分享一下我封装好的转换工具类
public enum HttpErrorStateConverter {
/* 客户端错误 */
BAD_REQUEST(400, "由于包含语法错误，当前请求无法被服务器理解"),
UNAUTHORIZED(401, "请求需要用户验证"),
PAYMENT_REQUIRED(402, "非标准客户端错误状态响应码"),
FORBIDDEN(403, "您的权限不足,禁止访问"),
NOT_FOUND(404, "访问的资源不存在"),
METHOD_NOT_ALLOWED(405, "不支持的请求方法"),
NOT_ACCEPTABLE(406, "请求的资源的内容无法满足请求头中的条件"),
PROXY_AUTHENTICATION_REQUIRED(407, "客户端必须在代理服务器上进行身份验证"),
REQUEST_TIMEOUT(408, "请求超时"),
CONFLICT(409, "和被请求的资源的当前状态之间存在冲突"),
GONE(410, "被请求的资源在服务器上已经不再可用"),
LENGTH_REQUIRED(411, "没有定义 content-length 请求头"),
PRECONDITION_FAILED(412, "先决条件失败"),
PAYLOAD_TOO_LARGE(413, "请求提交的实体数据长度超出限制"),
REQUEST_ENTITY_TOO_LARGE(413, "请求提交的实体数据长度超出限制"),
URI_TOO_LONG(414, "请求的URI长度超过了服务器能够解释的长度"),
REQUEST_URI_TOO_LONG(414, "请求的URI长度超过了服务器能够解释的长度"),
UNSUPPORTED_MEDIA_TYPE(415, "不支持的请求资源"),
REQUESTED_RANGE_NOT_SATISFIABLE(416, "请求指定的所有数据范围的首字节位置超过了当前资源的长度"),
EXPECTATION_FAILED(417, "内容无法被满足"),
I_AM_A_TEAPOT(418, "本操作码是在1998年作为IETF的传统愚人节笑话, 在RFC 2324 超文本咖啡壶控制协议中定义的，并不需要在真实的HTTP服务器中定义。"),
UNPROCESSABLE_ENTITY(422, "请求格式正确，但是由于含有语义错误，无法响应"),
LOCKED(423, "当前资源被锁定"),
FAILED_DEPENDENCY(424, "由于之前的某个请求发生的错误，导致当前请求失败"),
TOO_EARLY(425, "请求事件过早"),
UPGRADE_REQUIRED(426, "协议需要升级"),
PRECONDITION_REQUIRED(428, "先决条件要求为满足"),
TOO_MANY_REQUESTS(429, "请求过多"),
REQUEST_HEADER_FIELDS_TOO_LARGE(431, "请求头字段长度太大"),
UNAVAILABLE_FOR_LEGAL_REASONS(451, "该请求因法律原因不可用"),
/* 服务端错误 */
INTERNAL_SERVER_ERROR(500, "服务器内部发生未知错误"),
NOT_IMPLEMENTED(501, "此资源正在进行处理"),
BAD_GATEWAY(502, "服务器网关错误"),
SERVICE_UNAVAILABLE(503, "该服务不可用"),
GATEWAY_TIMEOUT(504, "网关超时"),
HTTP_VERSION_NOT_SUPPORTED(505, "此 HTTP 版本不受支持"),
VARIANT_ALSO_NEGOTIATES(506, "服务器存在内部配置错误"),
INSUFFICIENT_STORAGE(507, "服务器达到带宽限制"),
LOOP_DETECTED(508, "检测到循环链接错误"),
BANDWIDTH_LIMIT_EXCEEDED(509, "超出带宽限制"),
NOT_EXTENDED(510, "获取资源所需要的策略并没有被满足"),
NETWORK_AUTHENTICATION_REQUIRED(511, "需要网络身份验证");
private static final HttpErrorStateConverter[] VALUES;
static {
VALUES = values();
}
public int statusCode;
public HttpStatus status;
public String description;
HttpErrorStateConverter(int statusCode, String description) {
this.statusCode = statusCode;
// 获取对应的 HttpStatus
this.status = HttpStatus.resolve(statusCode);
if(this.status!=null){
this.description = status.toString() + " "+ description;
}else{
this.description = description;
}
}
// 传入响应码，返回一个 HttpErrorStateConverter
public static HttpErrorStateConverter resolve(int statusCode){
for (HttpErrorStateConverter converter : VALUES) {
if (converter.statusCode == statusCode) {
return converter;
}
}
return null;
}
}
测试
class MyTest{
public static void main(String[] args) {
HttpErrorStateConverter resolve = HttpErrorStateConverter.resolve(500);
HttpErrorStateConverter resolve2 = HttpErrorStateConverter.resolve(403);
HttpErrorStateConverter resolve3 = HttpErrorStateConverter.resolve(404);
assert resolve != null;
assert resolve2 != null;
assert resolve3 != null;
System.out.println(resolve.description);
System.out.println(resolve2.description);
System.out.println(resolve3.description);
System.out.println(HttpErrorStateConverter.BAD_GATEWAY);
System.out.println(HttpErrorStateConverter.BAD_REQUEST);
System.out.println(HttpErrorStateConverter.METHOD_NOT_ALLOWED);
}
}
输出
500 INTERNAL_SERVER_ERROR 服务器内部发生未知错误
403 FORBIDDEN 您的权限不足,禁止访问
404 NOT_FOUND 访问的资源不存在
502 BAD_GATEWAY 服务器网关错误
400 BAD_REQUEST 由于包含语法错误，当前请求无法被服务器理解
405 METHOD_NOT_ALLOWED 不支持的请求方法
