Java-Class-E：org.springframework.http.HttpStatus
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/*
* 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; import org.springframework.lang.Nullable; /**
* 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 /**
* {@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"), // 2xx Success /**
* {@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"), // 3xx Redirection /**
* {@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"), // --- 4xx Client Error --- /**
* {@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"), // --- 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"); 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());
} /**
* Whether this status code is in the HTTP series
* {@link org.springframework.http.HttpStatus.Series#CLIENT_ERROR} or
* {@link org.springframework.http.HttpStatus.Series#SERVER_ERROR}.
* This is a shortcut for checking the value of {@link #series()}.
*/
public boolean isError() {
return is4xxClientError() || is5xxServerError();
} /**
* 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(this.value) + " " + name();
} /**
* 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) {
HttpStatus status = resolve(statusCode);
if (status == null) {
throw new IllegalArgumentException("No matching constant for [" + statusCode + "]");
}
return status;
} /**
* Resolve the given status code to an {@code HttpStatus}, if possible.
* @param statusCode the HTTP status code (potentially non-standard)
* @return the corresponding {@code HttpStatus}, or {@code null} if not found
* @since 5.0
*/
@Nullable
public static HttpStatus resolve(int statusCode) {
for (HttpStatus status : values()) {
if (status.value == statusCode) {
return status;
}
}
return null;
} /**
* 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);
}
} }
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作者：ylbtech 出处：http://ylbtech.cnblogs.com/ 本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。 |
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