errhttp.Return()

return.go

@@ -0,0 +1,100 @@
+package errhttp
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// Return returns the appropriate error based on the status code.
+func Return(statusCode int) error {
+
+	switch statusCode {
+
+	case   http.StatusBadRequest:                      // 400
+		return ErrBadRequest
+	case   http.StatusUnauthorized:                    // 401
+		return ErrUnauthorized
+	case   http.StatusPaymentRequired:                 // 402
+		return ErrPaymentRequired
+	case   http.StatusForbidden:                       // 403
+		return ErrForbidden
+	case   http.StatusNotFound:                        // 404
+		return ErrNotFound
+	case   http.StatusMethodNotAllowed:                // 405
+		return ErrMethodNotAllowed
+	case   http.StatusNotAcceptable:                   // 406
+		return ErrNotAcceptable
+	case   http.StatusProxyAuthRequired:               // 407
+		return ErrProxyAuthRequired
+	case   http.StatusRequestTimeout:                  // 408
+		return ErrRequestTimeout
+	case   http.StatusConflict:                        // 409
+		return ErrConflict
+	case   http.StatusGone:                            // 410
+		return ErrGone
+	case   http.StatusLengthRequired:                  // 411
+		return ErrLengthRequired
+	case   http.StatusPreconditionFailed:              // 412
+		return ErrPreconditionFailed
+	case   http.StatusRequestEntityTooLarge:           // 413
+		return ErrRequestEntityTooLarge
+	case   http.StatusRequestURITooLong:               // 414
+		return ErrRequestURITooLong
+	case   http.StatusUnsupportedMediaType:            // 415
+		return ErrUnsupportedMediaType
+	case   http.StatusRequestedRangeNotSatisfiable:    // 416
+		return ErrRequestedRangeNotSatisfiable
+	case   http.StatusExpectationFailed:               // 417
+		return ErrExpectationFailed
+	case   http.StatusTeapot:                          // 418
+		return ErrTeapot
+	case   http.StatusMisdirectedRequest:              // 421
+		return ErrMisdirectedRequest
+	case   http.StatusUnprocessableEntity:             // 422
+		return ErrUnprocessableEntity
+	case   http.StatusLocked:                          // 423
+		return ErrLocked
+	case   http.StatusFailedDependency:                // 424
+		return ErrFailedDependency
+	case   http.StatusTooEarly:                        // 425
+		return ErrTooEarly
+	case   http.StatusUpgradeRequired:                 // 426
+		return ErrUpgradeRequired
+	case   http.StatusPreconditionRequired:            // 428
+		return ErrPreconditionRequired
+	case   http.StatusTooManyRequests:                 // 429
+		return ErrTooManyRequests
+	case   http.StatusRequestHeaderFieldsTooLarge:     // 431
+		return ErrRequestHeaderFieldsTooLarge
+	case   http.StatusUnavailableForLegalReasons:      // 451
+		return ErrUnavailableForLegalReasons
+
+
+	case   http.StatusInternalServerError:                // 500
+		return ErrInternalServerError
+	case   http.StatusNotImplemented:                     // 501
+		return ErrNotImplemented
+	case   http.StatusBadGateway:                         // 502
+		return ErrBadGateway
+	case   http.StatusServiceUnavailable:                 // 503
+		return ErrServiceUnavailable
+	case   http.StatusGatewayTimeout:                     // 504
+		return ErrGatewayTimeout
+	case   http.StatusHTTPVersionNotSupported:            // 505
+		return ErrHTTPVersionNotSupported
+	case   http.StatusVariantAlsoNegotiates:              // 506
+		return ErrVariantAlsoNegotiates
+	case   http.StatusInsufficientStorage:                // 507
+		return ErrInsufficientStorage
+	case   http.StatusLoopDetected:                       // 508
+		return ErrLoopDetected
+	case   http.StatusNotExtended:                        // 510
+		return ErrNotExtended
+	case   http.StatusNetworkAuthenticationRequired:      // 511
+		return ErrNetworkAuthenticationRequired
+
+
+	default:
+		return fmt.Errorf("errhttp: unknown HTTP error — status-code %d", statusCode)
+	}
+}