func NewSignerWithCredential()

in sdk/auth/signer.go [40:83]

• 44 lines of code
• 10 McCabe index (conditional complexity)

func NewSignerWithCredential(credential Credential, commonApi func(request *requests.CommonRequest, signer interface{}) (response *responses.CommonResponse, err error)) (signer Signer, err error) {
	switch instance := credential.(type) {
	case *credentials.AccessKeyCredential:
		{
			signer = signers.NewAccessKeySigner(instance)
		}
	case *credentials.StsTokenCredential:
		{
			signer = signers.NewStsTokenSigner(instance)
		}
	case *credentials.BearerTokenCredential:
		{
			signer = signers.NewBearerTokenSigner(instance)
		}
	case *credentials.RamRoleArnCredential:
		{
			signer, err = signers.NewRamRoleArnSigner(instance, commonApi)
		}
	case *credentials.RsaKeyPairCredential:
		{
			signer, err = signers.NewSignerKeyPair(instance, commonApi)
		}
	case *credentials.EcsRamRoleCredential:
		{
			signer = signers.NewEcsRamRoleSigner(instance, commonApi)
		}
	case *credentials.BaseCredential: // deprecated user interface
		{
			signer = signers.NewAccessKeySigner(instance.ToAccessKeyCredential())
		}
	case *credentials.StsRoleArnCredential: // deprecated user interface
		{
			signer, err = signers.NewRamRoleArnSigner(instance.ToRamRoleArnCredential(), commonApi)
		}
	case *credentials.StsRoleNameOnEcsCredential: // deprecated user interface
		{
			signer = signers.NewEcsRamRoleSigner(instance.ToEcsRamRoleCredential(), commonApi)
		}
	default:
		message := fmt.Sprintf(errors.UnsupportedCredentialErrorMessage, reflect.TypeOf(credential))
		err = errors.NewClientError(errors.UnsupportedCredentialErrorCode, message, nil)
	}
	return
}