48 lines
885 B
Go
48 lines
885 B
Go
package messenger
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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)
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var ErrUnmarshal = errors.New("unmarshal error")
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type UnmarshalError struct {
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Content io.Reader
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Err error
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}
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func (u *UnmarshalError) Error() string {
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content, err := ioutil.ReadAll(u.Content)
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if err != nil {
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content = []byte("[can not read content]")
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}
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return fmt.Sprintf("can not unmarshal content: %s", string(content))
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}
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func (u *UnmarshalError) Unwrap() error {
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return u.Err
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}
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func NewUnmarshalError() *UnmarshalError {
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return &UnmarshalError{Err: ErrUnmarshal}
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}
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func (u *UnmarshalError) WithReader(content io.Reader) *UnmarshalError {
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u.Content = content
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return u
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}
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func (u *UnmarshalError) WithReaderContent(content []byte) *UnmarshalError {
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u.Content = bytes.NewReader(content)
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return u
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}
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func (u *UnmarshalError) WithErr(err error) *UnmarshalError {
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u.Err = err
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return u
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}
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