/*
- Copyright 2002-2017 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;
/**
- Enumeration of HTTP status codes. 
- <p>The HTTP status code series can be retrieved via {@link #series()}. 
- @author Arjen Poutsma 
- @author Sebastien Deleuze 
- @author Brian Clozel 
- @since 3.0 
- @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 - /** - // 2xx Success - /** - // 3xx Redirection - /** - // --- 4xx Client Error --- - /** - // --- 5xx Server Error --- - /** - {@code 500 Internal Server Error}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.6.1">HTTP/1.1: Semantics and Content, section 6.6.1</a> 
 /
 INTERNAL_SERVER_ERROR(500, "Internal Server Error"),
 /*
- {@code 501 Not Implemented}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.6.2">HTTP/1.1: Semantics and Content, section 6.6.2</a> 
 /
 NOT_IMPLEMENTED(501, "Not Implemented"),
 /*
- {@code 502 Bad Gateway}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.6.3">HTTP/1.1: Semantics and Content, section 6.6.3</a> 
 /
 BAD_GATEWAY(502, "Bad Gateway"),
 /*
- {@code 503 Service Unavailable}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.6.4">HTTP/1.1: Semantics and Content, section 6.6.4</a> 
 /
 SERVICE_UNAVAILABLE(503, "Service Unavailable"),
 /*
- {@code 504 Gateway Timeout}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.6.5">HTTP/1.1: Semantics and Content, section 6.6.5</a> 
 /
 GATEWAY_TIMEOUT(504, "Gateway Timeout"),
 /*
- {@code 505 HTTP Version Not Supported}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.6.6">HTTP/1.1: Semantics and Content, section 6.6.6</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");
 - {@code 400 Bad Request}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.1">HTTP/1.1: Semantics and Content, section 6.5.1</a> 
 /
 BAD_REQUEST(400, "Bad Request"),
 /*
- {@code 401 Unauthorized}. 
- @see <a href="http://tools.ietf.org/html/rfc7235#section-3.1">HTTP/1.1: Authentication, section 3.1</a> 
 /
 UNAUTHORIZED(401, "Unauthorized"),
 /*
- {@code 402 Payment Required}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.2">HTTP/1.1: Semantics and Content, section 6.5.2</a> 
 /
 PAYMENT_REQUIRED(402, "Payment Required"),
 /*
- {@code 403 Forbidden}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.3">HTTP/1.1: Semantics and Content, section 6.5.3</a> 
 /
 FORBIDDEN(403, "Forbidden"),
 /*
- {@code 404 Not Found}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.4">HTTP/1.1: Semantics and Content, section 6.5.4</a> 
 /
 NOT_FOUND(404, "Not Found"),
 /*
- {@code 405 Method Not Allowed}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.5">HTTP/1.1: Semantics and Content, section 6.5.5</a> 
 /
 METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
 /*
- {@code 406 Not Acceptable}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.6">HTTP/1.1: Semantics and Content, section 6.5.6</a> 
 /
 NOT_ACCEPTABLE(406, "Not Acceptable"),
 /*
- {@code 407 Proxy Authentication Required}. 
- @see <a href="http://tools.ietf.org/html/rfc7235#section-3.2">HTTP/1.1: Authentication, section 3.2</a> 
 /
 PROXY_AUTHENTICATION_REQUIRED(407, "Proxy Authentication Required"),
 /*
- {@code 408 Request Timeout}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.7">HTTP/1.1: Semantics and Content, section 6.5.7</a> 
 /
 REQUEST_TIMEOUT(408, "Request Timeout"),
 /*
- {@code 409 Conflict}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.8">HTTP/1.1: Semantics and Content, section 6.5.8</a> 
 /
 CONFLICT(409, "Conflict"),
 /*
- {@code 410 Gone}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.9">HTTP/1.1: Semantics and Content, section 6.5.9</a> 
 /
 GONE(410, "Gone"),
 /*
- {@code 411 Length Required}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.10">HTTP/1.1: Semantics and Content, section 6.5.10</a> 
 /
 LENGTH_REQUIRED(411, "Length Required"),
 /*
- {@code 412 Precondition failed}. 
- @see <a href="http://tools.ietf.org/html/rfc7232#section-4.2">HTTP/1.1: Conditional Requests, section 4.2</a> 
 /
 PRECONDITION_FAILED(412, "Precondition Failed"),
 /*
- {@code 413 Payload Too Large}. 
- @since 4.1 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.11">HTTP/1.1: Semantics and Content, section 6.5.11</a> 
 /
 PAYLOAD_TOO_LARGE(413, "Payload Too Large"),
 /*
- {@code 413 Request Entity Too Large}. 
- @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.14">HTTP/1.1, section 10.4.14</a> 
- @deprecated in favor of {@link #PAYLOAD_TOO_LARGE} which will be returned from {@code HttpStatus.valueOf(413)} 
 /
 @Deprecated
 REQUEST_ENTITY_TOO_LARGE(413, "Request Entity Too Large"),
 /*
- {@code 414 URI Too Long}. 
- @since 4.1 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.12">HTTP/1.1: Semantics and Content, section 6.5.12</a> 
 /
 URI_TOO_LONG(414, "URI Too Long"),
 /*
- {@code 414 Request-URI Too Long}. 
- @see <a href="http://tools.ietf.org/html/rfc2616#section-10.4.15">HTTP/1.1, section 10.4.15</a> 
- @deprecated in favor of {@link #URI_TOO_LONG} which will be returned from {@code HttpStatus.valueOf(414)} 
 /
 @Deprecated
 REQUEST_URI_TOO_LONG(414, "Request-URI Too Long"),
 /*
- {@code 415 Unsupported Media Type}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.13">HTTP/1.1: Semantics and Content, section 6.5.13</a> 
 /
 UNSUPPORTED_MEDIA_TYPE(415, "Unsupported Media Type"),
 /*
- {@code 416 Requested Range Not Satisfiable}. 
- @see <a href="http://tools.ietf.org/html/rfc7233#section-4.4">HTTP/1.1: Range Requests, section 4.4</a> 
 /
 REQUESTED_RANGE_NOT_SATISFIABLE(416, "Requested range not satisfiable"),
 /*
- {@code 417 Expectation Failed}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.5.14">HTTP/1.1: Semantics and Content, section 6.5.14</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"),
 /*
- {@code 451 Unavailable For Legal Reasons}. 
- @see <a href="https://tools.ietf.org/html/draft-ietf-httpbis-legally-restricted-status-04"> 
- An HTTP Status Code to Report Legal Obstacles</a> 
- @since 4.3 
 */
 UNAVAILABLE_FOR_LEGAL_REASONS(451, "Unavailable For Legal Reasons"),
 - {@code 300 Multiple Choices}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.4.1">HTTP/1.1: Semantics and Content, section 6.4.1</a> 
 /
 MULTIPLE_CHOICES(300, "Multiple Choices"),
 /*
- {@code 301 Moved Permanently}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.4.2">HTTP/1.1: Semantics and Content, section 6.4.2</a> 
 /
 MOVED_PERMANENTLY(301, "Moved Permanently"),
 /*
- {@code 302 Found}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.4.3">HTTP/1.1: Semantics and Content, section 6.4.3</a> 
 /
 FOUND(302, "Found"),
 /*
- {@code 302 Moved Temporarily}. 
- @see <a href="http://tools.ietf.org/html/rfc1945#section-9.3">HTTP/1.0, section 9.3</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/rfc7231#section-6.4.4">HTTP/1.1: Semantics and Content, section 6.4.4</a> 
 /
 SEE_OTHER(303, "See Other"),
 /*
- {@code 304 Not Modified}. 
- @see <a href="http://tools.ietf.org/html/rfc7232#section-4.1">HTTP/1.1: Conditional Requests, section 4.1</a> 
 /
 NOT_MODIFIED(304, "Not Modified"),
 /*
- {@code 305 Use Proxy}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.4.5">HTTP/1.1: Semantics and Content, section 6.4.5</a> 
- @deprecated due to security concerns regarding in-band configuration of a proxy 
 /
 @Deprecated
 USE_PROXY(305, "Use Proxy"),
 /*
- {@code 307 Temporary Redirect}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.4.7">HTTP/1.1: Semantics and Content, section 6.4.7</a> 
 /
 TEMPORARY_REDIRECT(307, "Temporary Redirect"),
 /*
- {@code 308 Permanent Redirect}. 
- @see <a href="http://tools.ietf.org/html/rfc7238">RFC 7238</a> 
 */
 PERMANENT_REDIRECT(308, "Permanent Redirect"),
 - {@code 200 OK}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.3.1">HTTP/1.1: Semantics and Content, section 6.3.1</a> 
 /
 OK(200, "OK"),
 /*
- {@code 201 Created}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.3.2">HTTP/1.1: Semantics and Content, section 6.3.2</a> 
 /
 CREATED(201, "Created"),
 /*
- {@code 202 Accepted}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.3.3">HTTP/1.1: Semantics and Content, section 6.3.3</a> 
 /
 ACCEPTED(202, "Accepted"),
 /*
- {@code 203 Non-Authoritative Information}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.3.4">HTTP/1.1: Semantics and Content, section 6.3.4</a> 
 /
 NON_AUTHORITATIVE_INFORMATION(203, "Non-Authoritative Information"),
 /*
- {@code 204 No Content}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.3.5">HTTP/1.1: Semantics and Content, section 6.3.5</a> 
 /
 NO_CONTENT(204, "No Content"),
 /*
- {@code 205 Reset Content}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.3.6">HTTP/1.1: Semantics and Content, section 6.3.6</a> 
 /
 RESET_CONTENT(205, "Reset Content"),
 /*
- {@code 206 Partial Content}. 
- @see <a href="http://tools.ietf.org/html/rfc7233#section-4.1">HTTP/1.1: Range Requests, section 4.1</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"),
 - {@code 100 Continue}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.2.1">HTTP/1.1: Semantics and Content, section 6.2.1</a> 
 /
 CONTINUE(100, "Continue"),
 /*
- {@code 101 Switching Protocols}. 
- @see <a href="http://tools.ietf.org/html/rfc7231#section-6.2.2">HTTP/1.1: Semantics and Content, section 6.2.2</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"),
 
private final int value;private final String reasonPhrase;
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 this.reasonPhrase;
}/**
 * Whether this status code is in the HTTP series
 * {@link org.springframework.http.HttpStatus.Series#INFORMATIONAL}.
 * This is a shortcut for checking the value of {@link #series()}.
 */public boolean is1xxInformational() {    return Series.INFORMATIONAL.equals(series());
}/**
 * Whether this status code is in the HTTP series
 * {@link org.springframework.http.HttpStatus.Series#SUCCESSFUL}.
 * This is a shortcut for checking the value of {@link #series()}.
 */public boolean is2xxSuccessful() {    return Series.SUCCESSFUL.equals(series());
}/**
 * Whether this status code is in the HTTP series
 * {@link org.springframework.http.HttpStatus.Series#REDIRECTION}.
 * This is a shortcut for checking the value of {@link #series()}.
 */public boolean is3xxRedirection() {    return Series.REDIRECTION.equals(series());
}/**
 * Whether this status code is in the HTTP series
 * {@link org.springframework.http.HttpStatus.Series#CLIENT_ERROR}.
 * This is a shortcut for checking the value of {@link #series()}.
 */public boolean is4xxClientError() {    return Series.CLIENT_ERROR.equals(series());
}/**
 * Whether this status code is in the HTTP series
 * {@link org.springframework.http.HttpStatus.Series#SERVER_ERROR}.
 * This is a shortcut for checking the value of {@link #series()}.
 */public boolean is5xxServerError() {    return Series.SERVER_ERROR.equals(series());
}/**
 * 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.
 */@Overridepublic String toString() {    return Integer.toString(this.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 + "]");
}/**
 * Enumeration of HTTP status series.
 * <p>Retrievable via {@link HttpStatus#series()}.
 */public enum Series {
    INFORMATIONAL(1),
    SUCCESSFUL(2),
    REDIRECTION(3),
    CLIENT_ERROR(4),
    SERVER_ERROR(5);    private final int value;
    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);
    }
}}
作者:芥末无疆sss
链接:https://www.jianshu.com/p/3acf2951ddc7
來源:简书
简书著作权归作者所有,任何形式的转载都请联系作者获得授权并注明出处。
共同学习,写下你的评论
评论加载中...
作者其他优质文章
 
                 
             
			 
					 
					