GaoreGo/cast
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Update and standardize error messages

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This commit is contained in:
Cameron Moore 2017-03-03 10:45:52 -06:00 committed by Bjørn Erik Pedersen
parent 1dfd38810f
commit 4f1683a224
1 changed files with 33 additions and 37 deletions
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70
caste.go
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@ -22,11 +22,7 @@ func ToTimeE(i interface{}) (tim time.Time, err error) {
case time.Time: case time.Time:
return v, nil return v, nil
case string: case string:
d, e := StringToDate(v) return StringToDate(v)
if e == nil {
return d, nil
}
return time.Time{}, fmt.Errorf("Could not parse Date/Time format: %v\n", e)
case int: case int:
return time.Unix(int64(v), 0), nil return time.Unix(int64(v), 0), nil
case int32: case int32:
@ -34,7 +30,7 @@ func ToTimeE(i interface{}) (tim time.Time, err error) {
case int64: case int64:
return time.Unix(v, 0), nil return time.Unix(v, 0), nil
default: default:
return time.Time{}, fmt.Errorf("Unable to Cast %#v to Time\n", i) return time.Time{}, fmt.Errorf("unable to cast %#v of type %T to Time", i, i)
} }
} }
@ -59,7 +55,7 @@ func ToDurationE(i interface{}) (d time.Duration, err error) {
} }
return return
default: default:
err = fmt.Errorf("Unable to Cast %#v to Duration\n", i) err = fmt.Errorf("unable to cast %#v of type %T to Duration", i, i)
return return
} }
} }
@ -82,7 +78,7 @@ func ToBoolE(i interface{}) (bool, error) {
case string: case string:
return strconv.ParseBool(i.(string)) return strconv.ParseBool(i.(string))
default: default:
return false, fmt.Errorf("Unable to Cast %#v to bool", i) return false, fmt.Errorf("unable to cast %#v of type %T to bool", i, i)
} }
} }
@ -110,9 +106,9 @@ func ToFloat64E(i interface{}) (float64, error) {
if err == nil { if err == nil {
return float64(v), nil return float64(v), nil
} }
return 0.0, fmt.Errorf("Unable to Cast %#v to float", i) return 0.0, fmt.Errorf("unable to cast %#v of type %T to float", i, i)
default: default:
return 0.0, fmt.Errorf("Unable to Cast %#v to float", i) return 0.0, fmt.Errorf("unable to cast %#v of type %T to float", i, i)
} }
} }
@ -136,7 +132,7 @@ func ToInt64E(i interface{}) (int64, error) {
if err == nil { if err == nil {
return v, nil return v, nil
} }
return 0, fmt.Errorf("Unable to Cast %#v to int64", i) return 0, fmt.Errorf("unable to cast %#v of type %T to int64", i, i)
case float64: case float64:
return int64(s), nil return int64(s), nil
case bool: case bool:
@ -147,7 +143,7 @@ func ToInt64E(i interface{}) (int64, error) {
case nil: case nil:
return int64(0), nil return int64(0), nil
default: default:
return int64(0), fmt.Errorf("Unable to Cast %#v to int64", i) return int64(0), fmt.Errorf("unable to cast %#v of type %T to int64", i, i)
} }
} }
@ -171,7 +167,7 @@ func ToInt32E(i interface{}) (int32, error) {
if err == nil { if err == nil {
return int32(v), nil return int32(v), nil
} }
return 0, fmt.Errorf("Unable to Cast %#v to int32", i) return 0, fmt.Errorf("unable to cast %#v of type %T to int32", i, i)
case float64: case float64:
return int32(s), nil return int32(s), nil
case bool: case bool:
@ -182,7 +178,7 @@ func ToInt32E(i interface{}) (int32, error) {
case nil: case nil:
return int32(0), nil return int32(0), nil
default: default:
return int32(0), fmt.Errorf("Unable to Cast %#v to int32", i) return int32(0), fmt.Errorf("unable to cast %#v of type %T to int32", i, i)
} }
} }
@ -206,7 +202,7 @@ func ToInt16E(i interface{}) (int16, error) {
if err == nil { if err == nil {
return int16(v), nil return int16(v), nil
} }
return 0, fmt.Errorf("Unable to Cast %#v to int16", i) return 0, fmt.Errorf("unable to cast %#v of type %T to int16", i, i)
case float64: case float64:
return int16(s), nil return int16(s), nil
case bool: case bool:
@ -217,7 +213,7 @@ func ToInt16E(i interface{}) (int16, error) {
case nil: case nil:
return int16(0), nil return int16(0), nil
default: default:
return int16(0), fmt.Errorf("Unable to Cast %#v to int16", i) return int16(0), fmt.Errorf("unable to cast %#v of type %T to int16", i, i)
} }
} }
@ -241,7 +237,7 @@ func ToInt8E(i interface{}) (int8, error) {
if err == nil { if err == nil {
return int8(v), nil return int8(v), nil
} }
return 0, fmt.Errorf("Unable to Cast %#v to int8", i) return 0, fmt.Errorf("unable to cast %#v of type %T to int8", i, i)
case float64: case float64:
return int8(s), nil return int8(s), nil
case bool: case bool:
@ -252,7 +248,7 @@ func ToInt8E(i interface{}) (int8, error) {
case nil: case nil:
return int8(0), nil return int8(0), nil
default: default:
return int8(0), fmt.Errorf("Unable to Cast %#v to int8", i) return int8(0), fmt.Errorf("unable to cast %#v of type %T to int8", i, i)
} }
} }
@ -276,7 +272,7 @@ func ToIntE(i interface{}) (int, error) {
if err == nil { if err == nil {
return int(v), nil return int(v), nil
} }
return 0, fmt.Errorf("Unable to Cast %#v to int", i) return 0, fmt.Errorf("unable to cast %#v of type %T to int", i, i)
case float64: case float64:
return int(s), nil return int(s), nil
case bool: case bool:
@ -287,7 +283,7 @@ func ToIntE(i interface{}) (int, error) {
case nil: case nil:
return 0, nil return 0, nil
default: default:
return 0, fmt.Errorf("Unable to Cast %#v to int", i) return 0, fmt.Errorf("unable to cast %#v of type %T to int", i, i)
} }
} }
@ -364,7 +360,7 @@ func ToStringE(i interface{}) (string, error) {
case error: case error:
return s.Error(), nil return s.Error(), nil
default: default:
return "", fmt.Errorf("Unable to Cast %#v to string", i) return "", fmt.Errorf("unable to cast %#v of type %T to string", i, i)
} }
} }
@ -392,7 +388,7 @@ func ToStringMapStringE(i interface{}) (map[string]string, error) {
} }
return m, nil return m, nil
default: default:
return m, fmt.Errorf("Unable to Cast %#v to map[string]string", i) return m, fmt.Errorf("unable to cast %#v of type %T to map[string]string", i, i)
} }
} }
@ -444,16 +440,16 @@ func ToStringMapStringSliceE(i interface{}) (map[string][]string, error) {
for k, val := range v { for k, val := range v {
key, err := ToStringE(k) key, err := ToStringE(k)
if err != nil { if err != nil {
return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i) return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i)
} }
value, err := ToStringSliceE(val) value, err := ToStringSliceE(val)
if err != nil { if err != nil {
return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i) return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i)
} }
m[key] = value m[key] = value
} }
default: default:
return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i) return m, fmt.Errorf("unable to cast %#v of type %T to map[string][]string", i, i)
} }
return m, nil return m, nil
} }
@ -477,7 +473,7 @@ func ToStringMapBoolE(i interface{}) (map[string]bool, error) {
case map[string]bool: case map[string]bool:
return v, nil return v, nil
default: default:
return m, fmt.Errorf("Unable to Cast %#v to map[string]bool", i) return m, fmt.Errorf("unable to cast %#v of type %T to map[string]bool", i, i)
} }
} }
@ -495,7 +491,7 @@ func ToStringMapE(i interface{}) (map[string]interface{}, error) {
case map[string]interface{}: case map[string]interface{}:
return v, nil return v, nil
default: default:
return m, fmt.Errorf("Unable to Cast %#v to map[string]interface{}", i) return m, fmt.Errorf("unable to cast %#v of type %T to map[string]interface{}", i, i)
} }
} }
@ -513,7 +509,7 @@ func ToSliceE(i interface{}) ([]interface{}, error) {
} }
return s, nil return s, nil
default: default:
return s, fmt.Errorf("Unable to Cast %#v of type %v to []interface{}", i, reflect.TypeOf(i)) return s, fmt.Errorf("unable to cast %#v of type %T to []interface{}", i, i)
} }
} }
@ -521,7 +517,7 @@ func ToSliceE(i interface{}) ([]interface{}, error) {
func ToBoolSliceE(i interface{}) ([]bool, error) { func ToBoolSliceE(i interface{}) ([]bool, error) {
if i == nil { if i == nil {
return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i) return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i)
} }
switch v := i.(type) { switch v := i.(type) {
@ -537,13 +533,13 @@ func ToBoolSliceE(i interface{}) ([]bool, error) {
for j := 0; j < s.Len(); j++ { for j := 0; j < s.Len(); j++ {
val, err := ToBoolE(s.Index(j).Interface()) val, err := ToBoolE(s.Index(j).Interface())
if err != nil { if err != nil {
return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i) return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i)
} }
a[j] = val a[j] = val
} }
return a, nil return a, nil
default: default:
return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i) return []bool{}, fmt.Errorf("unable to cast %#v of type %T to []bool", i, i)
} }
} }
@ -565,11 +561,11 @@ func ToStringSliceE(i interface{}) ([]string, error) {
case interface{}: case interface{}:
str, err := ToStringE(v) str, err := ToStringE(v)
if err != nil { if err != nil {
return a, fmt.Errorf("Unable to Cast %#v to []string", i) return a, fmt.Errorf("unable to cast %#v of type %T to []string", i, i)
} }
return []string{str}, nil return []string{str}, nil
default: default:
return a, fmt.Errorf("Unable to Cast %#v to []string", i) return a, fmt.Errorf("unable to cast %#v of type %T to []string", i, i)
} }
} }
@ -577,7 +573,7 @@ func ToStringSliceE(i interface{}) ([]string, error) {
func ToIntSliceE(i interface{}) ([]int, error) { func ToIntSliceE(i interface{}) ([]int, error) {
if i == nil { if i == nil {
return []int{}, fmt.Errorf("Unable to Cast %#v to []int", i) return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i)
} }
switch v := i.(type) { switch v := i.(type) {
@ -593,13 +589,13 @@ func ToIntSliceE(i interface{}) ([]int, error) {
for j := 0; j < s.Len(); j++ { for j := 0; j < s.Len(); j++ {
val, err := ToIntE(s.Index(j).Interface()) val, err := ToIntE(s.Index(j).Interface())
if err != nil { if err != nil {
return []int{}, fmt.Errorf("Unable to Cast %#v to []int", i) return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i)
} }
a[j] = val a[j] = val
} }
return a, nil return a, nil
default: default:
return []int{}, fmt.Errorf("Unable to Cast %#v to []int", i) return []int{}, fmt.Errorf("unable to cast %#v of type %T to []int", i, i)
} }
} }
@ -639,5 +635,5 @@ func parseDateWith(s string, dates []string) (d time.Time, e error) {
return return
} }
} }
return d, fmt.Errorf("Unable to parse date: %s", s) return d, fmt.Errorf("unable to parse date: %s", s)
} }