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The source code

/*
 * Copyright 2001-2004 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.net.ftp;

/***
 * FTPCommand stores a set of constants for FTP command codes.  To interpret
 * the meaning of the codes, familiarity with RFC 959 is assumed.
 * The mnemonic constant names are transcriptions from the code descriptions
 * of RFC 959.  For those who think in terms of the actual FTP commands,
 * a set of constants such as  USER  are provided
 * where the constant name is the same as the FTP command.
 * 

*

* @author Daniel F. Savarese ***/ public final class FTPCommand { public static final int USER = 0; public static final int PASS = 1; public static final int ACCT = 2; public static final int CWD = 3; public static final int CDUP = 4; public static final int SMNT = 5; public static final int REIN = 6; public static final int QUIT = 7; public static final int PORT = 8; public static final int PASV = 9; public static final int TYPE = 10; public static final int STRU = 11; public static final int MODE = 12; public static final int RETR = 13; public static final int STOR = 14; public static final int STOU = 15; public static final int APPE = 16; public static final int ALLO = 17; public static final int REST = 18; public static final int RNFR = 19; public static final int RNTO = 20; public static final int ABOR = 21; public static final int DELE = 22; public static final int RMD = 23; public static final int MKD = 24; public static final int PWD = 25; public static final int LIST = 26; public static final int NLST = 27; public static final int SITE = 28; public static final int SYST = 29; public static final int STAT = 30; public static final int HELP = 31; public static final int NOOP = 32; public static final int USERNAME = USER; public static final int PASSWORD = PASS; public static final int ACCOUNT = ACCT; public static final int CHANGE_WORKING_DIRECTORY = CWD; public static final int CHANGE_TO_PARENT_DIRECTORY = CDUP; public static final int STRUCTURE_MOUNT = SMNT; public static final int REINITIALIZE = REIN; public static final int LOGOUT = QUIT; public static final int DATA_PORT = PORT; public static final int PASSIVE = PASV; public static final int REPRESENTATION_TYPE = TYPE; public static final int FILE_STRUCTURE = STRU; public static final int TRANSFER_MODE = MODE; public static final int RETRIEVE = RETR; public static final int STORE = STOR; public static final int STORE_UNIQUE = STOU; public static final int APPEND = APPE; public static final int ALLOCATE = ALLO; public static final int RESTART = REST; public static final int RENAME_FROM = RNFR; public static final int RENAME_TO = RNTO; public static final int ABORT = ABOR; public static final int DELETE = DELE; public static final int REMOVE_DIRECTORY = RMD; public static final int MAKE_DIRECTORY = MKD; public static final int PRINT_WORKING_DIRECTORY = PWD; // public static final int LIST = LIST; public static final int NAME_LIST = NLST; public static final int SITE_PARAMETERS = SITE; public static final int SYSTEM = SYST; public static final int STATUS = STAT; //public static final int HELP = HELP; //public static final int NOOP = NOOP; // Cannot be instantiated private FTPCommand() {} static final String[] _commands = { "USER", "PASS", "ACCT", "CWD", "CDUP", "SMNT", "REIN", "QUIT", "PORT", "PASV", "TYPE", "STRU", "MODE", "RETR", "STOR", "STOU", "APPE", "ALLO", "REST", "RNFR", "RNTO", "ABOR", "DELE", "RMD", "MKD", "PWD", "LIST", "NLST", "SITE", "SYST", "STAT", "HELP", "NOOP" }; /** * Retrieve the FTP protocol command string corresponding to a specified * command code. *

* @param command The command code. * @return The FTP protcol command string corresponding to a specified * command code. */ public static final String getCommand(int command) { return _commands[command]; } }

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