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/*
 * 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.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.
 * 

*

* @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. *

* @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. *

* @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. *

* @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. *

* @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. *

* @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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