Http的状态码以及根据这些状态码分成5种类型 statusCode/100
/*
* Copyright 2002-2013 the original author or authors.
*
* 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.springframework.http;
/**
* Java 5 enumeration of HTTP status codes.
*
* <p>The HTTP status code series can be retrieved via {@link #series()}.
*
* @author Arjen Poutsma
* @see HttpStatus.Series
* @see <a href="http://www.iana.org/assignments/http-status-codes">HTTP Status Code Registry</a>
* @see <a href="http://en.wikipedia.org/wiki/List_of_HTTP_status_codes">List of HTTP status codes - Wikipedia</a>
*/
public enum HttpStatus {
// 1xx Informational
/**
* {@code 100 Continue}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.1.1">HTTP/1.1</a>
*/
CONTINUE(100, "Continue"),
/**
* {@code 101 Switching Protocols}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.1.2">HTTP/1.1</a>
*/
SWITCHING_PROTOCOLS(101, "Switching Protocols"),
/**
* {@code 102 Processing}.
* @see <a href="http://tools.ietf.org/html/rfc2518#section-10.1">WebDAV</a>
*/
PROCESSING(102, "Processing"),
/**
* {@code 103 Checkpoint}.
* @see <a href="http://code.google.com/p/gears/wiki/ResumableHttpRequestsProposal">A proposal for supporting
* resumable POST/PUT HTTP requests in HTTP/1.0</a>
*/
CHECKPOINT(103, "Checkpoint"),
// 2xx Success
/**
* {@code 200 OK}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.1">HTTP/1.1</a>
*/
OK(200, "OK"),
/**
* {@code 201 Created}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.2">HTTP/1.1</a>
*/
CREATED(201, "Created"),
/**
* {@code 202 Accepted}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.3">HTTP/1.1</a>
*/
ACCEPTED(202, "Accepted"),
/**
* {@code 203 Non-Authoritative Information}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.4">HTTP/1.1</a>
*/
NON_AUTHORITATIVE_INFORMATION(203, "Non-Authoritative Information"),
/**
* {@code 204 No Content}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.5">HTTP/1.1</a>
*/
NO_CONTENT(204, "No Content"),
/**
* {@code 205 Reset Content}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.6">HTTP/1.1</a>
*/
RESET_CONTENT(205, "Reset Content"),
/**
* {@code 206 Partial Content}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.2.7">HTTP/1.1</a>
*/
PARTIAL_CONTENT(206, "Partial Content"),
/**
* {@code 207 Multi-Status}.
* @see <a href="http://tools.ietf.org/html/rfc4918#section-13">WebDAV</a>
*/
MULTI_STATUS(207, "Multi-Status"),
/**
* {@code 208 Already Reported}.
* @see <a href="http://tools.ietf.org/html/rfc5842#section-7.1">WebDAV Binding Extensions</a>
*/
ALREADY_REPORTED(208, "Already Reported"),
/**
* {@code 226 IM Used}.
* @see <a href="http://tools.ietf.org/html/rfc3229#section-10.4.1">Delta encoding in HTTP</a>
*/
IM_USED(226, "IM Used"),
// 3xx Redirection
/**
* {@code 300 Multiple Choices}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.1">HTTP/1.1</a>
*/
MULTIPLE_CHOICES(300, "Multiple Choices"),
/**
* {@code 301 Moved Permanently}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.2">HTTP/1.1</a>
*/
MOVED_PERMANENTLY(301, "Moved Permanently"),
/**
* {@code 302 Found}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.3">HTTP/1.1</a>
*/
FOUND(302, "Found"),
/**
* {@code 302 Moved Temporarily}.
* @see <a href="http://tools.ietf.org/html/rfc1945#section-9.3">HTTP/1.0</a>
* @deprecated In favor of {@link #FOUND} which will be returned from {@code HttpStatus.valueOf(302)}
*/
@Deprecated
MOVED_TEMPORARILY(302, "Moved Temporarily"),
/**
* {@code 303 See Other}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.4">HTTP/1.1</a>
*/
SEE_OTHER(303, "See Other"),
/**
* {@code 304 Not Modified}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.5">HTTP/1.1</a>
*/
NOT_MODIFIED(304, "Not Modified"),
/**
* {@code 305 Use Proxy}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.6">HTTP/1.1</a>
*/
USE_PROXY(305, "Use Proxy"),
/**
* {@code 307 Temporary Redirect}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.3.8">HTTP/1.1</a>
*/
TEMPORARY_REDIRECT(307, "Temporary Redirect"),
/**
* {@code 308 Resume Incomplete}.
* @see <a href="http://code.google.com/p/gears/wiki/ResumableHttpRequestsProposal">A proposal for supporting
* resumable POST/PUT HTTP requests in HTTP/1.0</a>
*/
RESUME_INCOMPLETE(308, "Resume Incomplete"),
// --- 4xx Client Error ---
/**
* {@code 400 Bad Request}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.1">HTTP/1.1</a>
*/
BAD_REQUEST(400, "Bad Request"),
/**
* {@code 401 Unauthorized}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.2">HTTP/1.1</a>
*/
UNAUTHORIZED(401, "Unauthorized"),
/**
* {@code 402 Payment Required}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.3">HTTP/1.1</a>
*/
PAYMENT_REQUIRED(402, "Payment Required"),
/**
* {@code 403 Forbidden}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.4">HTTP/1.1</a>
*/
FORBIDDEN(403, "Forbidden"),
/**
* {@code 404 Not Found}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.5">HTTP/1.1</a>
*/
NOT_FOUND(404, "Not Found"),
/**
* {@code 405 Method Not Allowed}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.6">HTTP/1.1</a>
*/
METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
/**
* {@code 406 Not Acceptable}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.7">HTTP/1.1</a>
*/
NOT_ACCEPTABLE(406, "Not Acceptable"),
/**
* {@code 407 Proxy Authentication Required}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.8">HTTP/1.1</a>
*/
PROXY_AUTHENTICATION_REQUIRED(407, "Proxy Authentication Required"),
/**
* {@code 408 Request Timeout}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.9">HTTP/1.1</a>
*/
REQUEST_TIMEOUT(408, "Request Timeout"),
/**
* {@code 409 Conflict}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.10">HTTP/1.1</a>
*/
CONFLICT(409, "Conflict"),
/**
* {@code 410 Gone}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.11">HTTP/1.1</a>
*/
GONE(410, "Gone"),
/**
* {@code 411 Length Required}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.12">HTTP/1.1</a>
*/
LENGTH_REQUIRED(411, "Length Required"),
/**
* {@code 412 Precondition failed}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.13">HTTP/1.1</a>
*/
PRECONDITION_FAILED(412, "Precondition Failed"),
/**
* {@code 413 Request Entity Too Large}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.14">HTTP/1.1</a>
*/
REQUEST_ENTITY_TOO_LARGE(413, "Request Entity Too Large"),
/**
* {@code 414 Request-URI Too Long}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.15">HTTP/1.1</a>
*/
REQUEST_URI_TOO_LONG(414, "Request-URI Too Long"),
/**
* {@code 415 Unsupported Media Type}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.16">HTTP/1.1</a>
*/
UNSUPPORTED_MEDIA_TYPE(415, "Unsupported Media Type"),
/**
* {@code 416 Requested Range Not Satisfiable}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.17">HTTP/1.1</a>
*/
REQUESTED_RANGE_NOT_SATISFIABLE(416, "Requested range not satisfiable"),
/**
* {@code 417 Expectation Failed}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.18">HTTP/1.1</a>
*/
EXPECTATION_FAILED(417, "Expectation Failed"),
/**
* {@code 418 I'm a teapot}.
* @see <a href="http://tools.ietf.org/html/rfc2324#section-2.3.2">HTCPCP/1.0</a>
*/
I_AM_A_TEAPOT(418, "I'm a teapot"),
/**
* @deprecated See <a href="http://tools.ietf.org/rfcdiff?difftype=--hwdiff&url2=draft-ietf-webdav-protocol-06.txt">WebDAV Draft Changes</a>
*/
@Deprecated INSUFFICIENT_SPACE_ON_RESOURCE(419, "Insufficient Space On Resource"),
/**
* @deprecated See <a href="http://tools.ietf.org/rfcdiff?difftype=--hwdiff&url2=draft-ietf-webdav-protocol-06.txt">WebDAV Draft Changes</a>
*/
@Deprecated METHOD_FAILURE(420, "Method Failure"),
/**
* @deprecated See <a href="http://tools.ietf.org/rfcdiff?difftype=--hwdiff&url2=draft-ietf-webdav-protocol-06.txt">WebDAV Draft Changes</a>
*/
@Deprecated DESTINATION_LOCKED(421, "Destination Locked"),
/**
* {@code 422 Unprocessable Entity}.
* @see <a href="http://tools.ietf.org/html/rfc4918#section-11.2">WebDAV</a>
*/
UNPROCESSABLE_ENTITY(422, "Unprocessable Entity"),
/**
* {@code 423 Locked}.
* @see <a href="http://tools.ietf.org/html/rfc4918#section-11.3">WebDAV</a>
*/
LOCKED(423, "Locked"),
/**
* {@code 424 Failed Dependency}.
* @see <a href="http://tools.ietf.org/html/rfc4918#section-11.4">WebDAV</a>
*/
FAILED_DEPENDENCY(424, "Failed Dependency"),
/**
* {@code 426 Upgrade Required}.
* @see <a href="http://tools.ietf.org/html/rfc2817#section-6">Upgrading to TLS Within HTTP/1.1</a>
*/
UPGRADE_REQUIRED(426, "Upgrade Required"),
/**
* {@code 428 Precondition Required}.
* @see <a href="http://tools.ietf.org/html/rfc6585#section-3">Additional HTTP Status Codes</a>
*/
PRECONDITION_REQUIRED(428, "Precondition Required"),
/**
* {@code 429 Too Many Requests}.
* @see <a href="http://tools.ietf.org/html/rfc6585#section-4">Additional HTTP Status Codes</a>
*/
TOO_MANY_REQUESTS(429, "Too Many Requests"),
/**
* {@code 431 Request Header Fields Too Large}.
* @see <a href="http://tools.ietf.org/html/rfc6585#section-5">Additional HTTP Status Codes</a>
*/
REQUEST_HEADER_FIELDS_TOO_LARGE(431, "Request Header Fields Too Large"),
// --- 5xx Server Error ---
/**
* {@code 500 Internal Server Error}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.5.1">HTTP/1.1</a>
*/
INTERNAL_SERVER_ERROR(500, "Internal Server Error"),
/**
* {@code 501 Not Implemented}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.5.2">HTTP/1.1</a>
*/
NOT_IMPLEMENTED(501, "Not Implemented"),
/**
* {@code 502 Bad Gateway}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.5.3">HTTP/1.1</a>
*/
BAD_GATEWAY(502, "Bad Gateway"),
/**
* {@code 503 Service Unavailable}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.5.4">HTTP/1.1</a>
*/
SERVICE_UNAVAILABLE(503, "Service Unavailable"),
/**
* {@code 504 Gateway Timeout}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.5.5">HTTP/1.1</a>
*/
GATEWAY_TIMEOUT(504, "Gateway Timeout"),
/**
* {@code 505 HTTP Version Not Supported}.
* @see <a href="http://tools.ietf.org/html/rfc2616#section-10.5.6">HTTP/1.1</a>
*/
HTTP_VERSION_NOT_SUPPORTED(505, "HTTP Version not supported"),
/**
* {@code 506 Variant Also Negotiates}
* @see <a href="http://tools.ietf.org/html/rfc2295#section-8.1">Transparent Content Negotiation</a>
*/
VARIANT_ALSO_NEGOTIATES(506, "Variant Also Negotiates"),
/**
* {@code 507 Insufficient Storage}
* @see <a href="http://tools.ietf.org/html/rfc4918#section-11.5">WebDAV</a>
*/
INSUFFICIENT_STORAGE(507, "Insufficient Storage"),
/**
* {@code 508 Loop Detected}
* @see <a href="http://tools.ietf.org/html/rfc5842#section-7.2">WebDAV Binding Extensions</a>
*/
LOOP_DETECTED(508, "Loop Detected"),
/**
* {@code 509 Bandwidth Limit Exceeded}
*/
BANDWIDTH_LIMIT_EXCEEDED(509, "Bandwidth Limit Exceeded"),
/**
* {@code 510 Not Extended}
* @see <a href="http://tools.ietf.org/html/rfc2774#section-7">HTTP Extension Framework</a>
*/
NOT_EXTENDED(510, "Not Extended"),
/**
* {@code 511 Network Authentication Required}.
* @see <a href="http://tools.ietf.org/html/rfc6585#section-6">Additional HTTP Status Codes</a>
*/
NETWORK_AUTHENTICATION_REQUIRED(511, "Network Authentication Required");
private final int value;
private final String reasonPhrase;
private HttpStatus(int value, String reasonPhrase) {
this.value = value;
this.reasonPhrase = reasonPhrase;
}
/**
* Return the integer value of this status code.
*/
public int value() {
return this.value;
}
/**
* Return the reason phrase of this status code.
*/
public String getReasonPhrase() {
return reasonPhrase;
}
/**
* Returns the HTTP status series of this status code.
* @see HttpStatus.Series
*/
public Series series() {
return Series.valueOf(this);
}
/**
* Return a string representation of this status code.
*/
@Override
public String toString() {
return Integer.toString(value);
}
/**
* Return the enum constant of this type with the specified numeric value.
* @param statusCode the numeric value of the enum to be returned
* @return the enum constant with the specified numeric value
* @throws IllegalArgumentException if this enum has no constant for the specified numeric value
*/
public static HttpStatus valueOf(int statusCode) {
for (HttpStatus status : values()) {
if (status.value == statusCode) {
return status;
}
}
throw new IllegalArgumentException("No matching constant for [" + statusCode + "]");
}
/**
* Java 5 enumeration of HTTP status series.
* <p>Retrievable via {@link HttpStatus#series()}.
*/
public static enum Series {
INFORMATIONAL(1),
SUCCESSFUL(2),
REDIRECTION(3),
CLIENT_ERROR(4),
SERVER_ERROR(5);
private final int value;
private Series(int value) {
this.value = value;
}
/**
* Return the integer value of this status series. Ranges from 1 to 5.
*/
public int value() {
return this.value;
}
public static Series valueOf(int status) {
int seriesCode = status / 100;
for (Series series : values()) {
if (series.value == seriesCode) {
return series;
}
}
throw new IllegalArgumentException("No matching constant for [" + status + "]");
}
public static Series valueOf(HttpStatus status) {
return valueOf(status.value);
}
}
}