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 18 package org.apache.commons.net.ftp; 19 20 /** 21 * I acquire a command added in FTPS. 22 * @since 2.0 23 */ 24 public final class FTPSCommand { 25 public static final int AUTH = 0; 26 public static final int ADAT = 1; 27 public static final int PBSZ = 2; 28 public static final int PROT = 3; 29 public static final int CCC = 4; 30 31 public static final int AUTHENTICATION_SECURITY_MECHANISM = AUTH; 32 public static final int AUTHENTICATION_SECURITY_DATA = ADAT; 33 public static final int PROTECTION_BUFFER_SIZE = PBSZ; 34 public static final int DATA_CHANNEL_PROTECTION_LEVEL = PROT; 35 public static final int CLEAR_COMMAND_CHANNEL = CCC; 36 37 static final String[] _commands = {"AUTH","ADAT","PBSZ","PROT","CCC"}; 38 39 /** 40 * Retrieve the FTPS command string corresponding to a specified 41 * command code. 42 * <p> 43 * @param command The command code. 44 * @return The FTPS command string corresponding to a specified 45 * command code. 46 */ 47 public static final String getCommand(int command) { 48 return _commands[command]; 49 } 50 }