| /*** |
| * $Id: NNTPReply.java,v 1.1 2002/04/03 01:04:36 brekke Exp $ |
| * |
| * NetComponents Internet Protocol Library |
| * Copyright (C) 1997-2002 Daniel F. Savarese |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library in the LICENSE file; if not, write |
| * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
| * Boston, MA 02111-1307 USA |
| ***/ |
| |
| package com.oroinc.net.nntp; |
| |
| import java.net.*; |
| import java.io.*; |
| |
| /*** |
| * 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_335 = 335; |
| public static final int CODE_340 = 340; |
| public static final int CODE_400 = 400; |
| 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_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 SEND_ARTICLE_TO_TRANSFER = CODE_335; |
| public static final int SEND_ARTICLE_TO_POST = CODE_340; |
| public static final int SERVICE_DISCONTINUED = CODE_400; |
| public static final int NO_SUCH_NEWSGROUP = CODE_411; |
| 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 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); |
| } |
| |
| } |
