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 */
017
018 package org.apache.commons.net.ftp;
019
020 /**
021 * I acquire a command added in FTPS.
022 * @since 2.0
023 */
024 public final class FTPSCommand {
025 public static final int AUTH = 0;
026 public static final int ADAT = 1;
027 public static final int PBSZ = 2;
028 public static final int PROT = 3;
029 public static final int CCC = 4;
030
031 public static final int AUTHENTICATION_SECURITY_MECHANISM = AUTH;
032 public static final int AUTHENTICATION_SECURITY_DATA = ADAT;
033 public static final int PROTECTION_BUFFER_SIZE = PBSZ;
034 public static final int DATA_CHANNEL_PROTECTION_LEVEL = PROT;
035 public static final int CLEAR_COMMAND_CHANNEL = CCC;
036
037 static final String[] _commands = {"AUTH","ADAT","PBSZ","PROT","CCC"};
038
039 /**
040 * Retrieve the FTPS command string corresponding to a specified
041 * command code.
042 * <p>
043 * @param command The command code.
044 * @return The FTPS command string corresponding to a specified
045 * command code.
046 */
047 public static final String getCommand(int command) {
048 return _commands[command];
049 }
050 }