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// Package restjson provides RESTful JSON serialization of AWS
// requests and responses.
package restjson
//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/input/rest-json.json build_test.go
//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/output/rest-json.json unmarshal_test.go
import (
"encoding/json"
"io"
"strings"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/protocol/jsonrpc"
"github.com/aws/aws-sdk-go/private/protocol/rest"
)
// BuildHandler is a named request handler for building restjson protocol requests
var BuildHandler = request.NamedHandler{Name: "awssdk.restjson.Build", Fn: Build}
// UnmarshalHandler is a named request handler for unmarshaling restjson protocol requests
var UnmarshalHandler = request.NamedHandler{Name: "awssdk.restjson.Unmarshal", Fn: Unmarshal}
// UnmarshalMetaHandler is a named request handler for unmarshaling restjson protocol request metadata
var UnmarshalMetaHandler = request.NamedHandler{Name: "awssdk.restjson.UnmarshalMeta", Fn: UnmarshalMeta}
// UnmarshalErrorHandler is a named request handler for unmarshaling restjson protocol request errors
var UnmarshalErrorHandler = request.NamedHandler{Name: "awssdk.restjson.UnmarshalError", Fn: UnmarshalError}
// Build builds a request for the REST JSON protocol.
func Build(r *request.Request) {
rest.Build(r)
if t := rest.PayloadType(r.Params); t == "structure" || t == "" {
jsonrpc.Build(r)
}
}
// Unmarshal unmarshals a response body for the REST JSON protocol.
func Unmarshal(r *request.Request) {
if t := rest.PayloadType(r.Data); t == "structure" || t == "" {
jsonrpc.Unmarshal(r)
} else {
rest.Unmarshal(r)
}
}
// UnmarshalMeta unmarshals response headers for the REST JSON protocol.
func UnmarshalMeta(r *request.Request) {
rest.UnmarshalMeta(r)
}
// UnmarshalError unmarshals a response error for the REST JSON protocol.
func UnmarshalError(r *request.Request) {
defer r.HTTPResponse.Body.Close()
var jsonErr jsonErrorResponse
err := json.NewDecoder(r.HTTPResponse.Body).Decode(&jsonErr)
if err == io.EOF {
r.Error = awserr.NewRequestFailure(
awserr.New("SerializationError", r.HTTPResponse.Status, nil),
r.HTTPResponse.StatusCode,
r.RequestID,
)
return
} else if err != nil {
r.Error = awserr.NewRequestFailure(
awserr.New("SerializationError", "failed decoding REST JSON error response", err),
r.HTTPResponse.StatusCode,
r.RequestID,
)
return
}
code := r.HTTPResponse.Header.Get("X-Amzn-Errortype")
if code == "" {
code = jsonErr.Code
}
code = strings.SplitN(code, ":", 2)[0]
r.Error = awserr.NewRequestFailure(
awserr.New(code, jsonErr.Message, nil),
r.HTTPResponse.StatusCode,
r.RequestID,
)
}
type jsonErrorResponse struct {
Code string `json:"code"`
Message string `json:"message"`
}
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