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* $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/HttpStatus.java,v 1.15.2.2 2004/05/02 11:19:58 olegk Exp $
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* $Revision: 1.15.2.2 $
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* $Date: 2004/05/02 11:19:58 $
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* ====================================================================
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* Copyright 1999-2004 The Apache Software Foundation
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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* [Additional notices, if required by prior licensing conditions]
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package org.apache.commons.httpclient;
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* Constants enumerating the HTTP status codes.
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* All status codes defined in RFC1945 (HTTP/1.0, RFC2616 (HTTP/1.1), and
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* RFC2518 (WebDAV) are supported.
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* @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
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* @author <a href="mailto:jsdever@apache.org">Jeff Dever</a>
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* TODO: Internationalization of reason phrases
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* @version $Id: HttpStatus.java,v 1.15.2.2 2004/05/02 11:19:58 olegk Exp $
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public class HttpStatus {
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// -------------------------------------------------------- Class Variables
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/** Reason phrases lookup table. */
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private static final String[][] REASON_PHRASES = new String[][]{
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// --------------------------------------------------------- Public Methods
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* Get the reason phrase for a particular status code.
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* This method always returns the English text as specified in the
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* relevent RFCs and is not internationalized.
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* @param statusCode the numeric status code
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* @return the reason phrase associated with the given status code
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* or null if the status code is not recognized.
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* TODO: getStatusText should be called getReasonPhrase to match RFC
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public static String getStatusText(int statusCode) {
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throw new IllegalArgumentException("status code may not be negative");
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int classIndex = statusCode / 100;
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int codeIndex = statusCode - classIndex * 100;
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if (classIndex < 1 || classIndex > (REASON_PHRASES.length - 1)
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|| codeIndex < 0 || codeIndex > (REASON_PHRASES[classIndex].length - 1)) {
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return REASON_PHRASES[classIndex][codeIndex];
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// -------------------------------------------------------- Private Methods
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* Store the given reason phrase, by status code.
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* @param statusCode The status code to lookup
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* @param reasonPhrase The reason phrase for this status code
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private static void addStatusCodeMap(int statusCode, String reasonPhrase) {
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int classIndex = statusCode / 100;
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REASON_PHRASES[classIndex][statusCode - classIndex * 100] = reasonPhrase;
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// -------------------------------------------------------------- Constants
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// --- 1xx Informational ---
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/** <tt>100 Continue</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_CONTINUE = 100;
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/** <tt>101 Switching Protocols</tt> (HTTP/1.1 - RFC 2616)*/
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public static final int SC_SWITCHING_PROTOCOLS = 101;
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/** <tt>102 Processing</tt> (WebDAV - RFC 2518) */
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public static final int SC_PROCESSING = 102;
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// --- 2xx Success ---
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/** <tt>200 OK</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_OK = 200;
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/** <tt>201 Created</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_CREATED = 201;
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/** <tt>202 Accepted</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_ACCEPTED = 202;
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/** <tt>203 Non Authoritative Information</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_NON_AUTHORITATIVE_INFORMATION = 203;
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/** <tt>204 No Content</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_NO_CONTENT = 204;
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/** <tt>205 Reset Content</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_RESET_CONTENT = 205;
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/** <tt>206 Partial Content</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_PARTIAL_CONTENT = 206;
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* <tt>207 Multi-Status</tt> (WebDAV - RFC 2518) or <tt>207 Partial Update
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* OK</tt> (HTTP/1.1 - draft-ietf-http-v11-spec-rev-01?)
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public static final int SC_MULTI_STATUS = 207;
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// --- 3xx Redirection ---
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/** <tt>300 Mutliple Choices</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_MULTIPLE_CHOICES = 300;
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/** <tt>301 Moved Permanently</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_MOVED_PERMANENTLY = 301;
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/** <tt>302 Moved Temporarily</tt> (Sometimes <tt>Found</tt>) (HTTP/1.0 - RFC 1945) */
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public static final int SC_MOVED_TEMPORARILY = 302;
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/** <tt>303 See Other</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_SEE_OTHER = 303;
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/** <tt>304 Not Modified</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_NOT_MODIFIED = 304;
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/** <tt>305 Use Proxy</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_USE_PROXY = 305;
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/** <tt>307 Temporary Redirect</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_TEMPORARY_REDIRECT = 307;
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// --- 4xx Client Error ---
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/** <tt>400 Bad Request</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_BAD_REQUEST = 400;
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/** <tt>401 Unauthorized</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_UNAUTHORIZED = 401;
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/** <tt>402 Payment Required</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_PAYMENT_REQUIRED = 402;
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/** <tt>403 Forbidden</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_FORBIDDEN = 403;
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/** <tt>404 Not Found</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_NOT_FOUND = 404;
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/** <tt>405 Method Not Allowed</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_METHOD_NOT_ALLOWED = 405;
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/** <tt>406 Not Acceptable</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_NOT_ACCEPTABLE = 406;
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/** <tt>407 Proxy Authentication Required</tt> (HTTP/1.1 - RFC 2616)*/
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public static final int SC_PROXY_AUTHENTICATION_REQUIRED = 407;
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/** <tt>408 Request Timeout</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_REQUEST_TIMEOUT = 408;
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/** <tt>409 Conflict</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_CONFLICT = 409;
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/** <tt>410 Gone</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_GONE = 410;
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/** <tt>411 Length Required</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_LENGTH_REQUIRED = 411;
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/** <tt>412 Precondition Failed</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_PRECONDITION_FAILED = 412;
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/** <tt>413 Request Entity Too Large</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_REQUEST_TOO_LONG = 413;
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/** <tt>414 Request-URI Too Long</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_REQUEST_URI_TOO_LONG = 414;
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/** <tt>415 Unsupported Media Type</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_UNSUPPORTED_MEDIA_TYPE = 415;
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/** <tt>416 Requested Range Not Satisfiable</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_REQUESTED_RANGE_NOT_SATISFIABLE = 416;
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/** <tt>417 Expectation Failed</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_EXPECTATION_FAILED = 417;
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* Static constant for a 418 error.
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* <tt>418 Unprocessable Entity</tt> (WebDAV drafts?)
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* or <tt>418 Reauthentication Required</tt> (HTTP/1.1 drafts?)
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// public static final int SC_UNPROCESSABLE_ENTITY = 418;
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* Static constant for a 419 error.
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* <tt>419 Insufficient Space on Resource</tt>
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* (WebDAV - draft-ietf-webdav-protocol-05?)
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* or <tt>419 Proxy Reauthentication Required</tt>
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public static final int SC_INSUFFICIENT_SPACE_ON_RESOURCE = 419;
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* Static constant for a 420 error.
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* <tt>420 Method Failure</tt>
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* (WebDAV - draft-ietf-webdav-protocol-05?)
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public static final int SC_METHOD_FAILURE = 420;
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/** <tt>422 Unprocessable Entity</tt> (WebDAV - RFC 2518) */
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public static final int SC_UNPROCESSABLE_ENTITY = 422;
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/** <tt>423 Locked</tt> (WebDAV - RFC 2518) */
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public static final int SC_LOCKED = 423;
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/** <tt>424 Failed Dependency</tt> (WebDAV - RFC 2518) */
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public static final int SC_FAILED_DEPENDENCY = 424;
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// --- 5xx Server Error ---
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/** <tt>500 Server Error</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_INTERNAL_SERVER_ERROR = 500;
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/** <tt>501 Not Implemented</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_NOT_IMPLEMENTED = 501;
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/** <tt>502 Bad Gateway</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_BAD_GATEWAY = 502;
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/** <tt>503 Service Unavailable</tt> (HTTP/1.0 - RFC 1945) */
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public static final int SC_SERVICE_UNAVAILABLE = 503;
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/** <tt>504 Gateway Timeout</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_GATEWAY_TIMEOUT = 504;
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/** <tt>505 HTTP Version Not Supported</tt> (HTTP/1.1 - RFC 2616) */
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public static final int SC_HTTP_VERSION_NOT_SUPPORTED = 505;
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/** <tt>507 Insufficient Storage</tt> (WebDAV - RFC 2518) */
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public static final int SC_INSUFFICIENT_STORAGE = 507;
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// ----------------------------------------------------- Static Initializer
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/** Set up status code to "reason phrase" map. */
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// HTTP 1.0 Server status codes -- see RFC 1945
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addStatusCodeMap(SC_OK, "OK");
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addStatusCodeMap(SC_CREATED, "Created");
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addStatusCodeMap(SC_ACCEPTED, "Accepted");
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addStatusCodeMap(SC_NO_CONTENT, "No Content");
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addStatusCodeMap(SC_MOVED_PERMANENTLY, "Moved Permanently");
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addStatusCodeMap(SC_MOVED_TEMPORARILY, "Moved Temporarily");
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addStatusCodeMap(SC_NOT_MODIFIED, "Not Modified");
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addStatusCodeMap(SC_BAD_REQUEST, "Bad Request");
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addStatusCodeMap(SC_UNAUTHORIZED, "Unauthorized");
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addStatusCodeMap(SC_FORBIDDEN, "Forbidden");
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addStatusCodeMap(SC_NOT_FOUND, "Not Found");
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addStatusCodeMap(SC_INTERNAL_SERVER_ERROR, "Internal Server Error");
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addStatusCodeMap(SC_NOT_IMPLEMENTED, "Not Implemented");
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addStatusCodeMap(SC_BAD_GATEWAY, "Bad Gateway");
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addStatusCodeMap(SC_SERVICE_UNAVAILABLE, "Service Unavailable");
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// HTTP 1.1 Server status codes -- see RFC 2048
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addStatusCodeMap(SC_CONTINUE, "Continue");
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addStatusCodeMap(SC_TEMPORARY_REDIRECT, "Temporary Redirect");
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addStatusCodeMap(SC_METHOD_NOT_ALLOWED, "Method Not Allowed");
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addStatusCodeMap(SC_CONFLICT, "Conflict");
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addStatusCodeMap(SC_PRECONDITION_FAILED, "Precondition Failed");
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addStatusCodeMap(SC_REQUEST_TOO_LONG, "Request Too Long");
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addStatusCodeMap(SC_REQUEST_URI_TOO_LONG, "Request-URI Too Long");
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addStatusCodeMap(SC_UNSUPPORTED_MEDIA_TYPE, "Unsupported Media Type");
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addStatusCodeMap(SC_MULTIPLE_CHOICES, "Multiple Choices");
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addStatusCodeMap(SC_SEE_OTHER, "See Other");
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addStatusCodeMap(SC_USE_PROXY, "Use Proxy");
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addStatusCodeMap(SC_PAYMENT_REQUIRED, "Payment Required");
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addStatusCodeMap(SC_NOT_ACCEPTABLE, "Not Acceptable");
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addStatusCodeMap(SC_PROXY_AUTHENTICATION_REQUIRED,
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"Proxy Authentication Required");
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addStatusCodeMap(SC_REQUEST_TIMEOUT,
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addStatusCodeMap(SC_SWITCHING_PROTOCOLS, "Switching Protocols");
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addStatusCodeMap(SC_NON_AUTHORITATIVE_INFORMATION,
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"Non Authoritative Information");
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addStatusCodeMap(SC_RESET_CONTENT, "Reset Content");
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addStatusCodeMap(SC_PARTIAL_CONTENT, "Partial Content");
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addStatusCodeMap(SC_GATEWAY_TIMEOUT, "Gateway Timeout");
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addStatusCodeMap(SC_HTTP_VERSION_NOT_SUPPORTED,
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"Http Version Not Supported");
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addStatusCodeMap(SC_GONE,
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addStatusCodeMap(SC_LENGTH_REQUIRED,
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addStatusCodeMap(SC_REQUESTED_RANGE_NOT_SATISFIABLE,
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"Requested Range Not Satisfiable");
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addStatusCodeMap(SC_EXPECTATION_FAILED,
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"Expectation Failed");
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// WebDAV Server-specific status codes
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addStatusCodeMap(SC_PROCESSING, "Processing");
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addStatusCodeMap(SC_MULTI_STATUS, "Multi-Status");
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addStatusCodeMap(SC_UNPROCESSABLE_ENTITY, "Unprocessable Entity");
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addStatusCodeMap(SC_INSUFFICIENT_SPACE_ON_RESOURCE,
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"Insufficient Space On Resource");
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addStatusCodeMap(SC_METHOD_FAILURE, "Method Failure");
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addStatusCodeMap(SC_LOCKED, "Locked");
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addStatusCodeMap(SC_INSUFFICIENT_STORAGE , "Insufficient Storage");
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addStatusCodeMap(SC_FAILED_DEPENDENCY, "Failed Dependency");