package connector import ( "fmt" "strconv" "strings" ) type Configuration map[string]string func (c Configuration) GetString(k string, deflt ...string) (string, error) { if ss, ok := c[k]; ok { return ss, nil } if len(deflt) > 0 { return deflt[0], nil } return "", fmt.Errorf("Missing configuration key: %s", k) } func (c Configuration) GetInt(k string, deflt ...int) (int, error) { if ss, ok := c[k]; ok { return strconv.Atoi(ss) } if len(deflt) > 0 { return deflt[0], nil } return 0, fmt.Errorf("Missing configuration key: %s", k) } func (c Configuration) GetBool(k string, deflt ...bool) (bool, error) { if ss, ok := c[k]; ok { if strings.EqualFold(ss, "true") { return true, nil } else if strings.EqualFold(ss, "false") { return false, nil } else { return false, fmt.Errorf("Invalid value: %s", ss) } } if len(deflt) > 0 { return deflt[0], nil } return false, fmt.Errorf("Missing configuration key: %s", k) } // ---- type ConfigSchema []*ConfigEntry type ConfigEntry struct { Name string Description string Default string FixedValue string Required bool IsPassword bool IsNumeric bool IsBoolean bool } var Protocols = map[string]ConfigSchema{} func Register(name string, schema ConfigSchema) { Protocols[name] = schema }