26 public class NetConstants {
27
28 /**
29 * An empty immutable {@code String} array.
30 */
31 public static final String[] EMPTY_STRING_ARRAY = {};
32
33 /**
34 * An empty immutable {@code byte} array.
35 */
36 public static final byte[] EMPTY_BTYE_ARRAY = {};
37
38 /**
39 * An empty immutable {link X509Certificate} array.
40 */
41 public static final X509Certificate[] EMPTY_X509_CERTIFICATE_ARRAY = {};
42
43 /**
44 * The index value when the end of the stream has been reached {@code -1}.
45 *
46 * @since 3.9.0
47 */
48 public static final int EOS = -1;
49
50 /**
51 * Prevents instantiation.
52 */
53 private NetConstants() {
54 }
55 }