dip/vendor/github.com/labstack/echo/v4/json.go
Paul Lecuq fa74f7ad4c
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updated dependencies
2024-04-28 13:08:41 +02:00

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Go

// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: © 2015 LabStack LLC and Echo contributors
package echo
import (
"encoding/json"
"fmt"
"net/http"
)
// DefaultJSONSerializer implements JSON encoding using encoding/json.
type DefaultJSONSerializer struct{}
// Serialize converts an interface into a json and writes it to the response.
// You can optionally use the indent parameter to produce pretty JSONs.
func (d DefaultJSONSerializer) Serialize(c Context, i interface{}, indent string) error {
enc := json.NewEncoder(c.Response())
if indent != "" {
enc.SetIndent("", indent)
}
return enc.Encode(i)
}
// Deserialize reads a JSON from a request body and converts it into an interface.
func (d DefaultJSONSerializer) Deserialize(c Context, i interface{}) error {
err := json.NewDecoder(c.Request().Body).Decode(i)
if ute, ok := err.(*json.UnmarshalTypeError); ok {
return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unmarshal type error: expected=%v, got=%v, field=%v, offset=%v", ute.Type, ute.Value, ute.Field, ute.Offset)).SetInternal(err)
} else if se, ok := err.(*json.SyntaxError); ok {
return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Syntax error: offset=%v, error=%v", se.Offset, se.Error())).SetInternal(err)
}
return err
}