001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.net.util;
018
019import java.security.cert.X509Certificate;
020
021/**
022 * Constants provided as public only for our own implementation, you can consider this private for now.
023 *
024 * @since 3.8.0
025 */
026public class NetConstants {
027
028    /**
029     * An empty immutable {@code String} array.
030     */
031    public static final String[] EMPTY_STRING_ARRAY = {};
032
033    /**
034     * An empty immutable {@code byte} array.
035     */
036    public static final byte[] EMPTY_BTYE_ARRAY = {};
037
038    /**
039     * An empty immutable {link X509Certificate} array.
040     */
041    public static final X509Certificate[] EMPTY_X509_CERTIFICATE_ARRAY = {};
042
043    /**
044     * The index value when the end of the stream has been reached {@code -1}.
045     *
046     * @since 3.9.0
047     */
048    public static final int EOS = -1;
049
050    /**
051     * Prevents instantiation.
052     */
053    private NetConstants() {
054    }
055}