76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
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package document
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import (
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"fmt"
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"reflect"
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)
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// UnmarshalTypeError is an error type representing aa error
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// unmarshalling a Smithy document to a Go value type. This is different
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// from UnmarshalError in that it does not wrap an underlying error type.
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type UnmarshalTypeError struct {
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Value string
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Type reflect.Type
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}
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// Error returns the string representation of the error.
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// satisfying the error interface
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func (e *UnmarshalTypeError) Error() string {
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return fmt.Sprintf("unmarshal failed, cannot unmarshal %s into Go value type %s",
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e.Value, e.Type.String())
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}
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// An InvalidUnmarshalError is an error type representing an invalid type
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// encountered while unmarshalling a Smithy document to a Go value type.
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type InvalidUnmarshalError struct {
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Type reflect.Type
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}
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// Error returns the string representation of the error.
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// satisfying the error interface
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func (e *InvalidUnmarshalError) Error() string {
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var msg string
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if e.Type == nil {
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msg = "cannot unmarshal to nil value"
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} else if e.Type.Kind() != reflect.Ptr {
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msg = fmt.Sprintf("cannot unmarshal to non-pointer value, got %s", e.Type.String())
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} else {
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msg = fmt.Sprintf("cannot unmarshal to nil value, %s", e.Type.String())
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}
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return fmt.Sprintf("unmarshal failed, %s", msg)
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}
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// An UnmarshalError wraps an error that occurred while unmarshalling a
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// Smithy document into a Go type. This is different from
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// UnmarshalTypeError in that it wraps the underlying error that occurred.
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type UnmarshalError struct {
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Err error
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Value string
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Type reflect.Type
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}
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// Unwrap returns the underlying unmarshalling error
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func (e *UnmarshalError) Unwrap() error {
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return e.Err
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}
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// Error returns the string representation of the error satisfying the error
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// interface.
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func (e *UnmarshalError) Error() string {
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return fmt.Sprintf("unmarshal failed, cannot unmarshal %q into %s, %v",
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e.Value, e.Type.String(), e.Err)
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}
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// An InvalidMarshalError is an error type representing an error
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// occurring when marshaling a Go value type.
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type InvalidMarshalError struct {
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Message string
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}
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// Error returns the string representation of the error.
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// satisfying the error interface
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func (e *InvalidMarshalError) Error() string {
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return fmt.Sprintf("marshal failed, %s", e.Message)
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}
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