/
common.go
62 lines (56 loc) · 1.09 KB
/
common.go
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package config
import (
"errors"
"fmt"
"github.com/xeipuuv/gojsonschema"
"gopkg.in/sensorbee/sensorbee.v0/data"
"strings"
)
func getWithDefault(m data.Map, path string, def data.Value) data.Value {
p, err := data.CompilePath(path)
if err != nil {
return def
}
v, err := m.Get(p)
if err != nil {
return def
}
return v
}
func mustAsString(v data.Value) string {
s, err := data.AsString(v)
if err != nil {
panic(err)
}
return s
}
func mustAsMap(v data.Value) data.Map {
m, err := data.AsMap(v)
if err != nil {
panic(err)
}
return m
}
func mustToBool(v data.Value) bool {
b, err := data.ToBool(v)
if err != nil {
panic(err)
}
return b
}
func validate(schema *gojsonschema.Schema, m data.Map) error {
// GoLoader marshal and unmarshal the map.
res, err := schema.Validate(gojsonschema.NewGoLoader(m))
if err != nil {
return err
}
if !res.Valid() {
// TODO: provide better format
var errs []string
for _, e := range res.Errors() {
errs = append(errs, fmt.Sprintf("- %s", e))
}
return errors.New("validation errors:\n" + strings.Join(errs, "\n"))
}
return nil
}