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 * FTPS-specific command 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 }