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wp-opentofu/vendor/github.com/aws/aws-sdk-go/aws/awserr/error.go
2016-10-08 22:47:01 +05:30

146 lines
4.7 KiB
Go

// Package awserr represents API error interface accessors for the SDK.
package awserr
// An Error wraps lower level errors with code, message and an original error.
// The underlying concrete error type may also satisfy other interfaces which
// can be to used to obtain more specific information about the error.
//
// Calling Error() or String() will always include the full information about
// an error based on its underlying type.
//
// Example:
//
// output, err := s3manage.Upload(svc, input, opts)
// if err != nil {
// if awsErr, ok := err.(awserr.Error); ok {
// // Get error details
// log.Println("Error:", awsErr.Code(), awsErr.Message())
//
// // Prints out full error message, including original error if there was one.
// log.Println("Error:", awsErr.Error())
//
// // Get original error
// if origErr := awsErr.OrigErr(); origErr != nil {
// // operate on original error.
// }
// } else {
// fmt.Println(err.Error())
// }
// }
//
type Error interface {
// Satisfy the generic error interface.
error
// Returns the short phrase depicting the classification of the error.
Code() string
// Returns the error details message.
Message() string
// Returns the original error if one was set. Nil is returned if not set.
OrigErr() error
}
// BatchError is a batch of errors which also wraps lower level errors with
// code, message, and original errors. Calling Error() will include all errors
// that occurred in the batch.
//
// Deprecated: Replaced with BatchedErrors. Only defined for backwards
// compatibility.
type BatchError interface {
// Satisfy the generic error interface.
error
// Returns the short phrase depicting the classification of the error.
Code() string
// Returns the error details message.
Message() string
// Returns the original error if one was set. Nil is returned if not set.
OrigErrs() []error
}
// BatchedErrors is a batch of errors which also wraps lower level errors with
// code, message, and original errors. Calling Error() will include all errors
// that occurred in the batch.
//
// Replaces BatchError
type BatchedErrors interface {
// Satisfy the base Error interface.
Error
// Returns the original error if one was set. Nil is returned if not set.
OrigErrs() []error
}
// New returns an Error object described by the code, message, and origErr.
//
// If origErr satisfies the Error interface it will not be wrapped within a new
// Error object and will instead be returned.
func New(code, message string, origErr error) Error {
var errs []error
if origErr != nil {
errs = append(errs, origErr)
}
return newBaseError(code, message, errs)
}
// NewBatchError returns an BatchedErrors with a collection of errors as an
// array of errors.
func NewBatchError(code, message string, errs []error) BatchedErrors {
return newBaseError(code, message, errs)
}
// A RequestFailure is an interface to extract request failure information from
// an Error such as the request ID of the failed request returned by a service.
// RequestFailures may not always have a requestID value if the request failed
// prior to reaching the service such as a connection error.
//
// Example:
//
// output, err := s3manage.Upload(svc, input, opts)
// if err != nil {
// if reqerr, ok := err.(RequestFailure); ok {
// log.Println("Request failed", reqerr.Code(), reqerr.Message(), reqerr.RequestID())
// } else {
// log.Println("Error:", err.Error())
// }
// }
//
// Combined with awserr.Error:
//
// output, err := s3manage.Upload(svc, input, opts)
// if err != nil {
// if awsErr, ok := err.(awserr.Error); ok {
// // Generic AWS Error with Code, Message, and original error (if any)
// fmt.Println(awsErr.Code(), awsErr.Message(), awsErr.OrigErr())
//
// if reqErr, ok := err.(awserr.RequestFailure); ok {
// // A service error occurred
// fmt.Println(reqErr.StatusCode(), reqErr.RequestID())
// }
// } else {
// fmt.Println(err.Error())
// }
// }
//
type RequestFailure interface {
Error
// The status code of the HTTP response.
StatusCode() int
// The request ID returned by the service for a request failure. This will
// be empty if no request ID is available such as the request failed due
// to a connection error.
RequestID() string
}
// NewRequestFailure returns a new request error wrapper for the given Error
// provided.
func NewRequestFailure(err Error, statusCode int, reqID string) RequestFailure {
return newRequestError(err, statusCode, reqID)
}