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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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;
/**
* FTPReply stores a set of constants for FTP reply 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.
*
* TODO replace with an enum
*/
public final class FTPReply
{
public static final int RESTART_MARKER = 110;
public static final int SERVICE_NOT_READY = 120;
public static final int DATA_CONNECTION_ALREADY_OPEN = 125;
public static final int FILE_STATUS_OK = 150;
public static final int COMMAND_OK = 200;
public static final int COMMAND_IS_SUPERFLUOUS = 202;
public static final int SYSTEM_STATUS = 211;
public static final int DIRECTORY_STATUS = 212;
public static final int FILE_STATUS = 213;
public static final int HELP_MESSAGE = 214;
public static final int NAME_SYSTEM_TYPE = 215;
public static final int SERVICE_READY = 220;
public static final int SERVICE_CLOSING_CONTROL_CONNECTION = 221;
public static final int DATA_CONNECTION_OPEN = 225;
public static final int CLOSING_DATA_CONNECTION = 226;
public static final int ENTERING_PASSIVE_MODE = 227;
/** @since 2.2 */
public static final int ENTERING_EPSV_MODE = 229;
public static final int USER_LOGGED_IN = 230;
public static final int FILE_ACTION_OK = 250;
public static final int PATHNAME_CREATED = 257;
public static final int NEED_PASSWORD = 331;
public static final int NEED_ACCOUNT = 332;
public static final int FILE_ACTION_PENDING = 350;
public static final int SERVICE_NOT_AVAILABLE = 421;
public static final int CANNOT_OPEN_DATA_CONNECTION = 425;
public static final int TRANSFER_ABORTED = 426;
public static final int FILE_ACTION_NOT_TAKEN = 450;
public static final int ACTION_ABORTED = 451;
public static final int INSUFFICIENT_STORAGE = 452;
public static final int UNRECOGNIZED_COMMAND = 500;
public static final int SYNTAX_ERROR_IN_ARGUMENTS = 501;
public static final int COMMAND_NOT_IMPLEMENTED = 502;
public static final int BAD_COMMAND_SEQUENCE = 503;
public static final int COMMAND_NOT_IMPLEMENTED_FOR_PARAMETER = 504;
public static final int NOT_LOGGED_IN = 530;
public static final int NEED_ACCOUNT_FOR_STORING_FILES = 532;
public static final int FILE_UNAVAILABLE = 550;
public static final int PAGE_TYPE_UNKNOWN = 551;
public static final int STORAGE_ALLOCATION_EXCEEDED = 552;
public static final int FILE_NAME_NOT_ALLOWED = 553;
// FTPS Reply Codes
/** @since 2.0 */
public static final int SECURITY_DATA_EXCHANGE_COMPLETE = 234;
/** @since 2.0 */
public static final int SECURITY_DATA_EXCHANGE_SUCCESSFULLY = 235;
/** @since 2.0 */
public static final int SECURITY_MECHANISM_IS_OK = 334;
/** @since 2.0 */
public static final int SECURITY_DATA_IS_ACCEPTABLE = 335;
/** @since 2.0 */
public static final int UNAVAILABLE_RESOURCE = 431;
/** @since 2.2 */
public static final int BAD_TLS_NEGOTIATION_OR_DATA_ENCRYPTION_REQUIRED = 522;
/** @since 2.0 */
public static final int DENIED_FOR_POLICY_REASONS = 533;
/** @since 2.0 */
public static final int REQUEST_DENIED = 534;
/** @since 2.0 */
public static final int FAILED_SECURITY_CHECK = 535;
/** @since 2.0 */
public static final int REQUESTED_PROT_LEVEL_NOT_SUPPORTED = 536;
// IPv6 error codes
// Note this is also used as an FTPS error code reply
/** @since 2.2 */
public static final int EXTENDED_PORT_FAILURE = 522;
// Cannot be instantiated
private FTPReply()
{}
/**
* Determine if a reply code is a positive preliminary response. All
* codes beginning with a 1 are positive preliminary responses.
* Postitive preliminary responses are used to indicate tentative success.
* No further commands can be issued to the FTP server after a positive
* preliminary response until a follow up response is received from the
* server.
*
* @param reply The reply code to test.
* @return True if a reply code is a positive preliminary response, false
* if not.
*/
public static boolean isPositivePreliminary(final int reply)
{
return reply >= 100 && reply < 200;
}
/**
* Determine if a reply code is a positive completion response. All
* codes beginning with a 2 are positive completion responses.
* The FTP server will send a positive completion response on the final
* successful completion of a command.
*
* @param reply The reply code to test.
* @return True if a reply code is a positive completion response, false
* if not.
*/
public static boolean isPositiveCompletion(final int reply)
{
return reply >= 200 && reply < 300;
}
/**
* Determine if a reply code is a positive intermediate response. All
* codes beginning with a 3 are positive intermediate responses.
* The FTP server will send a positive intermediate response on the
* successful completion of one part of a multi-part sequence of
* commands. For example, after a successful USER command, a positive
* intermediate response will be sent to indicate that the server is
* ready for the PASS command.
*
* @param reply The reply code to test.
* @return True if a reply code is a positive intermediate response, false
* if not.
*/
public static boolean isPositiveIntermediate(final int reply)
{
return reply >= 300 && reply < 400;
}
/**
* Determine if a reply code is a negative transient response. All
* codes beginning with a 4 are negative transient responses.
* The FTP server will send a negative transient response on the
* failure of a command that can be reattempted with success.
*
* @param reply The reply code to test.
* @return True if a reply code is a negative transient response, false
* if not.
*/
public static boolean isNegativeTransient(final int reply)
{
return reply >= 400 && reply < 500;
}
/**
* Determine if a reply code is a negative permanent response. All
* codes beginning with a 5 are negative permanent responses.
* The FTP server will send a negative permanent response on the
* failure of a command that cannot be reattempted with success.
*
* @param reply The reply code to test.
* @return True if a reply code is a negative permanent response, false
* if not.
*/
public static boolean isNegativePermanent(final int reply)
{
return reply >= 500 && reply < 600;
}
/**
* Determine if a reply code is a protected response.
* @param reply The reply code to test.
* @return True if a reply code is a protected response, false
* if not.
* @since 3.0
*/
public static boolean isProtectedReplyCode(final int reply)
{
// actually, only 3 protected reply codes are
// defined in RFC 2228: 631, 632 and 633.
return reply >= 600 && reply < 700;
}
}