/*
* Copyright 2001-2005 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.nntp;
/***
* NNTPReply stores a set of constants for NNTP reply codes. To interpret
* the meaning of the codes, familiarity with RFC 977 is assumed.
* The mnemonic constant names are transcriptions from the code descriptions
* of RFC 977. For those who think in terms of the actual reply code values,
* a set of CODE_NUM constants are provided where NUM is the numerical value
* of the code.
* <p>
* <p>
* @author Daniel F. Savarese
***/
public final class NNTPReply
{
public static final int CODE_100 = 100;
public static final int CODE_199 = 199;
public static final int CODE_200 = 200;
public static final int CODE_201 = 201;
public static final int CODE_202 = 202;
public static final int CODE_205 = 205;
public static final int CODE_211 = 211;
public static final int CODE_215 = 215;
public static final int CODE_220 = 220;
public static final int CODE_221 = 221;
public static final int CODE_222 = 222;
public static final int CODE_223 = 223;
public static final int CODE_230 = 230;
public static final int CODE_231 = 231;
public static final int CODE_235 = 235;
public static final int CODE_240 = 240;
public static final int CODE_281 = 281;
public static final int CODE_335 = 335;
public static final int CODE_340 = 340;
public static final int CODE_381 = 381;
public static final int CODE_400 = 400;
public static final int CODE_408 = 408;
public static final int CODE_411 = 411;
public static final int CODE_412 = 412;
public static final int CODE_420 = 420;
public static final int CODE_421 = 421;
public static final int CODE_422 = 422;
public static final int CODE_423 = 423;
public static final int CODE_430 = 430;
public static final int CODE_435 = 435;
public static final int CODE_436 = 436;
public static final int CODE_437 = 437;
public static final int CODE_440 = 440;
public static final int CODE_441 = 441;
public static final int CODE_482 = 482;
public static final int CODE_500 = 500;
public static final int CODE_501 = 501;
public static final int CODE_502 = 502;
public static final int CODE_503 = 503;
public static final int HELP_TEXT_FOLLOWS = CODE_100;
public static final int DEBUG_OUTPUT = CODE_199;
public static final int SERVER_READY_POSTING_ALLOWED = CODE_200;
public static final int SERVER_READY_POSTING_NOT_ALLOWED = CODE_201;
public static final int SLAVE_STATUS_NOTED = CODE_202;
public static final int CLOSING_CONNECTION = CODE_205;
public static final int GROUP_SELECTED = CODE_211;
public static final int ARTICLE_RETRIEVED_HEAD_AND_BODY_FOLLOW = CODE_220;
public static final int ARTICLE_RETRIEVED_HEAD_FOLLOWS = CODE_221;
public static final int ARTICLE_RETRIEVED_BODY_FOLLOWS = CODE_222;
public static final int
ARTICLE_RETRIEVED_REQUEST_TEXT_SEPARATELY = CODE_223;
public static final int ARTICLE_LIST_BY_MESSAGE_ID_FOLLOWS = CODE_230;
public static final int NEW_NEWSGROUP_LIST_FOLLOWS = CODE_231;
public static final int ARTICLE_TRANSFERRED_OK = CODE_235;
public static final int ARTICLE_POSTED_OK = CODE_240;
public static final int AUTHENTICATION_ACCEPTED = CODE_281;
public static final int SEND_ARTICLE_TO_TRANSFER = CODE_335;
public static final int SEND_ARTICLE_TO_POST = CODE_340;
public static final int MORE_AUTH_INFO_REQUIRED = CODE_381;
public static final int SERVICE_DISCONTINUED = CODE_400;
public static final int NO_SUCH_NEWSGROUP = CODE_411;
public static final int AUTHENTICATION_REQUIRED = CODE_408;
public static final int NO_NEWSGROUP_SELECTED = CODE_412;
public static final int NO_CURRENT_ARTICLE_SELECTED = CODE_420;
public static final int NO_NEXT_ARTICLE = CODE_421;
public static final int NO_PREVIOUS_ARTICLE = CODE_422;
public static final int NO_SUCH_ARTICLE_NUMBER = CODE_423;
public static final int NO_SUCH_ARTICLE_FOUND = CODE_430;
public static final int ARTICLE_NOT_WANTED = CODE_435;
public static final int TRANSFER_FAILED = CODE_436;
public static final int ARTICLE_REJECTED = CODE_437;
public static final int POSTING_NOT_ALLOWED = CODE_440;
public static final int POSTING_FAILED = CODE_441;
public static final int AUTHENTICATION_REJECTED = CODE_482;
public static final int COMMAND_NOT_RECOGNIZED = CODE_500;
public static final int COMMAND_SYNTAX_ERROR = CODE_501;
public static final int PERMISSION_DENIED = CODE_502;
public static final int PROGRAM_FAULT = CODE_503;
// Cannot be instantiated
private NNTPReply()
{}
/***
* Determine if a reply code is an informational response. All
* codes beginning with a 1 are positive informational responses.
* Informational responses are used to provide human readable
* information such as help text.
* <p>
* @param reply The reply code to test.
* @return True if a reply code is an informational response, false
* if not.
***/
public static boolean isInformational(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 NNTP server will send a positive completion response on the final
* successful completion of a command.
* <p>
* @param reply The reply code to test.
* @return True if a reply code is a postive completion response, false
* if not.
***/
public static boolean isPositiveCompletion(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 NNTP server will send a positive intermediate response on the
* successful completion of one part of a multi-part command or
* sequence of commands. For example, after a successful POST command,
* a positive intermediate response will be sent to indicate that the
* server is ready to receive the article to be posted.
* <p>
* @param reply The reply code to test.
* @return True if a reply code is a postive intermediate response, false
* if not.
***/
public static boolean isPositiveIntermediate(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 NNTP server will send a negative transient response on the
* failure of a correctly formatted command that could not be performed
* for some reason. For example, retrieving an article that does not
* exist will result in a negative transient response.
* <p>
* @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(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 NNTP server will send a negative permanent response when
* it does not implement a command, a command is incorrectly formatted,
* or a serious program error occurs.
* <p>
* @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(int reply)
{
return (reply >= 500 && reply < 600);
}
}
/* Emacs configuration
* Local variables: **
* mode: java **
* c-basic-offset: 4 **
* indent-tabs-mode: nil **
* End: **
*/
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