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The Netty project is an effort to provide an asynchronous event-driven
network application framework and tools for rapid development of
maintainable high performance and high scalability protocol servers and
clients. In other words, Netty is a NIO client server framework which
enables quick and easy development of network applications such as protocol
servers and clients. It greatly simplifies and streamlines network
programming such as TCP and UDP socket server.
/*
* Copyright 2012 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
* RTSP and
* ICAP.
* @apiviz.exclude
*/
public class HttpResponseStatus implements Comparable {
/**
* 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");
/**
* 431 Request Header Fields Too Large (RFC6585)
*/
public static final HttpResponseStatus REQUEST_HEADER_FIELDS_TOO_LARGE =
new HttpResponseStatus(431, "Request Header Fields Too Large");
/**
* 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();
}
}