HttpStatus
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# HttpStatus
public enum HttpStatus {
// 1xx Informational
CONTINUE(100, "Continue"),
SWITCHING_PROTOCOLS(101, "Switching Protocols"),
PROCESSING(102, "Processing"),
CHECKPOINT(103, "Checkpoint"),
// 2xx Success
OK(200, "OK"),
CREATED(201, "Created"),
ACCEPTED(202, "Accepted"),
NON_AUTHORITATIVE_INFORMATION(203, "Non-Authoritative Information"),
NO_CONTENT(204, "No Content"),
RESET_CONTENT(205, "Reset Content"),
PARTIAL_CONTENT(206, "Partial Content"),
MULTI_STATUS(207, "Multi-Status"),
ALREADY_REPORTED(208, "Already Reported"),
IM_USED(226, "IM Used"),
// 3xx Redirection
MULTIPLE_CHOICES(300, "Multiple Choices"),
MOVED_PERMANENTLY(301, "Moved Permanently"),
FOUND(302, "Found"),
/** @deprecated */
@Deprecated
MOVED_TEMPORARILY(302, "Moved Temporarily"),
SEE_OTHER(303, "See Other"),
NOT_MODIFIED(304, "Not Modified"),
/** @deprecated */
@Deprecated
USE_PROXY(305, "Use Proxy"),
TEMPORARY_REDIRECT(307, "Temporary Redirect"),
PERMANENT_REDIRECT(308, "Permanent Redirect"),
// 4xx Client Error
BAD_REQUEST(400, "Bad Request"),
UNAUTHORIZED(401, "Unauthorized"),
PAYMENT_REQUIRED(402, "Payment Required"),
FORBIDDEN(403, "Forbidden"),
NOT_FOUND(404, "Not Found"),
METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
NOT_ACCEPTABLE(406, "Not Acceptable"),
PROXY_AUTHENTICATION_REQUIRED(407, "Proxy Authentication Required"),
REQUEST_TIMEOUT(408, "Request Timeout"),
CONFLICT(409, "Conflict"),
GONE(410, "Gone"),
LENGTH_REQUIRED(411, "Length Required"),
PRECONDITION_FAILED(412, "Precondition Failed"),
PAYLOAD_TOO_LARGE(413, "Payload Too Large"),
/** @deprecated */
@Deprecated
REQUEST_ENTITY_TOO_LARGE(413, "Request Entity Too Large"),
URI_TOO_LONG(414, "URI Too Long"),
/** @deprecated */
@Deprecated
REQUEST_URI_TOO_LONG(414, "Request-URI Too Long"),
UNSUPPORTED_MEDIA_TYPE(415, "Unsupported Media Type"),
REQUESTED_RANGE_NOT_SATISFIABLE(416, "Requested range not satisfiable"),
EXPECTATION_FAILED(417, "Expectation Failed"),
I_AM_A_TEAPOT(418, "I'm a teapot"),
/** @deprecated */
@Deprecated
INSUFFICIENT_SPACE_ON_RESOURCE(419, "Insufficient Space On Resource"),
/** @deprecated */
@Deprecated
METHOD_FAILURE(420, "Method Failure"),
/** @deprecated */
@Deprecated
DESTINATION_LOCKED(421, "Destination Locked"),
UNPROCESSABLE_ENTITY(422, "Unprocessable Entity"),
LOCKED(423, "Locked"),
FAILED_DEPENDENCY(424, "Failed Dependency"),
TOO_EARLY(425, "Too Early"),
UPGRADE_REQUIRED(426, "Upgrade Required"),
PRECONDITION_REQUIRED(428, "Precondition Required"),
TOO_MANY_REQUESTS(429, "Too Many Requests"),
REQUEST_HEADER_FIELDS_TOO_LARGE(431, "Request Header Fields Too Large"),
UNAVAILABLE_FOR_LEGAL_REASONS(451, "Unavailable For Legal Reasons"),
// 5xx Server Error
INTERNAL_SERVER_ERROR(500, "Internal Server Error"),
NOT_IMPLEMENTED(501, "Not Implemented"),
BAD_GATEWAY(502, "Bad Gateway"),
SERVICE_UNAVAILABLE(503, "Service Unavailable"),
GATEWAY_TIMEOUT(504, "Gateway Timeout"),
HTTP_VERSION_NOT_SUPPORTED(505, "HTTP Version not supported"),
VARIANT_ALSO_NEGOTIATES(506, "Variant Also Negotiates"),
INSUFFICIENT_STORAGE(507, "Insufficient Storage"),
LOOP_DETECTED(508, "Loop Detected"),
BANDWIDTH_LIMIT_EXCEEDED(509, "Bandwidth Limit Exceeded"),
NOT_EXTENDED(510, "Not Extended"),
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;
}
// 获取状态码
public int value() {
return this.value;
}
// 获取原因短语
public String getReasonPhrase() {
return this.reasonPhrase;
}
// 获取状态系列
public Series series() {
return HttpStatus.Series.valueOf(this);
}
// 判断是否为1xx信息性状态
public boolean is1xxInformational() {
return this.series() == HttpStatus.Series.INFORMATIONAL;
}
// 判断是否为2xx成功状态
public boolean is2xxSuccessful() {
return this.series() == HttpStatus.Series.SUCCESSFUL;
}
// 判断是否为3xx重定向状态
public boolean is3xxRedirection() {
return this.series() == HttpStatus.Series.REDIRECTION;
}
// 判断是否为4xx客户端错误状态
public boolean is4xxClientError() {
return this.series() == HttpStatus.Series.CLIENT_ERROR;
}
// 判断是否为5xx服务器错误状态
public boolean is5xxServerError() {
return this.series() == HttpStatus.Series.SERVER_ERROR;
}
// 判断是否为错误状态
public boolean isError() {
return this.is4xxClientError() || this.is5xxServerError();
}
// 转换为字符串
public String toString() {
return this.value + " " + this.name();
}
// 根据状态码获取HttpStatus枚举
public static HttpStatus valueOf(int statusCode) {
HttpStatus status = resolve(statusCode);
if (status == null) {
throw new IllegalArgumentException("No matching constant for [" + statusCode + "]");
} else {
return status;
}
}
// 根据状态码解析HttpStatus枚举
@Nullable
public static HttpStatus resolve(int statusCode) {
HttpStatus[] var1 = values();
int var2 = var1.length;
for(int var3 = 0; var3 < var2; ++var3) {
HttpStatus status = var1[var3];
if (status.value == statusCode) {
return status;
}
}
return null;
}
// 状态系列枚举
public static enum Series {
// 1xx Informational
INFORMATIONAL(1),
// 2xx Success
SUCCESSFUL(2),
// 3xx Redirection
REDIRECTION(3),
// 4xx Client Error
CLIENT_ERROR(4),
// 5xx Server Error
SERVER_ERROR(5);
private final int value;
private Series(int value) {
this.value = value;
}
// 获取状态系列码
public int value() {
return this.value;
}
// 根据HttpStatus获取状态系列
public static Series valueOf(HttpStatus status) {
return valueOf(status.value);
}
// 根据状态码获取状态系列
public static Series valueOf(int statusCode) {
Series series = resolve(statusCode);
if (series == null) {
throw new IllegalArgumentException("No matching constant for [" + statusCode + "]");
} else {
return series;
}
}
// 根据状态码解析状态系列
@Nullable
public static Series resolve(int statusCode) {
int seriesCode = statusCode / 100;
Series[] var2 = values();
int var3 = var2.length;
for(int var4 = 0; var4 < var3; ++var4) {
Series series = var2[var4];
if (series.value == seriesCode) {
return series;
}
}
return null;
}
}
}