/* * Copyright 2011 The Netty Project * * The Netty Project 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.jboss.netty.handler.codec.http; /** * The response code and its description of HTTP or its derived protocols, such as * <a href="http://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol">RTSP</a> and * <a href="http://en.wikipedia.org/wiki/Internet_Content_Adaptation_Protocol">ICAP</a>. * @apiviz.exclude */ public class HttpResponseStatus implements Comparable<HttpResponseStatus> { /** * 100 Continue */ public static final HttpResponseStatus CONTINUE = new HttpResponseStatus(100, "Continue"); /** * 101 Switching Protocols */ public static final HttpResponseStatus SWITCHING_PROTOCOLS = new HttpResponseStatus(101, "Switching Protocols"); /** * 102 Processing (WebDAV, RFC2518) */ public static final HttpResponseStatus PROCESSING = new HttpResponseStatus(102, "Processing"); /** * 200 OK */ public static final HttpResponseStatus OK = new HttpResponseStatus(200, "OK"); /** * 201 Created */ public static final HttpResponseStatus CREATED = new HttpResponseStatus(201, "Created"); /** * 202 Accepted */ public static final HttpResponseStatus ACCEPTED = new HttpResponseStatus(202, "Accepted"); /** * 203 Non-Authoritative Information (since HTTP/1.1) */ public static final HttpResponseStatus NON_AUTHORITATIVE_INFORMATION = new HttpResponseStatus(203, "Non-Authoritative Information"); /** * 204 No Content */ public static final HttpResponseStatus NO_CONTENT = new HttpResponseStatus(204, "No Content"); /** * 205 Reset Content */ public static final HttpResponseStatus RESET_CONTENT = new HttpResponseStatus(205, "Reset Content"); /** * 206 Partial Content */ public static final HttpResponseStatus PARTIAL_CONTENT = new HttpResponseStatus(206, "Partial Content"); /** * 207 Multi-Status (WebDAV, RFC2518) */ public static final HttpResponseStatus MULTI_STATUS = new HttpResponseStatus(207, "Multi-Status"); /** * 300 Multiple Choices */ public static final HttpResponseStatus MULTIPLE_CHOICES = new HttpResponseStatus(300, "Multiple Choices"); /** * 301 Moved Permanently */ public static final HttpResponseStatus MOVED_PERMANENTLY = new HttpResponseStatus(301, "Moved Permanently"); /** * 302 Found */ public static final HttpResponseStatus FOUND = new HttpResponseStatus(302, "Found"); /** * 303 See Other (since HTTP/1.1) */ public static final HttpResponseStatus SEE_OTHER = new HttpResponseStatus(303, "See Other"); /** * 304 Not Modified */ public static final HttpResponseStatus NOT_MODIFIED = new HttpResponseStatus(304, "Not Modified"); /** * 305 Use Proxy (since HTTP/1.1) */ public static final HttpResponseStatus USE_PROXY = new HttpResponseStatus(305, "Use Proxy"); /** * 307 Temporary Redirect (since HTTP/1.1) */ public static final HttpResponseStatus TEMPORARY_REDIRECT = new HttpResponseStatus(307, "Temporary Redirect"); /** * 400 Bad Request */ public static final HttpResponseStatus BAD_REQUEST = new HttpResponseStatus(400, "Bad Request"); /** * 401 Unauthorized */ public static final HttpResponseStatus UNAUTHORIZED = new HttpResponseStatus(401, "Unauthorized"); /** * 402 Payment Required */ public static final HttpResponseStatus PAYMENT_REQUIRED = new HttpResponseStatus(402, "Payment Required"); /** * 403 Forbidden */ public static final HttpResponseStatus FORBIDDEN = new HttpResponseStatus(403, "Forbidden"); /** * 404 Not Found */ public static final HttpResponseStatus NOT_FOUND = new HttpResponseStatus(404, "Not Found"); /** * 405 Method Not Allowed */ public static final HttpResponseStatus METHOD_NOT_ALLOWED = new HttpResponseStatus(405, "Method Not Allowed"); /** * 406 Not Acceptable */ public static final HttpResponseStatus NOT_ACCEPTABLE = new HttpResponseStatus(406, "Not Acceptable"); /** * 407 Proxy Authentication Required */ public static final HttpResponseStatus PROXY_AUTHENTICATION_REQUIRED = new HttpResponseStatus(407, "Proxy Authentication Required"); /** * 408 Request Timeout */ public static final HttpResponseStatus REQUEST_TIMEOUT = new HttpResponseStatus(408, "Request Timeout"); /** * 409 Conflict */ public static final HttpResponseStatus CONFLICT = new HttpResponseStatus(409, "Conflict"); /** * 410 Gone */ public static final HttpResponseStatus GONE = new HttpResponseStatus(410, "Gone"); /** * 411 Length Required */ public static final HttpResponseStatus LENGTH_REQUIRED = new HttpResponseStatus(411, "Length Required"); /** * 412 Precondition Failed */ public static final HttpResponseStatus PRECONDITION_FAILED = new HttpResponseStatus(412, "Precondition Failed"); /** * 413 Request Entity Too Large */ public static final HttpResponseStatus REQUEST_ENTITY_TOO_LARGE = new HttpResponseStatus(413, "Request Entity Too Large"); /** * 414 Request-URI Too Long */ public static final HttpResponseStatus REQUEST_URI_TOO_LONG = new HttpResponseStatus(414, "Request-URI Too Long"); /** * 415 Unsupported Media Type */ public static final HttpResponseStatus UNSUPPORTED_MEDIA_TYPE = new HttpResponseStatus(415, "Unsupported Media Type"); /** * 416 Requested Range Not Satisfiable */ public static final HttpResponseStatus REQUESTED_RANGE_NOT_SATISFIABLE = new HttpResponseStatus(416, "Requested Range Not Satisfiable"); /** * 417 Expectation Failed */ public static final HttpResponseStatus EXPECTATION_FAILED = new HttpResponseStatus(417, "Expectation Failed"); /** * 422 Unprocessable Entity (WebDAV, RFC4918) */ public static final HttpResponseStatus UNPROCESSABLE_ENTITY = new HttpResponseStatus(422, "Unprocessable Entity"); /** * 423 Locked (WebDAV, RFC4918) */ public static final HttpResponseStatus LOCKED = new HttpResponseStatus(423, "Locked"); /** * 424 Failed Dependency (WebDAV, RFC4918) */ public static final HttpResponseStatus FAILED_DEPENDENCY = new HttpResponseStatus(424, "Failed Dependency"); /** * 425 Unordered Collection (WebDAV, RFC3648) */ public static final HttpResponseStatus UNORDERED_COLLECTION = new HttpResponseStatus(425, "Unordered Collection"); /** * 426 Upgrade Required (RFC2817) */ public static final HttpResponseStatus UPGRADE_REQUIRED = new HttpResponseStatus(426, "Upgrade Required"); /** * 500 Internal Server Error */ public static final HttpResponseStatus INTERNAL_SERVER_ERROR = new HttpResponseStatus(500, "Internal Server Error"); /** * 501 Not Implemented */ public static final HttpResponseStatus NOT_IMPLEMENTED = new HttpResponseStatus(501, "Not Implemented"); /** * 502 Bad Gateway */ public static final HttpResponseStatus BAD_GATEWAY = new HttpResponseStatus(502, "Bad Gateway"); /** * 503 Service Unavailable */ public static final HttpResponseStatus SERVICE_UNAVAILABLE = new HttpResponseStatus(503, "Service Unavailable"); /** * 504 Gateway Timeout */ public static final HttpResponseStatus GATEWAY_TIMEOUT = new HttpResponseStatus(504, "Gateway Timeout"); /** * 505 HTTP Version Not Supported */ public static final HttpResponseStatus HTTP_VERSION_NOT_SUPPORTED = new HttpResponseStatus(505, "HTTP Version Not Supported"); /** * 506 Variant Also Negotiates (RFC2295) */ public static final HttpResponseStatus VARIANT_ALSO_NEGOTIATES = new HttpResponseStatus(506, "Variant Also Negotiates"); /** * 507 Insufficient Storage (WebDAV, RFC4918) */ public static final HttpResponseStatus INSUFFICIENT_STORAGE = new HttpResponseStatus(507, "Insufficient Storage"); /** * 510 Not Extended (RFC2774) */ public static final HttpResponseStatus NOT_EXTENDED = new HttpResponseStatus(510, "Not Extended"); /** * Returns the {@link HttpResponseStatus} represented by the specified code. * If the specified code is a standard HTTP status code, a cached instance * will be returned. Otherwise, a new instance will be returned. */ public static HttpResponseStatus valueOf(int code) { switch (code) { case 100: return CONTINUE; case 101: return SWITCHING_PROTOCOLS; case 102: return PROCESSING; case 200: return OK; case 201: return CREATED; case 202: return ACCEPTED; case 203: return NON_AUTHORITATIVE_INFORMATION; case 204: return NO_CONTENT; case 205: return RESET_CONTENT; case 206: return PARTIAL_CONTENT; case 207: return MULTI_STATUS; case 300: return MULTIPLE_CHOICES; case 301: return MOVED_PERMANENTLY; case 302: return FOUND; case 303: return SEE_OTHER; case 304: return NOT_MODIFIED; case 305: return USE_PROXY; case 307: return TEMPORARY_REDIRECT; case 400: return BAD_REQUEST; case 401: return UNAUTHORIZED; case 402: return PAYMENT_REQUIRED; case 403: return FORBIDDEN; case 404: return NOT_FOUND; case 405: return METHOD_NOT_ALLOWED; case 406: return NOT_ACCEPTABLE; case 407: return PROXY_AUTHENTICATION_REQUIRED; case 408: return REQUEST_TIMEOUT; case 409: return CONFLICT; case 410: return GONE; case 411: return LENGTH_REQUIRED; case 412: return PRECONDITION_FAILED; case 413: return REQUEST_ENTITY_TOO_LARGE; case 414: return REQUEST_URI_TOO_LONG; case 415: return UNSUPPORTED_MEDIA_TYPE; case 416: return REQUESTED_RANGE_NOT_SATISFIABLE; case 417: return EXPECTATION_FAILED; case 422: return UNPROCESSABLE_ENTITY; case 423: return LOCKED; case 424: return FAILED_DEPENDENCY; case 425: return UNORDERED_COLLECTION; case 426: return UPGRADE_REQUIRED; case 500: return INTERNAL_SERVER_ERROR; case 501: return NOT_IMPLEMENTED; case 502: return BAD_GATEWAY; case 503: return SERVICE_UNAVAILABLE; case 504: return GATEWAY_TIMEOUT; case 505: return HTTP_VERSION_NOT_SUPPORTED; case 506: return VARIANT_ALSO_NEGOTIATES; case 507: return INSUFFICIENT_STORAGE; case 510: return NOT_EXTENDED; } final String reasonPhrase; if (code < 100) { reasonPhrase = "Unknown Status"; } else if (code < 200) { reasonPhrase = "Informational"; } else if (code < 300) { reasonPhrase = "Successful"; } else if (code < 400) { reasonPhrase = "Redirection"; } else if (code < 500) { reasonPhrase = "Client Error"; } else if (code < 600) { reasonPhrase = "Server Error"; } else { reasonPhrase = "Unknown Status"; } return new HttpResponseStatus(code, reasonPhrase + " (" + code + ')'); } private final int code; private final String reasonPhrase; /** * Creates a new instance with the specified {@code code} and its * {@code reasonPhrase}. */ public HttpResponseStatus(int code, String reasonPhrase) { if (code < 0) { throw new IllegalArgumentException( "code: " + code + " (expected: 0+)"); } if (reasonPhrase == null) { throw new NullPointerException("reasonPhrase"); } for (int i = 0; i < reasonPhrase.length(); i ++) { char c = reasonPhrase.charAt(i); // Check prohibited characters. switch (c) { case '\n': case '\r': throw new IllegalArgumentException( "reasonPhrase contains one of the following prohibited characters: " + "\\r\\n: " + reasonPhrase); } } this.code = code; this.reasonPhrase = reasonPhrase; } /** * Returns the code of this status. */ public int getCode() { return code; } /** * Returns the reason phrase of this status. */ public String getReasonPhrase() { return reasonPhrase; } @Override public int hashCode() { return getCode(); } @Override public boolean equals(Object o) { if (!(o instanceof HttpResponseStatus)) { return false; } return getCode() == ((HttpResponseStatus) o).getCode(); } public int compareTo(HttpResponseStatus o) { return getCode() - o.getCode(); } @Override public String toString() { StringBuilder buf = new StringBuilder(reasonPhrase.length() + 5); buf.append(code); buf.append(' '); buf.append(reasonPhrase); return buf.toString(); } }